Approach to hyponatremia in congestive heart failure: a survey of Canadian specialist physicians and trainees

Amanda Miller1, Bonnie Kuehl2, Karthik Tennankore1

  • 1QEII Halifax Sciences Centre, 5092 Dickson Building, 5820 University Avenue, Halifax, Nova Scotia B3H 1V8 Canada.

Insights

Canadian healthcare professionals often mismanage hyponatremia in congestive heart failure (CHF). Inappropriate treatment rates were high, particularly concerning the rate of sodium correction, indicating a need for improved knowledge translation and consistent management strategies for this common complication.

Area of Science:

  • Nephrology
  • Cardiology
  • Internal Medicine

Background:

  • Hyponatremia is a frequent complication in congestive heart failure (CHF).
  • It is associated with decreased patient survival rates.
  • Early identification and proper management are crucial.

Purpose of the Study:

  • To assess Canadian healthcare practitioners' and trainees' approaches to identifying and managing hyponatremia in CHF.
  • To identify gaps in knowledge and practice.

Main Methods:

  • An online survey with 15 multiple-choice questions across 3 case scenarios was used.
  • Participants included Canadian nephrologists, cardiologists, internists, and trainees.
  • Responses were analyzed for accuracy in pathophysiology and management, including diuretic use, saline, urea, vaptans, and sodium correction rates.

Main Results:

  • Overall, 68.7% correctly identified the pathophysiology of hyponatremia in CHF.
  • Hyponatremia was managed inappropriately in 43.6% of cases.
  • Trainees achieved the highest correct response rate (60.3%), but incorrect sodium correction rates were high (61.1% overall).

Conclusions:

  • Significant variations exist in understanding and managing hyponatremia among Canadian specialists and trainees.
  • A more standardized approach to hyponatremia management in CHF is necessary.
  • Formal knowledge translation initiatives may improve consistency.
Abstract

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