Randomized trial evaluates quadratus lumborum block for total hip arthroplasty, suggesting analgesia optimization.
We thank Arce Gálvez and colleagues for their interest in our randomized, placebo-controlled trial of anterior quadratus lumborum block (QLB) as an adjunct to multimodal analgesia for total hip arthroplasty.[1 2][1] They make a fair point: the dose, concentration, volume, and compartmental spread
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Rozier et al. (2026) studied this question.
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