Bisphosphonate induced femur fractures

Case contributed by Dr Jayanth Keshavamurthy

Presentation

Fall and pain. History of osteoporosis and chronic use of ibandronic acid (Boniva).

Patient Data

Age: 69
Gender: Female

Right femur

Modality: X-ray

Right femur chalk stick fracture.

Left femur

Modality: X-ray

Left femur insufficiency fracture classic finding from chronic bisphosphonate use.

Case Discussion

This patient was diagnosed with a chalk stick like fracture of the proximal right femoral diaphysis, and an insufficiency fracture involving the lateral aspect of the left femoral diaphysis cortex. The fractures were fixed by open reduction and internal fixation with bilateral intramedullary nails. Ibandronate was discontinued.

The two uncommon adverse events of long term bisphosphonate use are osteonecrosis of jaw and atypical femur fractures. There is significant controversy regarding the optimal duration of therapy of bisphosphonates. Some authors have recommended the use of drug holidays. However, there is no consensus regarding this.

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Case Information

rID: 45453
Case created: 25th May 2016
Last edited: 25th May 2016
Inclusion in quiz mode: Included

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