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Comparison of prevention methods of intradialytic hypotension

H Rezki1, N Salam, K Addou

  • 1Nephrology Department, UHC Ibn Rochd, Casablanca, Morocco. hasnaa_rezki@hotmail.com

Insights

Cold dialysate and sodium ramping effectively reduce intradialytic hypotension (IDH) episodes in hemodialysis patients. These methods decrease the need for interventions, improving patient outcomes during dialysis.

Area of Science:

  • Nephrology
  • Cardiovascular Physiology

Background:

  • Intradialytic hypotension (IDH) is a common complication during hemodialysis.
  • Effective prevention strategies are crucial for patient safety and treatment efficacy.

Purpose of the Study:

  • To evaluate the effectiveness of various interventions for preventing intradialytic hypotension (IDH).
  • To compare standard dialysis protocols with modified sodium (Na) concentrations and dialysate temperatures.

Main Methods:

  • Sixteen hemodialysis patients experiencing IDH were studied.
  • Protocols included fixed Na, Na ramping, ultrafiltration alone, cold dialysate, and a combination of Na ramping and cold dialysate.
  • Dialysate composition: bicarbonate, calcium 1.75 mmol/L, Na 140 mmol/L, temperature 37°C (standard).

Main Results:

  • The combination of Na ramping and cold dialysate, as well as cold dialysate alone, significantly reduced IDH episodes compared to standard protocols.
  • Twelve patients (78%) received two 5-hour hemodialysis sessions weekly.
  • Mean interdialytic systolic blood pressure was 110.7 mmHg.

Conclusions:

  • Modulating sodium concentration and using cold dialysate are effective strategies for decreasing IDH episodes.
  • These interventions reduce the need for medical interventions during dialysis sessions.

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