Some Offset Restoration Options Can Paradoxically Lead to Decreased Range of Motion in Primary Total Hip Arthroplasty: A 3-Dimensional Computer Simulation Study

Aidin E. Pour,Claire A. Donnelley,Wei Shao Tung,Steven M. Tommasini,Daniel Wiznia

The Journal of arthroplasty（2024）

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摘要

Counterintuitively, a subset of patients experience a paradoxical increase in bone-bone impingement when transitioning from standard to high offset or varus necks due to the pelvic and proximal femoral bone shape. For this group of patients, preoperative personalized three-dimensional modeling may help guide implant choice for optimizing outcomes.

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关键词

Large conventional femoral head,Primary total hip arthroplasty,dislocation,dual mobility bearing surface,impingement,robotic-assisted total hip arthroplasty

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