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Prof.Mohamed S AL Hajjaj Chair, Clinical Sciences Department Academic RankProfessor


  • Medicine and Pulmonology

Research Interests:

  • Bronchial asthma and COPD


MBBS King Saud University Riyadh, Saudi Arabia June, 1981 ABIM American Board of Internal Medicine September, 1986 FRCP(C) The Royal College of Physician & Surgeons of Canada , November, 1987 Respiratory American Board of Respiratory Disease Diseases November, 1988
Professor College of Medicine, University of Sharjah, UAE Formerly Respiratory Division, Department of Medicine, College of Medicine, King Saud University, Riyadh Consultant Physician Internal Medicine and Pulmonology University Hospital Sharjah, UAE Formerly King Khalid University Hospital, Riyadh Head Respiratory Division, Dept of Medicine, KSU June 2006 to October 2008 President Saudi Thoracic Society Part-time Consultant: in Advanced Medicine Center for subspecialties Consultant Pulmonologist, Riyadh, Saudi Arabia UHS, Sharjah, UAE
1. Al Jahdali HH, Baharoon S, Abba AA, Memish ZA, Alrajhi AA, Al Barrak A, Haddad QA, Al Hajjaj MS, Pai M, Menzies D. Saudi guidelines for testing and treatment of latent tuberculosis infection. Ann Saudi Med. 2010 Jan-Feb; 30(1):38-49. 2. Al-Kassimi FA, Abba AA, Al-Hajjaj MS, Alhamad EH, Raddaoui E, Shaikh SA. Asthma Masquerading as Chronic Obstructive Pulmonary Disease: A Study of Smokers Fulfilling the GOLD Definition of Chronic Obstructive Pulmonary Disease. Respiration. 2011; 82(1):19-27. 3. Al Ghobain M, Al-Hajjaj MS, Wali SO. Prevalence of chronic obstructive pulmonary disease among smokers attending primary healthcare clinics in Saudi Arabia. Ann Saudi Med. 2011 Mar-Apr; 31(2):129-33. 4. Al-Hajjaj MS. Difficult-to-treat asthma, is it really difficult?. Ann Thorac Med 2011;6:1-2 5. 12 6. Al Ghobain MO, Al Moamary MS, Al Shehri SN, Al-Hajjaj MS. 7. Prevalence and characteristics of cigarette smoking among 16 to 18 years old boys and girls in Saudi Arabia. Ann Thorac Med. 2011 Jul; 6(3):137-40. 8. 47. Al-Moamary MS, Al-Hajjaj MS, Tamim HM, Al-Ghobain MO, Al-Qahtani HA, Al-Kassimi FA. The reliability of an Arabic translation of the chronic obstructive pulmonary disease assessment test. Saudi Med J. 2011 Oct; 32(10):1028-33. 9. Bazzi MD, Sultan MA, Al Tassan N, Alanazi M, Al-Amri A, Al-Hajjaj MS, Al-Muhsen S, Alba-Concepcion K, Warsy A. Interleukin 17A and F and asthma in Saudi Arabia: gene polymorphisms and protein levels. J Investig Allergol Clin Immunol. 2011; 21(7):551-5. 10. Al Moamary MS, Al Ghobain MA, Al Shehri SN, Alfayez AI, Gasmelseed AY, Al-Hajjaj MS. The prevalence and characteristics of water-pipe smoking among high school students in Saudi Arabia. J Infect Public Health. 2012 Apr; 5(2):159-68. 11. Al Ghobain MO, Al-Hajjaj MS, Al Moamary MS. Asthma prevalence among 16- to 18-year-old adolescents in Saudi Arabia using the ISAAC questionnaire. BMC Public Health. 2012 Mar 26; 12(1):239. 12. Alhamad EH, Al-Kassimi FA, Alboukai AA, Raddaoui E, Al-Hajjaj MS, Hajjar W, Shaik SA. Comparison of three groups of patients with usual interstitial pneumonia. Respir Med. 2012 Aug 4. 13. Al-Kassimi FA, Alhamad EH, Al-Hajjaj MS,Abba AA, Raddaoui E, Shaikh SA. Abrupt withdrawal of inhaled corticosteroids does not result in spirometric deterioration in chronic obstructive pulmonary disease: Effect of phenotyping? Ann Thorac Med 2012; 7:238-42. 14. Al-Moamary MS, Alhaider SA, Al-Hajjaj MS, Al-Ghobain MO, Idrees MM, Zeitouni MO, Al-Harbi AS, Al Dabbagh MM, Al-Matar H, Alorainy HS. The Saudi initiative for asthma - 2012 update: Guidelines for the diagnosis and management of asthma in adults and children. Ann Thorac Med 2012;7:175-204 15. Al Moamary MS, Al Ghobain MO, Al Shehri SN, Gasmelseed AY, Al-Hajjaj MS. Predicting tobacco use among high school students by using the global youth tobacco survey in Riyadh, Saudi Arabia. Ann Thorac Med 2012; 7:122-9 16. Bazzi MD, Sultan MA, Al Tassan N, Alanazi M, Al-Amri A, Al-Hajjaj MS, Al-Muhsen S, Alba-Concepcion K, Warsy A. Interleukin(IL)-17A and IL-17F and asthma in Saudi Arabia: mRNA transcript levels and gene polymorphisms. Afr.J. Biotechnol Vo. 12(23)pp 3615-3621, 5 June 2013 17. Al Ghobain MO, Alhamad EH, Alorainy HS, Hazmi M, Al Moamary MS, Al-Hajjaj MS, Idress MM, Al-Jahdali HH, Zeitouni MO. Spirometric reference values for healthy nonsmoking Saudi adults. Clin Respir J. 2014 Jan;8(1):72-8 18. Al Otair HA, Al-Boukai AA, Ibrahim GF, Al Shaikh MK, Mayet AY, Al-Hajjaj MS. Outcome of pulmonary embolism and clinico-radiological predictors of mortality: Experience from a university hospital in Saudi Arabia. Ann Thorac Med, 2014; 9:18-22. 19. Al Moamary MS, Alorainy H, Al-Hajjaj MS. Pulmonary rehabilitation: A regional perspective evidenced-based review. Ann Thorac Med. 2014 Jan; 9(1):3-7. 20. Al-Muhsen S, Vazquez-Tello A, Alzaabi A, Al-Hajjaj MS, Al-Jahdali HH, Halwani R. IL-4 receptor alpha single-nucleotide polymorphisms rs1805010 and rs1801275 are associated with increased risk of asthma in a Saudi Arabian population. Ann Thorac Med 2014;9:81-6 21. Khan JH, Lababidi HM, Al-Moamary MS, Zeitouni MO, AL-Jahdali HH, Al-Amoudi OS, Wali SO, Idrees MM, Al-Shimemri AA, Al Ghobain MO, Alorainy HS, Al-Hajjaj MS. The Saudi guidelines for the diagnosis and management of COPD. Ann Thorac Med 2014;9:55-76 22. 14 23. Al-Hameed F, Al-Dorzi HM, Shamy A, Qadi A, Bakhsh E, Aboelnazar E, Abdelaal M, AlKhuwaitir T, Al-Moamary MS, Al-Hajjaj MS, Brozek J, Schunemann H, Mustafa R, Falavigna M. The Saudi clinical practice guideline for the diagnosis of the first deep venous thrombosis of the lower extremity. Ann Thorac Med 2015;10:3-15 24. Al Ghobain MO, Al Hajjaj MS, Lababidi H, Alorainy HS. The prevalence of Chronic Obstructive Pulmonary Disease (COPD) in Saudi Arabia (BOLD study). Int J Tuberc Lung Dis. 2015 Oct; 19(10):1252-7.
1. Fellow of the Royal College of Physicians of Canada. 2. Member of the American College of Physicians. 3. Member of the American College of Chest Physicians. 4. Member of the American Thoracic Society. 5. Member of the International Union Against Tuberculosis and Lung Diseases. 6. Fellow of the Academy of Chest Physicians and Surgeons of the American College of Chest Physicians 7. Member of the Asian Pacific Society of Respiratory Diseases. 8. Member and regional representative of the Pan-Arab Thoracic Association. 9. Member of the Saudi Environmental Protection Society. 10. Member of the Saudi Thoracic Society. 11. Head of the founding Committee for the Saudi Thoracic Association. 12. Member of the Saudi Anti-Smoking Society. 13. Member of the National Tuberculosis Control Program Committee. 14. Head of Saudi Thoracic Society.
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