Bisphosphonates and Fractures of the Subtrochanteric or Diaphyseal Femur

Recent case reports and series have identified a subgroup of atypical femoral-shaft fractures associated with bisphosphonate use. This study analyzed data from three large, randomized bisphosphonate trials. Subtrochanteric or diaphyseal femur fractures were very rare, even among women who had been t...

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Veröffentlicht in:The New England journal of medicine 2010-05, Vol.362 (19), p.1761-1771
Hauptverfasser: Black, Dennis M, Kelly, Michael P, Genant, Harry K, Palermo, Lisa, Eastell, Richard, Bucci-Rechtweg, Christina, Cauley, Jane, Leung, Ping Chung, Boonen, Steven, Santora, Arthur, de Papp, Anne, Bauer, Douglas C
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container_end_page 1771
container_issue 19
container_start_page 1761
container_title The New England journal of medicine
container_volume 362
creator Black, Dennis M
Kelly, Michael P
Genant, Harry K
Palermo, Lisa
Eastell, Richard
Bucci-Rechtweg, Christina
Cauley, Jane
Leung, Ping Chung
Boonen, Steven
Santora, Arthur
de Papp, Anne
Bauer, Douglas C
description Recent case reports and series have identified a subgroup of atypical femoral-shaft fractures associated with bisphosphonate use. This study analyzed data from three large, randomized bisphosphonate trials. Subtrochanteric or diaphyseal femur fractures were very rare, even among women who had been treated with bisphosphonates for as long as 10 years. In patients with osteoporosis, proven benefits for fracture reduction appear to outweigh the possible risk of femoral-shaft fractures. This study analyzed data from three large, randomized bisphosphonate trials. Subtrochanteric or diaphyseal femur fractures were very rare, even among women who had been treated with bisphosphonates for as long as 10 years. Several case series have described cases of “atypical” subtrochanteric and diaphyseal fractures of the femoral shaft and have suggested that the risk may be increased in long-term users of bisphosphonates. 1 – 13 Descriptions of associated atypical characteristics vary but have been described as a simple transverse or oblique (
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Several case series have described cases of “atypical” subtrochanteric and diaphyseal fractures of the femoral shaft and have suggested that the risk may be increased in long-term users of bisphosphonates. 1 – 13 Descriptions of associated atypical characteristics vary but have been described as a simple transverse or oblique (&lt;30 degrees) fracture with cortical beaking and diffuse cortical thickening. 2 Clinical associations that have been mentioned in some reports include low-level trauma, prodromal pain or evidence of a previous stress fracture, contralateral changes, and the use of specific concomitant drugs (including corticosteroids), 9 , 10 antiresorptive drugs (including hormone-replacement therapy), 10 and proton-pump inhibitors. 13 However, these . . .</description><identifier>ISSN: 0028-4793</identifier><identifier>EISSN: 1533-4406</identifier><identifier>DOI: 10.1056/NEJMoa1001086</identifier><identifier>PMID: 20335571</identifier><identifier>CODEN: NEJMAG</identifier><language>eng</language><publisher>Waltham, MA: Massachusetts Medical Society</publisher><subject>Alendronate - adverse effects ; Biological and medical sciences ; Bone density ; Bone Density Conservation Agents - adverse effects ; Bone Density Conservation Agents - therapeutic use ; Confidence Intervals ; Diphosphonates - adverse effects ; Diphosphonates - therapeutic use ; Female ; Femoral Fractures - chemically induced ; Femoral Fractures - epidemiology ; Femoral Fractures - prevention &amp; control ; Fractures ; General aspects ; Hip Fractures - chemically induced ; Hip Fractures - epidemiology ; Humans ; Imidazoles - adverse effects ; Medical sciences ; Older people ; Osteoporosis ; Osteoporosis - drug therapy ; Randomized Controlled Trials as Topic ; Women</subject><ispartof>The New England journal of medicine, 2010-05, Vol.362 (19), p.1761-1771</ispartof><rights>Copyright © 2010 Massachusetts Medical Society. 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Several case series have described cases of “atypical” subtrochanteric and diaphyseal fractures of the femoral shaft and have suggested that the risk may be increased in long-term users of bisphosphonates. 1 – 13 Descriptions of associated atypical characteristics vary but have been described as a simple transverse or oblique (&lt;30 degrees) fracture with cortical beaking and diffuse cortical thickening. 2 Clinical associations that have been mentioned in some reports include low-level trauma, prodromal pain or evidence of a previous stress fracture, contralateral changes, and the use of specific concomitant drugs (including corticosteroids), 9 , 10 antiresorptive drugs (including hormone-replacement therapy), 10 and proton-pump inhibitors. 13 However, these . . .</description><subject>Alendronate - adverse effects</subject><subject>Biological and medical sciences</subject><subject>Bone density</subject><subject>Bone Density Conservation Agents - adverse effects</subject><subject>Bone Density Conservation Agents - therapeutic use</subject><subject>Confidence Intervals</subject><subject>Diphosphonates - adverse effects</subject><subject>Diphosphonates - therapeutic use</subject><subject>Female</subject><subject>Femoral Fractures - chemically induced</subject><subject>Femoral Fractures - epidemiology</subject><subject>Femoral Fractures - prevention &amp; 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subjects Alendronate - adverse effects
Biological and medical sciences
Bone density
Bone Density Conservation Agents - adverse effects
Bone Density Conservation Agents - therapeutic use
Confidence Intervals
Diphosphonates - adverse effects
Diphosphonates - therapeutic use
Female
Femoral Fractures - chemically induced
Femoral Fractures - epidemiology
Femoral Fractures - prevention & control
Fractures
General aspects
Hip Fractures - chemically induced
Hip Fractures - epidemiology
Humans
Imidazoles - adverse effects
Medical sciences
Older people
Osteoporosis
Osteoporosis - drug therapy
Randomized Controlled Trials as Topic
Women
title Bisphosphonates and Fractures of the Subtrochanteric or Diaphyseal Femur
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