Induced hypotension with a mixture of sodium nitroprusside and trimetaphan camsylate

Summary Thirty patients undergoing induced hypotension were given a 10:1 mixture of trimetaphan camsylate and sodium nitroprusside by intravenous infusion. A readily controllable hypotension was produced with considerable reduction in the dosage of these drugs compared to their use individually. There were no cases of prolonged hypotension.