Muscular damage in THA: Anterolateral minimally invasive versus modified lateral approach .
Evidence of reduced muscle trauma through a minimally invasive anterolateral approach by means of MRI
Clin Orthop Relat Res. 2010 Dec;468(12):3192-20044 patients with primary osteoarthritis receiving total hip arthroplasty (THA) were randomized to undergo either an anterolateral minimally invasive approach (ALMI) or a modified direct lateral approach (mDL). Damage to periarticular muscles was compared with the use of magnetic resonance imaging (MRI) at 3 and 12 months. The results showed the mDL approach caused a higher grade of fatty atrophy in the tensor fasciae latae (TFL) and additional changes in the muscle cross-sectional area (CSA) of the gluteus medius.
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