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Updated: Jun 25, 2026
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The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
Published on: September 7, 2022
A lateral minimal-incision technique in total hip replacement: a prospective, randomizes, controlled trial
A Speranza1, R Iorio, M Ferretti
1Orthopaedic Unit, S. Andrea Hospital, University La Sapienza, Rome, Italy. a.speranza75@virgilio.it
Summary
Minimally invasive hip surgery using smaller incisions showed reduced blood loss but increased complications. Muscle-sparing approaches may be more beneficial than solely shorter skin incisions for total hip replacement.
Area of Science:
- Orthopaedic Surgery
- Minimally Invasive Procedures
- Total Hip Arthroplasty
Background:
- Minimally invasive surgery (MIS) is increasingly adopted in orthopaedics.
- Mini-incision techniques for total hip arthroplasty (THA) aim to reduce incision length.
- This study compares standard vs. mini-incision THA regarding outcomes and complications.
Purpose of the Study:
- To evaluate the efficacy and safety of mini-incision THA compared to standard incision THA.
- To assess differences in surgical time, blood loss, complications, and functional outcomes.
Main Methods:
- A randomized controlled trial involving 100 patients undergoing unilateral THA.
- Patients were assigned to either an 8 cm mini-incision (Group A) or a 12-14 cm standard incision (Group B).
- Data collected included demographics, surgical parameters, complications, hospital stay, and functional scores (HHS, WOMAC) at six months.
Main Results:
- No significant differences were observed in surgical time, hospital stay, or functional outcomes (HHS, WOMAC) between groups.
- The mini-incision group (Group A) demonstrated significantly lower blood loss.
- Group A experienced a higher incidence of peri-operative complications, including sciatic nerve issues and femur fractures.
Conclusions:
- While mini-incision THA reduces blood loss, it may increase complication rates compared to standard approaches.
- Future MIS in THA should prioritize muscle-sparing techniques over solely reducing skin incision length.
