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Influence of calcium concentration in haemodialysis fluid on blood pressure control

Jara Ampuero Mencía1, Almudena Vega1, Soraya Abad1

  • 1Hospital General Universitario Gregorio Marañón, Madrid, España.

Nefrologia
|August 5, 2018
PubMed

Insights

Reducing calcium in dialysis fluid effectively treats hypertension in haemodialysis patients. This safe method lowers blood pressure without causing hemodynamic instability, offering a new therapeutic option.

Area of Science:

  • Nephrology
  • Cardiology
  • Internal Medicine

Background:

  • Hypertension is common in haemodialysis patients, increasing cardiovascular risk.
  • Standard treatments often fail to control blood pressure in some patients.
  • Novel therapeutic strategies are needed for resistant hypertension in this population.

Purpose of the Study:

  • To evaluate the efficacy of reducing calcium concentration in dialysis fluid for treating hypertension in haemodialysis patients.
  • To assess the safety and impact on hemodynamic stability of this intervention.

Main Methods:

  • Selected hypertensive patients from a haemodialysis unit.
  • Ensured normovolemic status using bioimpedance spectroscopy.
  • Reduced dialysis fluid calcium concentration to 2.5mEq/l for 12 months.

Main Results:

  • Significant reduction in systolic and diastolic blood pressure observed at 6 and 12 months.
  • No increase in hemodynamic instability despite blood pressure reduction.
  • Plasma parathyroid hormone levels showed a non-significant increase; no side effects reported.

Conclusions:

  • Reducing dialysis fluid calcium to 2.5mEq/l is a safe and effective treatment for difficult-to-manage hypertension in haemodialysis patients.
  • This intervention offers a viable alternative for blood pressure control in this vulnerable population.
Abstract

Keywords:
CalcioCalciumConcentradoConcentrateDialysis fluidHaemodialysisHemodiálisisHypertensionLíquido de diálisisTensión arterial

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