|What factors influence long-term survivorship after hip arthroscopy?|
|PMID: 20872105 Owner: NLM Status: MEDLINE|
|BACKGROUND: Hip arthroscopy is an evolving procedure. One small study suggested that a low modified Harris hip score and arthritis at the time of surgery were predictors of poor prognosis.
QUESTIONS/PURPOSES: We therefore intended to confirm those findings with a large patient cohort to (1) determine the long-term nonarthritic hip score; (2) determine survivorship; (3) identify risk factors that increase the likelihood of THA; and (4) use those factors to create a usable risk assessment algorithm.
PATIENTS AND METHODS: We retrospectively reviewed 324 patients (340 hips) who underwent arthroscopy for pain and/or catching. Of these, 106 patients (111 hips or 33%) had a minimum followup of 10 years (mean, 13 years; range, 10-20 years). The average age was 39 years (± 13) with 47 men and 59 women. We recorded patient age, gender, acetabular and femoral Outerbridge grade at surgery, and the presence of a labral tear. Followup consisted of a nonarthritic hip score or the date of a subsequent THA. We determined survivorship with the end point of THA for the acetabular and femoral Outerbridge grades.
RESULTS: Overall survivorship among the 111 hips was 63% at 10 years. The average nonarthritic hip score for non-THA patients was 87.3 (± 12.1). Survivorship was greater for acetabular and femoral Outerbridge grades normal through II. Age at arthroscopy and Outerbridge grades independently predicted eventual THA. Gender and the presence of a labral tear did not influence long-term survivorship.
CONCLUSIONS: The long-term survivorship of labral tears with low-grade cartilage damage indicates hip arthroscopy is reasonable for treating labral tears.
LEVEL OF EVIDENCE: Level IV, therapeutic study. See Guidelines for Authors for a complete description of levels of evidence.
|Joseph C McCarthy; Bryan T Jarrett; Olumide Ojeifo; Jo Ann Lee; Charles R Bragdon|
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|Type: Journal Article|
|Title: Clinical orthopaedics and related research Volume: 469 ISSN: 1528-1132 ISO Abbreviation: Clin. Orthop. Relat. Res. Publication Date: 2011 Feb|
|Created Date: 2011-01-11 Completed Date: 2011-02-24 Revised Date: 2013-07-03|
Medline Journal Info:
|Nlm Unique ID: 0075674 Medline TA: Clin Orthop Relat Res Country: United States|
|Languages: eng Pagination: 362-71 Citation Subset: AIM; IM|
|Harris Orthopaedic Laboratory, Massachusetts General Hospital, 55 Fruit Street, Yawkey 3B, Boston, MA 02115, USA. firstname.lastname@example.org|
|APA/MLA Format Download EndNote Download BibTex|
Aged, 80 and over
Arthritis / surgery*
Arthroplasty, Replacement, Hip*
Cartilage, Articular / injuries, pathology
Femur / pathology
Hip Joint / surgery*
Range of Motion, Articular
Severity of Illness Index
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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