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- W2023392114 abstract "The purpose of this study was to demonstrate the efficacy of oral ephedrine in preventing hypotension following subarachnoid block. Two hundred women, ASA physical status I or II, undergoing lower abdominal surgery were randomly divided into two groups (n = 100 each). All patients were given routine oral premedication consisting of diazepam 10 mg and ranitidine 150 mg at bed time and at 90 min before surgery. In addition, Group I patients received ephedrine 30 mg, orally, 30 min before subarachnoid block was administered. Group II received only routine premedication. After starting an iv line and preloading with 10 ml.kg-1 crystalloid, patients were given 0.5% heavy bupivacaine 3.2 to 3.6 ml, depending on body weight, intrathecally. Patients with decreases in blood pressure of 20% were given ephedrine i.v., in increments, in addition to crystalloids. Despite a similar level of block (T3-T4) and i.v. fluids, the total dose of ephedrine supplement in Group I was 4.3 +/- 4.8 mg compared with 11.6 +/- 9.4 mg in Group II (P < 0.01). Also, 55 patients in Group I required intraoperative inotrope supplement compared with 83 in Group II (P < 0.01). We conclude that oral ephedrine premedication is a simple and effective way of reducing the incidence of hypotension in patients undergoing lower abdominal surgery under subarachnoid block." @default.
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- W2023392114 title "Prophylactic oral ephedrine reduces the incidence of hypotension after subarachnoid block" @default.
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- W2023392114 doi "https://doi.org/10.1007/bf03015660" @default.
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