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Intradialytic hypotension

Wesley Hayes1, Daljit K Hothi

  • 1Nephrology Department, Nottingham Children's Hospital, Nottingham, UK.

Pediatric Nephrology (Berlin, Germany)
|October 23, 2010
PubMed

Insights

Intradialytic hypotension (IDH) during pediatric hemodialysis (HD) is multifactorial. Strategies like dialysate sodium profiling and relative blood volume (RBV) monitoring improve hemodynamic stability in children undergoing HD.

Area of Science:

  • Pediatric Nephrology
  • Cardiovascular Physiology
  • Dialysis Technology

Background:

  • Intradialytic hypotension (IDH) is a frequent complication in pediatric hemodialysis (HD).
  • Historically attributed to ultrafiltration (UF) and circuit priming, IDH is now understood to have a multifactorial etiology.
  • Chronic IDH episodes contribute to significant multi-system morbidity and increased mortality risk in children.

Purpose of the Study:

  • To review current understanding and management of intradialytic hypotension in pediatric patients.
  • To explore diverse strategies for improving hemodynamic stability during pediatric HD sessions.
  • To identify effective preventative measures and alternative dialysis modalities for refractory cases.

Main Methods:

  • Review of existing literature on pediatric intradialytic hypotension.
  • Analysis of multifactorial causes and immediate management interventions for IDH.
  • Evaluation of preventative strategies including dialysate sodium profiling, UF-guided RBV algorithms, cooling, and intradialytic mannitol.

Main Results:

  • Immediate management involves slowing/stopping UF, fluid bolus administration, or premature HD discontinuation.
  • Preventative strategies such as dialysate sodium profiling, RBV-guided UF, cooling, and intradialytic mannitol show promise.
  • Refractory IDH cases may necessitate switching to hemodiafiltration (HDF) or altered HD schedules (more frequent/prolonged).

Conclusions:

  • Addressing the multifactorial nature of IDH is crucial for effective management in pediatric patients.
  • Several preventative strategies can enhance hemodynamic stability during pediatric HD.
  • Personalized treatment approaches, including modality changes, are essential for managing complex IDH cases.

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