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[From dialysate temperature to thermal balance].

F Pizzarelli1

  • 1U.O. Nefrologia Dialisi, Ospedale S.M. Annunziata, Florence. fpizzarelli@yahoo.com

Giornale Italiano Di Nefrologia : Organo Ufficiale Della Societa Italiana Di Nefrologia
|March 8, 2006
PubMed
Summary

Cold dialysis offers cardiovascular benefits by managing patient heat exchange. Tailoring thermal balance during hemodialysis (HD) to individual needs, particularly for hypothermic patients, improves stability and reduces side effects.

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[Guidelines on water and solutions for dialysis. Italian Society of Nephrology].

Giornale italiano di nefrologia : organo ufficiale della Societa italiana di nefrologia·2005

Area of Science:

  • Nephrology and Cardiovascular Physiology
  • Thermoregulation in Medical Treatments

Context:

  • Hemodialysis (HD) temperature significantly impacts cardiovascular (CV) stability.
  • Early findings on 'cold' HD benefits are supported by recent research.
  • Patient heat exchange is influenced by dialysis fluid temperature, patient factors, and environmental conditions.

Purpose:

  • To review the definition and application of thermal variations in hemodialysis.
  • To identify factors influencing patient thermal balance during dialysis.
  • To propose a patient-centered approach to optimizing dialysis temperature for CV stability.

Summary:

  • Cardiovascular stability during hemodialysis (HD) is influenced by complex interactions affecting patient thermal balance.
  • Factors include dialysis fluid temperature, blood flow, extracorporeal circuit characteristics, environmental temperature, pyrogenic effects, and ultrafiltration rate.

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  • Individual patient characteristics, especially baseline body temperature, are crucial; hypothermic patients particularly benefit from cooler dialysis.

    • Impact:

    • Recommends defining dialysis treatments as isothermic, hypothermic, or hyperthermic based on induced body temperature variations.
    • Isothermic HD shows promise for improved CV stability and fewer adverse effects.
    • Highlights the need for comparative studies on hypotension therapies during dialysis.