Primary prevention of cardiovascular disease: new guidelines, technologies and therapies

Mark R Nelson1, Jennifer A Doust

  • 1Discipline of General Practice, University of Tasmania, Hobart, TAS, Australia. Mark.Nelson@utas.edu.au

Insights

Australian guidelines now prioritize absolute cardiovascular disease (CVD) risk assessment over individual factors. High-risk patients (>15%) require both blood pressure and lipid-lowering treatments for primary CVD prevention.

Area of Science:

  • Cardiology
  • Preventive Medicine
  • Public Health

Background:

  • Primary prevention of cardiovascular disease (CVD) is shifting from managing isolated risk factors to assessing absolute CVD risk.
  • Australian guidelines define absolute CVD risk as the probability of major cardiovascular events within 5 years.

Purpose of the Study:

  • To outline the current Australian guidelines for assessing and managing absolute cardiovascular disease (CVD) risk.
  • To provide guidance on treatment strategies based on calculated absolute CVD risk levels.

Main Methods:

  • Utilizing the Australian absolute CVD risk calculator for patients aged 45+ (or 35+ for Aboriginal and Torres Strait Islander people).
  • Calculating risk using pre-treatment values for patients on blood pressure (BP)-lowering or lipid-lowering agents.
  • Employing oscillometric BP measurements to approximate mean daytime ambulatory BP.

Main Results:

  • High absolute CVD risk patients (>15% over 5 years) should receive both BP-lowering and lipid-lowering agents.
  • Moderate risk patients (10%-15%) may require medication if risk persists post-lifestyle changes, or if BP is ≥ 160/100 mmHg, or based on ethnicity and family history.
  • Specific ethnic groups and individuals with a family history of premature CVD are considered for treatment at moderate risk levels.

Conclusions:

  • Regular assessment of absolute CVD risk is crucial for effective primary prevention of cardiovascular events.
  • Tailored treatment strategies, combining lifestyle modifications and pharmacotherapy, are essential for managing cardiovascular risk in diverse patient populations.
  • The guidelines emphasize a proactive approach to CVD prevention by identifying and treating individuals at elevated risk.

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