ABDUL-LATIF HAMDAN, MD, EMBA, MPH, FACS AMERICAN UNIVERSITY OF MEDICAL CENTER DEPARTMENT OF OTLARYNGOLOGY P.O.Box: 110236 Beirut, Phone. 961 1 350000 ext.7484 , 961 3 299999 e-mail: [email protected]

Personal Information

Date of Birth 16/12/1962

Place of Birth Beirut

Nationality Lebanese

Marital Status Married

Education

Diploma in strategy and Innovation Oxford University (2014- 2015)

Master in Health Management Ecole Superieure des Affaires (2008-2010)

Masters in Hospital Administration Ecole Superieure des Affaires (2008-2010)

Executive Masters in Business Administration American University of Beirut (2007-2009)

Fellowship Vanderbilt University Medical Center, Nashville

Department of Otolaryngology (1992-1993)

Residency American University of Beirut Medical Center

Department of Otolaryngology (1989-1992)

Residency American University of Beirut Medical Center

Department of General Surgery (1988-1989)

Internship American University of Beirut Medical Center

Internship in General Surgery (1988)

Doctor of Medicine American University of Beirut

Medical School (1987)

Bachelor of Science American University of Beirut

Bachelor of Science, Mathematics (1983)

Academic Appointments

August 2014-Present Medical Director of Strategy and Innovation

American University of Beirut Medical Center

April 2012-Present Head, Division of Laryngology

Department of Otolaryngology Head and Neck Surgery

American University of Beirut Medical Center

June 2011-Present Professor

Department of Otolaryngology Head and Neck Surgery American University of Beirut Medical Center

Feb 2011 – 2014 Vice Chairman

Department of Otolaryngology Head and Neck Surgery

American University of Beirut Medical Center

Feb 2011 – 2015 Chairman, Faculty Development Committee

Faculty of Medicine

American University of Beirut Medical Center

Feb 2011 – 2015 Chairman, Research Committee

Department of Otolaryngology Head and Neck Surgery

American University of Beirut Medical Center

June 2010-Present Founder /Director of “Hamdan Voice Unit”

Department of Otolaryngology Head and Neck Surgery

American University of Beirut Medical Center

July 2010 –June 2011 Associate Professor

Department of Otolaryngology Head and Neck Surgery

American University of Beirut Medical Center

July 2002 – June 2010 Clinical Associate Professor

Department of Otolaryngology Head and Neck Surgery

American University of Beirut Medical Center

July 1995 – June 2002 Clinical Assistant Professor

Department of Otolaryngology Head and Neck Surgery

American University of Beirut Medical Center

July 1993 – June1995 Instructor

Department of Otolaryngology Head and Neck Surgery American University of Beirut Medical Center

Other Appointments/ memberships

April 2018-present Treasurer, American College of surgeons, Lebanon Chapter

April 2017 Corresponding Fellow of the American Laryngological Association, San Diego, USA

2013-Present Member of the Board of Directors

The Voice Foundation, Philadelphia, USA

2013 – Present Founder and Managing Partner

Practice Right

Healthcare and Medical Practice Management

2013 – Present Founder & President, Lebanese Voice Association

May 2013 – 2014 Member of the Radiation and Safety Committee

American University of Beirut Medical Center

2012 - Present Member of the European Laryngological association

2012 – Present Founder and President of the Voice Foundation Lebanon Chapter

2012 – Present Member of “The Hamdan International Award Committee”

The Voice Foundation, Philadelphia, USA

Feb 2012 – 2013 Member of the Financial Task Committee

American University of Beirut Medical Center

2012 – 2013 Member of the Operating Room Committee

American University of Beirut Medical Center 2011 – Present Advisory Board Member

The Voice Foundation, Philadelphia, USA

2011 – 2016 Chairman of the International Chapter Committee

The Voice Foundation, Philadelphia, USA

2007- 2008 Coordinator

Arab Laryngological Section

Pan Arab Laryngological Society

2002 – 2010 Founder and Director of Specialty Voice Center

Beirut, Lebanon

2002 – Present Member of the American College of Surgeons

2002 – Present Member of the International Association of Phonosurgeons

2002 – Present Member of the European Association of Laryngology

2002- Present Professional Member of Voice Foundation

2002 – Present Member

Lebanese Syndicate of Professional Artists

2002 – Present Member

“Société des Compositeurs et Editeurs de Musique (SACEM)”

1998- 2004 Medical Consultant in Otolaryngology as Professional Opinion

MedNet Insurance and Reinsurance – Lebanon

1999 – 2000 Director, Medical Board

Lebanese United Insurance and Reinsurance

1999 – 2000 Medical Consultant and Advisor

Lebanese United Insurance and Reinsurance

1996 – 1997 Coordinator for Out-Patient Department & Emergency Unit American University of Beirut Medical Center

Awards/Honors

February 2012 Founder of “Hamdan International Award”

The Voice Foundation, Philadelphia, USA

July 2003 Award of Appreciation

Future Television – SuperStar Program

Feb 1983 Dean’s Honor List

American University of Beirut

Feb 1982 Dean’s Honor List

American University of Beirut

June 1981 Dean’s Honor List

American University of Beirut

Licenses

1992 Subspecialty in Otolaryngology Head & Neck Surgery

1991 Medical Practice in Lebanon

Books

2019 Non-laryngeal cancer and Voice: In progress

2019 The Middle Eastern Singing Voice; In progress

2019 Obesity and Voice; Plural Publishing 2018 Laryngeal Manifestations of Systemic Disease; Plural Publishing

2016 Strategic Thinking in a Hospital Setting/ Publishing House: Springer Publishing

2016 Middle Eastern Singing Voice/ In Progress

Publications

1. Hamdan AL, MD; Khalifee E, MD; Al Souky N, MD; Saridar B, MD; Abi Akl PR, MD;

Azar S, MD. The Prevalence of Dysphonia and Dysphagia Symptoms in Patients on Statin

Therapy. J Voice. Accepted for publication on June 25, 2019.

2. Hamdan AL, MD; Abou Rizk S, MD. Unsedated Office-based thulium laser therapy in patients

with vocal fold cysts. ENT. Accepted for publication on May 23,2019.

3. Hamdan AL, Khalifee E, Al Souky N, Saridar B, Abi Akl PR, Ghanem A, Azar S. The

Prevalence of Dysphonia and Dysphagia in Patients with Vitamin D Deficiency. J Voice.

Accepted for publication on March 14, 2019.

4. Hamdan AL, Khalifee E, Jaffal H, Abi Akl P. Laser Partial Arytenoidectomy as an Office

Procedure. ENT. Accepted for publication on February 18, 2019.

5. Hamdan AL, Khalifee E. Adverse Reaction to Restylane: A review of 63 cases of

Injection Laryngoplasty. ENT. Accepted for publication on February 14, 2019.

6. Hamdan AL, Khalifee E, Jaffal H, Ghanem A, El Hage A. Prevalence of dysphagia in patients with MTD. Journal of Laryngology & Otology. Accepted for publication on January 9, 2018. 7. Lechien JR, EUN, Schindler A, Karkos PD, Saussez S, Vaezi MF, Hamdan AL, Barillari MR, Henriquez CC, Finck C. Evaluation and Management of Laryngopharyngeal Reflux Disease: State of the Art Review. Otolaryngology Head and Neck Surgery. Accepted for publication on December 7, 2018. 8. Lechien JR, Hamdan AL, Saussez S. Laryngopharyngeal reflux and benign lesions of the vocal folds.European Archives of Oto-Rhino-Laryngology. 2018.

9. Hamdan AL, Khalifee E, Abi Akl P, Anthony Ghanem A, El Hage A, MPH. Pathogenic

Role of Reinke’s edema in Snoring and Obstructive Sleep Apnea. Journal of Voice. 2018; pii: S0892-1997(18)30495-8. 10. Lechien JR, Saussez S, Schindler A, Karkos PD, Hamdan AL, Harmegnies B, De Marrez LG, Finck C, Journe F, Paesmans M, Vaezi MF.Clinical Outcomes of Laryngopharyngeal reflux Treatment: A Systematic review and Meta-analysis. 2018 Dec. 11. Hamdan Al, Khalifee E, Ghanem A. Application of Thulium Laser as Office-based Procedure in Patients with Vocal Fold Polyps. Journal of Voice. 2018; pii: S0892- 1997(18)30299-6. 12. Lechien J, Schindler A, De Marrez L, Hamdan Al, Karkos P, Harmegnies B, Maria Barillari MR, Finck C, Saussez S. Instruments Evaluating the Clinical Findings of Laryngopharyngeal Reflux: A Systematic Review. The Laryngoscope. Accepted for publication on August 6, 2018. 13. Hamdan Al, Moukarbel R, Khalifee E, Ayoub C. Laryngeal Amyloidosis: Inadvertent Risk for Endotracheal Intubation. MEJA. Accepted for publication on August 6, 2018.

14. Hamdan Al, Khalifee E. Bamboo nodes in a Patient with Rheumatoid Arthritis: Case Report and Review of Literature. MEJA. Accepted for publication on August 6, 2018.

15. Hamdan Al, Khalifee E, Ghanem A, Mansour H, Yammine E. Predictive value of Globus Pharyngeus in Patients with Functional Dysphonia vs. Organic Dysphonia. The Laryngoscope. Accepted for publication on July 16, 2018.

16. Hamdan Al, Khalifee E, Jaffal H, Ghanem A, Abou Rizk S, El Hage A.Prevalence of

dysphagia in patients with non-neoplastic vocal fold pathology. J of Voice. 2018; pii: S0892-1997(18)30179-6. 17. Hamdan Al, Khalifee E, Ziade G. Voice Outcome Measures after Flexible Endoscopic Injection Laryngoplasty. World Journal ORLHNS. 2018; 4(2):130-134. 18. Hamdan AL, Ziade G, El Souky N, Jaffal H, El Natout T. Prevalence of MTD in patients with functional dysphagia. OTO Open Journal. Accepted for publication on March 30, 2018. 19. Macari A, Khandakji M, Hamdan AL. Maxillary Arch Dimensions Associated with Acoustic Parameters in Pre-pubertal Children. The Angle Orthodontist Journal. Accepted for publication on February 28, 2018. 20. Hamdan AL, Khalifee E, Ziade G, Semaan D. Sexual Dimorphism in Laryngeal Volumetric Measurements Using Magnetic Resonance Imaging. ENT journal. Accepted for publication on February 26, 2018. 21. Hamdan AL, Khalifee E, Ghanem A. Injection Laryngoplasty in Patients with

Puberphonia. J Voice.2018; pii: S0892-1997(17)30580-5. 22. Khalifee E, Hamdan AL. Granulomatosis with polyangiitis: implications on anesthetic management. MEJA. Accepted for publication on November 10, 2017.

23. Hamdan Al, Khalifee E, Berjawi G. Unilateral Cricoarytenoid Joint Ankylosis in Rheumatoid Arthritis. ENT journal. Accepted for publication on October 18, 2017.

24. Hamdan AL, Rizk M, Ziade G, Khalifee E, Kasti M. Transoral Injection Laryngoplasty using modified Guedel Oral airway: Preliminary Results. ENT journal. Accepted for publication on September 15, 2017.

25. Hamdan AL, Khalifee E, Tabet G. Unilateral Vocal Fold Paralysis in Parkinson’s Disease: Case Report and Review of the Literature. Journal of Voice.2018;32(6):763-766.

26. Hamdan AL, Tabet G, Btaiche R, Fakhri G, Yatim F, Sarieddine D, Seoud M. Vocal Symptoms and Acoustic Findings in Menopausal Women in Comparison to Pre- Menopause Women with Body Mass Index as a Confounding Variable. Journal of Menopausal Medicine. 2017; 23(2):117-123.

27. Hamdan AL, Haddad G, Haydar A, Hamade R. The 3D printing of the paralyzed vocal

cord: Added value in Injection Laryngoplasty. J of Voice. 2017; 32(4):499-501. 28. Hamdan AL, Tabet G, Saadeddin Z, Btaiche R, Khalifeh I. Apoptosis in Vocal Fold Polyps. J of Voice. 2017; 32(1):104-108. 29. Ziade G, Semaan S, Assaad S, Hamdan AL. Age related changes affecting the cricoarytenoid joint seen on Computed Tomographic Scanning. ENT journal. Accepted for publication on March 28, 2017. 30. Hamdan AL, Tabet G, Fakhri G, Sarieddine D, Btaiche R, Seoud M. Effect of Hormonal

Replacement Therapy on Voice. Journal of Voice. 2017; 32(1):116-121. 31. Hamdan Al, Ziade G, Sarieddine D, Tabri D, Allaw F, Btaiche R, Azar S. Effect of Vitamin

D deficiency on Voice. American Journal of Speech-Language Pathology. 2017; 15;26(3):865-872.

32. Hamdan AL, Fakhri G, Haddad G, Dunya G, Sarieddine D, Turfe B, Tabet G, Azar S. Effect of Vitamin D Deficiency on the laryngo-pharyngeal Tract. American Journal of Otolaryngology. 2017;38(3):333-336. 33. Hamdan Al, Khalifee E. Mixed Laryngocele: Case Report. Middle East Journal of Anesthesiology. Accepted for publication on February 10, 2017. 34. Mudawwar WA, Alam ES, Sarieddine DS, Turfe ZA, Hamdan AL. Effect of renal failure on voice. Ear, Nose & Throat Journal. 2017;96(1):32. 35. Hamdan Al, Rizk M, Ayoub C, Ziade G. “Injection Laryngoplasty through Transoral Approach Using the Guedel Oral Airway; A Novel Technique. Acta Otorhinolaryngologica Italica. 2017;37(5):444-446.

36. Hamdan Al, Mourad M, Fakhri G, Sarieddine D, Khalifee E, Azar S. Vocal Tract Symptoms Severity and Frequency in Patients on Statins. ENT Journal. Accepted for Publication on Dec 21, 2016 37. Macari AT, Karam IA, Ziade G, Tabri D, Sarieddine D, Alam ES, Hamdan AL. Association Between Facial Length and Width and Fundamental Frequency. Journal of Voice. 2017 Jan 3. 38. Hamdan AL, Ziade G, Kasti M, Akl L, Bawab I, Kanj N. Phonatory Symptoms and Acoustic Findings in Patients with Asthma: A Cross-Sectional Controlled Study. Indian Journal of Otolaryngology and Head & Neck Surgery. 2016:1-5 39. Ziade G, Semaan S, Fakhri G, El Natout T, Hamdan AL. Thyroarytenoid muscle uptake and attenuation in PET/CT in elderly. European Archives of Oto-Rhino-Laryngology. 2016 Dec 1;273(12):4385-9. 40. Hamdan AL, Ziade G, Nassar J, Dowli A, Al Zaghal Z, Sibai A. “Frame by Frame Analysis of Glottic Closure in Fasting Subjects. LMJ. Accepted for Publication on Nov. 28, 2016. 41. Traboulsi H, El Natout T, Skaff G, Hamdan AL. Adverse Reaction to Hyaluronic Acid Injection Laryngoplasty: A Case Report. Journal of Voice. 2016 Oct 21. 42. Ziade G, Semaan S, Ghulmiyyah J, Kasti M, Hamdan AL. Structural and Anatomic Laryngeal Measurements in Geriatric Population Using MRI. Journal of Voice. 2016 Aug 18. 43. Hamdan AL, Dowli A, Jabbour J, Sabri A, Azar ST. Phonatory symptoms and impact on quality of life in female patients with goiter. Ear, Nose and Throat Journal. 2016 Jul 1;95(7):248-9. 44. Ziade G, Haddad G, Assaad S, Kasti M, Hamdan AL. Changes in muscle tension pattern following fiberoptic injection laryngoplasty. Ear, Nose & Throat Journal. Accepted for publication on May 31, 2016. 45. Hamdan AL, Ziade G, Turfe Z, Beydoun N, Sarieddine D, Kanj N. Laryngopharyngeal symptoms in patients with chronic obstructive pulmonary disease. European Archives of Oto-Rhino-Laryngology. 2016 Apr 1;273(4):953-8. 46. Ziade G, Hamdan AL, Homsi MT, Kazan I, Hadi U. Spontaneous Transethmoidal Meningoceles in Adults: Case Series with Emphasis on Surgical Management. The Scientific World Journal. 2016 Feb 16;2016. 47. Ziade GK, Karami RA, Fakhri GB, Alam ES, Mourad MM, Hamdan AL, Hadi UM. Reliability assessment of the endoscopic examination in patients with allergic rhinitis. Allergy & Rhinology. 2016 Jan 1;7(3):e135-8.

48. Hamdan AL, Khneisser G, Dowli A, Ziade G, Tamim H. Effect of Religiosity on Voice. Journal of religion and health. 2015 Nov 26:1-9. 49. Macari AT, Ziade G, Khandakji M, Tamim H, Hamdan AL. Effect of rapid maxillary expansion on voice. Journal of Voice. 2015 Nov 10. 50. Macari AT, Ziade G, Turfe Z, Chidiac A, Alam E, Hamdan AL. Correlation Between the Position of the Hyoid Bone on Lateral Cephalographs and Formant Frequencies. Journal of Voice. 2015 Oct 23 51. Ziade G, Kasti M, Sarieddine D, Saaddeddine Z, Hamdan AL. Clinical Application of Nasometry in Patients with Nasal Obstruction. Ear, Nose & Throat Journal. Accepted for publication on October 19, 2015. 52. Hamdan AL, Nassar J, Dowli A, Al Zaghal Z, Sibai A. Electroglottography in Fasting Subjects. J of Voice. Accepted for publication on April 15, 2013. Hamdan AL, Nassar J, Dowli A, Al Zaghal Z, Sibai A. Electroglottography in Fasting Subjects. Journal of Voice. 2015 Mar 31;29(2):165-9. 53. Hamdan AL, Ziade G, Jaffal H, Skaff G. Transnasal Injection Laryngoplasty. Annals of Otology, Rhinology & Laryngology. 2015 Jun;124(6):474-9.

54. Macari AT, Karam IA, Tabri D, Sarieddine D, Hamdan AL. Formants frequency and dispersion in relation to the length and projection of the upper and lower jaws. Journal of Voice. 2015 Jan 31;29(1):83-90.

55. Hamdan AL, Ziade G, Jabbour J, Khneizer G, Kutkut I. NASALANCE SCORES IN LEBANESE ENGLISH-SPEAKING ADULTS USING NASOMETRIC ANALYSIS. Le Journal médical libanais. The Lebanese medical journal. 2015;63(4):203. 56. Hamdan AL, Ziade G, Al-Zaghal Z, Tabri D, Sinno S, Saade R, Jabbour J, Nassar J. FORMANT CHARACTERISTICS OF ENGLISH-SPEAKING LEBANESE MEN. Le Journal médical libanais. The Lebanese medical journal. 2015;63(4):209. 57. Hamdan AL, Safadi B, Chamseddine G, Kasty M, Turfe ZA, Ziade G. Effect of weight loss on voice after bariatric surgery. Journal of Voice. 2014 Sep 30;28(5):618-23.

58. Hamdan AL, Jabbour J, Nassar J, Kasti M, Azar ST. Acoustic Analysis and Perceptual Evaluation of Patients with Non-myxedematous Hypothyroidism. in Advances in Life Sciences and Health on September. 2014;16. 59. Hamdan AL, Jaffal H, Btaiche R, Turfe ZA, Bawab I, Kanj N, Tamim H. Laryngopharyngeal symptoms in patients with asthma: a cross‐sectional controlled study. The clinical respiratory journal. 2014 Aug 1. 60. Hamdan AL, Dowli A, Barazi R, Jabbour J, Azar S. Laryngeal sensory neuropathy in patients with diabetes mellitus. The Journal of Laryngology & Otology. 2014 Aug 1;128(08):725-9. 61. Macari AT, Karam IA, Tabri D, Sarieddine D, Hamdan AL. Correlation between the length and sagittal projection of the upper and lower jaw and the fundamental frequency. Journal of Voice. 2014 May 31;28(3):291-6. 62. Hamdan AL, Trabulsi H, Alam E. Radiology quiz. Right internal jugular vein thrombosis. Middle East journal of anaesthesiology. 2013 Oct;22(3):329. 63. Hamdan AL, Homsi MT, Turfe Z, Boulos F. Pathology Quiz: Oncocystic cyst of the ventricular fold. Middle East Journal of Anesthesiology. 2013 Jun;22(2):213-5 64. Hamdan AL, Sarieddine D. Laryngeal Manifestations of Rheumatoid Arithritis. Review Article. Hindawi Publishing Corporation, Autoimmune diseases, Volume 2013, Article ID 103081, 6 pages. http://dx.doi.org/10.1155/2013/103081. Epub 2013 Jun 25 65. Hamdan AL, Jabour J, Azar ST. Goiter and laryngeal sensory neuropathy. International journal of otolaryngology. 2013 May 29;2013 66. Hamdan AL, Sarieddine D. Larngeal Manifestations of Relapsing Polychondritis. Open Journal of Rheumatology and Autoimmune Diseases .Apr 18, 2013. 67. Yamout B, Zaghal Z, El-Dahouk I, Farhat S, Sibai A, Hamdan AL. Mean Contact Quotient Using Electroglottography in Patients with Multiple Sclerosis. Journal of Voice. 2013 Apr 9. doi:pii: S0892-1997(12)00190-7. 10.1016/j.jvoice.2012.10.016. [Epub ahead of print] 68. Hamdan AL. Cricothyroid Approximation Using a Silastic Sheath: A New Approach. Middle East Journal of Anesthesiology. 2012 Oct;21(6):909-912 69. Hamdan AL, Al Barazi R, Khneizer G, Turfe Z, Sinno S, Ashkar J, Tabri D. Formant Frequency in Relation to Body Mass Composition. Journal of Voice. 2013 Apr 9. doi:pii: S0892-1997(12)00153-1. 10.1016/j.jvoice.2012.09.005. [Epub ahead of print] 70. Hamdan AL, Mokarbel R, Natout M. Angiofibroma of the nasal septum. Middle East Journal Of Anesthesiology. 2012 Feb;21(4):653-5. 71. Hamdan AL, Kahwaji G, Mahfoud L, Husseini S. Cavernous Hemagioma of The Maxillary Sinus: A Rare Cause of Epistaxis. Middle East Journal of Anesthesiology. 2012 Jun; 21(5):757-60. 72. Hamdan AL, Farhat S, Saadeh R, Dahouk I, Sibai A, Yamout B. Voice Related Quality of life in patients with Multiple Sclerosis. Autoimmune Disease.2012;2012:143813. doi: 10.1155/2012/143813. Epub 2012 Oct 2. 73. Hamdan AL , Jabbour J, Barazi R, Korban Z, Azar ST. Prevalance of Laryngopharyngeal Reflux Disease in patients with Diabetes Mellitus. J Voice. 2013 Apr 16. doi:pii: S0892- 1997(12)00111-7. 10.1016/j.jvoice.2012.07.010. [Epub ahead of print] 74. Hamdan AL, Sabra O, RamehCh, Fuleihan N. GlomusVagale: Case Report. Middle East Journal of Anesthesiology. 2012 Jun;21(5):753-5. 75. Hamdan AL, Jabbour J, Saadeh R, Kazan I, Nassar J, Bulbul M. Vocal Changes in Patients with Prostatic Cancer Following Androgen Ablation. Journal of Voice. 2012 Nov;26(6):812.e11-5. 76. Hamdan AL, Nassar J, Dowli A, Zaghal Z, Sabri A. Effect of fasting on laryngopharyngeal reflux disease in male subjects. Eur Arch Oto-rhino-laryngol. Eur Arch Otorhinolaryngol. 2012 Nov;269(11):2361-6 77. Hamdan AL, Jabbour J, Dowli A, El Dahouk I, Azar ST. Prevalence of Laryngopharyngeal Reflux Disease In Patients Diagnosed with Hypothyroidism. ActaEndocrinologica. Endocrine Care doi: 10.4183/aeb.2012.239. Accepted on April 21, 2012. 78. Hamdan AL, NassarJ,Dahouk I, Zaghal Z,Jabbour J, Azar ST. Vocal characteristics in Patients with Thyroiditis. American Journal of Otolaryngology. 2012 Sep-Oct;33(5):600-3. 79. HamdanAL, Kurban Z, Azar ST. Prevalence of phonatory symptoms in patients with type 2 Diabetes Mellitus. ActaDiabetol. 2012 Apr 17. [Epub ahead of print] 80. Hamdan AL, Jabbour J, Al Zaghal Z and Azar S. Goiter and Laryngopharyngeal Reflux. ISRN Endocrinol, 2012;2012:208958. doi: 10.5402/2012/208958. Epub 2012 Mar 5. 81. Hamdan AL, Jabbour J, Nassar J, El-Dahouk I, Azar ST. Vocal Characteristics in Patients with Type 2 Diabetes Mellitus. Eur Arch Otorhinolaryngol.2012 May;269(5):1489-95. 82. Hamdan AL, BaraziA ,TabriD,Khneisser G ,Sinno S, Ashkar J, Hussari A. The Effect of Snoring on Voice: a controlled study of 30 subjects . Ear Nose Throat J. 2012 Jan;91(1):28- 83. Hamdan AL, Nassar J, Al Zaghal Z, El Khoury E, Bsat M, Tabri D. Glottal contact quotient in Mediterranean tongue trill. J Voice. 2012;26(5):669 84. Hamdan AL, Barazi R, Kanaan A, Sinno S, Soubra A. Vocal Symptoms in Women undergoing In Vitro Fertilization . Am J Otolaryngol. 2012 Mar; 33(2):239-43. 85. Hamdan AL, Barazi A ,Tabri D, Saade R ,Kutkut I ,Sinno S, Nassar J.(2011) Relationship between Acoustic Parameters and Body Fat Mass Analysis in Young Males. J Voice 2012;26( 2): 144-147 86. Husseini ST, Ashkar J, Halawi A, Sibai A, Hamdan AL. (2011) Arytenoid Asymmetry in Relation to Posture, Neck Tension and Glottal Attack in Singers. Folia PhoniatrLogop. 2011;63(5):264-8. 87. Hamdan AL, Al-BaraziR ,Ashkar J, Husseini S, Dowli A, Fuleihan N. (2011) Laryngeal Findings and Acoustic changes in Light cigar smokers. ENT Journal. Accepted for publication on November 18, 2011. 88. Hamdan AL, Jabour J, Dowli A, Azar S. (2011) Prevalence of phonatory symptoms and impact on quality of life in patients with Hypothyroidism. Thyroid Science. 89. Hamdan AL,Mahfoud L, Rifai H, RahmehCh, and Fuleihan N. Infiltrative Angiolipoma of the Neck. Middle East J Anesthesiol 2011 Oct ;21(3):433-4. 90. Hamdan AL, Mokarbel R, Tawil A, Kaspar H, Natout M. (2010) Transglottic Basaloid squamous cell carcinoma of the larynx. Middle East Journal of Anesthesiology 2011 21(3):461-64. 91. Berjawi G, Othman I, Mahfoud L, Husseini S, Nassar J, Kotobi A, Hamdan AL. Cricothyroid joint abnormalities in patients with rheumatoid arthritis. J Voice. 2010 Nov;24(6):732-7 92. Hamdan AL, A Sibai, L Mahfoud, D Oubari, N Fuleihan. Short term effect of hubble bubble smoking on voice. J Laryngology Otology. 2011;125(5): 486-91 93. Hamdan AL, Moukarbel R, Tawil A, El-Khatib MF, Hadi U. Tracheal Shwannoma: a misleading entity. Middle East Journal Of Anesthesiology. 2010 Feb;29(4):611-3 94. Hamdan AL, Sibai A, Oubari D, Ashkar J, Fulaihan N. Laryngeal findings and acoustic changes in Hubble Bubble smokers. Eur Arch Otorhinolaryngol. 2010 Oct;267(10):1587-92. 95. Hamdan AL, TanbouziHusseini S., Halawi A., Sibai A. (2010) Arytenoid Asymmetry in Relation to Vocal Symptoms in Singers. J Voice. 2011 Mar;25(2):241-4 96. Hamdan AL, Nassar, J, Ashkar, J, Sibai, A. Prevalence of arytenoid asymmetry in relation to vocal symptoms. J Laryngol Otol. 2011 Mar;125(3):282-7. 97. Hannoun T., Zreik T., Tanbouzi Husseini S., Mahfoud L., Sibai A., Hamdan AL. Vocal changes in patients with polycystic ovary symptom. J Voice 2011 Jul;25(4):501-4. 98. Natout M., Fuleihan N., Sabra O., Aburizk I., Hamdan AL. Primary malignant melanoma of the trachea. Middle East J Anesthesiol. 2010 Feb;20(4):607-9. 99. Hamdan AL, Ashkar J, Sibai A, Oubari D,Husseini ST. (2010) Effect of fasting on voice in males. Am J Otolaryngol. 2011 Mar-Apr;32(2):124-9. 100. Hamdan AL, Deeb R, Sibai A, Rameh C, Rifai H, Fayyad J. (2009) Vocal characteristics in Children with Attention Deficit Hyperactivity Disorder. J Voice.2009;23(2):190-4. 101. Hamdan AL, Geara F, Rameh S, Sibai A, Fuleihan N. (2009) Vocal changes following radiotherapy to the head and neck for non-laryngeal tumors. Eur Arch Otolaryngol. 2009 Sep;266(9):1435-9. 102. Hamdan AL, Shami N, Mahfoud L, Saoud M. (2009) Effect of Pregnancy on the speaking voice. J Voice. 2009 Jul; 23(4):490-3. 103. Yamout B., Hajj T, Sibai A, Sabra O, Rifai H, Nabil Fuleihan, Hamdan AL. (2009) Vocal symptoms and acoustic changes in relation to the expanded disability status scale, duration and stage of disease in patients with multiple sclerosis. Eur. Arch. Otolaryngol. 2009 Nov;266(11):1759-65. 104. Daccarett M, Segerson NM, Hill B, Hamdan AL, Hamdan MH. (2008) Relation of daytime bradyarrhythmias with high risk features of sleep apnea. Am J Cardiol. 2008 Apr 15;101(8):1147-50. 105. Hamdan AL, Abouchakra KS, Al-HazzouriZ, Zeytoun G. (2008) Transient-Evoked Otoacoustic Emissions in a Group of Professional Singers Who Have Normal Pure-Tone Hearing Thresholds. Ear Hear. 2008 Jun;29(3):360-77. 106. Hamdan AL, Deeb R, Tohme RA, Husseini S, Fuleihan N. (2008) Vocal technique in a group of Middle Eastern singers. Folia PhoniatrLogop. 2008;60(4):217-21. 107. Hamdan AL, Sabra O, Hadi U. (2008) Prevalence of Adenoid Hypertrophy in Adults with Nasal Obstruction. J Otolaryngol Head Neck Surg. 2008 Aug;37(4):469-73. 108. Hamdan AL, Sabra O, Rifai H, Tabri D, Hussari A. (2008) Vocal Changes In Patients using Nasal Continuous Positive Airway Pressure. J Voice. 2008 Sep;22(5):603-6. 109. Hamdan AL, Tabri D, Deeb R, Rifai H, Rameh C, Fuleihan N. (2008) Formant frequencies in Middle Eastern singers. Am J Otolaryngol. 2008 May-Jun;29(3):180-3. 110. Rameh C, Hourany-Rizk R, Hamdan AL, Natout M, Fuleihan N. (2008) Status of the Remaining Parotid Duct and Gland Following Superficial Parotidectomy. Eur Arch Otorhinolaryngol. 2008 Feb;265(2):209-15. 111. Rameh C, Youssef M, Husseini S, Hamdan AL. (2007) Radiology quiz case 1. Misplacement of a subclavian central line presenting as a mass on the opposite side of the neck. Arch Otolaryngol Head Neck Surg. 2007 Nov;133(11):1162, 1164. 112. Hamdan AL, Elkhatib MF, Dagher W, Othman I. (2007) Laryngeal Involvement in Rheumatoid Arthritis. Middle East Journal Of Anesthesiology 2007;19(2):335-44. 113. Hamdan AL, Sibai A, Rameh C, Rifai H, Kanazi G. (2008) Immediate post- operative vocal changes in patients using Laryngeal Mask Anesthesia (LMA) versus Endotracheal Tube (ETT). J Laryngol Otol. 2008 Aug;122(8):829-35. 114. Rameh C, Hamdan AL, Uwaydah M, Sabra O, Araj G, Fukeihan N. (2007) Brucellamelitensis infection of a branchial cyst. Otolaryngol Head Neck Surg. 2007 June;136(6):1023-4 115. Hamdan AL, Sabra O, Rameh C, El-Khatib M. (2007) Persistant dysphonia following endotracheal intubation. Middle East J Anesthesiol. 2007 Feb;19(1):5-13. 116. Hamdan AL, Sibai A, Srour Z, Sabra O, Deeb R. (2007) Voice disorders in teachers. The role of family physicians. Saudi Med J. 2007 Mar;28(3):422-428. 117. Hamdan AL, Moukarbel RM, Youssef M. (2006) Paradoxical vocal cord motion: an alarming stridor for a benign condition--case reports. Middle East J Anesthesiol. 2006 Oct;18(6):1191-201. 118. Hamdan AL, Sibai A, Rameh C, Kanazi G. (2007) Short-Term Effects of Endotracheal Intubation on Voice. J Voice. 2007 Nov;21(6):762-8. 119. Hamdan AL , Sibai A, Youssef M, Deeb R, Zaitoun F. (2006) The use of a screening questionnaire to determine the incidence of allergic rhinitis in singers with dysphonia. Arch Otolaryngol Head Neck Surg. 2006 May;132(5):547-9. 120. Hamdan AL, Sibai A, Rameh C. (2007) Effect of fasting on voice in Women. J Voice. 2007 Jul;21(4):495-501. 121. Hamdan AL, Nabulsi MM, Farhat FT, Haidar RK, Fuleihan NS. (2006) When Bone becomes Marble: Head and Neck Manifestations of Osteopetrosis. Paediatr Child Health. Jan 2006;1(11):37-40.

122. Hamdan AL, Sibai A, Moukarbel RM, Deeb R. (2006) Laryngeal biomechanics in Middle Eastern singing. J Voice. 2006 Dec;20(4):579-84. 123. Hamdan AL, Farhat F . (2005) Geriatric Dysphonia. Geriatrics Today, Journal of the Canadian Geriatrics Society. 2005 March;8(1):17-20. 124. Hamdan AL, Medawar W, Younes A, Bikhazi H, Fuleihan N. (2005) The Effect of Hemodialysis on Voice: An Acoustic Analysis. J Voice, 2005;19(2):290-5. 125. Moukarbel RV, Hamdan AL, Mokarbel GV, Bizri AR. (2005) Acute pharyngitis: an unusual presentation of acute endemic typhus. Otolaryngol Head Neck Surg. 2005 Oct;133(4):645. 126. Hadi U, Hamdan AL. (2004) Diagnosis and management of tracheal stenosis. Leb Med J2004; 52(3):131-5. 127. Hamdan AL, Mokarbel R, Dagher W. (2004) Medialization laryngoplasty for the treatment of unilateral vocal cord paralysis: a perceptual, acoustic and stroboscopic evaluation. Leb Med J 2004; 52(3):136-141. 128. Moukarbel RV, Youssef M, Shab N, Hamdan AL. (2004) Pathology quiz case 1. Teflon granuloma. Arch Otolaryngol Head Neck Surg. 2004 Dec;130(12):1438- 1440. 129. Hamdan AL. (2003) Vocal cord paralysis after open heart surgery: Letter to the editor. Eur J CardiothoracSurg 2003; 23:138. 130. Cutler MJ, Hamdan AL, Hamdan MH, Ramaswamy K, Smith ML. (2002) Sleep apnea: from the nose to the heart. J Am Board FamPract. 2002 Mar-Apr; 15(2):128-41. 131. Hamdan AL, Hadi U, Shabb N. (2002) Tuberculous parotitis: a forgotten entity. Otolaryngol Head Neck Surg. 2002 May; 126(5):581-2. 132. Hamdan AL, Jaber M, Tarazi A, Tawil A, Fuleihan N. (2002) Kikuchi Fujimoto disease: case report and review of the literature. Scand J Infect Dis. 2002;34(1):69-71. 133. Hamdan AL, Kahwagi G, Farhat F, Tawil A. (2002) Oncocytoma of the nasal septum: a rare cause of epistaxis. Otolaryngol Head Neck Surg. 2002 Apr;126(4):440-1. 134. Hamdan AL, Moukarbel RV, Farhat F, Obeid M. (2002) Vocal cord paralysis after open-heart surgery. Eur J Cardiothorac Surg. 2002 Apr; 21(4):671-4. 135. Hadi UM, Jammal HN, Hamdan AL, Saad AM, Zaatari GS. (2001) Lateral cervical bronchogenic cyst: an unusual cause of a lump in the neck. Head Neck. 2001 Jul;23(7):590- 3. 136. Hamdan AL, Ahmad H, Younes A, Hadi U, Fuleihan N. (2001) The etiologic role of the osteo-meatal complex in the pathogenesis of sinusitis: a retrospective study of clinical, CT and endoscopic findings in 143 patients. J Med Liban. 2001 Nov-Dec;49(6):329-32. 137. Hamdan AL, Bizri AR, Jaber M, Hammoud D, Baino T, Fuleihan N. (2001) Nasoseptal variation in relation to sinusitis. A computerized tomographic evaluation. JMed Liban. 2001 Jan-Feb;49(1):2-5. 138. Hamdan AL, Fuleihan N. (2001) Voice disorders: Physiology, work-up and assessment. J Arab Board Med Specializations 2001; 3(1):75-86. 139. Hamdan AL, Hadi U, Farhat F, Jammal H, Fuleihan N. (2001) Challenges in tracheal stenosis--experience at the American University of Beirut Medical Center. Middle East J Anesthesiol. 2001 Jun;16(2):211-22. 140. Hamdan AL, Hadi U, Mukarbel R, Tawil A. (2001) Arteriovenous malformation of the parotid gland: Case report and review of the literature. Oto Rhino Laryngologica 2001;11:214-217. 141. Hamdan AL, Sharara AI, Younes A, Fuleihan N. (2001) Effect of aggressive therapy on laryngeal symptoms and voice characteristics in patients with gastroesophageal reflux. ActaOtolaryngol. 2001 Oct;121(7):868-72. 142. Hamdan AL, Zaytoun G, Shreif J, Tarazi A, Haddad M. (2001) Cerebrospinal fluid rhinorrhea: an unusual presentation of domestic violence. J Okla State Med Assoc. 2001 Sep;94(9):396-9. 143. Hadi U, Kahwaji G, Hamdan AL, Shreif J, Haddad G. (2000) Endoscopic management of cerebrospinal fluid leaks: A viable alternative. Pan Arab J Neurosurg.Oct 2000; 4(2):1-7. 144. Hamdan AL, Fuleihan N, Shreif J. (2000) False aneurysm after rhinoplasty: an unusual complication. Otolaryngol Head Neck Surg. 2000 Jun;122(6):923-5. 145. Hamdan AL, Mroueh SM, Bitar FF, Farhat FT. (2000) Foreign body retrieval in children with respiratory symptoms and no history of aspiration. Middle East J Anesthesiol. 2000 Oct;15(6):673-80. 146. Kahwaji G, Hamdan AL, Mufarij A, Fuleihan N. (2000) Plexiform neurofibroma of the sublingual gland. Otolaryngol Head Neck Surg.2000 Jun;122(6):927. 147. Zaytoun G, Hamdan AL. (2000) The sigmoid venous sinus in temporal bone surgery: Anatomic variations with case presentations. Oto Rhino Laryngologica 2000;10 (6):291– 295. DOI:10.1159/000054836 148. Zealear DL, Billante CR, Chongkolwatana C, Rho YS, Hamdan AL, Herzon GD. The effects of chronic electrical stimulation on laryngeal muscle physiology and histochemistry. ORL J OtorhinolaryngolRelat Spec. 2000 Mar-Apr;62(2):81-6. 149. Zealear DL, Hamdan AL, Rainey CL. (1994) Effects of denervation on posterior cricoarytenoid muscle physiology and histochemistry. Ann OtolRhinolLaryngol. 1994 Oct; 103(10):780-8.

Papers Under Review

1. Irradiation-induced vocal fold paralysis; a delayed complication 2. Histopathologic Classification of Vocal Fold Benign Lesions 3. Phonatory Symptoms and Acoustic Analysis in Women on Oral Contraceptive Adjusting for Allergy and Reflux as Confounding Variables 4. Application of Thulium laser as office-based procedure in patients with benign vocal fold lesions

Ongoing Studies

1. The Effect of Glutathione Intake on Patients Presenting with Benign Laryngeal Lesions 2. The Effect of Glutathione Intake on Patients with Vocal Fatigue 3. Alkaline Water and Laryngopharyngeal Reflux Disease 4. Phonatory disturbances and laryngeal pathology in patients with typical GERD undergoing esophagoscopy 5. Prevalence of dysphonia in patients undergoing allergy testing 6. “Andropause Vocal Syndrome”; A new entity 7. Review of office-based procedures: tolerability, disease control and outcome measures

Invited lecturer/Moderator/ Chairman/Panelist

5/2019 Invited lecturer:

- Pathogenic Role of Reinke’s Edema in Snoring and Obstructive Sleep Apnea

- Application of Thulium Laser as Office-Based Procedure in Patients with Benign Vocal Fold Lesions

- The Prevalence of Dysphonia and Dysphagia in Patients with Vitamin D Deficiency

48th Voice Foundation Symposium, Care of the Professional Voice

The voice Foundation, Philadelphia, USA

4/2019 Oral presentation: Combined Otolaryngology Spring Meeting – Austin TX

- The Prevalence of Dysphonia and Dysphagia Symptoms in Patients on Statin Therapy

Poster presentation: Combined Otolaryngology Spring Meeting-Austin TX

- Interarytenoid Botulinum Toxin: A Injection for the Treatment of Vocal Process Granuloma

4/ 2018 Poster presentation: Combined Otolaryngology Spring Meeting – National Harbor- Maryland

- Application of Thulium Laser as an Office Procedure for the Treatament of Vocal Cord Polyps

2011-2017 World Voice Day Ambassador

6/ 2017 Faculty: 20th International Voice Workshop

Laser Voice Surgery and Voice Care, Paris, France

World Congress Panelist:

- Speech and Swallowing manifestations of Systemic & Auto-immune Diseases - Laryngopharyngeal reflux and voice disorders - Voice Care in Singers: the Show Must Go On!

5/2017 Invited lecturer-

- Laser arytenoidectomy

- Laser office based procedures - Injection laryngoplasty - Carbon dioxide laser in the operating room

Bronchoscopy and laser workshop – Kuwait

- Laser Surgical Management of bilateral vocal cord immobility - Office based laser treatment

5/ 2017 Invited lecture: - Apoptosis in Vocal Fold Polyps

- Unilateral Cricoarytenoid Joint Ankylosis in Rheumatoid Arthritis

46th Voice Foundation Symposium, Care of the Professional Voice

The voice Foundation, Philadelphia, USA

4/2017 Poster presentation: Combined Otolaryngology Spring Meeting - San Diego- California

4/2017 Chair: Lebanese Voice Assoiciation Meeting

ORL Horizon/ Second Middle East symposium

3/2017 Panelist: “Laryngology – From the operating room to the office: case presentations” 21st Annual McGill University CME Update in Otolaryngology - Head and Neck Surgery - Mont Tremblant, Quebec, Canada

3/2016 Care of the professional voice Lebanese Society of Otolaryngology Annual Meeting

6/2016 Chair: Medical Session IB

45th Voice Foundation Symposium, Care of the Professional Voice

The voice Foundation, Philadelphia, USA

5/2015 Chair: Medical Session IIIB

44th Voice Foundation Symposium, Care of the Professional Voice

The voice Foundation, Philadelphia, USA

6/ 2014 Chair: 43rd Voice Foundation Symposium

The voice Foundation, Philadelphia, USA

6/ 2013 Chair: Medical Session IA

42nd Voice Foundation Symposium

The voice Foundation, Philadelphia, USA

5/2013 Invited lecturer: Vocal Fold paralysis following base of skull surgery

Lebanese Society of Otolaryngolgy Annual Meeting

4/2013 Invited lecturer: Patient Management Perspective:

. Child with snoring . Child with compromised airways

ARAK – Jeddah- KSA

2012-2013 Chair: Faculty Development Program

Marketing in Medicine; Concepts and Analysis

Marketing Strategies

9/2012 Invited Lecturer: Strategic Planning Retreat

AUBMC

6/2012 Chair: Medical Session IB 41st Annual symposium, care of the professional voice

The voice Foundation, Philadelphia, USA

5/2012 Strategic planning in medical practice

Middle East Medical Assembly

AUBMC

1/2012 Workshop on Dysphonia from the Speech Language Pathologist Perspective

AUBMC

1/2012 Partial Laryngectomy and Speech Rehabilitation/ Moderator

AUBMC

2011-2012 Chair: Faculty Development Program

How to financially manage your practice? Selection and Appraisal of Personnel Type of corporation: what's in it for you? Leadership in Medicine? Financial Investment and Liability How to position yourself in a competitive Market? Business Planning

6/2011 Chair: The XVI Annual Meeting of the Lebanese society of Otolaryngology, HNS

Session V :Plenary session :Management of Thyroid Cancer - Beirut , Lebanon

6/2011 Chair/ Moderator: 1st Middle East Voice and Laryngology Symposium

Beirut, Lebanon

6/2011 Invited lecturer: Fiberoptic Injection Laryngoplasty

1st Middle East Voice and Laryngology Symposium, Beirut, Lebanon

6/2011 Invited lecturer: CO2 laser cordectomy for early glottis lesions

1st Middle East Voice and Laryngology Symposium, Beirut, Lebanon 2010 Chair: 39th Annual symposium :care of the professional voice

MEDICAL SESSION IIA - CONCURRENT WITH SESSION IIB

The Voice Foundation, Philadelphia, USA

6/2009 Effect of Fasting on Voice in Males

38th Annual Symposium: Care of the Professional Voice

The Voice Foundation PA, USA

2/2009 Effect of Allergy on Voice

First Allergy Rhinoplasty Workshop

Lebanese Society of Allergy - Brumana, Lebanon

3/2009 Mimmickers of Laryngeal Tumor

Lebanese Society of Otolaryngology- Head and Neck Surgery - Beirut, Lebanon

2007 Chair: Arab FOSS and Franco-Arab and Annual Meeting

Lebanese Otolaryngology Society

Beirut, Lebanon

2/2006 Persistent Dysphonia Following Microlaryngeal Surgery

Lebanese Society of Otolaryngology- Head and Neck Surgery - Beirut, Lebanon

1/2006 Chair: Arab Health – Otolaryngology Conference/ Moderator

Dubai, United Arab Emirates

1/2006 Invited Lecturer: Laryngopharyngeal Reflux Disease

Arab Health – Middle East Update in Otolaryngology – Dubai, UAE

6/2005 Invited Lecturer: Laryngeal Biomechanics in Middle Eastern Singing

The Voice Foundation Annual Meeting - Philadelphia, Pennsylvania, USA

2/2003 Invited Lecturer: Voice Lift

American University of Beirut Medical Center – Women’s Auxilliary 5/2003 Medialization for Unilateral Vocal Fold paralysis

Lebanese Society of Otolaryngology- Head and Neck Surgery - Byblos, Lebanon

3/2002 Voice Disorders

Hammoud Hospital – Saidon, Lebanon

2/2002 Functional Voice Disorders

Sacré Coeur Hospital – Beirut, Lebanon

6/2001 Management of Neck Metastasis

(Zahle, Lebanon)

2001 Conference on Phonation/ Moderator

Thalassemia Therapy Center (TTC) – Lebanon

5/2000 The XXXVth Middle East Medical Assembly Otolaryngology

Head & Neck Surgery, Reflux, Laryngitis - Beirut, Lebanon

4/2000 Indications & Treatment of Laryngeal Cancer

Rizk Hospital, Beirut, Lebanon

6/2000 Highlights on GERD: Management and Clinical implications

Beirut Hospital, Lebanon

2000 Conference on Phonation/ Moderator

Thalassemia Therapy Center (TTC) – Lebanon

5/2000 The XXXVth Middle East Medical Assembly/ Moderator

Otolaryngology, Head & Neck Surgery, Reflux, Laryngitis

AUBMC, Beirut, Lebanon

4/1999 Work-up of Dysphonia

American University of Beirut, Family Medicine

1999 Role of Stroboscopy/ Moderator Sacre Coeur Hospital – Lebanon

1995 Diagnosis of Voice Disorders

Hotel Dieu de France Hospital- Lebanon

2/1994 Laser and Anesthesia

American University of Beirut, Anesthesia Department

1/1994 Stridor in the Pediatric Age-Group

American University of Beirut, Pediatric Department

Teaching

Didactic lectures ((Med IV, Interns, Residents) :1993-Present

- Weekly lecture in OPD on several topics in Otolaryngology 1993-2005 - Every other week lecture in OPD in Laryngology 2005-present - Resident Teaching Session, 7/1997-6/1998 - Laryngology lectures 2005-2006 o Clinical Laryngeal anatomy and Histology o Laryngeal Biomechanics o Diagnostic Value of Dysphonia o Vocal Art o Paradoxical Vocal Fold Movement o The Lateralized Vocal fold Back in Place o Laryngeal Movement Disorders o Laryngopharyngeal Reflux Disease and Dysphonia o Tracheal Stenosis o Functional Voice Disorders o Phonomicrosurgery-Update o Persistant Dysphonia following microlaryngeal surgery - Laryngology Lectures 2009 ,2010, 2013 &2016 o Allergy and Voice o Anatomy Physiology o Diagnostic value of voice o Functional voice disorders o Inflammatory and granulomatous diseases of the voice o Laryngeal biomechanics o LPRD o Medialization o Micro-laryngeal surgery o Movement disorder o Paradoxical vocal fold motion o Persistent dysphonia o Pitch alteration o Spasmodic dysphonia o Spectroacoustic analysis o Tracheal stenosis o Treatment of early laryngeal cancer o Updates in phonosurgery o Vocal art o Vocal fold masses

Clinical teaching (Med IV, Interns, Residents) :1993-Present

- Attendance and Participation in Medical grand rounds, Journal clubs and Tumor boards - Work-up and clinical diagnosis of Patients at the Outpatient Department at AUBMC - Surgical Assistance on cases in the Operating Room at AUBMC - Clinical Assessment of patients with voice disorders at Specialty Voice Center & Hamdan Voice Center: Interpretation of laryngeal stroboscopic findings, acoustic analysis parameters and aerodynamic measures with the speech therapist and vocal teacher as a team.

Research advising (Med IV, Interns, Residents) :1993- Present

- Design and methodology of original studies related to the Middle Eastern singing voice (Formant frequencies, laryngeal biomechanics, etc) - Investigating the effect of systemic diseases on voice, such as multiple sclerosis, obstructive sleep apnea, gastro-esophageal reflux, hormonal changes, attention deficit disorders and others.

Community lectures to improve public awareness

1- Care of Professional Voice, Tripoli 2015 2- “Voice under General anesthesia” , AUBMC 2011 3- “Work-up of Voice Disorders at the “ Hamdan Voice Unit” CMC Hospital 4- “Laryngeal Manifestations of gastro-esophageal reflux” , AUBMC 2011 5- “Effect of Pulmonary diseases on Voice” , AUBMC 2011 6- “Laryngeal manifestations of autoimmune diseases” , AUBMC 2011 7- “The Neurologic Voice” , AUBMC 2011 8- Work-up of Voice Disorders at the “ Hamdan Voice Unit” Hammoud Hospital 2011 9- “Diagnostic Value of dysphonia” , AUBMC 2011 10- “Voice As We Mature”, Lion’s Club, Rotana Hotel, 2004 11- “ Wadih al Safi, past, present and future” Annual Anniversary of SVC, Movenpick, 2004 12- “Voice Lift, Why not ? “ Women Auxillary, AUBMC, 2003-2004 13- “Vocal Art, Medical Perspective” Syndicate of Professional Artists in Lebanon, 2003 14- “Al mourafaatBayn Al Hounjourawa Al Raas”, Syndicate of Lawyers, 2002

Other Public Services

1- Provision of Musical Tract to the “Brave Heart Fund” video 2- Composition of 37 musical tract that have been distributed in Lebanon and Gulf region, and are being used in Hospital setting and others for free.

Care of the professional voice/ educational material A- Workshops: Includes vocal training, vocal enhancement, Choreography, psychotherapy, Articulation, Medical assistance :Superstar Candidates for the year 2003-2007, 2012-13 B- Web Site: www.hamdanvoiceunit.com. . A site designed to alarm patients about vocal symptoms, exchange information o voice care, and provide services and programs for both the speaking and singing voice. C- Brochures: On vocal hygiene, diseases that affect the voice, medications to avoid, when to seek voice care and tips for the professional voice use. D- Grading system: For the professional voice, that includes a scale for all features of the singing voice. This grading system was adopted by the Superstar program year 2003. E- Evaluation form: For the singing voice and the speech therapist. F- Lectures addressed to Professional Voice Users: Super Star (2003-2007) & Arab Idol Candidates (2011-2013): a. “Voice Box: Anatomy & Physiology” b. “How to improve your singing” c. “ Vocal fold masses in surgery” d. “Mission of Specialty Voice Center”, Supertar Candidates, 2003-2007 e. “ How to be ready for a successful presentation”, Superstar, 2003-2004 f. “ Survival tips for a singer”, Superstar, 2003-2004 g. “ Ten most common singing problems”, Superstar, 2003-2004 h. “ How to become a star”, Superstar, 2003-2004

Public appearances

1- MBC - Arab Idol Program (Season 1) -2012 2- American University of Beirut News Highlights - “World Voice Day at Hamdan Voice Unit at AUBMC”. May 2011 3- MTV – Morning program - 2010 4- American University of Beirut News Highlights – “New Hamdan Voice Unit to treat voice disorders at AUBMC” - August 2010. 5- American University of Beirut Medical Center Newsletter. “New Hamdan Voice Unit to treat voice disorders at AUBMC” – August 2010. 6- Al Mustaqbal Newspaper - “ Hamdan Voice Unit at AUBMC”– 2010 7- Al Balad Newspaper – “Al Balad Prominent Figures” - 2010 8- Future TV – SuperStar Program – from 2003 to 2007 9- Snob Magazine - “Voice Lifting, for the treatment of the aging voice” – Feb 2007 10- American University of Beirut Bulletin –“Lecture given by Dr. Abdul-latifHamdan at the Women’s Auxillary Association” - March 2004 11- Future TV – Alam Al Sabah Program – 2006 12- Cedar Wings. (The In-flight Magazine of Middle East Airlines) - “Specialty Voice Center, The center that has contributed to the success of the SuperStar candidates” - Issue 78 - 2004. 13- Al Safir Newspaper. “Say Ah, a recipe for your voice, The SuperStar candidates examined at SVC” - May 2003 14- Cedar Wings. (The In-flight Magazine of Middle East Airlines) –“Lebanon’s First Specialty Voice Center, A voice for your audience, an audience for your voice” - Issue 71 - 2002 15- Al Safir Newspaper - “The First Specialty Voice Center in the Middle East.” - 2002 16- Future TV – Alam Al Sabah Program – 2003 17- Future TV – “Sireh we Enfatahet” program with Zaven– 2003 18- Future TV – Alam Al Sabah Program – 2002 19- NTV – Nishan’s Program – 2002 20- LBC – NaharakSaiid Program - 2002