The most common cause of renal artery stenosis is atherosclerosis, the same condition that causes narrowing of the arteries in coronary heart disease and stroke, and the risk factors are the same as well. Cholesterol plaques build up along the walls of the renal artery and gradually cause narrowing.
Oxytocin is a commonly used uterotonic that can cause significant and even fatal hypotension, particularly when given as a bolus. The resulting hypotension can be produced by a decrease in systemic vascular resistance or cardiac output through a decrease in venous return.
Why Hypotension Occurs during Dialysis. Hypotension is a common complication of hemodialysis. It is reported that up to 20 percent to 50 percent patients can experience low blood pressure sometime during dialysis. Severe drop of blood pressure may induce arrhythmia and make the patients discontinue dialysis. There are multiple causes why a patient experience hypotension, but having any of the following conditions increases peopleâs risks of experiencing low blood pressure during dialysis: ï¹¡Being old-aged.