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. 1999;3(1):39-43.
doi: 10.1186/cc305.

Cisapride decreases gastric content aspiration in mechanically ventilated patients

J Pneumatikos  1 , B Koulouras, C Frangides, D Goe, G Nakos
Affiliations

Cisapride decreases gastric content aspiration in mechanically ventilated patients

J Pneumatikos et al. Crit Care. 1999.

Abstract

OBJECTIVE: To determine the effect of the prokinetic agent cisapride in the prevention of aspiration of gastric contents. DESIGN: A prospective randomized two-period crossover study. SETTING: Fourteen-bed polyvalent intensive care unit in a University Hospital. PATIENTS: Eighteen intubated, mechanically ventilated patients who were seated in a semirecumbent position were studied. METHOD: Tc-99 m sulfur colloid (80 megabecquerels) was administered via nasogastric tube on 2 consecutive days. Patients randomly received cisapride (10 mg, via nasogastric tube) one day and a placebo the other. Bronchial secretions were obtained before and for 5 consecutive h after Tc-99 m administration. The radioactivity was measured in a standard amount (1ml) of bronchial fluid using a gamma counter and expressed as counts per min (cpm) after correction for decay. RESULTS: Sixteen out of 18 (88%) patients had increased radioactivity in bronchial secretions. The radioactivity increased over time both with and without cisapride, although it was lower in patients receiving cisapride than in those receiving a placebo. The cumulative bronchial secretion radioactivity obtained when patients received cisapride was significantly lower than when patients received a placebo: 7540 +/- 5330 and 21965 +/- 16080 cpm, respectively (P <0.05). CONCLUSION: Our results suggest that aspiration of gastric contents exists even in patients who are kept in a semirecumbent position. Moreover, cisapride decreases the amount of gastric contents aspiration in intubated and mechanically ventilated patients and may play a role in the prevention of ventilator associated pneumonia. Cisapride, even with the patient in the semirecumbent position, did not completely prevent gastric content aspiration.

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Figures

Figure 1
Figure 1
The radioactivity of bronchial secretions over time. The values at zero time represent the baseline radioactivity. Asterisk (*) denotes statistical significance between cisapride and placebo.
Figure 2
Figure 2
The cumulative radioactivity of bronchial secretions with and without cisapride.
See this image and copyright information in PMC

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