Inverted Takotsubo syndrome in &ITAndroctonus australis&IT scorpion envenomation

被引:14
作者
Abroug, Fekri [1 ,2 ]
Ouanes, Islem [1 ,2 ]
Maatouk, Mezri [3 ]
Golli, Mondher [3 ]
Ouanes-Besbes, Lamia [1 ,2 ]
机构
[1] Univ Monastir, Intens Care Unit, CHU Fatouma Bourguiba, Monastir, Tunisia
[2] Univ Monastir, Res Lab LR12SP15, CHU Fatouma Bourguiba, Monastir, Tunisia
[3] Univ Monastir, Radiol Dept, CHU Fatouma Bourguiba, Monastir, Tunisia
关键词
Scorpion; Takotsubo; cardiomyopathy; HEMODYNAMICS;
D O I
10.1080/15563650.2017.1377221
中图分类号
R99 [毒物学(毒理学)];
学科分类号
100405 ;
摘要
Context: The nature of scorpion-related cardiomyopathy is still a matter of debate where specific toxin-induced cardiomyopathy, ischemic, or catecholaminergic cardiomyopathy is advocated as well. We report two cases of Takotsubo syndrome following envenomation by Androctonus australis, bringing new evidence for the fundamental role of catecholamines in the pathogenesis of this cardiomyopathy. Case 1: A woman aged 36 presented with pulmonary edema and shock following scorpion envenomation. Echocardiography-Doppler showed a LVEF at 30%. Cardiac magnetic resonance (CMR) imaging showed a basal ballooning of the left and right ventricles suggestive of an inverted biventricular Takotsubo syndrome. A second CMR performed after recovery was normal. Case 2: A woman aged 45 was admitted for pulmonary edema and shock consecutive to scorpion envenomation. Echocardiography showed a LVEF at 35%. CMR showed a basal ballooning. The patient was discharged four days following admission with a normal LV function on repeat echocardiography examination. Conclusions: Cardiomyopathy in these cases, following scorpion envenomation by Androctonus australis, fulfills the criteria of Takotsubo syndrome. These observations contribute to our understanding of the mechanism, prognosis, and treatment of scorpion-related cardiomyopathy.
引用
收藏
页码:381 / 383
页数:3
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