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British Journal of Anaesthesia, 2001, Vol. 87, No. 2 204-206
© 2001 The Board of Management and Trustees of the British Journal of Anaesthesia

Clinical Investigations

Pulmonary scintigraphy for diagnosis of aspiration during intravenous propofol anaesthesia for colonoscopy

S. Rezaiguia-Delclaux1, B. Streich1, D. Bouleau1, J.-C. Delchier2, G. Dhonneur1, M. Meignan3 and P. Duvaldestin1

1Department of Anaesthesiology, 2Department of Gastroenterology and 3Department of Nuclear Medicine, Hôpital Henri Mondor, AP-HP, Université Paris XII, 51 avenue du Maréchal de Lattre de Tassigny, F-94010 Créteil, France*Corresponding author

{dagger}Presented in part at the 39th Meeting of the French Society of Anaesthesia and Intensive Care, Paris, France, September 27, 1997.

A specific technique for detection of pulmonary aspiration during the perioperative period is lacking. In this study, we developed a scintigraphic method for its diagnosis. Technetium 99m sulphur colloid was given orally 2 h before an i.v. infusion of propofol in patients undergoing elective colonoscopy. During the procedure, patients were spontaneously breathing 100% oxygen via a face mask. After recovery from anaesthesia, patients had a chest scinti-scan. As a control group, 10 healthy men were studied. The lung scan was considered positive if any tracer activity greater than background level was detected in the lung field. Among 96 patients studied, three patients had a positive chest scinti-scan. One of the three patients developed pneumonia while the other two remained asymptomatic. In none of the control asymptomatic group was tracer detected in the chest. We suggest that this technique is specific and can be used as a tool to assess the risk of pulmonary aspiration during different anaesthetic procedures.

Br J Anaesth 2001; 87: 204–6


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