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. 2019 Nov 22;65(4):379-388.
doi: 10.5606/tftrd.2019.4695. eCollection 2019 Jun.

Early improvement in physical activity and function after total hip arthroplasty: Predictors of outcomes

Tuba Güler  1 , Filiz Sivas  1 , Fatma Gül Yurdakul  1 , Ersin Çelen  2 , Ali Utkan  2 , Bedriye Başkan  1 , Hatice Bodur  1 , Bülent Özkurt  2
Affiliations

Early improvement in physical activity and function after total hip arthroplasty: Predictors of outcomes

Tuba Güler et al. Turk J Phys Med Rehabil. .

Abstract

Objectives: This study aims to assess early changes in physical activity and function after total hip arthroplasty (THA) using both subjective and objective methods, and to identify predictors of outcomes of THA.

Patients and methods: Between October 2014 and October 2015, a total of 50 patients (14 males, 36 females; mean age 57.1±13.0 years; range, 31 to 75 years) with end-stage primary hip osteoarthritis who were scheduled for THA and 50 age- and sex-matched controls (10 males, 40 females; mean age 52.9±9.3 years; range, 36 to 75 years) were included in the study. Pain was evaluated using the Numeric Rating Scale (NRS), physical function using the Lequesne Index, physical capacity using the Six-Minute Walking Test (6MWT), and physical activity using both International Physical Activity Impact Questionnaire Short Form (IPAQ-SF) and step count monitor. Data at baseline and six weeks and six months were recorded.

Results: Pain severity was significantly lower after THA at six weeks and six months (NRS scores: 2.83 and 0.82, respectively; p<0.001), compared to baseline. Physical function, capacity, and activity significantly improved after THA at six weeks and six months with a mean Lequesne Index score of 2.62 and 1.02, respectively. The mean 6MWT distance was 272.62 at six weeks and 326.16 at six months. The mean IPAQ and 6MWT results were similar between the patient and control groups at six weeks and six months. Age, presence of comorbidities, and baseline Lequesne Index score were found to be effective on functional outcomes of THA. Age and baseline 6MWT scores were correlated with physical capacity after THA.

Conclusion: Our study showed a significant early improvement in pain severity and physical activity and function at six weeks and six months after THA, compared to baseline values. Baseline values and age were the positive predictors of improved postoperative function and physical capacity.

Keywords: Osteoarthritis; pain; physical activity; physical function; total hip arthroplasty; total hip replacement.

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Conflict of interest statement

Conflict of Interest: The authors declared no conflicts of interest with respect to the authorship and/or publication of this article.

Figures

Figure 1
Figure 1. Study flow chart.
Figure 2
Figure 2. The rate of patients in the physical activity categories according to the International Physical Activity Questionnaire-Short Form.
See this image and copyright information in PMC

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