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  • Title: Spontaneous coronary artery dissection and takotsubo syndrome: An often overlooked association; review.
    Author: Y-Hassan S.
    Journal: Cardiovasc Revasc Med; 2018 Sep; 19(6):717-723. PubMed ID: 29502960.
    Abstract:
    Spontaneous coronary artery dissection (SCAD) and takotsubo syndrome (TS) are two cardiovascular syndromes with predilection for women. Both conditions may be preceded by an emotional stress or, for the affected individual, an unusual severe physical exercise. "Restitution ad integrum" occurs in most cases suffering from SCAD or TS with complete angiographic resolution of the dissected vessel and left ventricular dysfunction respectively. Recently, many cases, which were initially diagnosed as TS because of typical left ventricular ballooning pattern showed to have SCAD, have been reported; these cases were deemed to be "SCAD misdiagnosed as TS". The left ventricular wall motion abnormality has been attributed to the ischemia caused by SCAD-affected coronary vessel especially in the left anterior descending artery (LAD) with "wrap-around course". However, the left ventricular ballooning pattern have occurred in patients with SCAD in non-long-wrap-around LAD and SCAD in other coronary branches where coronary ischemia on its own cannot explain the left ventricular ballooning. In this review, sufficient data supporting the evidence for the possibility of coexistence of SCAD and TS is provided. Misdiagnosis of the association of the two conditions may result in mismanagement of the patient with undesirable consequences. Furthermore, the causal links between SCAD and TS is discussed.
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