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Equine Practice
An approach to hindlimb lameness 4. Practical aspects of local analgesia
  1. Sue Dyson

    Sue Dyson graduated from Cambridge in 1980. She completed an internship in large animal medicine and surgery at the University of Pennsylvania and then spent a year in private equine practice in Pennsylvania before returning to the UK to take up a clinical orthopaedic position in the Equine Centre of the Animal Health Trust, Newmarket. She gained a PhD for a thesis on equine lameness diagnosis and was awarded fellowship of the RCVS for a thesis on shoulder lameness in the horse. She holds the RCVS diploma in equine orthopaedics. Her special interests include equine lameness diagnosis and diagnostic imaging. Dr Dyson is currently president of the British Equine Veterinary Association.


IN the previous article, the principles of local analgesic techniques were discussed in general terms (In Practice, February 1997, pp 82-88). This article describes specific nerve block techniques and their potential limitations. Although, theoretically, nerve blocks should start as far distally as possible - eliminating, sequentially, pain arising from the plantar aspect of the foot, the foot and pastern, and then fetlock - the incidence of distal limb problems is less common in hindlimbs than in forelimbs. Therefore, a strategic approach is suggested based upon the results of a detailed clinical examination, gait analysis and response to flexion tests.

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