الفهرس 
Physiological changes during pregnancyOnly 14 pages are availabe for public view
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Abstract
A caesarean section (C-section), is a form of childbirth in which a surgical incision is made through a mother’s abdomen (laparotomy) and uterus (hysterotomy) to deliver one or more babies. It is usually performed when a vaginal delivery would lead to medical complications. The anesthetic plan for cesarean delivery should take into account the well-being of two patients: the mother and the fetus. Regional anesthesia is the most common method of anesthesia for delivery because it allows the mother to be awake and immediately interact with her baby. It is also safer for the mother than general anesthesia. Regional anesthesia is used for 95 percent of planned cesarean deliveries in the United States.
The aim of this study is to evaluate the efficacy of ephedrine infusion versus preload crystalloid administration in reducing the incidence of hypotension during spinal anaesthesia.
This study was conducted in the obstetric department of Al Matarya Teaching Hospital on fifty parturient undergoing elective caesarean section after the approval of the ethical medical committee.
A written consent was taken from all patients who were either class II according to the classification of the American society of Anesthesiologists ASA II. This study was a prospective double blind randomized controlled study where the patients were allocated into 2 equal groups 25 patients each.
We concluded that prophylactic IV Ephedrine infusion is more effective than fluid preload in prevention of hypotension due to spinal anesthesia for cesarean section without causing significant tachycardia or hypertension.