Article

Induction of anaesthesia with propofol according to the adjusted ideal body mass in obese and non-obese patients: an observational study

Published in: Southern African Journal of Anaesthesia and Analgesia
Volume 25 , issue 1 , 2019 , pages: 6–11

DOI: 10.1080/22201181.2018.1475036

Author(s): FJ Smith Department of Anaesthesiology, School of Medicine, South Africa , FX Jurgens Department of Anaesthesiology, School of Medicine, South Africa , JF Coetzee Department of Anaesthesiology and Critical Care, South Africa , PJ Becker Department of Anaesthesiology, School of Medicine, South Africa

Keywords: administration and dosage , body mass index , body compositions , propofol

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Abstract

Background: Obesity changes body composition including fat free mass (FFM), regarded as the “pharmacologically active mass”. Scaling drug doses to obese patients by total body mass (TBM) results in overdose. We aimed to determine the success rate of inducing anaesthesia in normal, overweight and obese patients with propofol, using an adjusted body mass scalar (ABM), which embodies the increased FFM of obese patients.

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