TKA: Gap Balancing versus Measured Resection Techniques .
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Gap Balancing Sacrifices Joint-Line Maintenance to Improve Gap Symmetry: A Randomized Controlled Trial Comparing Gap Balancing and Measured Resection
J Arthroplasty. 2014 May;29(5):950-4Exclusive Author Interview
Dr. Sina Babazadeh discusses a comparison between Gap Balancing and Measured Resection Techniques in TKA
103 patients undergoing primary total knee arthroplasty (TKA) were randomized to evaluate the efficacy of the gap balancing approach (GB) against the measured resection technique (MR) for TKA. Patients were monitored for 24 months, and were primarily evaluated on femoral component rotation (Hollywood Perth-Protocol CT-scan) and joint-line (defined as the difference between resected bone and prosthesis thickness from femoral and tibial sides). The evidence presented in this trial indicated significantly raised joint-line associated with gap balancing when compared to the measured resection technique (MR) - and ultimately better gap symmetry. Functional outcomes, along with quality-of-life evaluations were similar throughout the trial.
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