The Permanente journal · 2019
Spontaneous Coronary Artery Dissection: Clinical Characteristics, Management, and Outcomes in a Racially and Ethnically Diverse Community-Based Cohort.
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Chen Stephanie, Merchant Maqdooda, Mahrer Kenneth N, Lundstrom Robert J, Naderi Sahar, Goh Anne Ch
Аннотация
CONTEXT: Spontaneous coronary artery dissection (SCAD) is a cause of acute coronary syndrome, which predominantly affects healthy women; however, few data define this vulnerable population.
OBJECTIVE: To identify demographic and clinical characteristics of patients with SCAD and determine outcomes in a community-based cohort.
DESIGN: Retrospective cohort study of patients with SCAD at Kaiser Permanente Northern California during a 10-year period. We compared 111 SCAD cases with 333 healthy, matched controls.
MAIN OUTCOME MEASURES: Predisposing factors, treatment modalities, and inhospital and late outcomes.
RESULTS: Patients with SCAD had a mean age (standard deviation) of 48.1 (11) years; 92.8% were women, and 49.5% were nonwhite. Of women, 9% were peripartum. Fibromuscular dysplasia was identified in 21.8% of femoral angiograms obtained. With conditional logistic regression, only pregnancy and hyperlipidemia were associated with SCAD compared with controls. Fifty-five patients (49.5%) were successfully treated without revascularization; of the 54 who had urgent percutaneous coronary intervention, 2 required coronary artery bypass grafting for SCAD extension. During a median follow-up of 2.6 years, major adverse cardiovascular events occurred in 8.1% of patients. Pregnancy-related SCAD was not associated with worsened outcomes. However, Emergency Department visits or hospitalizations because of recurrent chest pain occurred frequently for 54% of patients with SCAD.
CONCLUSION: The study cohort is comparable to published SCAD cohorts, but notable for a racially and ethnically diverse population. Compared with the controls, only pregnancy and hyperlipidemia were associated with SCAD. For the SCAD cases, major adverse cardiovascular events occurred in 8.1%, and race did not influence outcomes.
OBJECTIVE: To identify demographic and clinical characteristics of patients with SCAD and determine outcomes in a community-based cohort.
DESIGN: Retrospective cohort study of patients with SCAD at Kaiser Permanente Northern California during a 10-year period. We compared 111 SCAD cases with 333 healthy, matched controls.
MAIN OUTCOME MEASURES: Predisposing factors, treatment modalities, and inhospital and late outcomes.
RESULTS: Patients with SCAD had a mean age (standard deviation) of 48.1 (11) years; 92.8% were women, and 49.5% were nonwhite. Of women, 9% were peripartum. Fibromuscular dysplasia was identified in 21.8% of femoral angiograms obtained. With conditional logistic regression, only pregnancy and hyperlipidemia were associated with SCAD compared with controls. Fifty-five patients (49.5%) were successfully treated without revascularization; of the 54 who had urgent percutaneous coronary intervention, 2 required coronary artery bypass grafting for SCAD extension. During a median follow-up of 2.6 years, major adverse cardiovascular events occurred in 8.1% of patients. Pregnancy-related SCAD was not associated with worsened outcomes. However, Emergency Department visits or hospitalizations because of recurrent chest pain occurred frequently for 54% of patients with SCAD.
CONCLUSION: The study cohort is comparable to published SCAD cohorts, but notable for a racially and ethnically diverse population. Compared with the controls, only pregnancy and hyperlipidemia were associated with SCAD. For the SCAD cases, major adverse cardiovascular events occurred in 8.1%, and race did not influence outcomes.