Ultrasound-guided popliteal sciatic nerve blockade in the severely and morbidly obese: a prospective and randomized study.

Purpose: Limited research data exist regarding optimal block techniques in the severely and morbidly obese patient population. We compared two approaches to sciatic nerve blockade at the popliteal fossa in severely and morbidly obese patients. The purpose of this study was to identify differences in pain scores, block onset characteristics, and adverse events between the proximal (prebifurcation) and the distal (postbifurcation) sites.

The adductor canal block provides effective analgesia similar to a femoral nerve block in patients undergoing total knee arthroplasty--a retrospective study.

Study Objective: To determine the ability of an ultrasound-guided single-shot adductor canal block to provide adequate analgesia and improve performance during physical therapy.

Design: A retrospective chart review.

Setting: All procedures were performed at Ochsner Medical Center.