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Related Experiment Videos

The nodular duodenum in chronic renal failure.

V N Cassar-Pullicino1, A M Davies, S Hubscher

  • 1Department of Radiology, Queen Elizabeth Hospital, Birmingham.

Clinical Radiology
|May 1, 1990
PubMed
Summary

Chronic renal failure patients often show duodenal abnormalities, specifically nodular filling defects linked to severe uremia. These changes, typical of Brunner's gland hyperplasia, are common in males and unrelated to treatment.

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Area of Science:

  • Gastroenterology
  • Nephrology
  • Radiology

Background:

  • Chronic renal failure (CRF) can lead to various gastrointestinal complications.
  • Duodenal abnormalities are noted in CRF patients, but their specific causes and characteristics require further elucidation.

Purpose of the Study:

  • To investigate the prevalence and nature of duodenal abnormalities in patients with chronic renal failure.
  • To determine the relationship between these abnormalities and the severity of uremia, patient demographics, and treatment modalities.

Main Methods:

  • Retrospective analysis of barium meal examinations in 120 patients diagnosed with chronic renal failure.
  • Radiological findings were correlated with clinical data, including uremia severity, dialysis status, transplantation, and drug therapy.

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  • Endoscopic and histological assessments were performed in relevant cases to confirm diagnoses.

    • Main Results:

    • Duodenal abnormalities were observed in 31% of CRF patients (38 out of 120).
    • Nodular filling defects, characteristic of Brunner's gland hyperplasia, were present in 23% (28 patients).
    • Peptic ulceration was found in 8% (10 patients); nodular changes were linked to uremia severity and predominantly seen in males, independent of treatment.

    Conclusions:

    • Brunner's gland hyperplasia is a common duodenal finding in chronic renal failure, directly associated with uremia.
    • These nodular changes are distinct from peptic ulceration and appear unrelated to dialysis or transplantation.
    • The findings highlight a specific gastrointestinal manifestation of chronic uremia.