Takotsubo cardiomyopathy (TC) is a syndrome characterized by transient local systolic dysfunction of the left ventricle with no evidence of coronary artery disease or acute plaque rupture. We present the case of 71-year-old woman who developed TC after two-stage surgery for double primary lung cancer. On computed tomography, lung nodules were identified in the left upper and right middle lobes. Based on the diagnosis of double primary lung cancer, we performed two-stage surgery (left upper lobectomy followed by right middle lobectomy). One day after the second surgery, respiratory failure developed. Electrocardiography showed ST segment elevation, serum troponin levels were elevated, and chest x-ray showed acute pulmonary edema. Cardiac catheterization showed no coronary artery disease and apical akinesia. Based on these findings, we diagnosed TC and the patient recovered with supportive treatment.
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