Femoral nerve block for pain relief in hip fracture: a dose finding study

Watson, M. J., Walker, E., Rowell, S., Halliday, S., Lumsden, M.A. , Higgins, M., Binning, A. and McConnachie, A., (2014) Femoral nerve block for pain relief in hip fracture: a dose finding study. Anaesthesia, 69(7), pp. 683-686. (doi: 10.1111/anae.12683)

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Abstract

Hip fracture is the most common orthopaedic emergency. We investigated the concentration of 30 ml levobupivacaine that provided analgesia to 50% and 95% of patients with a hip fracture when injected around the femoral nerve under ultrasound guidance. We defined analgesia as a ≥ 20-point decrease on a 100-point pain scale with reduced cold sensation in the middle third of the anterior thigh 30 min after the nerve block. We increased the concentration of levobupivacaine if the preceding dose had been ineffective and decreased it if the preceding dose had been effective. Probit regression modelling estimated the effective (95% CI) concentration of 30 ml levobupivacaine in 50% and 95% of patients with a fractured hip to be 0.026 (0.023–0.028)% w/v and 0.036 (0.027–0.047)% w/v, respectively.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Higgins, Ms Maria and Walker, Dr Eric and Watson, Dr Malcolm and McConnachie, Professor Alex and Binning, Dr Alexander and Lumsden, Professor Mary
Authors: Watson, M. J., Walker, E., Rowell, S., Halliday, S., Lumsden, M.A., Higgins, M., Binning, A., and McConnachie, A.,
College/School:College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > Robertson Centre
College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
College of Medical Veterinary and Life Sciences > Institute of Health and Wellbeing > General Practice and Primary Care
Journal Name:Anaesthesia
Publisher:Wiley-Blackwell Publishing Ltd.
ISSN:0003-2409
ISSN (Online):1365-2044

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