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The Bone & Joint Journal
Vol. 100-B, Issue 10 | Pages 1303 - 1309
1 Oct 2018
Intraoperative placement of total hip arthroplasty components with robotic-arm assisted technology correlates with postoperative implant position
Nodzo SR Chang C Carroll KM Barlow BT Banks SA Padgett DE Mayman DJ Jerabek SA
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Aims

The aim of this study was to evaluate the accuracy of implant placement when using robotic assistance during total hip arthroplasty (THA).

Patients and Methods

A total of 20 patients underwent a planned THA using preoperative CT scans and robotic-assisted software. There were nine men and 11 women (n = 20 hips) with a mean age of 60.8 years (sd 6.0). Pelvic and femoral bone models were constructed by segmenting both preoperative and postoperative CT scan images. The preoperative anatomical landmarks using the robotic-assisted system were matched to the postoperative 3D reconstructions of the pelvis. Acetabular and femoral component positions as measured intraoperatively and postoperatively were evaluated and compared.