The purpose of this study was to evaluate the efficacy of using a telecommunication system to assist in the outpatient management of pediatric patients with insulin-dependent diabetes. Metabolic control, patients' psychosocial status, family functioning, perceived quality of life, patterns of parental/child responsibility for daily diabetes maintenance, and nursing time-on-task were evaluated. One hundred six pediatric patients (mean age = 13.3 years) were randomly assigned to an experimental or control outpatient clinic for 1 year. Experimental subjects transmitted self-monitoring blood glucose data by modem to the hospital every 2 weeks. Transmitted data were reviewed by nurse practitioners who telephoned subjects to discuss regimen adjustments. Control subjects received standard care with regimen adjustments made by physicians. There were no significant between-group differences for metabolic control, rates of hospitalization or emergency-room visits, psychological status, general family functioning, quality of life, or parent-child responsibility. A significant decrease was noted in nursing time-on-task for experimental subjects.

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Growth failure is a recognized feature of the Prader-Willi syndrome (PWS). Despite evidence that hypothalamic dysfunction accompanies the syndrome, the etiology of this growth failure remains controversial because most patients with PWS are obese. In order to contribute to resolution of this controversy, we performed a retrospective analysis of 16 obese and non-obese PWS children. GH deficiency was diagnosed in 12 of the 16 subjects and occurred independently of weight status. All of the non-obese subjects were GH deficient. Of the 4 GH-sufficient children, 2 were moderately obese and 2 were morbidly obese. One of these children had clinical evidence of GH deficiency including a low IGF-1 level. Only one of the children had evidence of GH deficiency and a normal IGF-1 level, a pattern that could be attributable to obesity. We conclude that most short children with PWS have growth hormone deficiency and that this deficiency probably results from hypothalamic dysfunction.

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