• Ruta Arays, Sahil Goyal, and Kim M Jordan.
• a Internal Medicine , OhioHealth Riverside Methodist Hospital , Columbus , OH , USA.
• Postgrad Med. 2016 Aug 1; 128 (6): 567-72.

AbstractCommon variable immunodeficiency (CVID) is readily considered in patients presenting with recurrent sino-pulmonary infections, however this disease has a broad range of clinical manifestations and diagnosis can be delayed by several years. We present the case of a 44-year-old postpartum female who presented with nausea, vomiting and abdominal distension. Four years prior, she was hospitalized for treatment of immune thrombocytopenia (ITP) with splenectomy and rituximab followed by two episodes of bacterial meningitis despite immunizations. The recurrent meningitis had been attributed to splenectomy and immunotherapy. During this hospitalization, extensive workup for gastrointestinal pathology was negative and she was diagnosed with intestinal pseudo-obstruction. Her hospital course was complicated by development of severe pseudomonas pneumonia, and subsequent immunoglobulin testing and impaired antibody response to vaccines were consistent with CVID. We review the clinical presentation of CVID, its association with autoimmune disease, and treatment implications, specifically the impact of rituximab therapy and splenectomy on immunoglobulin function and risk of serious infection. Intestinal pseudo-obstruction has been reported in children with CVID, but literature search failed to reveal similar presentation in adults. Physicians must consider the heterogeneous clinical manifestations of CVID to avoid delay in diagnosis and treatment. Institution of appropriate therapy with immunoglobulin replacement is important to decrease risk of serious infection.

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