Hypertension and dialysis

Matthias P Hörl1, Walter H Hörl

  • 1Diabetes Research Institute, University of Düsseldorf, Germany.

Insights

High blood pressure is common in dialysis patients, increasing cardiovascular disease risk. Managing hypertension involves lifestyle changes, dialysis adjustments, and medications, with optimal targets similar to the general population.

Area of Science:

  • Nephrology
  • Cardiology
  • Internal Medicine

Background:

  • Dialysis patients exhibit high mortality rates, significantly linked to chronic hypertension and cardiovascular disease (CVD) risk factors.
  • Hypertension in this population exacerbates risks for left ventricular hypertrophy, coronary artery disease, congestive heart failure, and cerebrovascular events.

Purpose of the Study:

  • To review the challenges and therapeutic strategies for managing hypertension in patients undergoing dialysis.
  • To outline current recommendations for blood pressure control in the dialysis population.

Main Methods:

  • Review of therapeutic options for blood pressure normalization in dialysis patients.
  • Discussion of dietary modifications, dialysate composition adjustments, and various hemodialysis schedules (long, short daily, nocturnal).
  • Consideration of factors affecting blood pressure in peritoneal dialysis, including residual renal function and hyperhydration.

Main Results:

  • Dietary salt/fluid restriction and reduced dialysate sodium are key interventions.
  • Alternative hemodialysis schedules may offer benefits for blood pressure control.
  • Avoiding hyperhydration is crucial for peritoneal dialysis patients; antihypertensive medications like ACE inhibitors, beta-blockers, and calcium channel blockers are recommended when necessary.

Conclusions:

  • Optimal blood pressure targets for dialysis patients are consistent with general population guidelines.
  • A multi-faceted approach combining lifestyle, dialysis modality adjustments, and pharmacotherapy is essential for effective hypertension management in dialysis patients.

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