Document Detail


Asymptomatic osteonecrosis: should it be treated?
MedLine Citation:
PMID:  15577476     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Currently, there is no consensus regarding the treatment of precollapse osteonecrosis, particularly for asymptomatic osteonecrosis. With approximately 10,000 to 20,000 new cases of osteonecrosis a year, no single surgeon or center has the kind of experience that is able to address the most important questions concerning this disease. The literature strongly documents that symptoms of osteonecrosis will progress. Although the literature also supports the progression of asymptomatic osteonecrosis to symptomatic osteonecrosis on to collapse, that support is less convincing. Progression is proportional to lesion size, with small lesions (< 15% of femoral head involvement by volume) unlikely to progress. Although the results of core decompression have been somewhat controversial, the weight of the literature supports both the efficacy and safety of the procedure. The decision to treat osteonecrosis with core decompression is primarily based upon lesion size and stage of disease and does not necessarily depend on whether the patient is symptomatic. As large lesions (> 30% of the femoral head) are less likely to be successfully treated by core decompression and small lesions (< 15% of the femoral head) are less likely to progress, asymptomatic lesions within these ranges can be observed. The literature supports the position that moderately sized lesions (15-30% of the femoral head) should be treated by core decompression (with or without bone grafting).
Authors:
David S Hungerford; Lynne C Jones
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  -     ISSN:  0009-921X     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  2004 Dec 
Date Detail:
Created Date:  2004-12-03     Completed Date:  2005-01-28     Revised Date:  2005-11-16    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  124-30     Citation Subset:  AIM; IM    
Affiliation:
Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Good Samaritan Hospital, Baltimore, MD 21239, USA. dhunger@jhmi.edu
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MeSH Terms
Descriptor/Qualifier:
Age Distribution
Aged
Aged, 80 and over
Analgesics / therapeutic use
Combined Modality Therapy
Female
Femur Head Necrosis / diagnosis*,  epidemiology,  etiology,  therapy*
Humans
Incidence
Male
Middle Aged
Orthopedic Procedures / methods
Orthotic Devices
Osteonecrosis / diagnosis,  epidemiology,  therapy
Pain Measurement
Prognosis
Risk Assessment
Severity of Illness Index
Sex Distribution
Treatment Outcome
Chemical
Reg. No./Substance:
0/Analgesics

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


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