• S Bhagwanjee, A T Bösenberg, and D J Muckart.
• Department of Anaesthesia, Surgical Intensive Care Unit, King Edward VIII Hospital, Congella, South Africa.
• Crit. Care Med. 1999 Sep 1;27(9):1721-5.

ObjectiveTo determine the efficacy and safety of epidural bupivacaine and sufentanil for the management of sympathetic overactivity in tetanus.DesignRetrospective case review.SettingSixteen-bed surgical intensive care unit in a tertiary care centre.PatientsAll patients referred to the unit during a 63-month period with the diagnosis of tetanus were included in the study.Measurements And Main ResultsAll patients (n = 11) had severe tetanus and developed sympathetic overactivity, which was managed by epidural blockade. Three patients died, but there were no fatalities directly attributable to sympathetic overactivity. Before epidural blockade, the average difference between the mean maximum and mean minimum systolic blood pressures was 78 +/- 28 (so) mm Hg. After blockade, this difference was reduced to 38 +/- 15 (so) mm Hg (p < .0001). Similar significant reductions in diastolic blood pressure and heart rate were observed. The mean hourly infusion doses of bupivacaine and sufentanil were 17 mg and 21 microg, respectively. Midazolam was the principal adjunctive sedative agent and was used in all patients (mean dose, 9 mg/hr). Additional pharmacologic agents were necessary in two patients in whom epidural blockade alone was insufficient to control sympathetic overactivity. One patient developed renal failure and there were no instances of pneumothorax. One patient developed an epidural abscess of probable hematogenous origin, which was successfully treated without neurologic sequelae.ConclusionsEpidural blockade is effective in controlling sympathetic overactivity and the associated complications (renal failure, cardiac injury, and sudden death). Although a serious complication occurred in one patient, the efficacy of the technique deserves further validation.

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