Tchikobava v. Albatross Express ( 2016 )


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  • Nebraska Supreme Court Online Library
    www.nebraska.gov/apps-courts-epub/
    04/01/2016 09:05 AM CDT
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    Nebraska A dvance Sheets
    293 Nebraska R eports
    TCHIKOBAVA v. ALBATROSS EXPRESS
    Cite as 
    293 Neb. 223
    A ndrei Tchikobava, appellant, v.
    A lbatross Express, LLC, appellee.
    ___ N.W.2d ___
    Filed April 1, 2016.    No. S-15-411.
    1.	 Workers’ Compensation: Appeal and Error. Pursuant to Neb. Rev.
    Stat. § 48-185 (Cum. Supp. 2014), an appellate court may modify,
    reverse, or set aside a Workers’ Compensation Court decision only when
    (1) the compensation court acted without or in excess of its powers; (2)
    the judgment, order, or award was procured by fraud; (3) there is not
    sufficient competent evidence in the record to warrant the making of the
    order, judgment, or award; or (4) the findings of fact by the compensa-
    tion court do not support the order or award.
    2.	____: ____. Determinations by a trial judge of the Workers’
    Compensation Court will not be disturbed on appeal unless they are
    contrary to law or depend on findings of fact which are clearly wrong in
    light of the evidence.
    3.	 Workers’ Compensation: Evidence: Appeal and Error. Admission of
    evidence is within the discretion of the Workers’ Compensation Court,
    whose determination in this regard will not be reversed upon appeal
    absent an abuse of discretion.
    4.	 Workers’ Compensation. Whether a plaintiff in a Nebraska workers’
    compensation case is totally disabled is a question of fact.
    5.	 Workers’ Compensation: Evidence: Appeal and Error. In testing the
    sufficiency of the evidence to support the findings of fact in a workers’
    compensation case, every controverted fact must be resolved in favor
    of the successful party and the successful party will have the benefit of
    every inference that is reasonably deducible from the evidence.
    6.	 Workers’ Compensation: Rules of Evidence: Due Process. As a
    general rule, the Nebraska Workers’ Compensation Court is not bound
    by the usual common-law or statutory rules of evidence, but its dis-
    cretion to admit evidence is subject to the limits on constitutional
    due process.
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    7.	 Trial: Evidence: Appeal and Error. In a civil case, the admission or
    exclusion of evidence is not reversible error unless it unfairly prejudiced
    a substantial right of the complaining party.
    8.	 ____: ____: ____. The exclusion of evidence is ordinarily not prejudi-
    cial where substantially similar evidence is admitted without objection.
    9.	 ____: ____: ____. Where evidence is cumulative to other evidence
    received by the court, its exclusion will not be considered prejudi-
    cial error.
    10.	 Workers’ Compensation: Stipulations: Evidence. Before an order for
    future medical benefits may be entered, there should be a stipulation
    of the parties or evidence in the record to support a determination that
    future medical treatment will be reasonably necessary to relieve the
    injured worker from the effects of the work-related injury or occupa-
    tional disease.
    11.	 Workers’ Compensation: Evidence. An award of future medical
    expenses requires explicit evidence that future medical treatment is rea-
    sonably necessary to relieve the injured worker from the effects of the
    work-related injury.
    12.	 Workers’ Compensation: Words and Phrases. Temporary disability
    is the period during which the employee is submitting to treatment, is
    convalescing, is suffering from the injury, and is unable to work because
    of the accident.
    13.	 Workers’ Compensation. Total disability exists when an injured
    employee is unable to earn wages in either the same or a similar kind
    of work he or she was trained or accustomed to perform or in any other
    kind of work which a person of the employee’s mentality and attain-
    ments could perform.
    14.	 ____. As the trier of fact, the Workers’ Compensation Court is the sole
    judge of the credibility of witnesses and the weight to be given their
    testimony.
    15.	 Workers’ Compensation: Expert Witnesses. If the nature and effect
    of a claimant’s injury are not plainly apparent, then the claimant must
    provide expert medical testimony showing a causal connection between
    the injury and the claimed disability.
    16.	 ____: ____. Although an expert witness may be necessary to establish
    the cause of a claimed injury, the Workers’ Compensation Court is not
    limited to expert testimony to determine the degree of disability but
    instead may rely on the testimony of the claimant.
    17.	 ____: ____. Although medical restrictions or impairment ratings are
    relevant to a claimant’s disability, the trial judge is not limited to expert
    testimony to determine the degree of disability but instead may rely on
    the testimony of the claimant.
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    Nebraska A dvance Sheets
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    TCHIKOBAVA v. ALBATROSS EXPRESS
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    293 Neb. 223
    Appeal from the Workers’ Compensation Court: Daniel R.
    Fridrich, Judge. Affirmed in part, and in part reversed and
    remanded with directions.
    James C. Bocott, of Law Office of James C. Bocott, P.C.,
    L.L.O., for appellant.
    Patrick B. Donahue and Dennis R. Riekenberg, of Cassem,
    Tierney, Adams, Gotch & Douglas, for appellee.
    Heavican, C.J., Wright, Connolly, Miller-Lerman, Cassel,
    and Stacy, JJ.
    Miller-Lerman, J.
    NATURE OF CASE
    On November 12, 2013, Andrei Tchikobava filed a peti-
    tion in the Nebraska Workers’ Compensation Court seeking
    temporary and permanent disability benefits for injuries he
    sustained in an accident that occurred on August 9, 2010, that
    arose out of and in the course and scope of his employment
    as a truckdriver with Albatross Express, LLC. A hearing was
    held in February 2015, and on April 1, 2015, the compensa-
    tion court awarded Tchikobava (1) temporary total disability
    benefits for the period from August 10, 2010, to and includ-
    ing December 8, 2010, and (2) permanent total disability
    benefits starting May 2, 2014, and continuing for so long as
    Tchikobava remains permanently and totally disabled. The
    compensation court did not award temporary total disability
    benefits for the period of December 9, 2010, through May 1,
    2014, and it found that Tchikobava was not entitled to future
    medical care expenses or penalties, attorney fees, or interest.
    Tchikobava appeals.
    We determine that there was no reversible error in the
    compensation court’s evidentiary ruling excluding the deposi-
    tion of Dr. Leon Reyfman and that the compensation court
    did not err when it did not award future medical expenses.
    These rulings are affirmed. However, we reverse the denial
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    of temporary total disability benefits for the period from
    December 9, 2010, through May 1, 2014, and remand this
    cause to the compensation court to again rule on this issue
    based on the existing record and to provide an explanation
    which forms the basis for its ruling.
    STATEMENT OF FACTS
    The parties in this case do not dispute that Tchikobava was
    employed by Albatross Express as a truckdriver and that on
    August 9, 2010, Tchikobava sustained injuries in an accident
    arising out of and in the course and scope of his employment.
    On that day, Tchikobava and his team driver were driving a
    semi-trailer truck from New Jersey to California. They had
    stopped in Chicago, where the team driver began driving and
    Tchikobava entered the sleeper berth and fell asleep. While in
    Nebraska, Tchikobava was sleeping and his team driver was
    driving, when their semi-trailer truck was struck from behind
    by another semi-trailer truck. The force of the impact caused
    Tchikobava to be thrown from the sleeping area of the semi-
    trailer truck into the front of the driving compartment.
    Tchikobava was transported to a hospital in Seward,
    Nebraska. Once he was at the hospital, Tchikobava com-
    plained of chest pain in the left rib area. He testified at the
    hearing that he had pain in his back, his ribs, and the area
    around his heart and stomach. Tchikobava was diagnosed with
    left chest wall pain, left pleural effusion, and paracervical
    tenderness. The compensation court found that Tchikobava
    weighed approximately 400 pounds at the time of the acci-
    dent. Tchikobava testified he was discharged after a couple
    of hours.
    Tchikobava was taken to a hotel. After falling asleep,
    Tchikobava later awoke and was in a lot of pain. An ambu-
    lance was called and drove Tchikobava back to the hospital.
    The emergency room records from August 10, 2010, show that
    Tchikobava complained of severe leg pain and rib pain, and
    it was noted that he was having some discomfort in his chest
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    and pain with breathing. Tchikobava was prescribed medica-
    tion for the pain. A chest x ray showed a probable fracture of
    one of Tchikobava’s ribs, and a CT scan of the chest showed
    “[n]o obvious displaced rib fracture . . . .”
    Albatross Express paid for Tchikobava to fly to his home
    in New York. Tchikobava testified that it was a painful flight
    home. When Tchikobava arrived in New York on August 12,
    2010, his wife took him to a hospital there. The admitting
    diagnosis was heart attack, and admission records also show
    complaints of backache and chest pain. Three views of the
    chest showed no evidence of acute left-sided rib fractures;
    however, this was in contrast to another medical record which
    noted there was a fracture of the seventh and eighth ribs on
    the left side. X rays taken of the lower back and hip revealed
    degenerative changes. A neurology consult was also performed
    on August 12. Pain management was ordered by the con-
    sulting doctor, and Tchikobava was admitted for a possible
    heart attack.
    On August 18, 2010, Tchikobava was transferred to another
    New York hospital for a cardiac catheterization, which was neg-
    ative. During the course of his stay at the hospital, Tchikobava
    complained of bilateral leg and back pain, left-sided chest pain,
    and vertigo. The medical reports noted that Tchikobava had
    intact alertness, orientation, attention, and memory.
    While he was admitted to the second New York hospital,
    Tchikobava participated in physical therapy, but his ability to
    participate in the therapy was limited by his pain. Tchikobava
    was discharged on September 2, 2010, with a rolling walker,
    home care to be provided by social services, and medication,
    including oxycodone and antihypertensive agents.
    On October 18, 2010, Tchikobava was examined by Dr.
    Pushp R. Bhansali, an orthopedic surgeon. Dr. Bhansali
    noted that Tchikobava had continued pain in his lower back
    and his left rib cage, but he could not assess Tchikobava’s
    range of motion due to Tchikobava’s obesity. Dr. Bhansali
    ordered “EMG/NCV” testing, physiotherapy, and medications.
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    Tchikobava was instructed to return in 6 weeks, but he did
    not do so.
    On October 22, 2010, an MRI of Tchikobava’s lumbar spine
    was performed, and the MRI confirmed that Tchikobava had a
    muscle spasm, mild degenerative disk disease, and a possible
    broad-based disk herniation at L5-S1. However, the herniation
    could not be confirmed due to Tchikobava’s movement during
    the MRI.
    At some point, Tchikobava began seeing Dr. Alexander
    Berenblit, a board-certified neurologist, for treatment, and he
    continued physical therapy with Dr. Berenblit’s office through
    December 22, 2010. Dr. Berenblit ordered EMG/NCV test-
    ing, which occurred on December 8, and the test results were
    consistent with a bilateral L5-S1 radiculopathy. Dr. Berenblit
    recommended further physical therapy.
    Tchikobava testified that Dr. Berenblit retired, so he began
    seeing Dr. Reyfman, a pain management specialist. Dr. Reyfman
    first examined Tchikobava on November 22, 2010, and at that
    visit, Tchikobava stated that he had low-back pain which radi-
    ated to both legs and that the pain was made worse by move-
    ment. Dr. Reyfman reviewed the MRI from October 22 and
    the EMG/NCV test results, and he diagnosed Tchikobava with
    lumbar disk displacement, lumbosacral neuritis radiculopathy,
    a sprain of the ribs, and a fracture of one rib. Dr. Reyfman rec-
    ommended that Tchikobava continue with physical therapy and
    advised him to avoid certain movements, including bending,
    lifting, or carrying anything heavy.
    With regard to causation, Dr. Reyfman stated in his report:
    “No pre-existing conditions exist that affects the causality. I
    feel that there is a direct causal relationship between the acci-
    dent described and the patient’s current injuries. The patient’s
    symptoms and clinical findings are consistent with musculo-
    skeletal injuries to the described areas.” Dr. Reyfman instructed
    Tchikobava to return in 2 to 3 weeks. The only other report
    from Dr. Reyfman contained in the record is from Tchikobava’s
    office visit approximately 31⁄2 years later, on April 30, 2014.
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    At the hearing, Tchikobava testified that he visited Dr. Reyfman
    more than twice, but only these two reports from Dr. Reyfman
    are in the record.
    Tchikobava testified that he sought treatment with his fam-
    ily doctor, Dr. Iouri Sobol, from the period between January
    2011 and April 2013, and he testified that Dr. Sobol prescribed
    him pain medication. The record does not contain any medical
    records or reports from Dr. Sobol. Furthermore, the record does
    not contain any medical reports or records regarding any treat-
    ment that Tchikobava received in 2011 or 2012.
    The only medical report regarding Tchikobava’s treatment
    in 2013 is an office note from Dr. Wayne A. Gordon, a neu-
    ropsychologist, who examined Tchikobava on August 16 and
    19, 2013. Tchikobava’s lawyer requested that Tchikobava be
    seen by Dr. Gordon. Dr. Gordon administered a series of
    tests regarding Tchikobava’s memory and coordination. Dr.
    Gordon stated that based upon the results of these tests, he
    believed Tchikobava was suffering from cognitive deficits, and
    he determined that the cognitive deficits were “secondary to
    the accident.”
    The next evidence of Tchikobava’s medical treatment in
    the record is Dr. Reyfman’s report dated April 30, 2014. Dr.
    Reyfman stated in this report that Tchikobava complained of
    low-back pain radiating out to his legs, along with numbness
    and tingling in his feet and toes. He also complained of neck
    pain radiating to his shoulders, along with a headache. Dr.
    Reyfman ordered EMG/NCV testing on the arms and legs,
    which showed evidence of a bilateral cervical radiculopathy at
    C5-C6 and bilateral mild and chronic L4-5 and L5-S1 lumbo-
    sacral radiculopathy. He also ordered another MRI of the lum-
    bar spine, which showed disk space collapse at L5-S1 leading
    to lateral recess stenosis.
    In a report dated May 2, 2014, Dr. Reyfman stated that
    Tchikobava was at maximum medical improvement. He stated
    that Tchikobava suffered permanent impairment and could
    work only in the “less than sedentary” demand category.
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    Tchikobava was instructed to return in 1 week. The record does
    not contain other medical reports from Dr. Reyfman.
    On May 28, 2014, Tchikobava visited Dr. Vadim Lerman
    and stated he had low-back pain and neck pain. Dr. Lerman
    reviewed the MRI from April 30, 2014, and he diagnosed
    Tchikobava with a lumbar radiculopathy, lumbar pain, spinal
    stenosis of the lumbar region, and a lumbar herniated disk. Dr.
    Lerman stated that he did not feel surgery was warranted, and
    he recommended that Tchikobava continue physical therapy,
    lose weight, and consider bariatric surgery.
    At the hearing, Tchikobava testified that none of the treat-
    ment he received relieved him of his pain and that physical
    therapy made his pain worse. He testified that he cannot bathe
    himself, dress himself, or go to the bathroom or get out of his
    wheelchair without assistance. He further testified that he can-
    not drive and that his wife had given up her job as a nurse’s
    aide in order to stay home and take care of him. Tchikobava
    also testified that he was informed that he cannot have surgery
    until he loses weight.
    At the request of Albatross Express, Dr. Malcolm G.
    Coblentz, a general surgeon, examined Tchikobava on August
    6, 2012. Dr. Coblentz reviewed several of Tchikobava’s medi-
    cal records, but he did not review the EMG/NCV testing
    from December 2010. Dr. Coblentz noted that his examination
    was limited by Tchikobava’s obesity and lack of cooperation.
    Dr. Coblentz stated that he found no evidence of disability,
    based on his observations and limited physical examination.
    In a report dated June 12, 2014, Dr. Coblentz agreed with
    Dr. Reyfman that Tchikobava had reached maximum medical
    improvement on May 2, 2014.
    On November 12, 2013, Tchikobava filed his petition in
    the workers’ compensation court. In his petition, Tchikobava
    alleged that as a result of the August 9, 2010, accident, he
    suffered “broken ribs; head and neck injuries, including a trau-
    matic brain injury . . . ; an exacerbated heart condition; a herni-
    ated disc at the L5-S1 level, resulting in bilateral radiculopathy;
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    and various other less serious injuries.” Tchikobava sought
    temporary and permanent disability benefits, past and future
    medical expenses, and attorney fees and penalties for nonpay-
    ment of medical expenses and indemnity.
    Albatross Express filed its answer on December 6, 2013. In
    its answer, Albatross Express generally denied the allegations
    set forth in Tchikobava’s petition. Albatross Express further
    stated that Tchikobava’s injuries and disabilities were “the
    result of the natural progression of preexisting conditions or
    arise out of independent intervening incidents entirely unre-
    lated to” Tchikobava’s employment with Albatross Express.
    A hearing was held on February 24, 2015. At the hear-
    ing, Tchikobava offered exhibit 20, which was a deposition
    of Dr. Reyfman that was taken in connection with a separate
    negligence action that Tchikobava had brought against the
    employer of the driver who Tchikobava alleged was responsi-
    ble for the accident. Albatross Express was a party in the neg-
    ligence case, evidently for subrogation interests. With respect
    to Dr. Reyfman’s deposition, Tchikobava had served notice
    of Dr. Reyfman’s deposition upon the attorney representing
    Albatross Express in the negligence case. That attorney was
    in the same office as Albatross Express’ attorney in the pres-
    ent workers’ compensation case. The attorney for Albatross
    Express in the negligence case did not attend the deposition
    of Dr. Reyfman.
    Tchikobava initially offered this deposition of Dr. Reyfman
    at the beginning of the hearing in this case, and Albatross
    Express objected to it on the bases of hearsay, foundation, and
    relevancy. The compensation court stated:
    It’s a close call here because Exhibit 20 [the deposition]
    is not signed, as I see it. If it were signed by the doctor, I
    think it could come in as a Rule 10 report.
    Given that it’s not signed, I have to consider it for what
    it is, a deposition taken in another case where [Albatross
    Express’ attorney in the compensation case] was not given
    an opportunity to cross-examine him and may constitute
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    hearsay, although the Court is not governed by the rules
    of hearsay.
    So it gets to be a little bit of a close call as to whether
    it’s going to come in or not.
    After some discussion, Tchikobava’s attorney stated he would
    withdraw the offer of the deposition, “with the opportunity to
    offer it at the close of my evidence, if I think it’s necessary
    after the cross-examination of . . . Tchikobava.”
    At the close of evidence, Tchikobava reoffered Dr.
    Reyfman’s deposition. Albatross Express again objected,
    stating: “Objection, hearsay, pursuant to Rule 27 — Section
    27-804 and particularly 27-804, subpart two, subpart A, as well
    as lack of evidence of unavailability. I think that covers it.” In
    determining to sustain Albatross Express’ objection, the com-
    pensation court stated:
    So my concern is we have this deposition that [Albatross
    Express’ attorney in the compensation case] did not attend
    in a case that is captioned in another court being offered
    as evidence against his client.
    On the other hand, the hearsay rules don’t necessarily
    apply to this court, but I have concerns of due process.
    I’m going to sustain the objection as to — as to hear-
    say. And the reasoning is I just don’t think that due proc­
    ess allows this out of court statement to be admitted to
    prove the truth of the matter asserted when [Albatross
    Express’ attorney in the compensation case] did not have
    the opportunity to cross-examine Dr. Reyfman.
    Accordingly, Dr. Reyfman’s deposition was not received into
    evidence in this case.
    Following the hearing, on April 1, 2015, the compensation
    court filed its award, in which it generally awarded Tchikobava
    temporary total disability benefits and permanent total disabil-
    ity benefits, and it denied future medical expenses, penalties,
    attorney fees, and interest. In its award, the workers’ compen-
    sation court stated that it found Tchikobava “proved he suf-
    fered lumbar disc displacement (herniated disc), lumbosacral
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    neuritis radiculopathy and a sprain of the ribs.” In making
    these findings, the court stated that it relied on Dr. Reyfman’s
    report dated November 22, 2010. The court further stated that
    it “was not convinced” that Tchikobava had suffered a neck
    injury in the accident.
    With respect to temporary total disability benefits, the court
    determined that Tchikobava was entitled to temporary total
    disability benefits from August 10, 2010, to and including
    December 8, 2010. The court stated that Dr. Reyfman imposed
    restrictions upon Tchikobava at the November 22, 2010, office
    visit and that those restrictions support Tchikobava’s claim
    for temporary total disability benefits between August 10 and
    December 8 because Tchikobava’s physical condition during
    that period was “virtually identical” to his physical condition
    when Dr. Reyfman examined him on November 22.
    The court went on to state that it
    cannot award [Tchikobava] any further [temporary total
    disability] benefits, because there is simply a lack of
    persuasive proof that [Tchikobava] was treating and recu-
    perating from his injuries and disabled after December
    8, 2010, which is the last medical record documenting
    medical treatment for his lower back until the office visit
    with Dr. Reyfman on April 30, 2014.
    The court further stated that even though Tchikobava testified
    that he saw his family doctor, Dr. Sobol, during that period, the
    record does not contain any reports or records from Dr. Sobol
    regarding the treatment Tchikobava received, Tchikobava’s
    pain or injuries that were being treated, or the success or fail-
    ure of such treatment. The court further stated that “[w]hile
    Dr. Reyfman examined [Tchikobava] on April 30, 2014, he
    placed [Tchikobava] at maximum medical improvement only
    two days later. This single exam was not sufficient to convince
    the Court [Tchikobava] had been disabled for the three years
    prior.” Accordingly, the court determined that Tchikobava
    “failed to prove he was entitled to any indemnity benefits from
    December 9, 2010 to and through May 1, 2014.”
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    With respect to permanent disability benefits, the court found
    that Tchikobava “suffered a low back injury, which is an injury
    to the body as a whole.” The court stated that Tchikobava
    offered evidence of permanent restrictions as imposed by Dr.
    Reyfman on April 30, 2014, and that this was sufficient to meet
    his burden of proof that he had been permanently impaired as
    a result of the accident on August 9, 2010.
    The court then discussed the report completed by Karen
    Stricklett, the agreed-upon vocational counselor in this case.
    The court noted that in her report, Stricklett “provided two
    opposing opinions regarding [Tchikobava’s] loss of earning
    capacity based upon the two differing medical opinions of
    Dr. Coblentz and Dr. Reyfman.” Stricklett opined that if the
    court accepted Dr. Coblentz’ opinion that Tchikobava suffered
    no impairment and no restrictions, then Tchikobava suffered
    a 0-percent loss of earning capacity. Conversely, if the court
    accepted Dr. Reyfman’s opinions, then Tchikobava suffered a
    100-percent loss of earning capacity.
    In its award, the court stated that it was ultimately per-
    suaded by Tchikobava’s testimony and the medical opinion
    of Dr. Reyfman, and therefore, given Stricklett’s report,
    the court found Tchikobava to be permanently and totally
    disabled. The court stated that Tchikobava was entitled to
    permanent total disability benefits starting on May 2, 2014,
    and continuing for so long as he remains permanently and
    totally disabled.
    With respect to future medical care, the compensation court
    noted, citing Foote v. O’Neill Packing, 
    262 Neb. 467
    , 
    632 N.W.2d 313
    (2001), that before an order for future medical
    care may be entered, there should be either a stipulation of
    the parties to that effect or evidence in the record sufficient
    to support a determination that future medical treatment will
    be reasonably necessary. The compensation court stated that
    because there was no stipulation between the parties regarding
    an award of future medical treatment, Tchikobava had the bur-
    den to prove that he was entitled to such an award.
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    The compensation court determined that Tchikobava “failed
    to meet his burden of proof for ongoing medical care for his
    rib and back injuries.” The court stated that there was “little to
    no evidence from a medical doctor” that Tchikobava required
    ongoing medical care. The court noted that Tchikobava’s last
    medical treatment was from Dr. Lerman on May 28, 2014,
    and that Dr. Lerman had stated that Tchikobava did not need
    surgery and should continue with physical therapy. However,
    the court declined to award physical therapy for Tchikobava,
    because the evidence showed that Tchikobava had not done
    physical therapy since 2010 and because Tchikobava testi-
    fied that physical therapy only made his pain worse. The
    court stated that “[t]here was simply an absence of evidence
    proving [Tchikobava] would require or need additional medi-
    cal care for his low back injury or his rib injury.” Therefore,
    given the record, the court determined that Tchikobava was
    not entitled to any future medical care to be paid for by
    Albatross Express.
    In sum, in its award filed April 1, 2015, the compensation
    court determined that Tchikobava was entitled to temporary
    total disability benefits from August 10, 2010, to and including
    December 8, 2010. The court determined that Tchikobava was
    entitled to permanent total disability benefits starting on May
    2, 2014, and continuing for so long as Tchikobava remains per-
    manently and totally disabled. The court stated that Albatross
    Express is entitled to a credit for indemnity benefits already
    paid to Tchikobava. The court also determined that Tchikobava
    was not entitled to future medical expenses to be paid for by
    Albatross Express and that Tchikobava was not entitled to an
    award of penalties, attorney fees, or interest.
    Tchikobava appeals.
    ASSIGNMENTS OF ERROR
    Tchikobava claims, restated, that the compensation court
    erred when it (1) sustained Albatross Express’ objection to the
    receipt of Dr. Reyfman’s deposition taken in a separate case,
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    (2) failed to award future medical expenses to Tchikobava, and
    (3) determined that Tchikobava was not entitled to temporary
    total disability indemnity benefits for the period of December
    9, 2010, through May 1, 2014.
    STANDARDS OF REVIEW
    [1,2] Pursuant to Neb. Rev. Stat. § 48-185 (Cum. Supp.
    2014), an appellate court may modify, reverse, or set aside
    a Workers’ Compensation Court decision only when (1) the
    compensation court acted without or in excess of its powers;
    (2) the judgment, order, or award was procured by fraud; (3)
    there is not sufficient competent evidence in the record to war-
    rant the making of the order, judgment, or award; or (4) the
    findings of fact by the compensation court do not support the
    order or award. Hynes v. Good Samaritan Hosp., 
    291 Neb. 757
    ,
    
    869 N.W.2d 78
    (2015). Determinations by a trial judge of the
    Workers’ Compensation Court will not be disturbed on appeal
    unless they are contrary to law or depend on findings of fact
    which are clearly wrong in light of the evidence. 
    Id. [3] Admission
    of evidence is within the discretion of the
    Workers’ Compensation Court, whose determination in this
    regard will not be reversed upon appeal absent an abuse of
    discretion. 
    Id. [4,5] Whether
    a plaintiff in a Nebraska workers’ compensa-
    tion case is totally disabled is a question of fact. Kim v. Gen-X
    Clothing, 
    287 Neb. 927
    , 
    845 N.W.2d 265
    (2014). In testing
    the sufficiency of the evidence to support the findings of fact
    in a workers’ compensation case, every controverted fact must
    be resolved in favor of the successful party and the successful
    party will have the benefit of every inference that is reason-
    ably deducible from the evidence. 
    Id. ANALYSIS Dr.
    Reyfman’s Deposition.
    Tchikobava generally argues that the compensation court
    erred when, at the hearing in this matter, it did not receive
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    Tchikobava’s offer of Dr. Reyfman’s deposition, which had
    been taken in connection with a separate negligence action
    that Tchikobava brought against the employer of the driver
    who Tchikobava alleged was responsible for the accident.
    Tchikobava contends that Dr. Refyman’s deposition was admis-
    sible pursuant to the Nebraska Workers’ Compensation Court
    rules of procedure, specifically Workers’ Comp. Ct. R. of Proc.
    10 (2011), regarding evidence. Tchikobava further argues for
    admissibility under Neb. Rev. Stat. §27-804(2)(a) (Reissue
    2008), which generally provides that a deposition is not
    excluded by the hearsay rule if the declarant is unavailable as a
    witness and if the deposition was taken in a different proceed-
    ing at the insistence of or against a party with an opportunity to
    develop the testimony with motive and interest similar to those
    of the party against whom it is now offered. Tchikobava argues
    that Dr. Reyfman’s deposition is not excluded by the hearsay
    rule, because Dr. Reyfman was unavailable in this case and
    because Albatross Express had received notice of the deposi-
    tion in the negligence action and therefore had the opportunity
    to cross-examine Dr. Reyfman.
    In response, Albatross Express generally argues that the
    compensation court did not err when it refused to admit Dr.
    Reyfman’s deposition, and that even if the refusal was incor-
    rect, such error was not reversible error, because there was
    nothing new or significant contained in Dr. Reyfman’s deposi-
    tion that would have changed the compensation court’s ruling.
    We determine that even if the compensation court erred when
    it refused to receive Dr. Reyfman’s deposition, such error was
    not reversible error.
    [6] Admission of evidence is within the discretion of the
    Workers’ Compensation Court, whose determination in this
    regard will not be reversed upon appeal absent an abuse of
    discretion. Hynes v. Good Samaritan Hosp., 
    291 Neb. 757
    ,
    
    869 N.W.2d 78
    (2015). We have stated that as a general rule,
    the compensation court is not bound by the usual common-
    law or statutory rules of evidence, but its discretion to admit
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    evidence is subject to the limits on constitutional due process.
    See Zwiener v. Becton Dickinson-East, 
    285 Neb. 735
    , 
    829 N.W.2d 113
    (2013).
    With respect to the admission of evidence in workers’ com-
    pensation cases, rule 10 of the Nebraska Workers’ Compensation
    Court rules of procedure provides:
    The Nebraska Workers’ Compensation Court is not
    bound by the usual common law or statutory rules of
    evidence; and accordingly, with respect to medical evi-
    dence on hearings before a judge of said court, written
    reports by a physician or surgeon duly signed by him,
    her or them . . . may, at the discretion of the court, be
    received in evidence in lieu of . . . the personal testi-
    mony of such physician or surgeon . . . . A sworn state-
    ment or deposition transcribed by a person authorized to
    take depositions is a signed, written report for purposes
    of this rule.
    A signed narrative report by a physician or surgeon . . .
    setting forth the history, diagnosis, findings and conclu-
    sions of the physician or surgeon . . . which is relevant to
    the case shall be considered evidence on which a reason-
    ably prudent person is accustomed to rely in the conduct
    of serious affairs. The Nebraska Workers’ Compensation
    Court recognizes that such narrative reports are used
    daily by the insurance industry, attorneys, physicians and
    surgeons and other practitioners, and by the court itself
    in decision making concerning injuries under the juris-
    diction of the court.
    Any party against whom the report may be used shall
    have the right, at the party’s own initial expense, of cross
    examination of the physician or surgeon . . . either by
    deposition or by arranging the appearance of the physi-
    cian or surgeon . . . at the hearing.
    Workers’ Comp. Ct. R. of Proc. 10(A).
    At the hearing before the compensation court, Tchikobava
    offered the deposition of Dr. Reyfman taken in the separate
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    negligence case. Pursuant to rule 10 and our case law, it was
    within the compensation court’s discretion whether to receive
    Dr. Reyfman’s deposition, subject to the limits on constitu-
    tional due process. For purposes of this case, we need not
    decide whether the compensation court abused its discretion
    when it denied admission of Dr. Reyfman’s deposition, because
    even if the ruling was incorrect, any such error was not revers-
    ible error.
    [7-9] In a civil case, the admission or exclusion of evidence
    is not reversible error unless it unfairly prejudiced a substan-
    tial right of the complaining party. In re Estate of Clinger, 
    292 Neb. 237
    , 
    872 N.W.2d 37
    (2015). The exclusion of evidence is
    ordinarily not prejudicial where substantially similar evidence
    is admitted without objection. Steinhausen v. HomeServices
    of Neb., 
    289 Neb. 927
    , 
    857 N.W.2d 816
    (2015). Where evi-
    dence is cumulative to other evidence received by the court,
    its exclusion will not be considered prejudicial error. Scott v.
    Khan, 
    18 Neb. Ct. App. 600
    , 
    790 N.W.2d 9
    (2010).
    In the present case, although the compensation court denied
    Tchikobava’s offer of Dr. Reyfman’s deposition, it received
    Tchikobava’s evidence of medical records from Dr. Reyfman.
    A comparison of Dr. Reyfman’s medical records to his depo-
    sition shows that other than an explanation of his qualifica-
    tions, there was nothing new or substantial in Dr. Reyfman’s
    testimony in his deposition. In the deposition, Dr. Reyfman
    explained and defined certain medical procedures and terminol-
    ogy, and he testified to Tchikobava’s injuries and restrictions,
    which information was also contained in the admitted medical
    records. Thus, evidence substantially similar to Dr. Reyfman’s
    deposition was in evidence and the exclusion of the deposi-
    tion was not prejudicial. See Steinhausen v. HomeServices of
    
    Neb., supra
    .
    Tchikobava seems to argue that Dr. Reyfman’s deposition
    would have been influential in connection with his claims
    that the compensation court erred when it did not award
    him temporary total disability benefits for the period from
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    December 2010 to May 2014 and when it did not award him
    future medical expenses. We reject this argument. Nothing
    in Dr. Reyfman’s deposition testimony meaningfully relates
    to either of these two issues. In his deposition, Dr. Reyfman
    did not discuss whether Tchikobava was disabled for the time
    period Tchikobava asserts he should have been awarded tem-
    porary total disability benefits, and Dr. Reyfman did not testify
    regarding the need for future medical care and expenses.
    Because Dr. Reyfman’s deposition did not contain informa-
    tion that would have altered the compensation court’s decision
    to reject temporary total disability benefits for the period from
    December 2010 to May 2014 and future medical expenses, the
    exclusion of Dr. Reyfman’s deposition did not unfairly preju-
    dice a substantial right of Tchikobava. Thus, even assuming
    that the compensation court erred when it did not admit Dr.
    Reyfman’s deposition into evidence, we determine that any
    such error was not reversible error.
    Future Medical Expenses.
    Tchikobava claims that the compensation court erred when it
    did not award him future medical expenses. Tchikobava asserts
    that he presented evidence that his doctors recommended that
    Tchikobava undergo bariatric surgery to help facilitate weight
    loss. He also argued that Dr. Reyfman’s records indicated
    that Tchikobava took pain medication for his injuries, and
    Tchikobava argues that “[i]t is clear that [Tchikobava] will
    require pain treatment for the remainder of his life.” Brief for
    appellant at 21. We determine that the compensation court
    did not err when it did not award future medical expenses
    to Tchikobava.
    [10,11] Before an order for future medical benefits may
    be entered, there should be a stipulation of the parties or
    evidence in the record to support a determination that future
    medical treatment will be reasonably necessary to relieve the
    injured worker from the effects of the work-related injury or
    occupational disease. Sellers v. Reefer Systems, 
    283 Neb. 760
    ,
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    811 N.W.2d 293 
    (2012). An award of future medical expenses
    requires explicit evidence that future medical treatment is rea-
    sonably necessary to relieve the injured worker from the effects
    of the work-related injury. Adams v. Cargill Meat Solutions, 
    17 Neb. Ct. App. 708
    , 
    774 N.W.2d 761
    (2009).
    In the current case, there was no stipulation between the
    parties regarding an award of future medical treatment, and
    therefore, Tchikobava was required to present evidence show-
    ing he was entitled to an award of future medical expenses.
    In its award, the compensation court noted that “[t]here is
    little to no evidence from a medical doctor that [Tchikobava]
    requires ongoing medical care.” The compensation court noted
    that Tchikobava’s last medical treatment was from Dr. Lerman
    on May 28, 2014, and in his report, Dr. Lerman stated that
    Tchikobava did not need surgery and that he should continue
    with physical therapy. The compensation court declined to
    award physical therapy for Tchikobava, stating that Tchikobava
    had not done physical therapy since 2010 and that Tchikobava
    had testified that physical therapy only made his pain worse.
    Based on the lack of evidence demonstrating that Tchikobava
    would need additional medical care for his injuries, the com-
    pensation court determined that Tchikobava was not entitled to
    any future medical expenses.
    Tchikobava asserts that Drs. Reyfman, Lerman, and Coblentz
    recommended that he undergo bariatric surgery in order to
    facilitate weight loss, and that accordingly, he should have
    been awarded future medical expenses with respect to such sur-
    gery. However, the record shows that although weight loss was
    recommended, none of the recommendations were attributed to
    Tchikobava’s compensable injury.
    Tchikobava also argues that Dr. Reyfman’s records show
    Tchikobava has been prescribed pain medication and that “[i]t
    is clear that [Tchikobava] will require pain treatment for the
    remainder of his life.” Brief for appellant at 21. We note
    that pain medication is mentioned in Dr. Reyfman’s medical
    report dated April 30, 2014, and at trial, during his testimony,
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    Tchikobava mentioned that he was taking pain medication.
    However, there is no indication in the record that Tchikobava
    would need to continue taking the medication in the future.
    In Adams v. Cargill Meat 
    Solutions, supra
    , an employee,
    who had brought a workers’ compensation action against her
    employer, presented evidence at trial that she was currently
    taking pain medication, but she did not present evidence that
    she would need to take such medication in the future. The
    Nebraska Court of Appeals determined that the employee had
    failed to present sufficient evidence to prove that future medi-
    cal treatment would be reasonably necessary to relieve the
    effects of her work-related injury, and accordingly, it reversed
    the decision of the three-judge review panel that had affirmed
    the trial court’s award of future medical expenses. In making
    its determination, the Court of Appeals stated:
    The evidence does not support the trial court’s deter-
    mination that [the employee] required further medical
    treatment for her back injury. In awarding future medical
    expenses, the trial court relied on [the employee’s] testi-
    mony that she was taking medication at the time of trial
    and notations in [the employee’s] medical records indi-
    cating her history of taking prescription pain medication.
    Evidence that [the employee] currently takes pain medi-
    cation or that she has a history of taking such medication
    is not enough to demonstrate that she requires future
    medical treatment to relieve the effects of her injury. As
    such, the trial court’s finding that [the employee] “car-
    ried her burden of proof and persuasion” as to an award
    of future medical expenses is not supported by suffi-
    cient evidence.
    The review panel affirmed the trial court’s award of
    future medical expenses after concluding that the evi-
    dence presented at trial was sufficient to support an
    “inference” that [the employee] will continue to take pain
    medication after the time of trial. Such an inference is
    simply not supported by the evidence in the record. There
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    is no evidence that [the employee] intends to continue
    to take her prescription pain medication. In fact, there is
    no indication that [the employee] finds the medication to
    be beneficial. She testified that even when she took the
    medication, she was in constant pain and she could not
    complete basic daily tasks. In addition, she testified that
    her pain had increased, rather than decreased, since the
    time of the accident.
    Simply stated, an award of future medical expenses
    requires explicit evidence that future medical treatment
    is reasonably necessary to relieve the injured worker
    from the effects of the work-related injury. Here, there
    is no evidence that [the employee] requires any future
    medical treatment or that future medical treatment would
    be in any way beneficial in relieving the effects of her
    back injury.
    Adams v. Cargill Meat Solutions, 
    17 Neb. Ct. App. 708
    , 713-14,
    
    774 N.W.2d 761
    , 765 (2009).
    We apply the analysis in Adams to the present case. In this
    case, the fact that Tchikobava was taking pain medication at
    the time of trial and had taken pain medication in the past does
    not constitute sufficient explicit evidence that he would need
    to continue taking such medication in the future or that he
    would need to be awarded future medical expenses.
    Because Tchikobava failed to present sufficient evidence to
    support a determination that future medical treatment would
    be reasonably necessary to relieve him from the effects of his
    work-related injury, we determine that the compensation court
    did not err when it did not award future medical expenses
    to Tchikobava.
    Temporary Total Disability Benefits.
    Tchikobava claims that the compensation court erred when
    it did not award him temporary total disability benefits for the
    period from December 9, 2010, through May 1, 2014. For the
    reasons explained below, we reverse this ruling and remand the
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    cause to the compensation court on the existing record with
    directions to the compensation court to rule on this issue and to
    clarify its reasoning regarding its disposition of Tchikobava’s
    claim for temporary total disability benefits for the period from
    December 9, 2010, through May 1, 2014.
    [12,13] We have stated that temporary disability is the
    period during which the employee is submitting to treatment,
    is convalescing, is suffering from the injury, and is unable to
    work because of the accident. Kim v. Gen-X Clothing, 
    287 Neb. 927
    , 
    845 N.W.2d 265
    (2014). Total disability exists when an
    injured employee is unable to earn wages in either the same
    or a similar kind of work he or she was trained or accustomed
    to perform or in any other kind of work which a person of the
    employee’s mentality and attainments could perform. 
    Id. [14] Whether
    a plaintiff in a Nebraska workers’ compensa-
    tion case is totally disabled is a question of fact. 
    Id. In testing
    the sufficiency of the evidence to support the findings of fact
    in a workers’ compensation case, every controverted fact must
    be resolved in favor of the successful party and the successful
    party will have the benefit of every inference that is reasonably
    deducible from the evidence. Zwiener v. Becton Dickinson-
    East, 
    285 Neb. 735
    , 
    829 N.W.2d 113
    (2013). Moreover, as the
    trier of fact, the Workers’ Compensation Court is the sole judge
    of the credibility of witnesses and the weight to be given their
    testimony. Hynes v. Good Samaritan Hosp., 
    291 Neb. 757
    , 
    869 N.W.2d 78
    (2015).
    [15-17] We have held that if the nature and effect of a claim-
    ant’s injury are not plainly apparent, then the claimant must
    provide expert medical testimony showing a causal connection
    between the injury and the claimed disability. Frauendorfer
    v. Lindsay Mfg. Co., 
    263 Neb. 237
    , 
    639 N.W.2d 125
    (2002).
    Although an expert witness may be necessary to establish the
    cause of a claimed injury, the Workers’ Compensation Court is
    not limited to expert testimony to determine the degree of dis-
    ability but instead may rely on the testimony of the claimant.
    
    Id. We have
    further stated that although medical restrictions
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    or impairment ratings are relevant to a claimant’s disability,
    the trial judge is not limited to expert testimony to determine
    the degree of disability but instead may rely on the testimony
    of the claimant. 
    Id. In its
    award, with respect to the period of December 9, 2010,
    to May 1, 2014, the compensation court stated:
    There is no evidence by way of medical records to
    prove [Tchikobava] was seeking medical treatment for
    his low back injury that was aiding to his recovery dur-
    ing the calendar years of 2011, 2012, 2013 or 2014.
    While [Tchikobava] testified he saw his family doctor, Dr.
    Sobol, the Court does not have one record from that doc-
    tor’s office to document what treatment [Tchikobava] was
    receiving, the nature and extent of [Tchikobava’s] pain
    or injuries for which he was treating or to document the
    success or failure of that treatment he received. Moreover,
    not one doctor limited [Tchikobava] or took [Tchikobava]
    off work in the calendar years of 2011, 2012, 2013 or
    2014. While Dr. Reyfman examined [Tchikobava] on
    April 30, 2014, he placed [Tchikobava] at maximum med-
    ical improvement only two days later. This single exam
    was not sufficient to convince the Court [Tchikobava]
    had been disabled for the three years prior. The Court
    finds [Tchikobava] failed to prove he was entitled to any
    indemnity benefits from December 9, 2010 to and through
    May 1, 2014.
    As noted by the compensation court, there are no medi-
    cal records that were received into evidence regarding the
    period from December 9, 2010, until a report by Dr. Reyfman
    dated April 30, 2014. However, Tchikobava provided evidence
    regarding the status of his injury for the period of December
    9, 2010, through May 1, 2014, by way of his testimony at the
    trial. At trial, Tchikobava testified that he regularly saw Dr.
    Sobol, who prescribed him medication, and he testified that
    because of his pain, it was difficult for him to move and he did
    not try to apply for employment.
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    It has been stated that a compensation court may refuse to
    follow uncontradicted evidence in the record,
    but when it does so, its reasons for rejecting the only
    evidence in the record should appear—e.g., that the testi-
    mony was inherently improbable, or so inconsistent as to
    be incredible, that the witness was interested, or that the
    witness’ testimony on the point at issue was impeached
    by falsity in his statements on other matters. Unless
    some explanation is furnished for the disregard of all the
    uncontradicted testimony or other evidence in the record,
    the [compensation court] may find its award reversed
    as arbitrary and unsupported. This sometimes occurs
    when the [compensation court] denies compensation on
    a record that contains nothing but testimony favorable to
    the claimant, with no indication whether all or part of the
    testimony was disbelieved, and if so, why.
    12 Arthur Larson & Lex K. Larson, Larson’s Workers’
    Compensation Law § 130.05[3] at 130-38.1 (2015). We agree
    with the commentary just quoted and apply it to this case.
    As stated, Tchikobava’s testimony is the only evidence
    contained in the record regarding the status of his injuries
    for the period from December 9, 2010, through May 1,
    2014. There is no other evidence, such as medical records,
    that affirm or contradict the testimony Tchikobava gave at
    the hearing regarding this period. The compensation court’s
    award fails to state what weight, if any, the court gave to
    Tchikobava’s testimony. It is also unclear whether the com-
    pensation court denied temporary total disability benefits for
    the period from December 9, 2010, through May 1, 2014,
    because it found Tchikobava’s testimony incredible or unreli-
    able or because the court simply disregarded Tchikobava’s
    testimony as evidence of the extent of his disability for that
    period and it had no medical records for the period at issue
    to assist it in making a ruling. Accordingly, we reverse the
    compensation court’s ruling on this issue and remand this
    cause to the compensation court on the existing record with
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    directions to again rule on Tchikobava’s claim for temporary
    total disability benefits for the period of December 9, 2010,
    through May 1, 2014, and to provide an explanation which
    forms the basis for its ruling.
    CONCLUSION
    Assuming, without deciding, that it was error for the com-
    pensation court to refuse to admit Dr. Reyfman’s deposition
    into evidence, such error was not reversible error. We deter-
    mine that the compensation court did not err when it did not
    award future medical expenses to Tchikobava. These rulings are
    affirmed. With respect to the temporary total disability issue,
    we reverse the denial of benefits and we remand the cause to
    the compensation court on the existing record with directions
    to the court to again rule on Tchikobava’s claim for temporary
    total disability benefits for the period from December 9, 2010,
    to May 1, 2014, and to provide an explanation which forms the
    basis for its ruling.
    A ffirmed in part, and in part reversed
    and remanded with directions.