Prevention of limb length discrepancy in total hip arthroplasty

Total hip arthroplasty is a highly effective and cost-efficient procedure but postoperative limb length discrepancy is a common source of patient dissatisfaction and litigation. This article provides a systematic, stepwise approach for identifying and proactively managing risk factors associated with limb length discrepancy following total hip arthroplasty. This review explores preoperative history taking, clinical examination, radiological templating, implant positioning, soft tissue balancing, and intraoperative surgical techniques for minimizing leg length discrepancy while maintaining stability and restoring mechanical function following total hip arthroplasty. A comprehensive understanding of the multifactorial nature and methods for reducing postoperative limb length discrepancy is essential for optimizing patient satisfaction, clinical outcomes and long-term function following total hip arthroplasty.