Intractable watery diarrhea, ganglioneuroblastoma, and vasoactive intestinal peptide.
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Biomedical subjects
Publications and source records attributed to F R Sinatra.
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The calorie and protein requirements wer studied in 6 pediatric patients with acute nonlymphocytic leukemia treated in a laminar air flow unit. Calorie and protein requirements were estimated from anthropometric data. Mean total caloric requirement for weight maintenance was 136% of estimated basal metabolic rate, which is much lower than the RDA for healthy children. The mean protein requirement was 108% RDA. Provision of intravenous nutrients depressed oral intake. Infection had a deleterious effect on visceral protein status as determined by serum albumin.
Eighteen pediatric oncology inpatients had 21 Hickman right atrial catheters placed for total venous access; 16 patients received parenteral nutrition. Mean duration of catheterization was 43 +/- 29 (SD) days. Four catheters had to be removed for infection or clotting. The catheter-related sepsis rate was 10%. Serious catheter-related complications were no more frequent in this population than in patients receiving only parenteral nutrition via Broviac or pediatric Broviac catheters.
Inadequate arginine intake has been suggested as an etiology for hyperammonemia in neonates on parenteral nutrition. We randomized 26 nonasphyxiated neonates to receive amino acid solutions containing either 3.6 or 10.4% of total nitrogen as arginine when intravenous nutrition (IVN) therapy was initiated. Neonates in both amino acid solution study groups were observed to have significantly elevated blood ammonia (BA) concentrations during IVN (p less than 0.01) as compared to pre-IVN levels. Blood ammonia concentrations tended to be higher in infants receiving the 3.6% arginine amino acid solution. Septic infants were at particular risk for hyperammonemia as compared to nonseptic patients (p less than 0.025). Other clinical parameters including birth weight, gestational age, oxygen requirements, enteral nutritional intake, congenital anomalies, and heart disease did not appear to be related to BA concentration.
We provided partial peritoneal alimentation to a 1.69-kg 11-month-old premature infant who had no available central venous access, depleted peripheral venous access, and gastrointestinal dysfunction. A cuffed silastic catheter was surgically inserted into the suprahepatic space. An alimentation solution was continuously infused into the peritoneum for 28 days to supplement peripheral venous and nasogastric alimentation and contributed 42 +/- 15% of total calories daily. Weight gain was achieved, but complications included hypoglycemia, hypophosphatemia, intravascular dehydration, catheter site leakage, ascites, and hydrocele. At autopsy 11 months later, lipid accumulation was present in the upper peritoneum and the hilar regions of the lungs secondary to preexisting lymphatic obstruction. Partial peritoneal alimentation may be feasible when other access routes are inadequate, but lymphatic obstruction is a contraindication to the peritoneal administration of lipid emulsions.