2006
DOI: 10.2106/jbjs.f.00457
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Systematic Analysis of Classification Systems for Osteonecrosis of the Femoral Head

Abstract: Prognostic Level III. See Instructions to Authors on jbjs.org for a complete description of levels of evidence.

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Cited by 124 publications
(72 citation statements)
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References 115 publications
(83 reference statements)
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“…As the region of ON was larger in specimens from hips with postnecrotic fractures than in hips with biomechanically caused fractures and those revised for reasons other than fractures, we suggest the extent of the lesion might relate to its outcome. An association of lesion size of ON with its outcome would be similar to that proposed in most classification systems for conventional ON of the femoral head [11]. We found larger lesions were associated with periprosthetic fractures and larger lesions collapsed more frequently than smaller ones.…”
Section: Discussionsupporting
confidence: 83%
See 1 more Smart Citation
“…As the region of ON was larger in specimens from hips with postnecrotic fractures than in hips with biomechanically caused fractures and those revised for reasons other than fractures, we suggest the extent of the lesion might relate to its outcome. An association of lesion size of ON with its outcome would be similar to that proposed in most classification systems for conventional ON of the femoral head [11]. We found larger lesions were associated with periprosthetic fractures and larger lesions collapsed more frequently than smaller ones.…”
Section: Discussionsupporting
confidence: 83%
“…This disease, which often leads to destruction of the hip, most commonly affects the femoral head [11].…”
Section: Introductionmentioning
confidence: 99%
“…In a systematic review of the literature, Mont et al [57] identified 16 major classification systems used to classify and describe ON. Of these, four classification systems accounted for greater than 85.4 % of the reported studies: the Ficat Classification [58] was the most frequently used system (63 %), followed by the University of Pennsylvania system (20 %) [47,26], the Association Research Circulation Osseous (ARCO) system (12 %) [59], and the Japanese Orthopaedic Association system (5 %) [60,61] (Table 2).…”
Section: Classificationmentioning
confidence: 99%
“…ONFH tends to affect younger patients; therefore, various head-preserving procedures have been used to delay the progression of the disease and provide pain relief to avert or delay total hip arthroplasty (THA) [8][9][10][11][12][13]. Femoral head sparing procedures (FHSP) include core decompression (CD), different bone grafting procedures, and/or biologic agents and rotational osteotomies.…”
Section: Introductionmentioning
confidence: 99%