Analysis of factors influencing patient satisfaction after total hip arthroplasty in a Japanese cohort: the significant effect of postoperative physical activity

  • Fujita Tsutomu
    Department of Rehabilitation, Kyushu University Hospital, Japan
  • Hamai Satoshi
    Department of Medical-Engineering Collaboration for Healthy Longevity, Faculty of Medical Sciences, Kyushu University: 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
  • Shiomoto Kyohei
    Department of Orthopedic Surgery, Faculty of Medical Sciences, Kyushu University, Japan
  • Okazawa Kazuya
    Department of Rehabilitation, Kyushu University Hospital, Japan
  • Nasu Yu-ki
    Department of Rehabilitation, Kyushu University Hospital, Japan
  • Hara Daisuke
    Department of Orthopedic Surgery, Faculty of Medical Sciences, Kyushu University, Japan
  • Harada Satoru
    Department of Orthopedic Surgery, Faculty of Medical Sciences, Kyushu University, Japan
  • Motomura Goro
    Department of Orthopedic Surgery, Faculty of Medical Sciences, Kyushu University, Japan
  • Ikemura Satoshi
    Department of Orthopedic Surgery, Faculty of Medical Sciences, Kyushu University, Japan
  • Fujii Masanori
    Department of Orthopedic Surgery, Faculty of Medical Sciences, Kyushu University, Japan
  • Kawahara Shinya
    Department of Orthopedic Surgery, Faculty of Medical Sciences, Kyushu University, Japan
  • Kawaguchi Ken-ichi
    Department of Orthopedic Surgery, Faculty of Medical Sciences, Kyushu University, Japan
  • Nakashima Yasuharu
    Department of Orthopedic Surgery, Faculty of Medical Sciences, Kyushu University, Japan

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<p> [Purpose] To determine patient satisfaction after total hip arthroplasty in a Japanese cohort and to identify factors that significantly influence patient satisfaction. [Participants and Methods] This study included 285 patients who underwent primary total hip arthroplasty for osteoarthritis. Postoperative satisfaction, Oxford hip score, short form-12 mental component summary score, and University of California Los Angeles activity score were investigated. Muscle strength and daily step counts were determined using a hand-held dynamometer (μ-Tas F1) and activity monitor (ActivPAL) in 89 and 26 patients, respectively. Factors associated with postoperative satisfaction, Oxford hip score-activities of daily living, and University of California Los Angeles activity score were identified. The relationship between the Oxford hip score-activities of daily living and daily step counts was examined. [Results] Overall, 94.7% of the patients reported satisfaction with total hip arthroplasty. The Oxford hip score-activities of daily living and University of California Los Angeles activity score were significantly associated with patient satisfaction. Younger age and hip abductor strength were significantly associated with a higher Oxford hip score-activities of daily living and University of California Los Angeles activity score. The average daily step count was significantly correlated with the Oxford hip score-activities of daily living. [Conclusion] Self-reported physical activity levels significantly influenced patient satisfaction and were correlated with objective muscle strength and daily step count measurements. These findings can guide total hip arthroplasty patient counseling on the importance of muscle strength and activity levels.</p>

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