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Intraoperative hypokalemia in pediatric liver transplantation: incidence and risk factors

Victor W Xia1, Bin Du, Albert Tran

  • 1Department of Anesthesiology, David Geffen School of Medicine, University of California, Los Angeles, California 90095-1778, USA. vxia@mednet.ucla.edu

Anesthesia and Analgesia
|August 26, 2006
PubMed

Insights

Hypokalemia (low potassium) is common during pediatric liver transplants, affecting over 70% of patients. Identifying risk factors helps manage potassium levels and prevent complications in these vulnerable children.

Area of Science:

  • Pediatric Anesthesiology
  • Transplant Surgery
  • Critical Care Medicine

Background:

  • Intraoperative potassium disturbances are a concern in pediatric liver transplantation.
  • Hypokalemia is a frequent complication, while hyperkalemia is rare.

Purpose of the Study:

  • To determine the incidence of intraoperative potassium disturbances.
  • To identify risk factors for hypokalemia in pediatric liver transplant recipients.

Main Methods:

  • Retrospective study of 268 children undergoing liver transplantation.
  • Analysis of potassium levels in preperfusion and postreperfusion periods.
  • Multivariate logistic regression to identify predictors of hypokalemia.

Main Results:

  • Hypokalemia occurred in 72.0% of pediatric liver transplant patients.
  • Hypokalemia was more prevalent in the postreperfusion period.
  • Identified specific predictors for hypokalemia in both prereperfusion and postreperfusion phases.

Conclusions:

  • Hypokalemia is the predominant intraoperative potassium disturbance in pediatric liver transplantation.
  • Risk factors for hypokalemia include baseline low potassium, metabolic acidosis, renal function, body weight, and transfusion volume.
  • Proactive potassium replacement is recommended to maintain normokalemia and prevent complications.

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