Patients’ preoperative perspectives concerning the decision to undergo total
knee arthroplasty and comparison of their clinical assessments |
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Authors: | Y?ld?z Analay Akbaba ?pek Yeldan Arzu Razak ?zdin?ler Nejat Güney |
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Institution: | 1) Division of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Istanbul University, Turkey;2) Department of Orthopaedics and Traumatology, Cerrahpasa Medical Faculty, Istanbul University, Turkey |
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Abstract: | Purpose] The aims of our study were, 1. to assess pain, limitation of movement ability,
and functionality in osteoarthritis patients scheduled to undergo total knee arthroplasty,
2. to determine if pain (Group 1) or function loss (Group 2) has a greater influence on
the decision of patients to have surgery, and 3. to compare results between Group 1 and
Group 2. Subject and Methods] Fifty-five osteoarthritis patients classified as grades 3
and 4 according to the Kellgren-Lawrence system of classification were evaluated for
preoperative pain intensity with the Visual Analogue Scale, knee flexion/extension range
of movement with a clinical goniometer, and function with the Western Ontario and McMaster
Universities Osteoarthritis Index. Patients were examined to reveal their reasons
regarding the decision to undergo total knee arthroplasty (pain or function loss).
Results] The Visual Analog Scale scores at rest and during activity were 5.62 and 7.42,
the knee flexion range of movement and extension limitation were 93.17° and −7.04°, and
the Western Ontario and McMaster Universities Osteoarthritis Index value was 82.09.
Regarding the decision to undergo surgery, 47.3% (n=26) of the knees were in Group 1, and
52.7% were in Group 2; the two groups were not significantly different. There were also no
significant differences between the groups in Visual Analog Scale score during activity,
the Western Ontario and McMaster Universities Osteoarthritis Index value, and knee flexion
range of movement and extension limitation. The only statistically significant difference
was found in the Visual Analog Scale score at rest in Group 1, which was significantly
higher than that in Group 2. Conclusion] Our results showed that osteoarthritis patients
decided to undergo surgery only if all of the parameters were impaired significantly. Both
pain and function loss have a similar impact on a patient’s decision to undergo surgery.
We observed no significant difference in clinical and self-reported outcomes between
patients who decided to undergo surgery due to pain or function loss. |
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Keywords: | Osteoarthritis Functionality Range of movement |
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