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Study aim
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Comparison of Intrathecal Bupivacaine with Placebo and Fentanyl and Sufentanyl and Bupivacaine on Duration of Anesthesia and Complications of Spinal Anesthesia in elective Cesarean Section
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Design
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Randomized Clinical Trial phase II-III with 105 patients, Patients are assigned to each group according to the table which is derived from randomization.org after fulfilling the conditions for entering the study.
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Settings and conduct
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In Hafez hospital, Shiraz, patients in group one received 10 mg bupivacaine 0.5%, 2 micrograms of sufentanil, 0.1 ml of normal saline.
patients in group 2two received 10 mg bupivacaine 0.5%, 10 micrograms of fentanyl, 0.3 ml of normal saline. patients in group three received 10 mg bupivacaine 0.5%, the infusion of 1 gr apotel, 100 micrograms of fentanyl, and 5 mg of morphine diluted in 200 cc normal saline.
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Participants/Inclusion and exclusion criteria
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Inclusion Criteria:Term pregnancy, ASA I-II, Elective cesarean section.
Exclusion criteria: Localized infection in the lumbar region, Use of anti-platelet and anticoagulant, Allergy to the local anesthetics, Addiction to narcotics and nicotine ,Hypovolemic shock ,Diabetes ,Renal failure ,Coagulation disorder, Liver disease, Heart diseases .
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Intervention groups
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Intervention group1: patients received 10 mg bupivacaine 0.5%, 2 micrograms of sufentanil, 0.1 ml of normal saline, and 200 cc normal saline as placebo intravenously after the umbilical cord removal. Intervention group 2: patients received 10 mg bupivacaine 0.5%, 10 micrograms of fentanyl, 0.3 ml of normal saline, and 200 cc normal saline as placebo intravenously after the umbilical cord removal. Intervention group3: patients received 10 mg bupivacaine 0.5%, the infusion of 1 gr apotel, 100 micrograms of fentanyl, and 5 mg of morphine diluted in 200 cc normal saline.
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Main outcome variables
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Duration of sensory block, duration of motor block and pain