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Early detection and treatment of hypogammaglobulinemia is known to reduce rates of morbidity and the chance of long-term pulmonary complications. Evidence shows that there is an association between achieving higher IgG levels and reduced infection frequency. [ 6 ]
People with this deficiency lack immunoglobulin A (IgA), a type of antibody that protects against infections of the mucous membranes lining the mouth, airways, and digestive tract. It is defined as an undetectable serum IgA level in the presence of normal serum levels of IgG and IgM , in persons older than 4 years.
IgG deficiency is a form of dysgammaglobulinemia where the proportional levels of the IgG isotype are reduced relative to other immunoglobulin isotypes.. IgG deficiency is often found in children as transient hypogammaglobulinemia of infancy, which may occur with or without additional decreases in IgA or IgM.
Humoral immune deficiency (including B cell deficiency or dysfunction), with signs or symptoms depending on the cause, but generally include signs of hypogammaglobulinemia (decrease of one or more types of antibodies) with presentations including repeated mild respiratory infections, and/or agammaglobulinemia (lack of all or most antibody production) which results in frequent severe infections ...
Thymoma with immunodeficiency (also known as "Good syndrome") is a rare disorder that occurs in adults in whom hypogammaglobulinemia, deficient cell-mediated immunity, and thymoma (usually benign) may develop almost simultaneously. [1]: 82 [2] Most reported cases are in Europe, though it occurs globally. [3]
Infusions of immune globulin can reduce the frequency of bacterial infections, and G-CSF or GM-CSF therapy improves blood neutrophil counts. [5]As WHIM syndrome is a molecular disease arising from gain-of-function mutations in CXCR4, preclinical studies identified plerixafor, a specific CXCR4 antagonist, as a potential mechanism-based therapeutic for the disease. [6]
Encouraged by these results, they are starting a clinical trial of xenon gas in people. Xenon gas is an unreactive gas that makes up 0.086 parts per million by volume of the air that we breathe.
Treatment: Immunoglobulin replacement therapy, symptom management: Prognosis: Varies by type; recent studies suggest those with only recurrent infections have little or no reduced life expectancy post-diagnosis, while those with disease-related complications have around 50% survival rate 33 years post-diagnosis: Frequency: Less than 1 in 30,000