The influence of body mass index on patient-reported outcome measures following total hip arthroplasty: a retrospective study of 3,903 Cases
- 26.05.2024
- Hip Arthroplasty
Erschienen in:
- Verfasst von
-
Walter Sobba
Walter Sobba
- Department of Orthopedic Surgery, NYU Langone Health, New York, USA
-
Kyle W. Lawrence
Kyle W. Lawrence
- Department of Orthopedic Surgery, NYU Langone Health, New York, USA
-
Muhammad A. Haider
Muhammad A. Haider
- Department of Orthopedic Surgery, NYU Langone Health, New York, USA
-
Jeremiah Thomas
Jeremiah Thomas
- Department of Orthopedic Surgery, NYU Langone Health, New York, USA
-
Ran Schwarzkopf
Ran Schwarzkopf
- Department of Orthopedic Surgery, NYU Langone Health, New York, USA
-
Joshua C. Rozell
Korrespondierender Autor Joshua C. Rozell
- Department of Orthopedic Surgery, NYU Langone Health, New York, USA
- Erschienen in
- Archives of Orthopaedic and Trauma Surgery | Ausgabe 6/2024
Abstract
Background
The influence of obesity on patient-reported outcome measures (PROMs) following total hip arthroplasty (THA) is currently controversial. This study aimed to compare PROM scores for pain, functional status, and global physical/mental health based on body mass index (BMI) classification.
Methods
Primary, elective THA procedures at a single institution between 2018 and 2021 were retrospectively reviewed, and patients were stratified into four groups based on BMI: normal weight (18.5–24.99 kg/m2), overweight (25–29.99 kg/m2), obese (30–39.99 kg/m2), and morbidly obese (> 40 kg/m2). Patient-Reported Outcome Measurement Information System (PROMIS) and Hip Disability and Osteoarthritis Outcome Score for Joint Replacement (HOOS, JR) scores were collected. Preoperative, postoperative, and pre/post- changes (pre/post-Δ) in scores were compared between groups. Multiple linear regression was used to assess for confounders.
Results
We analyzed 3,404 patients undergoing 3,903 THAs, including 919 (23.5%) normal weight, 1,374 (35.2%) overweight, 1,356 (35.2%) obese, and 254 (6.5%) morbidly obese cases. HOOS, JR scores were worse preoperatively and postoperatively for higher BMI classes, however HOOS, JR pre/post-Δ was comparable between groups. All PROMIS measures were worse preoperatively and postoperatively in higher BMI classes, though pre/post-Δ were comparable for all groups. Clinically significant improvements for all BMI classes were observed in all PROM metrics except PROMIS mental health. Regression analysis demonstrated that obesity, but not morbid obesity, was independently associated with greater improvement in HOOS, JR.
Conclusions
Obese patients undergoing THA achieve lower absolute scores for pain, function, and self-perceived health, despite achieving comparable relative improvements in pain and function with surgery. Denying THA based on BMI restricts patients from clinically beneficial improvements comparable to those of non-obese patients, though morbidly obese patients may benefit from additional weight loss to achieve maximal functional improvement.
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- Titel
- The influence of body mass index on patient-reported outcome measures following total hip arthroplasty: a retrospective study of 3,903 Cases
- Verfasst von
-
Walter Sobba
Kyle W. Lawrence
Muhammad A. Haider
Jeremiah Thomas
Ran Schwarzkopf
Joshua C. Rozell
- Publikationsdatum
- 26.05.2024
- Verlag
- Springer Berlin Heidelberg
- Erschienen in
-
Archives of Orthopaedic and Trauma Surgery / Ausgabe 6/2024
Print ISSN: 0936-8051
Elektronische ISSN: 1434-3916 - DOI
- https://doi.org/10.1007/s00402-024-05381-8
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