intrathecal sufentanil with adrenalin in lower abdominal operations

intrathecal injection of sufentanil with adrenalin was performed in 45 cases (20 female, 25 male age range: 18-40 years). all injections were performed in the sitting position, with a number 20 intrathecal needle immersed in adrenalin. the cases were observed for 72 hours. maximum duration of analgesia was 12 hours (60%) and the minimum was 3 hours (13.3%). this method reduces the need for repeated administration of intravenous or intramuscular narcotics, and unlike intrathecal morphine, dose not cause delayed respiratory depression