outcome after total knee arthroplasty in the patients with psychologic disorder nam-hong choi, m.d....
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Outcome after Total Knee Arthroplastyin the Patients with Psychologic Disorder
Nam-Hong Choi, M.D.
Young-Eun Park, M.D.
Knee & Shoulder service
Department of Orthopedic Surgery,
Eulji Medical Center, Seoul, Korea
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Introduction
Aging society
TKA with degenerative arthritis Psychologic disorder
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• There are rare studies reporting clinical outcomes after total knee arthroplasty in the patients with psychologic disorder in KOREA.
• To evaluate how the psychologic disorder influence the clinical outcomes after total knee arthroplasty
Purpose
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Materials & Methods
• Duration : 2003. 1 ~ 2008. 5
• Patients with TKA (Nexgen LPS, Zimmer, Warsaw, IN) : 248 cases
• 19 patients, 35 knees with psychologic disorder
mean age : 68.8 years
• 46 patients, 81 knees without psychologic disorder
mean age : 67.1 years
Ⓡ
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• Postoperative evaluations
Knee society knee score
Knee society functional score
ROM
WOMAC score
Materials & Methods
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Results
P= 0.003 P= 0.009 P= 0.003
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Results
WOMAC score
Prognosis
0-14 Excellent
15-28 Good
29-38 Fair
>38 Poor
WOMAC score
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Results
WOMAC score
WOMAC itemWith psychologic disorder Without psychologic disorder P-Value
Ascending stairs 1.47 0.97 0.000
Descending stairs 1.52 1.21 0.022
Going shopping 1.84 0.78 0.009
Taking off socks 1.47 0.47 0.011
Lying in bed 0.68 0.26 0.029
Getting in of bath 0.94 0.15 0.044
Sitting 0.68 0.32 0.004
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Results
P= 0.401
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Discussions
• There is no definite criteria to classify old age.
• In Korea,
노인복지법 : 65 세 이상 국민연금법 : 60 세 이상
• Prevalence of the psychologic disorder is increasing in elderly person.
19.3% in 40~49 years17.8% in 50~59 years20.6% in 60~64 years
• Epidemiologic features of the depression in elderly person
Increasing in prevalence Female > Male Expressed as a physical symptom
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Discussions
• Factors that were significantly associated with a stiff or painful outcome
female sex, higher body mass index, previous knee surgery, patients on
disability, DM, pulmonary disease, and depression.
Fisher DA, et al. J Arthroplasty, 2007
• Pain-related fears of movement are predictors of post-surgical functional
difficulties.
• This study highlightened the prognostic value of psychological variables
in the prediction of post-surgical health outcomes.
• Psychological variables might be playing an important role as determinants of
problematic health outcomes following TKA.
Sullivan M, et al. Pain, 2009
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Discussions
• Lack of depression prompted better functional outcome in TKA.
• In order to maximize rehabilitation benefit, patients with recent TKA
intervention are screened for distress and depression at admission
and that psychological symptoms are treated.
Caracciolo B, et al. Arch Gerontology Geriatrics, 2005
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Discussions
• Preoperative depression and anxiety were associated with heightened pain
at 1 year.
• 12.5 % patients reported moderate to severe pain 1 year after surgery
despite an absence of clinical or radiographic abnormalities.
Brander VA, et al. Clin Orthop Relat Res, 2003
• Preoperative pain and depression predicted lower Knee Society score mostly
related to lower function scores.
• Depression drives long-term outcomes; the Knee Society score is influenced
by psychologic variables.Brander VA, et al. Clin Orthop Relat Res, 2007
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Conclusion
• This study showed that both the knee society knee score and functional
score were lower for patients with psychologic disorder compared to
patients with no psychologic disorder.
• Therefore, the patients with psychologic disorder should be provided of an
explanation that results after TKA would be less than those of patients with
no psychologic disorder.