SUMMARYThis 23-month-old white boy was first admitted to Jackson Memorial Hospital, Miami, Florida, at one day of age. He had been the product of a normal pregnancy and delivery, and weighed 3.97 kg at birth. At another hospital he was noted to be cyanotic and heart murmur was heard. A sibling had died of heart failure at two weeks of age. On admission the patient was noted to be cyanotic only when cry- From

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Objectives To measure the health-related quality of life (HRQOL) and functional status of children with cardiomyopathy and to determine whether they are correlated with sociodemographics, cardiac status, and clinical outcomes. Study design Parents of children in the Pediatric Cardiomyopathy Registry completed the Child Health Questionnaire (CHQ; age ≥5 years) and Functional Status II (Revised) (age ≤18 years) instruments. Linear and Cox regressions were used to examine hypothesized associations with HRQOL. Results The 355 children evaluated at ≥5 years (median 8.6 years) had lower functioning (CHQ Physical and Psychosocial Summary Scores 41.7 ± 14.4 and 47.8 ± 10.7) than that of healthy historical controls. The most extreme CHQ domain score, Parental Impact-Emotional, was one SD below normal. Younger age at diagnosis and smaller left ventricular end-diastolic dimension z score were associated independently with better physical functioning in children with dilated cardiomyopathy. Greater income/education correlated with better psychosocial functioning in children with hypertrophic and mixed/other types of cardiomyopathy. In the age ≥5 year cohort, lower scores on both instruments predicted earlier death/transplant and listing for transplant in children with dilated and mixed/other types of cardiomyopathy (P < .001). Across all ages (n = 565), the Functional Status II (Revised) total score was 87.1 ± 16.4, and a lower score was associated with earlier death/transplant for all cardiomyopathies. Conclusions HRQOL and functional status in children with cardiomyopathy is on average impaired relative to healthy children. These impairments are associated with older age at diagnosis, lower socioeconomic status, left ventricular size, and increased risk for death and transplant. Identification of families at risk for functional impairment allows for provision of specialized services early in the course of disease. Trial registration ClinicalTrials.gov: NCT00005391.

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