Adverse Effect Clinical Trial
Official title:
6% Hydroxyethyl Starch (130/0.4) Coload for Postspinal Anesthesia Hypotension in Patients Undergoing Caesarean Section: A Randomized Sequential Allocation Dose-finding Study
The purpose of this study is to investigate the ED50 and ED90 for an effective 6% Hydroxyethyl starch (130/0.4) coload infusion dose for postspinal anesthesia hypotension in patients undergoing cesarean section.
Post-spinal anesthesia hypotension is a frequent complication during spinal anesthesia for cesarean section. The incidence of post-spinal anesthesia hypotension is as high as 62.1-89.7% if prophylactic measures are not taken. Colloid fluid coload has been highly demonstrated for prevention and/or treatment of post-spinal anesthesia hypotension. However, the ED50 and ED90 for an effective 6% Hydroxyethyl starch (130/0.4) coload infusion dose for postspinal anesthesia hypotension are still unknown. The purpose of this study is to investigate the ED50 and ED90 for an effective 6% Hydroxyethyl starch (130/0.4) coload infusion dose for postspinal anesthesia hypotension in patients undergoing cesarean section. ;
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