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[Digestive manifestations of common variable immunodeficiency].
V Estrada Pérez1, J Pérez de la Serna, J García Paredes
1Servicio de Medicina Interna III, Hospital Clínico de San Carlos, Universidad Complutense, Madrid.
Revista Clinica Espanola
|February 1, 1991
Summary
Common variable immunodeficiency (CVID) can present with significant digestive issues like chronic diarrhea and malabsorption. Immunoglobulin replacement therapy offers a favorable prognosis for these CVID patients.
Area of Science:
- Immunology
- Gastroenterology
- Clinical Medicine
Background:
- Common variable immunodeficiency (CVID) is a primary immunodeficiency characterized by low immunoglobulin levels and impaired B-cell differentiation.
- Digestive manifestations are increasingly recognized in CVID, impacting patient morbidity.
- Understanding these gastrointestinal (GI) symptoms is crucial for timely diagnosis and management.
Observation:
- Four CVID cases with predominant GI symptoms were analyzed.
- Chronic diarrhea and intestinal malabsorption were consistent findings across all cases.
- Associated conditions included lymphoid nodular hyperplasia, Giardia infestation, chronic pancreatitis, aphthous stomatitis, chronic hepatitis, and sideroblastic anemia.
Findings:
- All patients received immunoglobulin (Ig) replacement therapy, showing favorable clinical evolution over at least 14 months.
- One patient exhibited an elevated suppressor T lymphocyte count with an inverted T helper/T suppressor ratio, which improved with cimetidine.
- The study highlights the diverse and severe GI manifestations associated with CVID.
Implications:
- Early recognition of GI symptoms in CVID is vital for effective management.
- Immunoglobulin therapy is a cornerstone treatment, leading to positive outcomes.
- Further research into immune dysregulation in CVID-associated GI conditions may reveal novel therapeutic targets.