Michael LaCour, Jarrod Nachtrab, Thang Nguyen, Garett M Dessinger, Andrew Jacobs, Richard Komistek
Hip dislocation is one of the leading causes of failure and revision surgery for total hip arthroplasty. To reduce dislocation rates, lipped liners have been designed with an elevated portion of the rim, to increase jump distance and maintain greater contact area. While it has been documented that lipped liners help reduce dislocation, the objective of this study is to investigate whether lipped liners also help reduce smaller instances of hip micromotion, separation, and edge loading. This study uses an advanced three-dimensional preoperative planning tool to analyze 10 patients, each implanted with both a neutral and lipped liner...
April 16, 2024: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society