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Treatment of Hypertension due to Hemodialysis

2013-03-24 11:45

Hypertension is a significant cardiovascular risk factor in hemodialysis patients.Cardiovascular disease is one of leading death causes for people on hemodialysis.Therefore,it is important for the patients to keep their blood pressure under control.

Dialysate and dietary sodium restriction

Dialysis can not perform continuously within 24 hours.Between dialysis treatments,fluids and wastes will build up gradually. So a proper diet plays such an important role in managing hypertension. Fluid restriction is often prescribed for people on hemodialysis. Also, the patients should keep low dietary sodium intake and a 2-g sodium diet is commonly recommended.

Additionally,hypertension may due to excess sodium in dialysate. If high blood pressure is related to it, the concentration of sodium should be adjusted.

Drug therapies

The majority of patients on dialysis undergoing standard three times a week treatment need drugs for high blood pressure. There are several classes of antihypertensive drugs for the patients. The patients should choose the right class based on the complications, pharmacokinetics, and hemodynamic effects of these agents.Angiotensin converting enzyme inhibitors and beta blockers are commonly used to control high blood pressure. However, as hemodialysis can remove a large amount of fluids from body a time, it can help lower high blood pressure.In some cases, the patients are not recommended to take antihypertensive drugs before dialysis is performed.

Blood pressure targets

Both hypertension and hypotension are harmful. Lowering blood pressure too much may make fluid removal during dialysis difficult and may increase the discomforts associated with dialysis.By reducing high blood pressure, it can reduce the risk of developing cardiovascular disease. Then what is the blood pressure target for people on hemodialysis? They are suggested that predialysis and postdialysis blood pressure should be 140/90 and 130/80 mmHg,respectively.

Keeping blood pressure under control can improve the dialysis outcome and reduce the incidence of complications. You can consult us on line to get more free advices to control hypertension.


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