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Current screening approaches for antibody deficiency.

Stephen Holding1, Stephen Jolles

  • 1aImmunology Department, Hull & East Yorkshire Hospitals, Hull bDepartment of Immunology, Immune Deficiency Centre for Wales (ICW), University Hospital of Wales, Cardiff, UK.

Current Opinion in Allergy and Clinical Immunology
|October 30, 2015
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Summary
This summary is machine-generated.

Early screening for primary antibody deficiency (PAD) is crucial. Utilizing calculated globulin levels in liver function tests offers a promising approach to reduce diagnostic delays and improve patient outcomes.

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Area of Science:

  • Immunology
  • Rare Diseases
  • Diagnostic Medicine

Background:

  • Diagnostic delay for primary antibody deficiency (PAD) leads to significant morbidity, mortality, and functional impairment.
  • Current screening methods for PAD are challenged by its variable presentation and late diagnosis, often after years of healthcare encounters.
  • Patients with PAD experience numerous clinical and laboratory data points before diagnosis, offering potential for indirect screening.

Purpose of the Study:

  • To review current and future screening strategies for antibody deficiency.
  • To discuss opportunities and challenges in reducing diagnostic delay for PAD.
  • To highlight novel screening approaches for early PAD detection.

Main Methods:

  • Review of existing literature on PAD screening.
  • Analysis of laboratory data, including calculated globulin levels, as a potential screening tool.
  • Exploration of data mining algorithms for analyzing repeated clinical and laboratory encounters.

Main Results:

  • Calculated globulin, a component of liver function tests, shows growing evidence as a viable screening tool for antibody deficiency.
  • Repeated clinical encounters (infections, antibiotic use, cytopenias) combined with laboratory results can aid in earlier PAD diagnosis.
  • Existing approaches have only partially succeeded in shortening the diagnostic odyssey for PAD.

Conclusions:

  • Calculated globulin presents a strong case for use in screening for antibody deficiency.
  • Further research is needed to integrate laboratory results with clinical data for earlier diagnosis of unsuspected antibody deficiency.
  • Reducing diagnostic delay in PAD is essential to mitigate its severe consequences.