Obese patients may have more soft tissue impingement following primary total hip arthroplasty
- 8 November 2012
- journal article
- research article
- Published by Springer Science and Business Media LLC in International Orthopaedics
- Vol. 36 (12), 2419-2423
- https://doi.org/10.1007/s00264-012-1701-8
Abstract
Several studies have reported a risk of dislocation in obese patients after total hip arthroplasty. In this study, we evaluated the interaction between obesity and dislocation by kinematic analysis using a navigation system. The intraoperative range of motion (ROM) and postoperative impingement-free ROM were measured in 38 patients, and we compared the impingement-free ROM in obese and non obese patients. The postoperatively simulated ROM was similar in the obese and non obese groups. The intraoperative ROM was smaller in the obese group. The difference values between the intraoperative ROM and postoperatively simulated ROM were larger in the obese group. These results indicate that obese patients have less ROM following primary total hip arthroplasty even when the implant positioning is performed correctly. Dislocations are multifactorial problems including soft tissue impingement. Therefore, the risk of dislocation caused by soft tissue impingement in obese patients may be increased.Keywords
This publication has 27 references indexed in Scilit:
- Obesity effect on male active joint range of motionErgonomics, 2010
- Obesity in total hip replacementThe Journal of Bone and Joint Surgery. British volume, 2008
- High body mass index is associated with increased risk of implant dislocation following primary total hip replacement: 2,106 patients followed for up to 8 yearsActa Orthopaedica, 2008
- Anatomic Hip Range of Motion After Implantation During Total Hip Arthroplasty as Measured by a Navigation SystemThe Journal of Arthroplasty, 2007
- Differences in outcomes of obese women and men undergoing primary total hip arthroplastyArthritis Care & Research, 2007
- Differences in the views of orthopaedic surgeons and referring practitioners on the determinants of outcome after total hip replacementThe Journal of Bone and Joint Surgery. British volume, 2005
- Racial/ethnic differences in surgical outcomes in veterans following knee or hip arthroplastyArthritis & Rheumatism, 2005
- Risk Factors for OsteoarthritisClinical Orthopaedics and Related Research, 2004
- Risk factors for total hip replacement due to primary osteoarthritis: A cohort study in 50,034 personsArthritis & Rheumatism, 2002
- Study of differences in peripheral muscle strength of lean versus obese women: an allometric approachInternational Journal of Obesity, 2001