Related Experiment Video
Updated: Jul 13, 2026

A Murine Model of Hemodialysis Access-Related Hand Dysfunction
Published on: May 31, 2022
Asymptomatic gastric angiodysplasia in chronic hemodialysis patients: case reports
K Charfeddine1, K Kammoun, M Kharrat
1Department of Nephrology, University Hospital, Sfax, Tunisia.
Insights
Gastrointestinal (GI) angiodysplasia, a vascular lesion, commonly causes bleeding in chronic renal failure (CRF). This study found asymptomatic angiodysplasia in three hemodialysis patients, suggesting its incidence may be underestimated in CRF populations.
Area of Science:
- Gastroenterology
- Nephrology
- Vascular Medicine
Background:
- Gastrointestinal (GI) angiodysplasia is a recognized vascular malformation.
- It is a frequent cause of GI bleeding, particularly in patients with chronic renal failure (CRF).
- The prevalence and clinical presentation in CRF patients undergoing hemodialysis require further investigation.
Purpose of the Study:
- To report the occurrence of asymptomatic GI angiodysplasia in adult patients with CRF on chronic hemodialysis.
- To highlight the potential underestimation of angiodysplasia incidence in this patient group.
- To contribute to the understanding of GI vascular lesions in the context of renal disease.
Main Methods:
- Case series reporting on three adult patients undergoing chronic hemodialysis.
- Longitudinal observation over a four-year period.
- Monitoring of hemoglobin levels and iron/erythropoietin (EPO) therapy status.
Main Results:
- Three adult patients on chronic hemodialysis were found to have asymptomatic GI angiodysplasia.
- Hemoglobin levels remained stable throughout the four-year observation period.
- None of the patients received iron supplementation or erythropoietin (EPO) therapy during the study.
Conclusions:
- Asymptomatic GI angiodysplasia can occur in patients with CRF on chronic hemodialysis.
- The incidence of GI angiodysplasia in CRF patients may be higher than currently recognized.
- Further research is warranted to elucidate the true prevalence and management strategies for angiodysplasia in CRF.
Abstract:
Gastrointestinal (GI) angiodysplasia is a vascular lesion. It is a common cause of GI bleeding in chronic renal failure (CRF). We report three adult chronic hemodialysis patients with asymptomatic angiodysplasia. Over a period of four years, the hemoglobin level was stable and none of our patients received iron supplementation or erythropoietin (EPO) therapy. Incidence of angiodysplasia may be underestimated in the CRF patients. Further studies may be needed.
Related Concept Videos
Hemodialysis II: Procedure and Complications
Hemodialysis I: Introduction
Chronic Kidney Disease III: Interprofessional Care
Chronic Kidney Disease II: Clinical Manifestations
Peritoneal Dialysis II: Peritoneal Dialysis Systems and Complications
Chronic Kidney Disease I: Introduction