National trends and in hospital outcomes for total hip arthroplasty in avascular necrosis in the United States

Purpose While a majority of total hip arthroplasty (THA) is performed for osteoarthritis (OA), a significant portion is performed in the setting of avascular necrosis (AVN). The purpose of this study is to evaluate recent trends, patient demographics, and in hospital outcomes for primary THA in the...

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Veröffentlicht in:International orthopaedics 2016-09, Vol.40 (9), p.1787-1792
Hauptverfasser: Mayers, William, Schwartz, Brian, Schwartz, Aaron, Moretti, Vincent, Goldstein, Wayne, Shah, Ritesh
Format: Artikel
Sprache:eng
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Zusammenfassung:Purpose While a majority of total hip arthroplasty (THA) is performed for osteoarthritis (OA), a significant portion is performed in the setting of avascular necrosis (AVN). The purpose of this study is to evaluate recent trends, patient demographics, and in hospital outcomes for primary THA in the setting of AVN in the United States. Methods The National Hospital Discharge Survey database was searched for patients admitted to US hospitals after a primary THA for the years 2001-2010. Patients were then separated into two groups by ICD-9 diagnosis codes for OA and AVN. Results The rates of THA for AVN (r = 0.65) and THA for OA (r = 0.82) both demonstrated a positive correlation with time. The mean patient age of the AVN group was significantly lower (56.9 vs 65.9 years, p 
ISSN:0341-2695
1432-5195
DOI:10.1007/s00264-015-3089-8