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Related Experiment Videos

Circulating lymphocyte subsets in human acute pancreatitis

R Pezzilli1, P Billi, E Beltrandi

  • 1Emergency Department, St. Orsola-M. Malpighi Hospital, Bologna, Italy.

Pancreas
|July 1, 1995
PubMed
Summary

Acute pancreatitis patients show altered lymphocyte counts, with lower total, CD4+, and CD8+ T-cell levels compared to healthy individuals. These immunological changes persist during early hospitalization, indicating a significant immune response.

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Area of Science:

  • Immunology
  • Gastroenterology
  • Clinical Medicine

Background:

  • Acute pancreatitis is a serious condition with significant morbidity and mortality.
  • The immunological response in acute pancreatitis is not fully understood.
  • Peripheral lymphocyte subsets play a crucial role in immune regulation.

Purpose of the Study:

  • To investigate peripheral lymphocyte subsets in patients with acute pancreatitis.
  • To understand the immunological response during the early course of acute pancreatitis.
  • To compare lymphocyte subset counts in acute pancreatitis patients with healthy and non-pancreatic acute abdomen controls.

Main Methods:

  • Flow cytometric analysis was used to quantify total lymphocyte and subset counts.
  • Patients were studied within 48 hours of pain onset and for 5 consecutive days.

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  • Control groups included healthy subjects and patients with non-pancreatic acute abdomen.

    • Main Results:

    • Acute pancreatitis patients exhibited significantly higher leukocyte counts compared to healthy subjects.
    • Total lymphocyte, CD4+, CD8+, CD3+ DR-, and CD3- DR+ lymphocyte counts were significantly lower in acute pancreatitis patients than in controls.
    • These altered lymphocyte counts persisted on days 3 and 5 of hospitalization.

    Conclusions:

    • Acute pancreatitis is associated with significant alterations in peripheral lymphocyte subsets.
    • The observed lymphopenia suggests a dysregulated immune response during the early phase of the disease.
    • Further research is needed to elucidate the clinical implications of these immunological changes.