2013
DOI: 10.1007/s00399-013-0248-8
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Catecholaminergic polymorphic ventricular tachycardia and midventricular Takotsubo cardiomyopathy: a novel association?

Abstract: Takotsubo cardiomyopathy (TTC) is a recently recognized clinical syndrome characterized by transient ventricular dysfunction in the absence of obstructive coronary artery disease. TTC primarily affects postmenopausal women; TTC in children and adolescents is only rarely reported. Furthermore, simultaneous occurrence of Takotsubo cardiomyopathy and primary electrical diseases has been previously reported in only four recent cases of female patients with congenital long QT syndrome. Here, we report the novel ass… Show more

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Cited by 9 publications
(5 citation statements)
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“…The catecholamine hypothesis as a cause for reoccurring TTS, as in our case, can be further supported by observation of a similar reversible cardiomyopathy with global or focal dysfunction in patients with pheochromocytoma [25], in the setting of acute brain injury and Guillain–Barré autonomic neuropathy, which have also been postulated to be related to catecholamine excess. TTS has been reported as a novel association with catecholaminergic polymorphic VT particularly in young women with congenital LQT [28]. Catecholamine excess has reversible toxic effects on the myocardium, which has been documented in cases of pheochromocytoma [25], [26], [27], [28], [29], [30], [31].…”
Section: Discussionmentioning
confidence: 99%
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“…The catecholamine hypothesis as a cause for reoccurring TTS, as in our case, can be further supported by observation of a similar reversible cardiomyopathy with global or focal dysfunction in patients with pheochromocytoma [25], in the setting of acute brain injury and Guillain–Barré autonomic neuropathy, which have also been postulated to be related to catecholamine excess. TTS has been reported as a novel association with catecholaminergic polymorphic VT particularly in young women with congenital LQT [28]. Catecholamine excess has reversible toxic effects on the myocardium, which has been documented in cases of pheochromocytoma [25], [26], [27], [28], [29], [30], [31].…”
Section: Discussionmentioning
confidence: 99%
“…TTS has been reported as a novel association with catecholaminergic polymorphic VT particularly in young women with congenital LQT [28]. Catecholamine excess has reversible toxic effects on the myocardium, which has been documented in cases of pheochromocytoma [25], [26], [27], [28], [29], [30], [31]. Histological examination of biopsy samples from the affected LV of patients with TTS has shown intracellular accumulation of glycogen, many vacuoles, disorganized cytoskeleton and contractile structure, contraction band necrosis, and increased extracellular matrix proteins, which is associated with clinical states of catecholamine excess [32], [33], [34].…”
Section: Discussionmentioning
confidence: 99%
“…A case was reported of a young female patient with a midventricular TTS variant associated with catecholaminergic (bidirectional) VT developing during a rhinoplasty procedure. 71 The patient was treated with metoprolol and LV function normalized within 2 weeks. A recent retrospective review study reported that among 148 TTS patients, coexistence of TTS and primary electrical diseases was confirmed in 5 cases; catecholaminergic polymorphic VT (n = 1, 18-year-old female), long QT syndrome 1 (LQTS 1) (n = 2, 72-year-old female and 65-year-old female), LQTS 2 (n = 1, 17-year-old female), and LQTS in the absence of mutations (22-year-old female).…”
Section: In-hospital Cardiac Arrestmentioning
confidence: 99%
“…Непрерывно растущее количество публикаций свиде-тельствует о том, что синдром такоцубо может быть ассоциирован с каналопатиями (катехоламинергиче-ской полиморфной тахикардией, синдромом удли-ненного интервала QT), развиваться в результате присоединения миокардита, на фоне коронарного атеросклероза и пр. [21][22][23][24]. Создание его разверну-той классификации -дело недалекого будущего.…”
Section: по характеру наследованияunclassified