Establishment of national primary immunodeficiency network, requisite of health organization and final stage of polio eradication: Review article

Aghamohammadi, A. and Shaghaghi, M. and Abolhassani, H. and Yazdani, R. and Zahraie, S.M. and Goya, M.M. and Mahmoudi, S. and Rezaei, N. and Shahmahmoodi, S. (2020) Establishment of national primary immunodeficiency network, requisite of health organization and final stage of polio eradication: Review article. Tehran University Medical Journal, 78 (1). pp. 1-8.

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Abstract

Primary immunodeficiency diseases (PIDs) is a diverse group of diseases, characterized by a defect in the immune system. These patients are susceptible to recurrent respiratory infections, gastrointestinal problems, autoimmune diseases, and malignancies. In most cases, patients with primary immunodeficiency disorders have genetic defects and are monogenic disorders that follow a simple Mendelian inheritance, however, some PIDs recognize a more complex polygenic origin. Overall, almost 70 to 90 percent of patients with primary immunodeficiency are undiagnosed. Given that these patients are exposing to respiratory infectious agents and some live-attenuated vaccines, thus they have a high risk to some clinical complications. The administration of oral polio vaccine in patients with PIDs especially can increase the possibility of acute flaccid paralysis. These patients will excrete the poliovirus for a long time through their feces, even though they are not paralyzed. Long-term virus proliferation in the vaccinated individuals causes a mutation in the poliovirus and creates a vaccine-derived polioviruses (VDPVs), which is a major challenge to the final stages of the worldwide eradication of polio. To increase the diagnosis and identification of patients with immunodeficiency and carrying out a national plan for screening patients with immunodeficiency from the fecal excretion of the poliovirus, a possible polio epidemic can be prevented during post-eradication. Development of laboratory facilities in provincial and city centers, improvement of communications among physicians regarding medical consultation and establishment of referring systems for patients by national network lead to improve status of diagnosis and treatment of patients with primary immunodefiicencies. In this context, launching and activating the national network of immunodeficiency diseases is essential for improving the health of children and reducing the cost of the health system of the country. A national network of immunodeficiency can lead to increase awareness of physiciansregarding primary immunodeficiency disorders, improve collaboration among physicians about genetic consultation and establish a practical referral system in Iran that resultsin increased diagnosis and improve treatment of patients with primary immunodeficiency disorders. © 2020 Tehran University of Medical Sciences. All rights reserved.

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