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Related Experiment Videos

Mortality and morbidity in common variable immunodeficiency.

Asghar Aghamohammadi1, Nima Pouladi, Nima Parvaneh

  • 1Children's Medical Center, Department of Pediatrics, Tehran University of Medical Sciences, Tehran, Iran. aghamohammadi@sina.tums.ac.ir

Journal of Tropical Pediatrics
|December 15, 2006
PubMed
Summary
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Common variable immunodeficiency (CVID) patients face significant complications and mortality. Regular monitoring and timely treatment, including immunoglobulin replacement, are crucial for improving survival rates in CVID patients.

Area of Science:

  • Immunology
  • Clinical Medicine
  • Public Health

Background:

  • Common variable immunodeficiency (CVID) is a primary immunodeficiency characterized by hypogammaglobulinemia and recurrent bacterial infections.
  • Delayed diagnosis and suboptimal treatment of CVID lead to severe, irreversible complications and increased mortality.
  • Understanding long-term outcomes in specific patient populations is essential for improving CVID management.

Purpose of the Study:

  • To investigate the long-term morbidities, mortality rates, and survival probabilities in Iranian patients diagnosed with CVID.
  • To identify factors influencing survival and common complications in a cohort of CVID patients.
  • To emphasize the importance of consistent medical follow-up and treatment adherence.

Main Methods:

Related Experiment Videos

  • A retrospective review of hospital records for 72 Iranian patients diagnosed with CVID between 1984 and 2005.
  • Kaplan-Meier life table analysis was employed to estimate survival probabilities post-diagnosis.
  • Statistical analysis was performed to compare outcomes based on treatment adherence and regular follow-up.

    • Main Results:

    • The most frequent complications observed were bronchiectasis (33.3%), intestinal villous atrophy (15.3%), and failure to thrive (13.9%).
    • Survival probability was estimated at 65% for the first 6.5 years post-diagnosis, decreasing to approximately 45% by 14 years.
    • Patients with irregular visits and no regular IVIG treatment showed significantly higher mortality rates compared to those with timely follow-up (p=0.001).
    • Respiratory failure was the leading cause of death among the studied CVID patients.

    Conclusions:

    • CVID is associated with significant long-term complications and a notable mortality rate, particularly due to respiratory failure.
    • Timely diagnosis, regular medical follow-up, and consistent immunoglobulin replacement therapy are critical for improving survival and managing CVID.
    • Even with regular immunoglobulin therapy, close monitoring for early detection and management of complications is essential for all CVID patients.