Atypical Femoral Fractures Associated with Long-Term Treatment with Bisphosphonates

Authors

  • Francisco Flores Santos Serviço de Ortopedia. Hospital Fernando Fonseca. Amadora. Portugal.
  • José Pinheiro da Silva Serviço de Ortopedia. Hospital Força Aérea. Lisboa. Portugal.
  • Paulo Felicíssimo Serviço de Ortopedia. Hospital Fernando Fonseca. Amadora. Portugal.

DOI:

https://doi.org/10.20344/amp.4323

Abstract

Introduction: Long-term treatment with bisphosphonates has been associated to atypical femoral fractures whose features are now clearly defined.
Clinical Cases: We present two cases of female patients under bisphosphonate treatment for over 10 years who were admitted to our institution for subtrochanteric and femoral shaft fractures after low-energy trauma. They presented, respectively, a transverse and a short oblique femoral fracture, with thickening of the lateral cortex. They underwent surgical treatment obtaining good functional and imaging result.
Discussion: These cases fulfill the established criteria for atypical femoral fracture, thereby illustrating a serious adverse event of long-term treatment with bisphosphonates. Such relationship has still not been clearly established by scientific evidence. However, its effectiveness in preventing osteoporotic fractures is well proven.
Conclusion: The atypical femoral fractures are possibly a serious adverse effect of the long-term treatment with bisphosphonates. Scientific evidence still supports its use, however, the physician must be aware of these events and closely follow-up these patients.

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Author Biographies

Francisco Flores Santos, Serviço de Ortopedia. Hospital Fernando Fonseca. Amadora. Portugal.

José Pinheiro da Silva, Serviço de Ortopedia. Hospital Força Aérea. Lisboa. Portugal.

Paulo Felicíssimo, Serviço de Ortopedia. Hospital Fernando Fonseca. Amadora. Portugal.

Published

2013-12-20

How to Cite

1.
Flores Santos F, Pinheiro da Silva J, Felicíssimo P. Atypical Femoral Fractures Associated with Long-Term Treatment with Bisphosphonates. Acta Med Port [Internet]. 2013 Dec. 20 [cited 2024 Apr. 20];26(6):746-50. Available from: https://www.actamedicaportuguesa.com/revista/index.php/amp/article/view/4323