Lateral femoral cutaneous nerve block with different volumes of Ropivacaine: a randomized trial in healthy volunteers.

ABSTRACT:

Background

Nerve block of the lateral femoral cutaneous nerve (LFCN) is a predominantly sensory block. It reduces pain following total hip arthroplasty (THA), but the non-responder rate is high. We hypothesized, that an increased volume of ropivacaine, would result in greater coverage of incisions used for THA.

Methods

We conducted a randomized, blinded trial in 20 healthy volunteers. Participants were randomized to receive bilateral LFCN-blocks with 8 mL ropivacaine 0.75% on the left side and 16 mL ropivacaine 0.75% on the right side, or vice versa. Allocation was blinded to both participants and outcome assessors. Before nerve block performance, incision lines for posterior and lateral THA approaches were depicted with invisible ultraviolet-paint, thereby securing sufficie

SUBMITTER: Vilhelmsen F 

PROVIDER: S-EPMC6712695 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature