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Anesth Analg. 2012 Jan;114(1):233-5. doi: 10.1213/ANE.0b013e3182373887. Epub 2011 Oct 14.

Brief reports: a comparison of an injection cephalad or caudad to the division of the sciatic nerve for ultrasound-guided popliteal block: a prospective randomized study.

Author information

1
Département d'Anesthésie-Réanimation, Unité de Recherche en Traumatologie-Urgence-Soins Intensifs, Centre Hospitalier Affilié Universitaire de Québec, Hôpital de l'Enfant-Jésus, Université Laval, Québec, Canada.

Abstract

BACKGROUND:

The optimal site for local anesthetic injection during ultrasound-guided sciatic popliteal block remains controversial.

METHODS:

Patients were randomized to receive 25 mL ropivacaine 0.75% around the sciatic nerve cephalad to the peroneal-tibial division in group A (n = 51) or caudad to the division in group B (n = 51). The sensory and motor blocks were evaluated every 5 minutes up to 30 minutes.

RESULTS:

Rates of complete sensory block and surgical anesthesia were superior in group B (P < 0.0001).

CONCLUSION:

The caudad technique provided better surgical anesthesia.

PMID:
22003214
DOI:
10.1213/ANE.0b013e3182373887
[Indexed for MEDLINE]

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