Key result
Proximal femoral nail fixation linked to two subcapital femoral neck fractures in severe osteoporosis.
Case Report (n=2)
Severe osteoporosis may be a significant risk factor for subcapital femoral neck fractures following intertrochanteric fracture fixation with a proximal femoral nail.
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May warrant vigilance for subcapital fractures in severely osteoporotic patients after proximal femoral nailing; hypothesis-generating and requires prospective confirmation.
Subcapital femoral neck fractures are a rare complication after fixation of an intertrochanteric fracture with a proximal femoral nail. We report 2 such cases where the patients had severe osteoporosis, based on Singh's index and pathological findings. In one case there was a technical error leading to a tip-apex distance of more than 20 mm, but osteoporosis appeared to be a more significant cause than any technical problems.
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Kaneko et al. (2009) conducted a case report in Subcapital femoral neck fracture after fixation of an intertrochanteric fracture (n=2). Fixation of an intertrochanteric fracture with a proximal femoral nail was evaluated on Subcapital femoral neck fracture. Two cases of subcapital femoral neck fractures occurred after fixation of intertrochanteric fractures with a proximal femoral nail, primarily associated with severe osteoporosis.
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