A recent Dutch medical study showed that reduced efficiency of microvessels in the heart is associated with the persistence and increased severity of angina symptoms in some patients, even in the absence of clear blockage in the coronary arteries, but it is not associated with an increased risk of major cardiac complications.
The study, published in the journal "JAMA Cardiology" yesterday Sunday, and included 553 patients who underwent follow-up for an average of 27.5 months, stated that reduced microvascular resistance reserve was not associated with increased rates of death, heart attacks, or strokes, despite its association with persistent chest pain in some patients.
The study was conducted by Dutch researcher Behrouz Yousefi, in collaboration with a team of researchers at Radboud University Medical Center in the city of Nijmegen, with the aim of evaluating the role of measuring microvascular function in monitoring patients suffering from angina without clear narrowing or blockage in the coronary arteries.
The results indicated that assessing the function of these vessels may help understand the causes of persistent chest pain in patients and determine the nature of symptoms, but according to the study's results, it does not constitute a reliable indicator for predicting major cardiac complications. The study highlights the importance of examining microvessels in angina patients who do not show clear blockages in the coronary arteries, to understand the causes of persistent symptoms, improve their monitoring, and develop approaches to managing their health condition.
Angina is chest pain or pressure resulting from insufficient blood and oxygen reaching the heart muscle, and is often associated with narrowing of the coronary arteries or dysfunction of the microvessels.
Source: Syrian Arab News Agency (SANA)
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