Continuous Anterior Sciatic Nerve Block: A Case Series

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Sciatic nerve block is classically performed through posterior or lateral approaches. With the increased use of ultrasound, the anterior approach has gained popularity. An anterior approach should be considered in patients after trauma and severe postoperative pain where patient positioning can be challenging. The anatomical landmark techniques can be difficult for anterior approach and cannot always be relied on due to inconsistency in extremely obese population. The presence of large blood vessels in the needle path and increasing use of anticoagulants, call for the use of ultrasound guidance for anterior approach to sciatic nerve.

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