ISSN 2398-2977      

Anesthesia: peri-operative complications - transient blindness

pequis

Introduction

  • The incidence of post-operative blindness in human literature varies between 0.05 and 1%.
  • The surgeries most commonly involved are spinal and cardiopulmonary bypass, ie surgeries not commonly undertaken in horses.
  • Ophthalmic complications after non-ocular surgery are common, with corneal abrasion being the most common.
  • Transient blindness has been reported in 2 horses after anesthesia following xylazine   Xylazine  -ketamine   Ketamine hydrochloride   anesthesia, these horses recovered within 45-60 min.

Causes

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Prevention

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Supportive care

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Bhatti M T & Ennerking F K (2003) Visual loss and opthalmoplegia after shoulder surgery. Anesthesia and Analgesia 96, 899-902 PubMed
  • Williams E L (2002) Postoperative blindness. Anesthesiol Clin North Am 20 (3), 605-622, viii PubMed.
  • Dunker S, Hsu H Y, Sebag J & Sadun A A (2002) Perioperative risk factors for posterior ischemic optic neuropathy. J Am Coll Surg 194 (6), 705-710 PubMed
  • Remigio D & Wertenbaker C (2000) Post-operative bilateral vision loss. Survey of Ophthalmology 44 (5), 426-432 PubMed.
  • Klein L (1990) Anesthetic complications in the horse. Vet Clin North Am Equine PractPrinciples and techniques of Equine Anesthesia (3) PubMed.

Other sources of information

  • The Postoperative Visual Loss Registry, Department of Anesthesiology, University of Washington, Box 356540, Seattle, WA 98195-6540, USA. Tel: +1 (206) 616 2630; Fax: +1 (206) 543 2958; Email: postner@u.washington.edu; Website: www.asaclosedclaims.org.

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