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BACKGROUND Takotsubo cardiomyopathy(TTC),a syndrome of acute left ventricular(LV)dysfunction,is characterized by transitory hypokinesis of LV apices with compensatory hyperkinesis of the LV basal region.The symptoms of TTC mimic acute myocardial infarction,without significant coronary stenoses on coronary angiography.Echocardiogram plays a key role in the diagnosis and prognosis of TTC.New indicators from echocardiograms may be helpful in disease evaluation.CASE SUMMARY A 67-year-old man with a 10-year history of non-small cell lung cancer was admitted to our hospital for emerging facial edema and dry cough.Bronchoscopic lavage,brushing,and biopsy were performed to evaluate tumor progression.During this procedure,he complained of left chest pain,nausea,and vomiting,with elevated troponin levels.Electrocardiogram showed sinus bradycardia with ST-segment elevation in I,AVL,and V4 to V6 leads.Coronary angiography revealed mild stenosis in the right coronary artery.Echocardiography showed hypokinesis of LV apices with compensatory hyperkinesis of the LV basal region.At the 7-d follow-up,echocardiographic pressure-strain analysis showed a normal LV ejection fraction,but partial recovery of LV myocardial work,which fully recovered 5 mo later.CONCLUSION This is a case of TTC caused by bronchoscopic operation.We strongly recommend noninvasive myocardial work measured by echocardiographic pressure-strain analysis as a necessary supplementary test for the long-term follow-up of TTC.
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篇名 Takotsubo cardiomyopathy associated with bronchoscopic operation:A case report
来源期刊 世界临床病例杂志 学科 医学
关键词 Takotsubo cardiomyopathy BRONCHOSCOPE Left ventricular myocardial work Case report Non-small cell lung cancer
年,卷(期) 2020,(24) 所属期刊栏目
研究方向 页码范围 6517-6523
页数 7页 分类号 R54
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Takotsubo
cardiomyopathy
BRONCHOSCOPE
Left
ventricular
myocardial
work
Case
report
Non-small
cell
lung
cancer
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世界临床病例杂志
半月刊
2307-8960
北京市朝阳区东四环中路62号楼远洋国际中
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