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The Bone & Joint Journal
Vol. 101-B, Issue 1_Supple_A | Pages 11 - 18
1 Jan 2019
Assuring the long-term total joint arthroplasty
Kayani B Konan S Thakrar RR Huq SS Haddad FS
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Objectives

The primary objective of this study was to compare accuracy in restoring the native centre of hip rotation in patients undergoing conventional manual total hip arthroplasty (THA) versus robotic-arm assisted THA. Secondary objectives were to determine differences between these treatment techniques for THA in achieving the planned combined offset, component inclination, component version, and leg-length correction.

Materials and Methods

This prospective cohort study included 50 patients undergoing conventional manual THA and 25 patients receiving robotic-arm assisted THA. Patients undergoing conventional manual THA and robotic-arm assisted THA were well matched for age (mean age, 69.4 years (sd 5.2) vs 67.5 years (sd 5.8) (p = 0.25); body mass index (27.4 kg/m2 (sd 2.1) vs 26.9 kg/m2 (sd 2.2); p = 0.39); and laterality of surgery (right = 28, left = 22 vs right = 12, left = 13; p = 0.78). All operative procedures were undertaken by a single surgeon using the posterior approach. Two independent blinded observers recorded all radiological outcomes of interest using plain radiographs.

The Journal of Bone & Joint Surgery British Volume
Vol. 93-B, Issue 5 | Pages 572 - 579
1 May 2011
Metal-on-metal bearings
Haddad FS Thakrar RR Hart AJ Skinner JA Nargol AVF Nolan JF Gill HS Murray DW Blom AW Case CP
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Lately, concerns have arisen following the use of large metal-on-metal bearings in hip replacements owing to reports of catastrophic soft-tissue reactions resulting in implant failure and associated complications. This review examines the literature and contemporary presentations on current clinical dilemmas in metal-on-metal hip replacement.