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Clinical, Laboratory, and Molecular Findings for 63 Patients With Severe Combined Immunodeficiency: A Decade’S Experience Publisher Pubmed



Fazlollahi MR1 ; Pourpak Z1 ; Hamidieh AA2 ; Movahedi M3 ; Houshmand M1, 4 ; Badalzadeh M1 ; Nourizadeh M1 ; Mahloujirad M1 ; Arshi S5 ; Nabavi M5 ; Gharagozlou M3 ; Khayatzadeh A3 ; Dabbaghzade A6 ; Atarod L7 Show All Authors
Authors
  1. Fazlollahi MR1
  2. Pourpak Z1
  3. Hamidieh AA2
  4. Movahedi M3
  5. Houshmand M1, 4
  6. Badalzadeh M1
  7. Nourizadeh M1
  8. Mahloujirad M1
  9. Arshi S5
  10. Nabavi M5
  11. Gharagozlou M3
  12. Khayatzadeh A3
  13. Dabbaghzade A6
  14. Atarod L7
  15. Zandieh F8
  16. Sadeghi Shabestary M9
  17. Mesdaghi M10
  18. Mohammadzadeh I11
  19. Mahdaviani SA12
  20. Eslamian MH13
  21. Pesaran F1
  22. Bahraminia E3
  23. Abolnezhadian F14
  24. Arij Z1
  25. Moin M1
Show Affiliations
Authors Affiliations
  1. 1. Immunology Asthma and Allergy Research Institute (IAARI), Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Hematology-Oncology and Stem Cell Transplantation Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Allergy and Clinical Immunology, Children’s Medical Center, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Department of Medical Genetics, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
  5. 5. Department of Allergy and Clinical Immunology, Hazrat Rasoul Hospital, Iran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Allergy and Clinical Immunology, Mazandaran University of Medical Sciences, Sari, Iran
  7. 7. Department of Pediatrics, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
  8. 8. Department of Allergy and Clinical Immunology, Bahrami Hospital, Tehran University of Medical Sciences, Tehran, Iran
  9. 9. Department of Allergy and Clinical Immunology, Tabriz Children’s Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
  10. 10. Department of Allergy and Clinical Immunology, Mofid Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  11. 11. Department of Immunology and Allergy, Amirkola Hospital, Babol University of Medical Sciences, Babol, Iran
  12. 12. Pediatric Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
  13. 13. Allergy and Clinical Immunology Group, Faculty of Medicine, Hamedan University of Medical Sciences, Hamedan, Iran
  14. 14. Department of Immunology and Allergy, Ahvaz University of Medical Sciences, Ahvaz, Iran

Source: Journal of Investigational Allergology and Clinical Immunology Published:2017


Abstract

Introduction: Severe combined immunodeficiency (SCID) is a life-threatening pediatric disease. We report on the clinical evaluation, immunological assessment, molecular analysis, and outcomes of SCID patients in a tertiary referral center in Iran. Methods: From January 2006 to December 2015, we performed a prospective cohort study in which initial screening and advanced immunological tests were carried out on patients suspected of having SCID. Genetic analysis was also performed to confirm the diagnosis. Results: A total of 63 patients were diagnosed with SCID (43 male [68.3%]). The median age at onset and diagnosis and diagnostic delay were 40 and 110 and 60 days respectively. A total of 49 patients (77.8%) had a history of BCG vaccination, and of these, one-third experienced BCG-associated complications. The most common clinical manifestations were pneumonia, recurrent oral candidiasis, chronic diarrhea, and failure to thrive. Of the thirteen patients who underwent hematopoietic stem cell transplantation, 8 survived and 5 died before they could receive the transplant. Most patients (34.9%) were classified as having T–B–NK+ SCID and had a mutation in the RAG2 or RAG1 gene. Conclusion: Autosomal recessive SCID is the most common type in Iranian patients. Providing high-quality training to physicians and patients’ families to reduce the diagnostic delay should be prioritized. It is also important to raise awareness of live vaccination and to expand stem cell donor registries to speed up the transplantation process. © 2017 Esmon Publicidad.
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