Anaesthesia for Ophthalmic Procedures in a Teaching Hospital

Abstract

Objectives: To study the pattern of anaesthesia for ophthalmic procedures in order to improve the scheduling of cases in the ophthalmic operating room.
Methods: The surgical register of the operating room from August 01, 1999 to July 31, 2004 was examined, to document the types of procedure, timing of surgery (elective or
emergency), methods of anaesthesia, and involvement of anaesthesia personnel.
Results: A total of 970 patients (506 males, 464 females) had ophthalmic surgery in the five-year period under review. General anaesthesia was employed for 119 (12.3%) patients
and regional anaesthesia for 851 (87.7%). 400 patients had their procedures on ambulatory basis (LA = 397, GA = 3). Local blocks were the favoured technique for both the
outpatient and inpatient settings. Cataract extraction, repair of corneal/scleral/conjunctival/lid lacerations, excision biopsy, trabeculectomy and evisceration were the leading indications. General anaesthesia was the more commonly employed anaesthetic technique in younger patients and for emergency ophthalmic procedures. The general anaesthesia was administered by the registrar and senior registrar grades of
anaesthetists.
Conclusion: The study shows that the use of general anaesthesia appeared largely restricted to paediatric patients and emergency situations. However, evolving techniques – like sub-tenon block, total intravenous anaesthesia (TIVA), monitored anaesthesia care – should be encouraged.

Keywords: ophthalmic anaesthesia, paediatric anaesthesia, regional blocks, outcome

Nigerian Journal of Ophthalmology Vol. 16 (1) 2008: pp. 1-4