Document Detail

What factors influence long-term survivorship after hip arthroscopy?
MedLine Citation:
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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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  469     ISSN:  1528-1132     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  2011 Feb 
Date Detail:
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    
Other Details:
Languages:  eng     Pagination:  362-71     Citation Subset:  AIM; IM    
Harris Orthopaedic Laboratory, Massachusetts General Hospital, 55 Fruit Street, Yawkey 3B, Boston, MA 02115, USA.
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MeSH Terms
Acetabulum / pathology
Aged, 80 and over
Arthritis / surgery*
Arthroplasty, Replacement, Hip*
Cartilage, Articular / injuries,  pathology
Femur / pathology
Hip Joint / surgery*
Middle Aged
Prosthesis Failure
Range of Motion, Articular
Retrospective Studies
Risk Factors
Severity of Illness Index
Young Adult

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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