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Related Experiment Video

Updated: May 8, 2026

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MAASH Technique for Total Hip Arthroplasty: A Capsular Work.

Felipe G Delgado1, Albert Broch, Francisco Reina

  • 1Orthopedic and Trauma Department of the Hospital de Sant Celoni, Av. Hospital, 19, 08470 Sant Celoni, Barcelona, Catalonia Spain ; Arthrocat SLP, Group of Orthopedic Surgery and Sports Medicine, Sant Celoni, Spain.

HSS Journal : the Musculoskeletal Journal of Hospital for Special Surgery
|September 7, 2013
PubMed
Summary

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Journal of experimental orthopaedics·2025

The Modified Anterolateral Approach for Stable Hip (MAASH) technique reduces total hip arthroplasty complications. This novel approach ensures accurate leg length restoration and minimizes dislocation risk.

Area of Science:

  • Orthopedic Surgery
  • Arthroplasty Research

Background:

  • Total hip arthroplasty (THA) is associated with significant risks, including dislocation and leg length discrepancy.
  • Existing surgical approaches often compromise capsular integrity during closure, potentially leading to complications.

Purpose of the Study:

  • To introduce the Modified Anterolateral Approach for Stable Hip (MAASH) technique for total hip arthroplasty.
  • To preserve key ligaments (iliofemoral, pubofemoral) and utilize a "box concept" for enhanced capsular management.

Main Methods:

  • An observational, retrospective consecutive case study involving 100 THA cases.
  • Data collected from November 2007 to May 2012, focusing on the technique's development curve.

Main Results:

Keywords:
THA stabilityanterior hip capsulehip approachhip arthroplastyhip capsule anatomyleg length discrepancy

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  • The MAASH technique demonstrated a low rate of dislocation (one case) and major complications (six cases).
  • Accurate reconstruction of leg length was achieved in all cases.
  • Most complications occurred during the early stages of technique implementation.

Conclusions:

  • The MAASH technique offers a reliable and reproducible anterolateral approach for THA.
  • It provides maximal stability and accurate leg length restoration, particularly beneficial for high-risk patients.
  • This approach presents a novel method for managing the anterior capsule in hip arthroplasty.