Constrictive pericarditis, intestinal lymphangiectasia, and reversible immunologic deficiency.

Area of Science:

• Immunology
• Gastroenterology
• Cardiology

Background:

• Intestinal lymphangiectasia (IL) is associated with immune deficiencies.
• These include hypogammaglobulinemia, lymphocytopenia, and impaired lymphocyte responses.
• Protein-losing enteropathy often accompanies IL.

Purpose of the Study:

• To investigate the immunologic consequences of intestinal lymphangiectasia.
• To determine if immune function can be restored after treating the underlying cause of IL.
• To support the hypothesis that lymphocyte and immunoglobulin loss causes immune defects in IL.

Main Methods:

• Case study of a patient with constrictive pericarditis, IL, and protein-losing enteropathy.
• Assessment of immune status including hypogammaglobulinemia, lymphocytopenia, and lymphocyte proliferation.
• Monitoring of immune function following surgical correction of constrictive pericarditis.

Main Results:

• The patient presented with characteristic immune deficiencies linked to IL.
• Surgical correction of constrictive pericarditis led to resolution of IL and protein-losing gastroenteropathy.
• A gradual but progressive restoration of normal immune function was observed post-surgery.

Conclusions:

• Reversal of immunologic deficiency in IL is possible with treatment of the primary condition.
• Excessive loss of lymphocytes and immunoglobulins into the GI tract is a likely cause of immune defects in IL.
• This case supports the concept of a reversible immune defect in intestinal lymphangiectasia.