Jason A Collins1, Bryan G Beutel1, Garret Garofolo1, Thomas Youm2. 1. Department of Orthopaedic Surgery, NYU Hospital for Joint Diseases, New York, New York, U.S.A. 2. Department of Orthopaedic Surgery, NYU Hospital for Joint Diseases, New York, New York, U.S.A.. Electronic address: thomas.youm@nyumc.org.
Abstract
PURPOSE: This study aimed to evaluate patient-reported outcomes and complications after hip arthroscopy in an obese population compared with a matched nonobese control group with a minimum 2-year follow-up, using the Modified Harris Hip Score (MHHS) and Nonarthritic Hip Score (NAHS). METHODS: Data were analyzed from 21 consecutive obese patients (body mass index [BMI] ≥ 30) and 18 nonobese patients (BMI < 25) who underwent hip arthroscopy between 2009 and 2012 with a minimum follow-up of 2 years. Data collected included MHHS, NAHS, traction and intraoperative times, and postoperative complications. RESULTS: Traction times were similar between obese and nonobese patients at 48 and 45 minutes (P = .51), respectively. Operative times were also similar at 54 and 51 minutes (P = .79), respectively. Each group had a statistically significant improvement in MHHS from baseline to final follow-up: 45 to 79 (P < .001) in the obese group and 49 to 81 (P < .001) in the nonobese cohort. Similarly, the NAHS showed significant improvement in each group from baseline to final follow-up: 43 to 75 (P < .001) in the obese cohort and 45 to 83 (P < .001) in the nonobese group. There was no difference between groups in MHHS or NAHS data. There were 8 complications in the obese group, most commonly deep vein thrombosis (DVT) and worsened pain, whereas the nonobese cohort had one complication (an instance of heterotopic ossification [HO]). Overall, obese patients had 11.1 times the risk of a complication developing than did nonobese patients (95% confidence interval, 1.2 to 99.7). CONCLUSIONS: Hip arthroscopy in the obese patient population leads to improved short- to mid-term patient-reported outcomes similar to those seen in nonobese patients. Obese patients, however, are at a significantly increased risk of postoperative complications such as DVTs and worsened hip pain. LEVEL OF EVIDENCE: Level IV, therapeutic case series.
PURPOSE: This study aimed to evaluate patient-reported outcomes and complications after hip arthroscopy in an obese population compared with a matched nonobese control group with a minimum 2-year follow-up, using the Modified Harris Hip Score (MHHS) and Nonarthritic Hip Score (NAHS). METHODS: Data were analyzed from 21 consecutive obesepatients (body mass index [BMI] ≥ 30) and 18 nonobese patients (BMI < 25) who underwent hip arthroscopy between 2009 and 2012 with a minimum follow-up of 2 years. Data collected included MHHS, NAHS, traction and intraoperative times, and postoperative complications. RESULTS: Traction times were similar between obese and nonobese patients at 48 and 45 minutes (P = .51), respectively. Operative times were also similar at 54 and 51 minutes (P = .79), respectively. Each group had a statistically significant improvement in MHHS from baseline to final follow-up: 45 to 79 (P < .001) in the obese group and 49 to 81 (P < .001) in the nonobese cohort. Similarly, the NAHS showed significant improvement in each group from baseline to final follow-up: 43 to 75 (P < .001) in the obese cohort and 45 to 83 (P < .001) in the nonobese group. There was no difference between groups in MHHS or NAHS data. There were 8 complications in the obese group, most commonly deep vein thrombosis (DVT) and worsened pain, whereas the nonobese cohort had one complication (an instance of heterotopic ossification [HO]). Overall, obesepatients had 11.1 times the risk of a complication developing than did nonobese patients (95% confidence interval, 1.2 to 99.7). CONCLUSIONS: Hip arthroscopy in the obesepatient population leads to improved short- to mid-term patient-reported outcomes similar to those seen in nonobese patients. Obesepatients, however, are at a significantly increased risk of postoperative complications such as DVTs and worsened hip pain. LEVEL OF EVIDENCE: Level IV, therapeutic case series.
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