Tako-Tsubo Syndrome: The Broken Heart Disease
by Prof. Filippo Crea
“In 80% of the patients, symptoms disappear spontaneously after a couple of weeks, leaving no trace behind”, explains Filippo Crea, “whilst in the other cases the damage persists. The fact is that the damage caused by this syndrome is in the heart but not in the coronaries. What we have tried to explain is the mechanism which leads to the onset of these symptoms”.
To perform this analysis, the group led by Crea has studied fifteen women aged on average 68 for a month. Thanks to this study, they were able to identify for the first time the physiopathological mechanism of the disease. “We concentrated on the apical region of the heart”, explains first author Leda Galiuto, “because that is the area where the dysfunction is localized. Due to this, the heart takes on the characteristic shape of an air balloon, or – as the Japanese observed – of a local octopus trap. The Tako-Tsubo is as a matter of fact the name of this pot in Japanese.”
The hypothesis the researchers developed is that the mechanism which influences the dysfunction resides in the spasm of the small coronary vessels, the so-called coronary microcirculation. “To prove our hypothesis we used the myocardial contrast echography, a method we pioneered and which allows us to study the coronary microcirculation in a selective, safe and cheap way at the patient’s bedside”, explains the young researcher. “The microcirculation plays an important role in cardiac diseases”, adds Crea, “and the intense vasoconstriction of these small vessels cannot normally be noticed in a coronarography.”
Researchers have also been able to demonstrate that this microvascular spasm is reversible and, once over the acute phase, the microvascular dysfunction causing the symptoms is also resolved. “Usually patients are not left with any damage, because the lowering of the blood input is sufficiently serious to prevent the heart from contracting properly, and hence the balloon-like shape, but not enough to determine the death of blood cells, which is what normally happens in an infarction”, concludes Crea.”
- http://www.eurekalert.org/pub_releases/2010-04/cuor-aef040710.php
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“Chronic Stress Resulting in ‘Broken Heart’ Syndrome”
“Broken heart syndrome/tako-tsubo cardiomyopathy is a recently described stress-induced cardiomyopathy that is often associated with symptoms suggestive of acute coronary ischemia including chest pain, ST changes and elevated cardiac enzymes. In most cases the syndrome is triggered by profound physical or psychological stress and has an increased incidence in post menopausal women.Here we describe a patient who was admitted with nonspecific abdominal pain and symptoms of ileus that went onto develop Tako-tsubo cardiomyopathy as confirmed by left ventriculography. Unlike previously reported cases, our patient appeared to develop the syndrome as a result of chronic rather than acute stress.” Full article:
Citation: N. Shahid, S. Bruhl, B. Saeed & U. Pandya: “Chronic Stress resulting in ‘Broken Heart’ Syndrome.” “The Internet Journal of Cardiology”, 2009 Volume 7 Number 1
Source: http://coyoteprime-runningcauseicantfly.blogspot.com/2016/11/tako-tsubo-syndrome-broken-heart-disease.html
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