Abstract:
BACKGROUND:Compared with medical therapy, percutaneous coronary intervention (PCI) does not reduce mortality or myocardial infarction in patients with stable angina. Therefore, PCI should be guided by refractory anginal symptoms and not just lesion characteristics. HYPOTHESIS:We hypothesized that angiographic lesion characteristics and stress test results would have a greater role in the decision to proceed with PCI than would symptom severity. METHODS:We performed a retrospective cohort study of patients undergoing elective cardiac catheterization and possible PCI at an academic medical center. Anginal symptoms, optimal medical therapy, antianginal therapy, stress test results, and angiographic lesions (including American College of Cardiology/American Heart Association [ACC/AHA] lesion type) were analyzed. Logistic regression was used to determine predictors of medical management among patients not referred for coronary artery bypass surgery. RESULTS:Of the 207 patients with obstructive lesions amenable to PCI, 163 underwent PCI and 44 were referred to medical therapy. In the multivariable logistic model, the following variables were associated with medical management: advancing age (odds ratio [OR] per 1 year: 0.94, 95% confidence interval [CI]: 0.91-0.98), chronic kidney disease (OR: 0.23, 95% CI: 0.06-0.95), distal location (OR: 0.21, 95% CI: 0.09-0.48), and ACC/AHA type C lesion (OR: 0.08, 95% CI: 0.03-0.22). There was no association with sex, race, symptoms, optimal medical therapy, maximal antianginal therapy, referral status, or type of interventional cardiologist (academic vs private practice). CONCLUSIONS:For patients undergoing cardiac catheterization for stable angina, the decision to proceed to PCI vs medical management appears to depend largely on patient and angiographic characteristics, but not on symptoms or ischemia. Distal and high-risk lesions (ACC/AHA type C) are more often referred for medical therapy.
journal_name
Clin Cardioljournal_title
Clinical cardiologyauthors
Atreya AR,Sivalingam SK,Arora S,Kashef MA,Fitzgerald J,Visintainer P,Lotfi A,Rothberg MBdoi
10.1002/clc.22510subject
Has Abstractpub_date
2016-04-01 00:00:00pages
207-14issue
4eissn
0160-9289issn
1932-8737journal_volume
39pub_type
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