Cargando…

Factors Influencing Range of Motion after Total Knee Arthroplasty

BACKGROUND: The range of motion after a total knee arthroplasty is an important clinical outcome affecting the life of the patient. The aim of this study was to determine the most important factors influencing the postoperative knee flexion in Tehran, Iran. METHODS: Between July 2007 and January 200...

Descripción completa

Detalles Bibliográficos
Autores principales: Farahini, H, Moghtadaei, M, Bagheri, A, Akbarian, E
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Kowsar 2012
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3438434/
https://www.ncbi.nlm.nih.gov/pubmed/22997557
_version_ 1782242912805847040
author Farahini, H
Moghtadaei, M
Bagheri, A
Akbarian, E
author_facet Farahini, H
Moghtadaei, M
Bagheri, A
Akbarian, E
author_sort Farahini, H
collection PubMed
description BACKGROUND: The range of motion after a total knee arthroplasty is an important clinical outcome affecting the life of the patient. The aim of this study was to determine the most important factors influencing the postoperative knee flexion in Tehran, Iran. METHODS: Between July 2007 and January 2009, on 95 cases of total knee joint replacement (89 patients), who were followed for 1 year postoperatively, the risk factors were assessed. Patient demographics (sex, age, body mass index, previous surgery, preoperative Knee Society System score, and preoperative range of motion) as well as radiographic measurement for preoperative tibiofemoral angle were statistically analyzed and the probable predictors entered into a linear regression model. RESULTS: Univariate analysis showed that age, preoperative flexion angle, preoperative flexion arc and preoperative tibiofemoral angle had significant correlation with the postoperative flexion angle. The linear regression model on the other hand revealed that preoperative flexion angle and preoperative tibiofemoral angle were the true predictors of the postoperative flexion angle with coefficients of 0.64 and -0.21, respectively. CONCLUSION: Better range of motion before the surgery with a lower tibiofemoral varus/valgus angle were more likely to result in a better range of motion after the surgery, suggesting that an appropriate timing for the surgery when the knee joint is still in a better function can lead to a better outcome.
format Online
Article
Text
id pubmed-3438434
institution National Center for Biotechnology Information
language English
publishDate 2012
publisher Kowsar
record_format MEDLINE/PubMed
spelling pubmed-34384342012-09-20 Factors Influencing Range of Motion after Total Knee Arthroplasty Farahini, H Moghtadaei, M Bagheri, A Akbarian, E Iran Red Crescent Med J Original Article BACKGROUND: The range of motion after a total knee arthroplasty is an important clinical outcome affecting the life of the patient. The aim of this study was to determine the most important factors influencing the postoperative knee flexion in Tehran, Iran. METHODS: Between July 2007 and January 2009, on 95 cases of total knee joint replacement (89 patients), who were followed for 1 year postoperatively, the risk factors were assessed. Patient demographics (sex, age, body mass index, previous surgery, preoperative Knee Society System score, and preoperative range of motion) as well as radiographic measurement for preoperative tibiofemoral angle were statistically analyzed and the probable predictors entered into a linear regression model. RESULTS: Univariate analysis showed that age, preoperative flexion angle, preoperative flexion arc and preoperative tibiofemoral angle had significant correlation with the postoperative flexion angle. The linear regression model on the other hand revealed that preoperative flexion angle and preoperative tibiofemoral angle were the true predictors of the postoperative flexion angle with coefficients of 0.64 and -0.21, respectively. CONCLUSION: Better range of motion before the surgery with a lower tibiofemoral varus/valgus angle were more likely to result in a better range of motion after the surgery, suggesting that an appropriate timing for the surgery when the knee joint is still in a better function can lead to a better outcome. Kowsar 2012-07 2012-07-30 /pmc/articles/PMC3438434/ /pubmed/22997557 Text en Copyright © 2012, Kowsar Corp. http://creativecommons.org/licenses/by/2.5/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Farahini, H
Moghtadaei, M
Bagheri, A
Akbarian, E
Factors Influencing Range of Motion after Total Knee Arthroplasty
title Factors Influencing Range of Motion after Total Knee Arthroplasty
title_full Factors Influencing Range of Motion after Total Knee Arthroplasty
title_fullStr Factors Influencing Range of Motion after Total Knee Arthroplasty
title_full_unstemmed Factors Influencing Range of Motion after Total Knee Arthroplasty
title_short Factors Influencing Range of Motion after Total Knee Arthroplasty
title_sort factors influencing range of motion after total knee arthroplasty
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3438434/
https://www.ncbi.nlm.nih.gov/pubmed/22997557
work_keys_str_mv AT farahinih factorsinfluencingrangeofmotionaftertotalkneearthroplasty
AT moghtadaeim factorsinfluencingrangeofmotionaftertotalkneearthroplasty
AT bagheria factorsinfluencingrangeofmotionaftertotalkneearthroplasty
AT akbariane factorsinfluencingrangeofmotionaftertotalkneearthroplasty