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Dyspepsia and gastroparesis in chronic renal failure: the role of Helicobacter pylori

R. Schoonjans, B. Van Vlem, W. Vandamme, N. Van Heddeghem, H. Verdievel, R. Vanholder, N. Lameire and M. De Vos

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Volume 57 (2002) p. 201 - 207

Abstract

R. Schoonjans, B. Van Vlem, W. Vandamme, N. Van Heddeghem, H. Verdievel, R. Vanholder, N. Lameire and M. De Vos

¹Department of Internal Medicine, Gastroenterology Division, and ²Department of Internal Medicine, Renal Division, Ghent University Hospital, Ghent, Belgium
Aims: Many patients with chronic renal failure have dyspeptic symptoms. In the present study, we assessed the Helicobacter pylori (Hp) status, dyspeptic symptoms and gastric emptying rates in uremic patients. The present study was undertaken to compare chronic renal failure patients not under dialysis therapy (predialysis), hemodialysis (HD) patients and peritoneal dialysis (PD) patients for these variables and to search for a possible causative role of Hp. Methods: We used a standardized questionnaire to assess dyspeptic symptoms. Gastric emptying rates were determined by the 13C-octanoic acid breath test. HD patients were examined outside a dialysis session, PD patients were examined with a ?full? abdomen. Specific Helicobacter pylori IgG was measured by a second-generation enzyme-linked immunosorbent assay. Results: Sixty-six HD patients, 58 predialytic patients and 28 PD patients were included. Prevalences of Hp infection were highest in HD patients (46.2%) and predialysis patients (42.3%) compared to PD patients (28.6%) (p < 0.02). On the contrary, the prevalence of dysmotility-like dyspepsia was higher in PD patients (67.9%) when compared to HD patients (33.3%) (p < 0.01) and predialytic patients (53.6%) (difference not significant). Neither dyspepsia nor delayed gastric emptying were related to the presence of Helicobacter pylori IgG antibodies. Conclusion: A positive Helicobacter status based on serology was not related to the presence of dyspepsia or gastroparesis in uremic patients, whether on dialysis therapy or not. Dyspeptic complaints as well as gastroparesis are most prevalent in patients on peritoneal dialysis. The physiopathological mechanisms and clinical impact of these findings merit further investigation.

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