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Symptoms and angiographic findings of patients undergoing elective coronary angiography without prior stress testing.

ABSTRACT: Many patients undergo elective coronary angiography without preprocedural stress testing that may be suitable if performed in patients with more angina pectoris or more frequently identified obstructive coronary artery disease (CAD). Patients in the National Cardiovascular Data Registry CathPCI Registry undergoing elective coronary angiography from July 2009 to April 2013 were assessed for differences in angina (Canadian Cardiovascular Society [CCS] class) and severity of obstructive CAD in those with and without preprocedural stress testing, stratified by CAD history. Given the large sample size, differences were considered clinically meaningful if the standardized difference (SD) was >10%. Of 790,601 patients without CAD history, 36.9% did not undergo preprocedural stress testing. Compared with patients with preprocedural stress testing, patients without preprocedural stress testing were more frequently angina free (CCS class 0; 28.2% with stress test vs 38.5% without, SD = 14.8%) and had similar rates of obstructive CAD (40.1% with stress test vs 35.7% without, SD = 9.0). Of 449,579 patients with CAD history, 44.2% did not undergo preprocedural stress testing. Patients without preprocedural stress testing reported more angina (CCS class III/IV angina: 17.8% vs 13.4%; SD = 11.3%) but were not more likely to have obstructive CAD (78.7% vs 81.1%; SD = 5.8%) than patients with preprocedural stress testing. In conclusion, approximately 40% of patients undergoing elective coronary angiography did not have preprocedural risk stratification with stress testing. For these patients, the clinical decision to proceed directly to invasive evaluation was not driven primarily by severe angina and did not result in higher detection rates for obstructive CAD.

SUBMITTER: Abdallah MS

PROVIDER: S-EPMC4275109 | biostudies-literature | 2014 Aug

REPOSITORIES: biostudies-literature

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Symptoms and angiographic findings of patients undergoing elective coronary angiography without prior stress testing.

Abdallah Mouin S MS Spertus John A JA Nallamothu Brahmajee K BK Kennedy Kevin F KF Arnold Suzanne V SV Chan Paul S PS

The American journal of cardiology 20140516 3

Many patients undergo elective coronary angiography without preprocedural stress testing that may be suitable if performed in patients with more angina pectoris or more frequently identified obstructive coronary artery disease (CAD). Patients in the National Cardiovascular Data Registry CathPCI Registry undergoing elective coronary angiography from July 2009 to April 2013 were assessed for differences in angina (Canadian Cardiovascular Society [CCS] class) and severity of obstructive CAD in thos ...[more]

PMID: 24890987

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Project description:Objective:We aim to evaluate the long-term prognosis of non-ST elevation acute coronary syndrome (NSTE-ACS) patients with high-risk coronary anatomy (HRCA). Background:Coronary disease severity is important for therapeutic decision-making and prognostication among patients presenting with NSTE-ACS. However, long-term outcome in patients undergoing percutaneous coronary intervention (PCI) with HRCA is still unknown. Method:NSTE-ACS patients undergoing PCI in Fuwai Hospital in 2013 were prospectively enrolled and subsequently divided into HRCA and low-risk coronary anatomy (LRCA) groups according to whether angiography complies with the HRCA definition. HRCA was defined as left main disease >50%, proximal LAD lesion >70%, or 2- to 3- vessel disease involving the LAD. Prognosis impact on 2-year and 5-year major adverse cardiovascular and cerebrovascular events (MACCE) is analyzed. Results:Out of 4,984 enrolled patients with NSTE-ACS, 3,752 patients belonged to the HRCA group, while 1,232 patients belonged to the LRCA group. Compared with the LRCA group, patients in the HRCA group had worse baseline characteristics including higher age, more comorbidities, and worse angiographic findings. Patients in the HRCA group had higher incidence of unplanned revascularization (2 years: 9.7% vs. 5.1%, p < 0.001; 5 years: 15.4% vs. 10.3%, p < 0.001), 2-year MACCE (13.1% vs. 8.8%, p < 0.001), and 5-year death/MI/revascularization/stroke (23.0% vs. 18.4%, p = 0.001). Kaplan-Meier survival analysis showed similar results. After adjusting for confounding factors, HRCA is independently associated with higher risk of revascularization (2 years: HR?=?1.636, 95% CI: 1.225-2.186; 5 years: HR?=?1.460, 95% CI: 1.186-1.798), 2-year MACCE (HR?=?1.275, 95% CI?=?1.019-1.596) and 5-year death/MI/revascularization/stroke (HR?=?1.183, 95% CI: 1.010-1.385). Conclusion:In our large cohort of Chinese patients, HRCA is an independent risk factor for long-term unplanned revascularization and MACCE.

Dataset Information

Symptoms and angiographic findings of patients undergoing elective coronary angiography without prior stress testing.

Publications

Symptoms and angiographic findings of patients undergoing elective coronary angiography without prior stress testing.

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