[Preload during spinal anesthesia for cesarean section: comparison between crystalloid and colloid solutions.].

Background And Objectives: Maternal hypotension is the most common complication following spinal anesthesia for cesarean section. This study aimed at comparing the incidence of hypotension and the need for vasopressors in patients submitted to cesarean section under spinal anesthesia following preload with either crystalloid or colloid (modified fluid gelatin).

Methods: Participated in this prospective study 50 term pregnant patients, physical status ASA I, submitted to cesarean section under spinal anesthesia.