Investigating the Correlations between Patient Demographics and Complications Following Total Knee Arthroplasty: A Cross-Sectional Study
Abstract
Introduction: This study investigates the relationship between patient age, gender, and various complications, such as pain, restricted range of motion (ROM), and hemorrhage following total knee arthroplasty.
Materials and Methods: This cross-sectional study included 62 patients (Mean±SD age= 65.9±7.38 years; female participants=74.2%) who underwent total knee arthroplasty at Atieh Hospital in Tehran, Iran, between 2020 and 2021. Pain levels were assessed using the numerical pain rating score. Meanwhile, knee joint ROM was evaluated using a reliable mobile application. Hemorrhage was measured through knee joint drainage. Statistical analyses were performed to analyze the data.
Results: Women reported higher pain levels and more restricted ROM in passive knee extension and active/passive knee flexion compared to men (P<0.05). However, no significant differences were observed between genders in active knee extension and hemorrhage. A significant inverse correlation was found between pain and ROM in passive knee extension (rho=-0.41, P≤0.001), as well as in active (rho=-0.5, P≤0.001) and passive knee flexion (rho= -0.59, P≤0.001). However, no significant relationship was observed between pain and active knee extension or hemorrhage. Age showed no statistically significant correlation with the other variables.
Conclusion: This study highlights the association between higher pain levels and greater ROM restrictions in passive knee extension and active/passive knee flexion following total knee arthroplasty; however, patient age and gender were not found to be associated with postoperative hemorrhage. These findings underscore the importance of closely monitoring pain and ROM, particularly in women undergoing total knee arthroplasty.
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Issue | Vol 18 No 4 (2024) | |
Section | Research Article(s) | |
DOI | https://doi.org/10.18502/jmr.v18i4.16912 | |
Keywords | ||
Total knee arthroplasty Pain Range of motion Hemorrhage Cross-sectional study |
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