Study of knee range of motion after soft tissue repair in both flexion and extension during total knee arthroplasty: a randomized clinical trial

Autor: Kiavash Hushmandi, Mohsen Heidari, Seyedeh Omolbanin Seyed Rezaei, Alireza Bahonar, Mehdi Motififard, Hamed Gholizadeh, Mehdi Raei
Jazyk: perština
Rok vydání: 2022
Předmět:
Zdroj: Tehran University Medical Journal, Vol 79, Iss 11, Pp 846-853 (2022)
Druh dokumentu: article
ISSN: 1683-1764
1735-7322
Popis: Background: The patient's position during the recovery time after arthroplasty surgery can be a factor in reducing complications and improving patients’ condition. Therefore, this study was performed to compare the knee range of motion after soft tissue repair in both flexion and extension positions of total knee arthroplasty. Methods: This study is a double-blind clinical trial. The study population was all candidates for total knee arthroplasty surgery in Al-Zahra and Kashani hospitals in Isfahan from July 2011 to September 2012. The sample size was selected using the statistical formula of 88 patients and randomly divided into two groups of flexion and extension. In the first group during the knee soft tissue repair, the knee was in flexion and in the second group it was in extension and then it was repaired. Information such as age, sex, body mass index and surgical position were recorded in the checklist. The knee range of motion was measured at the end of the first, second, fourth, eighth and twelfth weeks and recorded in a checklist. In order to compare the pattern of changes in mean knee range of motion over time in the two groups, mixed linear models and conventional marginal models to generalized estimator equations were used by STATA software. Results: The results showed that there was no significant difference between the flexion and extension groups in knee range of motion. In both groups, the mean knee range of motion increased with time (P
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