We have some work from our basic science colleagues here at Houston Methodist that shows that COVID affects the endothelial cells and makes them less active. You're finding that COVID gets in the way? So, let's relax and open the arteries so more blood is delivered. Your endothelial cells signal to the arteries that it's time to dilate because Sam is exercising, and he needs more blood delivered to his heart. The cells that are possible for dilating your arteries when you are exercising. This study pointed to endothelial cells as a sign of how COVID affects the heart. And we know from prior studies that this decrease in blood flow to the heart is not a benign condition and if persists, that is associated with a worse outcome. When their heart needs more blood there not getting it fully.Ĥ0 to 50% of these patients actually had this decreased blood flow to the heart. This may potentially in part explain why these patients continue to have chest pain or shortness of breath. We noted in this study that among those patients with prior COVID infection, there was a nearly 20% decrease in the amount of blood that is supplied to the heart muscle. The arteries dilate so you can get enough blood to the heart, so your heart can function and provide enough blood to the entire body and muscles.
Usually, when normal people exercise or move around, their heart needs more blood. Why did you decide to look at arteries in studying long COVID?
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