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Complication Rates for Hip Arthroscopy Are Underestimated: A Population-Based Study
Jeremy N Truntzer1, Daniel J Hoppe2, Lauren M Shapiro2
1Department of Orthopaedics, Stanford University Hospitals, Redwood City, California, U.S.A..
Summary
Hip arthroscopy has higher major complication rates, including dislocations and fractures, than previously reported. Revision hip arthroscopy rates were also elevated in this national database study.
Area of Science:
- Orthopedic Surgery
- Patient Safety
- Health Outcomes Research
Background:
- Hip arthroscopy is a common procedure for hip joint issues.
- Existing literature provides varied complication rates for hip arthroscopy.
- A comprehensive analysis using a large national database is needed to accurately assess complication risks.
Purpose of the Study:
- To determine major and minor complication rates following hip arthroscopy.
- To compare these complication rates with existing literature.
- To analyze the rate of conversion to total hip arthroscopy (THA).
Main Methods:
- Utilized PearlDiver database to identify 2,581 hip arthroscopies (2007-2014).
- Extracted complication data using Current Procedural Terminology (CPT) and ICD-9 codes.
- Compared incidence rates with a general population cohort.
Main Results:
- Major and minor complication rates were 1.74% and 4.22% within one year.
- Key complications included heterotopic ossification (2.85%), proximal femur fracture (1.08%), and hip dislocation (0.58%).
- Significantly higher relative risks for THA conversion, proximal femur fractures, and hip dislocations were observed compared to the general population.
Conclusions:
- National payer data indicates higher major complication rates post-hip arthroscopy than previously reported.
- Hip dislocations and proximal femur fractures were notably more frequent.
- Conversion to THA rates were comparable to prior studies, but revision hip arthroscopy rates were higher.
