• Annals of Clinical Neurophysiology
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• v.12 no.2
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• pp.66-69
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• 2010

A 73-year-old man with progressive quadriparesis was diagnosed as Guillain-Barr$\acute{e}$ syndrome. On the 6th hospital day, the patient complained of sudden chest discomfort. The blood test and echocardiography suggested myocardial injury, and acute myocardial infarction was considered. However, coronary angiography displayed no vascular lesion, and the electrocardiography and echocardiogram showed marked improvement 14 days later. We concluded the patient had a reversible cardiomyopathy which is a rare complication of Guillain-Barr$\acute{e}$ syndrome.

• Journal of Chest Surgery
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• v.44 no.4
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• pp.294-297
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• 2011

Stress-induced cardiomyopathy is caused by emotional or physical stressors and mimics acute myocardial infarction, though Stress-induced cardiomyopathy is characterized by reversible left ventricular (LV) apical ballooning in the absence of significant coronary artery disease. We describe a 51-year-old male who underwent left upper lobectomy for non-small cell lung cancer, and during which cardiogenic arrest occurred due to stress-induced cardiomyopathy, successfully managed by intra-aortic balloon pumping and extracorporeal membrane oxygenation.

• Journal of Dental Anesthesia and Pain Medicine
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• v.15 no.3
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• pp.157-160
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• 2015

A patient with squamous cell carcinoma on the left mandible presented with symptoms similar to acute coronary syndrome just after surgery. The exact etiology was unclear, but following transthoracic echocardiogram, takotsubo cardiomyopathy was diagnosed. This is a rare, acute, and reversible form of heart failure, and the patient recovered completely within weeks. Related risk factors are believed to include extended surgery times and extended time under general anesthesia. Early recognition, followed by postoperative control of pain and anxiety are crucial to patient recovery.

• Tuberculosis and Respiratory Diseases
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• v.77 no.1
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• pp.24-27
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• 2014

Takotsubo cardiomyopathy (TTC) is defined as a reversible, acute ventricular dysfunction without any evidence of coronary artery obstruction. There have been reports of TTC caused by emotional or physical stress, drug use, hormone imbalance, or medical conditions such as pulmonary disease, sepsis, and trauma, but a relationship between TTC and pulmonary tuberculosis has not previously been reported. From our knowledge, this is the first report of TTC caused by pulmonary tuberculosis.

• Nuclear Medicine and Molecular Imaging
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• v.43 no.6
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• pp.519-525
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• 2009

Purpose: F-18 fluorodeoxyglucose (FDG) uptake of myocardium is influenced by various factors. Increased glycolysis, and subsequent increased F-18 FDG uptake has been reported in ischemic cardiomyopathy. However, clinical significance of incidentally found myocardial F-18 FDG uptake has not been clarified. We retrospectively reviewed the degree and pattern of myocardial uptake in patients without history of ischemic heart disease who underwent torso F-18 FDG PET/CT for evaluation of neoplastic disease. Materials and Methods: From January 2005 to June 2009, 77 patients who underwent F-18 FDG PET/CT and Tc-99m sestamibi stress/rest SPECT within 3 months were enrolled. Results: Of 77 patients, 55 (71.4%) showed increased F-18 FDG uptake in the myocardium. In this population, 40 showed uniform uptake pattern, while 15 showed focal uptake. In patients with uniform uptake, 17 showed decreased uptake in the septum without perfusion defect on myocardial SPECT. Remaining 23 patients showed uniform uptake, with 1 reversible perfusion defect and 1 fixed perfusion defect. In 15 patients with focal uptake, 9 showed increased F-18 FDG uptake in the base, and only 1 of them showed reversible perfusion defect on myocardial SPECT. In the remaining 6 focal uptake group, 4 had reversible perfusion defect in the corresponding wall, and 1 had apical hypertrophy. Conclusion: We demonstrated that septal defect pattern and basal uptake pattern in the myocardium may represent normal variants. Focal myocardial uptake other than normal variants on oncologic torso F-18 FDG PET/CT with routine fasting protocol may suggest ischemic heart disease, thus further evaluation is warranted.