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Trepopnea Due to Interatrial Shunt Following Lung Resection FREE TO VIEW

Salem Alfaifi; Stephen E. Lapinsky
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From the Department of Medicine, Mount Sinai Hospital, and University of Toronto, Toronto, Ontario, Canada

1998 by the American College of Chest Physicians

Chest. 1998;113(6):1726-1727. doi:10.1378/chest.113.6.1726
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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.




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