Why I Have Low Blood Pressure in Kidney Failure
Low blood pressure rarely appears in patients with kidney failure, because most of them suffer from high blood pressure. why this happen? what causes low blood pressure in kidney failure? read and learn more.
Dialysis is a common therapy for kidney failure patients to remove the excessive water in the body. Removing water can lower your blood pressure at dialysis, which can make you feel wretched during and even after treatment. Why? And how to deal with it?
The human body is made mostly of water and water exists in three “fluid compartments”. Kidneys work to keep a balance of the three form to make you live well. However, in kidney failure patients, a larger amount of water always flows from your blood to your tissues, causing swelling at this condition.
Dialysis is designed to remove the excessive water in your body, but it only deals with the water in your blood. In fact, only a small part of the water weight you gain is in your blood.
During dialysis, pressure forces fluid out of your blood, into the dialysate and down the drain. Thereby, water in your tissues will more into your bloodstream, then it can be removed.
In the 1-4 hour treatment of dialysis, only a little water is in your blood or has time to move there. The dialysis machine keeps pushing, even if the water is not in your blood. And your blood become very dry and your blood pressure decreases rapidly.
If your low blood pressure is very severe, you may be at a risk to develop heart attack, stroke or hyperspasmia etc. Even you stop the dialysis, this will surely harm your health and shorten your life.
Dialysis is always the leading cause of low blood pressure in kidney failure. Besides, over intake of anti-hypertensive drugs may be another trigger.
High blood pressure is a common complication of kidney failure. Kidneys can excrete or regulate various chemical elements in the body. And some of them relates to the blood pressure levels, causing high blood pressure.
In order to alleviate hypertension, anti-hypertensive drugs are suggested for patients. But, if you take over intake of the medicine. Blood pressure may drop down to the normal levels, causing low blood pressure.