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Trepopnea due to interatrial shunt following lung resection
1Department of Medicine, Mount Sinai Hospital, and University of Toronto, Ontario, Canada.
Chest
|June 19, 1998
Abstract:
Dyspnea and platypnea following pneumonectomy have been reported as a result of right-to-left interatrial shunt. We report on a case of trepopnea with marked positional arterial oxygen desaturation following right middle and lower lobectomy. A similar mechanism was found, with right-to-left interatrial shunting occurring predominantly in the right lateral position. Surgical repair corrected the clinical and physiologic abnormalities.