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Background Treatment of electrophysiologic (EP) disease in pediatric patients has improved; however, the effects on quality of life (QOL) are unknown. Objective The purpose of this study was to compare QOL within EP disease groups and to other congenital heart diseases, to evaluate the effects of cardiac rhythm devices on QOL, and to identify drivers of QOL in EP disease. Methods Cross-sectional study of patient/parent proxy-reported Pediatric Cardiac Quality of Life Inventory scores (Total, Disease Impact, Psychosocial Impact) in subjects aged 8 to 18 years from 11 centers with congenital complete heart block (CCHB), ventricular tachycardia (VT), supraventricular tachycardia (SVT), and long QT syndrome (LQTS). QOL was compared between EP disease groups and congenital heart disease groups [bicuspid aortic valve (BAV), tetralogy of Fallot (TOF), and Fontan]. General linear modeling was used to perform group comparisons and to identify predictors of QOL variation. Results Among 288 patient–parent pairs, mean age was 12.8 ± 3.0 years. CCHB (μ = 83) showed higher patient Total QOL than other EP disease cohorts ( P ≤ .02; LQTS μ = 73; SVT μ = 74). SVT (μ = 75) and LQTS (μ = 75) had lower patient Total scores than BAV (μ = 81; P ≤ .008). Patient/parent–proxy QOL scores for all EP disease groups were not different than TOF and higher than Fontan. The presence of a cardiac rhythm device was associated with lower QOL scores in LQTS (μ = 66 vs μ = 76; P < .01). Predictors of lower patient/parent–proxy QOL included EP disease type ( P ≤ .03), increased medical care utilization ( P ≤ .04), and no parental college degree ( P ≤ .001). Conclusion Given the significant variation in QOL in EP disease type, stratification by EP disease type and increased medical care utilization may allow for targeted interventions to improve QOL. [ABSTRACT FROM AUTHOR]

Children with long QT syndrome (LQTS) live with the risk of sudden death, activity restrictions, and the need for daily medications. We sought to evaluate the quality of life (QOL), self-perception, and behavior of patients with LQTS as perceived by both patients and their parents and identify predictors of lower QOL. QOL (Pediatric QOL Inventory [PedsQL] and Pediatric Cardiac Quality of Life Inventory [PCQLI]), self-perception, and behavioral inventories were completed by patients with LQTS and their parents. Comparison of PedsQL scores was made to published data for healthy children using t tests, and PCQLI scores were compared with those of patients with differing complexity of congenital heart disease. Mixed modeling was used for multivariable analysis. Sixty-one patients with LQTS were evaluated (age 13.6 ± 3.0 years; male 49%). Compared with healthy children, the PedsQL Total, Psychosocial, and Physical Health Summary scores were significantly lower for patients with LQTS and parent proxy reports (p ≤0.001). In general, PCQLI scores of patients with LQTS and parents were similar to those of patients with tetralogy of Fallot (p ≥0.2), lower than those of patients with bicuspid aortic valve (p ≤0.02), and higher than those of patients with single ventricle (p ≤0.03). Lower patient and parent PCQLI scores were associated with internalizing problems. For parents, the presence of a cardiac device and medication side effects were additionally associated with lower PCQLI scores. In conclusion, patients with LQTS and their parents report lower QOL than normal children secondary to physical and psychosocial factors. Increasing focus on the psychological well-being of these patients is needed in an effort to improve their QOL. [ABSTRACT FROM AUTHOR]