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Lack of control of high blood pressure and treatment recommendations in Canada

N Khan1, A Chockalingam, N R C Campbell

  • 1The University of Calgary, Calgary, Canada.

The Canadian Journal of Cardiology
|July 11, 2002
PubMed

Insights

Only 41% of Canadian hypertensive patients are appropriately managed per 2001 guidelines. Greater efforts are needed to identify and treat high blood pressure effectively, as 59% remain untreated.

Area of Science:

  • Cardiology
  • Public Health
  • Epidemiology

Background:

  • Hypertension is a significant risk factor for mortality in Canada.
  • Current treatment rates show only 16% of hypertensive Canadians have controlled blood pressure.
  • The 2001 Canadian Hypertension Recommendations advise against pharmacotherapy for low-risk patients without proven benefits from clinical trials.

Purpose of the Study:

  • To determine the proportion of hypertensive patients managed according to the 2001 Canadian Hypertension Recommendations.
  • To assess the appropriateness of hypertension management in a Canadian population.
  • To identify gaps in current hypertension treatment strategies.

Main Methods:

  • Utilized data from the Canadian Heart Health Survey (1986-1992, n=23,129).
  • Assessed nondiabetic hypertensive patients based on 2001 guidelines, considering blood pressure levels, risk factors, and target organ damage.
  • Defined appropriate management as controlled blood pressure (<140/90 mmHg) with pharmacotherapy or no treatment when not indicated.

Main Results:

  • Approximately 25% of hypertensive Canadians were identified as not recommended for pharmacotherapy under the 2001 guidelines.
  • 16% of hypertensive patients achieved controlled blood pressure (<140/90 mmHg) through treatment.
  • Combined, about 41% of hypertensive patients were deemed appropriately managed according to the 2001 recommendations.

Conclusions:

  • A significant proportion of Canadians (59%) have untreated hypertension and may not be managed according to current guidelines.
  • There is a need for enhanced strategies to identify individuals with hypertension.
  • Improved efforts are required to ensure hypertension management aligns with the best available evidence.
Abstract

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