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Chronic angina: definition, prevalence, and implications for quality of life

Benjamin M Scirica1

  • 1TIMI Study Group, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.

Reviews in Cardiovascular Medicine
|November 10, 2009
PubMed

Insights

Chronic angina, often caused by coronary artery disease, significantly impacts quality of life. Both revascularization and optimal medical therapy effectively improve symptoms and daily function for patients with angina.

Area of Science:

  • Cardiology
  • Cardiovascular Medicine

Background:

  • Chronic angina is a common cardiovascular disease symptom, frequently caused by coronary artery blockages.
  • It severely affects patients' functional capacity and quality of life, increasing risks of heart attack and death.
  • Assessing angina severity using tools like the Seattle Angina Questionnaire is crucial for treatment evaluation.

Purpose of the Study:

  • To compare the effectiveness of different treatment strategies for chronic angina.
  • To evaluate the impact of revascularization versus optimal medical therapy on angina symptoms and quality of life.

Main Methods:

  • Review of treatment strategies including immediate revascularization (coronary artery bypass grafting, percutaneous coronary intervention) and optimal medical therapy.
  • Assessment of angina frequency, functional capacity, and quality of life using validated measures.
  • Comparison of outcomes at different time points, including early post-treatment and one-year follow-up.

Main Results:

  • Both revascularization and optimal medical therapy significantly improve angina frequency and quality of life.
  • Immediate revascularization, particularly coronary artery bypass grafting, provides faster symptom relief in the initial months.
  • After one year, treatment differences diminish, with all strategies showing substantial symptom improvement.

Conclusions:

  • Optimal medical therapy and revascularization are effective in managing chronic angina.
  • While revascularization offers quicker initial relief, long-term outcomes are comparable across surgical, percutaneous, and medical approaches.
  • Comprehensive assessment of angina symptoms and quality of life is vital for guiding patient care and treatment selection.

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