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Nephrology Dialysis Transplantation, Vol 13, Issue 8 2041-2046, Copyright © 1998 by Oxford University Press

ORIGINAL ARTICLES

Gastrostomy buttons for nutritional support on chronic dialysis

J Coleman, A Watson, C Rance and E Moore
Departments of Dietetics and Nutrition, Paediatric Nephrology, and Surgery, Nottingham City Hospital NHS Trust, Nottingham, UK; Correspondence to: AR Watson, Department of Paediatric Nephrology, Nottingham City Hospital NHS Trust, Hucknall Road, Nottingham NG5 1PB, UK

Rationale. Nutritional support for children on chronic dialysis often involves the use of nasogastric tubes or gastrostomy feeding. We report our experience using gastrostomy buttons (GB) over a 6.6-year period to document their success/failure, the feeding regimens employed and the impact on growth. Design. In 339 patient months of prospective observation, 22 children (14 male) commenced gastrostomy feeding at a median age of 2.3 years (range 0.2-10.3 years). Sixteen patients had an initial gastrostomy catheter inserted at the same time as a chronic dialysis catheter. Eighteen patients were established on continuous cycling peritoneal dialysis (CCPD) and four on haemodialysis (HD). Results. The mean duration of combined gastrostomy feeding and chronic dialysis was 14.5 months (range 2.4-56 months). In 20 of the children followed for 6 months on combined GB feeding and dialysis, the mean protein and energy intakes were 2.5 g/kg bodyweight/day (range 1.7-3.4 g) and 108 kcal/kg bodyweight/day (range 72-129 kcal)/. The mean energy intake achieved was 116% (range 98-155%) of the estimated average requirement (EAR) for energy. The mean percentage of total energy and protein intakes delivered via the GB during the study period was 61% (33-95%) and 61% (23-98%) respectively. Mean height standard deviation score (SDS) was -2.22 prior to GB feeding and -2.06 at the end of the study period (P = 0.005) and mean weight SDS was -2.22 and -1.16 (P = 0.001) respectively. The mean life of the GB was 7.7 months (range 2.6-14 months) with most button changes due to leakage problems. Two episodes of peritonitis were attributable to the GB with one requiring peritoneal dialysis catheter removal due to candida infection. The GB was removed at a mean of 2.8 months (range 0.8-8.3 months) after renal transplantation in 13 children. Conclusion. The gastrostomy button provides a valuable and aesthetically appealing route for nutritional support with few complications. Keywords: children; chronic dialysis; gastrostomy; nutritional support
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