The Extended Lesser Trochanteric Osteotomy (ELTO) in Complex Revision Hip Arthroplasty: An Alternative to the Extended Trochanteric Osteotomy (ETO).
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- Record sourced from PubMed, PMID 42228767.
- Also identified by DOI 10.2106/JBJS.26.00179.
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Abstract
The extended trochanteric osteotomy (ETO) has been a standard technique in complex revision hip arthroplasty. Despite the satisfactory healing rates with ETO, nonunion may occur, and failure of fixation and displacement of the trochanter may compromise abductor strength. The extended lesser trochanteric osteotomy (ELTO) is an alternative to the ETO in select patients that allows medial access to 3 sides of the femoral stem and incorporates the lesser trochanter along with a variable length of the medial femoral cortex, to which the iliopsoas tendon and adductors remain attached. The ELTO might be easier, faster, and shorter compared with the ETO while offering unobstructed exposure of 3 sides of the femoral stem. The most substantial advantage is the ability to spare the abductor attachment, eliminating the need for postoperative protected weight-bearing and abduction braces.