In a prospective , randomised study we compared in 52 ( 26 vs. 26 ) elderly patients ( ASA II and III , mean age 78.7 + / - 8.6 years ) undergoing a cataract operation cardiac and circulatory side effects , recovery time and patients satisfaction with the either type of anaesthesia by a score from 1 = best to 6 = worse and the occurrence of nausea/vomiting ( controlled 24 h ) .
