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Artículo en Inglés | IMSEAR | ID: sea-46934

RESUMEN

The present study compared the efficacy of preloading with colloid "Haemaccel" with vasoconstrictor (intravenous ephedrine sulphate) in preventing hypotension during propofol induction. This prospective, randomized study included 120 patients of Amercan Society of Anaesthesiologists (ASA) physical status I and II ageing 21 to 50 years of both gender coming for routine surgery. Patients were randomly allocated into three groups with 40 patients in each. Group A (control) did not receive any study medication, group B received Haemaccel (10 ml/kg intravenously over 10-15 minutes) and group C received injection ephedrine (0.2 mg/kg iv) prior to induction of anaesthesia. Propofol (2.5 mg/kg iv) was used for induction of anaesthesia. Heart rate and blood pressure were recorded before induction (baseline) and then every minute for 5 minutes after administering propofol. Anaesthesia was continued with standard technique thereafter. Hypotension was defined as fall in systolic blood pressure more than 20% from the basal value. The incidence of hypotension in Haemaccel (23.1%) or ephedrine group (22.5%) was significantly less than the control group (67.5%, P<0.01). We conclude that though preloading with colloid (Haemaccel) or prior injection of sympathomimetic (ephedrine) are not fully efficacious in preventing hypotension caused by propofol induction, both decrease the incidence in significant number of patients with heart rate less than baseline value in the colloid group.


Asunto(s)
Adulto , Anestesia , Anestésicos Intravenosos/efectos adversos , Efedrina/administración & dosificación , Femenino , Humanos , Hipotensión/inducido químicamente , Infusiones Intravenosas , Inyecciones Intravenosas , Masculino , Persona de Mediana Edad , Sustitutos del Plasma/administración & dosificación , Poligelina/administración & dosificación , Propofol/efectos adversos , Vasoconstrictores/administración & dosificación
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