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Nephrol Dial Transplant (2001) 16: 1850-1855
© 2001 European Renal Association-European Dialysis and Transplant Association

Relationship between gastric emptying and clinical and biochemical factors in chronic haemodialysis patients

Gert De Schoenmakere, Raymond Vanholder, Sylvie Rottey, Philippe Duym and Norbert Lameire

Renal Division, Department of Internal Medicine, University Hospital, Gent, Belgium

Background. Gastroparesis is an important side-effect of end-stage renal disease because of its influence on nutritional status.

Methods. In this study, 56 equilibrated haemodialysis patients were evaluated by radioisotopic examination for gastric emptying time. These data were correlated to anthropometrical as well as biochemical parameters.

Results. The half-life time for gastric emptying was 83±34 min in the overall population, compared to 50±15 min in a normal reference population. Prealbumin, mean fibular nerve-conduction velocity and intra- as well as extracorpuscular folic acid were significantly different between patients with the lowest and highest gastric emptying times. Linear correlation analysis between the half-life for residual radioactivity and the remaining parameters yielded a significant correlation for blood urea nitrogen, serum folic acid, intracorpuscular folic acid, serum vitamin B12, serum C-reactive protein, serum prealbumin and mean fibular nerve-conduction velocity.

Conclusions. This study demonstrates that gastric emptying is significantly delayed in end-stage renal disease patients. The delay is associated with changes in biochemical indicators of nutritional status such as serum albumin and prealbumin.

Keywords: end-stage renal disease; gastroparesis; nerve conduction velocity; nutritional status; vitamin B12

Correspondence and offprint requests to: G. De Schoenmakere, Renal Division, Department of Internal Medicine, University Hospital, P/A Vredestraat 9, B-8750 Wingene, Belgium.


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