Lorraine E. Levitt Katz

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OBJECTIVE Sleep deprivation is associated with increased risk of adult type 2 diabetes mellitus (T2DM). It is uncertain whether sleep deprivation and/or altered sleep architecture affects glycemic regulation or insulin sensitivity or secretion. We hypothesized that in obese adolescents, sleep disturbances would associate with altered glucose and insulin(More)
OBJECTIVE The purpose of this study was to describe the incidence of type 1 diabetes in children in Philadelphia from 2000-2004, compare the epidemiology to the previous three cohorts in the Philadelphia Pediatric Diabetes Registry, and, for the first time, describe the incidence of type 2 diabetes. RESEARCH DESIGN AND METHODS Diabetes cases were obtained(More)
OBJECTIVE The study objective was to examine the prevalence of depressive symptoms and relationships to quality of life and demographics in the Treatment Options for Type 2 Diabetes in Adolescents and Youth (TODAY) study's large, ethnically diverse youth with type 2 diabetes. RESEARCH DESIGN AND METHODS A total of 704 youth with type 2 diabetes <2 years'(More)
BACKGROUND/OBJECTIVES Obstructive sleep apnea syndrome (OSAS) may be a cardiovascular disease (CVD) risk factor independently of obesity in adults. Pediatric studies have associated OSAS with endothelial dysfunction, but few studies have examined relationships between OSAS and macrovascular sequelae. Our objective was to examine OSAS's independent(More)
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