Electrocardiographic Changes in Pregnant Patients With Congenital Heart Disease For the STORCC Investigators.

IF 1.1 4区 医学 Q4 CARDIAC & CARDIOVASCULAR SYSTEMS
Maria A Pabon, Amrit Misra, Kimberlee Gauvreau, Madeline E Duncan, Ava Conklin, Katherine E Economy, Fred M Wu, Thomas Tadros, Anne Marie Valente
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引用次数: 0

Abstract

Background: Electrocardiograms (EKGs) are routinely performed in pregnant patients with pre-existing cardiovascular disease. However, in pregnant patients with congenital heart disease (CHD), EKG changes during gestation have not been explored.

Methods: We performed a retrospective study of pregnant patients with CHD enrolled in the STORCC initiative. Patients were included if they had at least two EKGs across the perinatal period and were grouped by specific conditions: atrial septal defect (ASD), tetralogy of Fallot, congenital pulmonary stenosis, coarctation of the aorta (CoA), bicuspid aortic valve (BAV), systemic right ventricle (SRV), and Fontan circulation. EKG parameters were measured in all available EKGs by two investigators, blinded to diagnosis and time of gestation.

Results: One hundred and seventy pregnant patients were included. There was a statistically significant increase in HR from pre-pregnancy to third trimester in all groups except for those with Fontan and SRV. Patients with ASD and BAV had a statistically significant increase in their QTc (ASD:13 ms, p = 0.017; BAV:7 ms, p = 0.018) during pregnancy. QRS duration was shorter (4 ms) in the third trimester for patients with ASD (p = 0.033) and CoA (p = 0.014). Despite these individual findings, EKG parameters remained within normal limits and regressed to baseline in the postpartum period.

Conclusions: Patients with CHD have statistically significant EKG changes throughout pregnancy, but the values remain within normal limits. Like patients without heart disease, those with CHD increase their HR during pregnancy, except individuals with SRV and Fontan, who appear to lack capacity for physiologic HR augmentation.

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来源期刊
CiteScore
3.40
自引率
0.00%
发文量
88
审稿时长
6-12 weeks
期刊介绍: The ANNALS OF NONINVASIVE ELECTROCARDIOLOGY (A.N.E) is an online only journal that incorporates ongoing advances in the clinical application and technology of traditional and new ECG-based techniques in the diagnosis and treatment of cardiac patients. ANE is the first journal in an evolving subspecialty that incorporates ongoing advances in the clinical application and technology of traditional and new ECG-based techniques in the diagnosis and treatment of cardiac patients. The publication includes topics related to 12-lead, exercise and high-resolution electrocardiography, arrhythmias, ischemia, repolarization phenomena, heart rate variability, circadian rhythms, bioengineering technology, signal-averaged ECGs, T-wave alternans and automatic external defibrillation. ANE publishes peer-reviewed articles of interest to clinicians and researchers in the field of noninvasive electrocardiology. Original research, clinical studies, state-of-the-art reviews, case reports, technical notes, and letters to the editors will be published to meet future demands in this field.
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