Taper fracture of uncemented femoral stem after THA: a case
Fracture through the tapered femoral neck of total hip arthroplasty is extremely rare.

Published in the journal Case Reports in Orthopedic Research, the authors report the taper neck fracture of a cementless stem in an extensively porous-coated femoral prosthesis used for total hip arthroplasty due to chronic hip infection 8 years previously in a 42-year-old man, weighing 110 kg with a body mass index of 39.

The authors consider that cyclical loading stresses, fretting corrosion, and high body mass index are possible potential risk factors of such fracture.

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