PMID: 3322095Nov 1, 1987Paper

Prophylaxis and therapy of the acid aspiration syndrome

Der Anaesthesist
S Ellmauer

Abstract

The best prevention of the aspiration syndrome begins with early identification of any patient at risk. Reduction of gastric volume and elevation of gastric pH can be achieved by premedication with glycopyrrolate (0.3 mg i.m.) and preoperative administration of H2-receptor antagonists (150 mg ranitidine p.o. 6-8 h and 80 mg i.m./i.v. 60 min before induction). Transportation of stomach contents into the duodenum can further be accelerated by 10 mg metoclopramide i.v. 20-40 min before induction. Metoclopramide will also elevate lower esophageal sphincter tone. Rapid elevation of gastric pH can be achieved by oral administration of 15-30 ml 0.3 mol sodium citrate. Induction of anesthesia should be performed as a "rapid sequence induction". Manual compression of the esophagus (Sellick manoever) may prevent gastric regurgitation. In cases of pulmonary aspiration, consequent therapy has to be initiated as soon as possible to limit broncho-alveolar damage. After endotracheal intubation the upper respiratory tract should be cleared of stomach contents by suction. Further efforts should include artificial ventilation with a high FiO2 and low PEEP (5-10 cm H2O) as well as vigorous volume substitution to maintain cardiovascular stability....Continue Reading

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