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One-Year Costs Associated with Hospitalizations Due to Aortic Stenosis in Canada

Jean-Eric Tarride1,2, Sandra Lauck3, Madhu K Natarajan4

  • 1Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.

CJC Open
|January 21, 2021
PubMed

Insights

Hospitalizations for aortic stenosis (AS) in Canada incur significant costs, totaling $393 million annually. Patient demographics and outcomes vary by treatment and province, highlighting the need for further research.

Area of Science:

  • Cardiology
  • Health Economics
  • Public Health

Background:

  • Limited data exists on the economic burden of aortic stenosis (AS) hospitalizations in Canada.
  • Aortic stenosis is a significant cardiovascular condition requiring substantial healthcare resources.

Purpose of the Study:

  • To quantify the index and 1-year healthcare costs associated with hospitalized patients diagnosed with aortic stenosis in Canada.
  • To analyze these costs based on different treatment modalities and across Canadian provinces.

Main Methods:

  • Utilized Canadian administrative databases to identify patients hospitalized with aortic stenosis (AS) as their most responsible diagnosis (MRD) in fiscal year 2014/2015.
  • Calculated index admission and 1-year costs, categorizing patients by treatment: surgical aortic valve replacement (SAVR), SAVR with coronary artery bypass graft, transcatheter aortic valve implantation (TAVI), or no intervention.
  • Analyzed data stratified by Canadian provinces.

Main Results:

  • In 2014/15, 7217 Canadians were hospitalized with AS (MRD).
  • The total 1-year hospital cost for AS hospitalizations reached $393 million.
  • Significant variations in patient demographics (mean age 69-82 years) and outcomes (median length of stay 6-12 days) were observed across treatment groups and provinces.

Conclusions:

  • Hospitalizations for aortic stenosis represent a substantial financial burden on the Canadian healthcare system.
  • Further investigation is warranted to understand variations in costs and outcomes related to different treatment strategies and regional differences within Canada.
Abstract

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