Advances in Diagnosis and Treatment of Osteonecrosis of the Hip

Jones, Lynne C.; Mont, Michael A.

doi:10.1055/s-0037-1599244

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“…Among them, stage I to III refer to the early stages of AVN with normal joint space and virtually normal femoral head. There are many femoral head-preserving techniques, such as core decompression [ 6 , 7 ], vascularized or non-vascularized bone grafting [ 8 , 9 ], and osteotomy [ 10 ]. Smith et al .…”

Section: Introductionmentioning

confidence: 99%

Long-term outcomes of arthroscopic synovectomy and core decompression through multiple small bone holes for early-stage avascular necrosis of the femoral head

Luo

et al. 2023

Arthroplasty

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Objective This study described a minimally invasive approach for the management of early-stage avascular necrosis of the femoral head, which integrated arthroscopic intra-articular decompression and core decompression by drilling multiple small holes. Method A total of 126 patients with 185 hip avascular necrosis were included between March 2005 and January 2008, and the hips were classified, based on the Association Research Circulation Osseous staging system, into stage I (n = 43), stage II (n = 114), and stage III (n = 28). Arthroscopic intra-articular inspection and debridement, along with drilling of multiple small holes for core decompression, were performed. The Modified Harris hip score system and radiographs were used to assess the pre- and post-surgery outcomes. Results One hundred and three patients (involving 153 hips) were followed up successfully for an average of 10.7 ± 3.4 years (range: 9–12 years). After surgery, the overall survival rate was 51.6% (79 hips), and the clinical survival rates were 79%, 72%, 52%, 32%, and 10% for patients with stage I, IIa, IIb, IIc, and III, respectively. The outcomes of patients with Association Research Circulation Osseous Stages I or IIA were better than those of other stages, while hips with a large necrotic area had poor results. This approach preserved the original biomechanical strength of the femoral head after core decompression and eliminated arthritis factors in the hip joint. Conclusion The core decompression with multiple small-size holes is an effective method for treating early-stage avascular necrosis of the femoral head, particularly in those with pathological changes in the hip joint. Level of evidence Therapeutic study, Level IV.

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Section: Introductionmentioning

confidence: 99%

Long-term outcomes of arthroscopic synovectomy and core decompression through multiple small bone holes for early-stage avascular necrosis of the femoral head

Luo

et al. 2023

Arthroplasty

View full text Add to dashboard Cite

show abstract

Advances in Diagnosis and Treatment of Osteonecrosis of the Hip

Cited by 1 publication

References 1 publication

Long-term outcomes of arthroscopic synovectomy and core decompression through multiple small bone holes for early-stage avascular necrosis of the femoral head

Long-term outcomes of arthroscopic synovectomy and core decompression through multiple small bone holes for early-stage avascular necrosis of the femoral head

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