Biography & Education

Biography
To listen to you and your heart, empower you in understanding your condition, and carry you through your operation in the most skilled, scientific, and compassionate manner possible.
Specialties
  • Cardiac Surgery
Education Background
Medical School: University of California, Los Angeles David Geffen School of Medicine
Residency: Swedish Medical Center - General Surgery.
Fellowship: Yale University - Cardiothoracic Surgery. Onze Lieve Vrouwziekenhuis Hospital - Aalst, Belgium: Minimally Invasive, Endoscopic and Robotic Cardiac Surgery.
Languages
  • Arabic
  • English
  • Greek
  • Spanish

Care Locations

1600 E. Jefferson Street
Suite 110
Seattle, WA 98122
Fax 206-320-4698
Accepting New Patients
Accepting Medicaid

Publications

Research

 

RESEARCH, PUBLICATIONS & PRESENTATIONS
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ORIGINAL ARTICLES

The Free Right Internal Thoracic Artery: A Versatile and Durable Conduit. Samuel J. Youssef, Zaid Al- Marzooq, Yaser Al-Raweshidy, Susan Collazo, Arnar Geirsson, Sabet Hashim. Circulation (submitted 2012)

Minimally Invasive Reoperative Mitral Valve Replacement Utilizing Endodirect Aortic Cannulation: An Outlet in the Setting of a Hostile Mediastinum and Hazardous Peripheral Vascular Disease. SJ Youssef & GR Barnhart. Journal of Heart Valve Disease (submitted 2012).

The Role of CT Angiography in Patients Undergoing Evaluation for Minimally Invasive Cardiac Surgery. Youssef SJ, Millan JA, Youssef GM, Barnhart GR. Innovations (submitted 2012).

Pseudoprolapse of the Anterior Leaflet in Chronic Ischemic Mitral Regurgitation: Identification and Repair. S. W. Hashim, S. J. Youssef, B. Ayyash, A. J. Rousou, S. Ragnarsson, S. Collazo, A. Geirsson. Journal of Thoracic and Cardiovascular Surgery. 2011 Nov 4. (10.1016)

A Review of Prognostic Factors in Thymic Malignancies. Detterbeck FC, Youssef SJ, Okumura M, Ruffini E. Journal of Thoracic Oncology. 2011 July; 6 (7 Suppl 3): S 1698-704

Safety and Utility of Mediastinoscopy in Non-Small Cell Lung Cancer in a Complex Mediastinum. Louie BE, Kapur S, Farivar AS, Youssef SJ, Gorden J, Aye RW, Valliéres E. Annals of Thoracic Surgery. 2011 May 25.

Comparison of Open and Minimally Invasive Thymectomies at a Single Institution. Youssef SJ, Louie BE, Farivar AS, Blitz M, Aye RW, Valliéres E. American Journal of Surgery, 2010 May; 199(5):589-93.

Adult Progenitor Cell Transplantation Influences Contractile Performance and Calcium Handling of Recipient Cardiomyocytes. Lee J, Fukushima S, Stagg MA, Soppa GK, Siedlecka U, Youssef S, Suzuki K, Yacoub MH, Terracciano CMN. American Journal of Physiology-Heart and Circulatory Physiology, 2009 Jan 30.

Prolonged mechanical unloading reduces myofilament sensitivity to calcium and sarcoplasmic reticulum calcium uptake leading to contractile dysfunction. Soppa GK, Lee J, Stagg MA, Siedlecka U, Youssef S, Yacoub MH, Terracciano CMN. The Journal of Heart and Lung Transplantation, 2008 Aug; 27(8): 882-9. Epub 2008 Jun 25.

Role and possible mechanisms of clenbuterol in enhancing reverse remodelling during mechanical unloading in murine heart failure. Soppa GK, Lee J, Stagg MA, Felkin LE, Barton PJR, Siedlecka U, Youssef S, Yacoub MH, Terracciano CMN. Cardiovascular Research, Mar 1, 2008; 77(4):695-706. Epub 2008 Jan 4.

Paracrine effects of cell transplantation on recipient cardiomyocytes in a rat model of heart failure. Lee J, Fukushima S, Stagg MA, Soppa GK, Siedlecka U, Youssef S, Yacoub MH, Terracciano CM. European Heart Journal 2006 August; 27:19.

Paracrine Effects of Transplanted Bone Marrow Cells and Skeletal Myoblasts on Recipient Cardiomyocyte Function in a Rat Model of Heart Failure. Lee J, Fukushima S, Stagg MA, Soppa GK, Youssef S, Yacoub MH, Suzuki K, Terracciano CMN. The Journal of Heart and Lung Transplantation. 2006 February; 25 (2S): S152.

 

BOOK CHAPTERS:


1. Chief Editor: TSRA Primer of Cardiothoracic Surgery. Youssef SJ, Williams J. Thoracic Surgery Residents Association 2013.


2. Youssef SJ & Elefteriades JA: Emergency Room Management of Acute Aortic Dissection in Vascular Emergencies: Expert Management for the Emergency Physician. Cambridge University Press (in press).


3. Youssef SJ & Elefteriades JA: Aortic Dissection: Pathophysiology, Diagnosis & Management in Oxford Textbook of Critical Care, 2nd Edition. Oxford University Press (in progress)


4. Youssef SJ: Chylothorax in TSRA Review of Cardiothoracic Surgery. Mery CM, Turek JW (eds). 1st edition. Chicago: Thoracic Surgery Residents Association, 2011.


5. Youssef SJ: Tracheal Stenosis & Postintubation Injury in TSRA Review of Cardiothoracic Surgery. Mery CM, Turek JW (eds). 1st edition. Chicago: Thoracic Surgery Residents Association, 2011.


6. Youssef SJ: Pulmonary Failure in TSRA Review of Cardiothoracic Surgery. Mery CM, Turek JW (eds). 1st edition. Chicago: Thoracic Surgery Residents Association, 2011.


7. University of Cambridge – Faculty of Divinity: Institute for Orthodox Christian Studies.
Developed a guidebook representing the Clinical Aspects of Adolescent Pastoral Care. Topics include: personal development, illicit drug use/abuse, purity and sexual maturity - diseases & ethics, bereavement, depression, and a discussion prompt for contemporary moral issues. 2002

 

 

PUBLISHED ABSTRACTS:


1. The Free Right Internal Thoracic Artery: A Versatile and Durable Conduit. Zaid Al-Marzooq, Samuel J. Youssef, Yaser Al-Raweshidy, Susan Collazo, Arnar Geirsson, Sabet Hashim. Circulation. 2012; 126: A11741

2. Durable Mitral Valve Repair in Chronic Ischemic Mitral Regurgitation Requires Identification and Correction of Pseudo-Prolapse of the Anterior Leaflet, when present: A Video and Case Series Presentation. S.J. Youssef, A. Geirsson, B. Ayyash, S. Ragnarsson, S. Collazo, S. Hashim. Heart Surgery Forum 2011. Volume 14, Supp 2. p25.

3. Safety and Utility of Mediastinoscopy in Patients with Non-Small Cell Lung Cancer (NSCLC) and a Complex Mediastinum. Seema Kapur, Brian E. Louie, Alexander S. Farivar, Samuel J Youssef, Ralph W. Aye and Eric Vallieres. Abstracts of the Southern Thoracic Surgical Association. Orlando, Florida. November 2010.

4. CT Angiography is Mandatory for Patients Undergoing Evaluation for Minimally Invasive Cardiac Surgery. Samuel J Youssef, Juan A. Millan, Gabriel M Youssef, Glenn R. Barnhart. Innovations. 2010 May/June; Vol 5, Issue 3, p 231-247

5. Minimally Invasive Cardiac Surgery for Left Atrial Myxoma. S.J, Youssef, G.R. Barnhart. Abstracts of the World Congress of Cardiothoracic Surgery. Buenos Aires, Argentina. November 2009.

6. Chronic clenbuterol treatment improves heart and myocyte function in heart failure, with and without mechanical unloading. Soppa GK, Lee J, Stagg MA, Youssef SJ, Siedlecka, U, Yacoub MH, Terracciano CM. Circulation 2006 October 31;114(18):483.

7. Influence of clenbuterol and unloading on myocardial cell contractile dysfunction and calcium homeostasis in early heart failure. Soppa GKR, Lee J, Stagg MA, Youssef SJ, Yacoub MH, Terracciano CMN. European Heart Journal 2006 August; 27:408.

8. Chronic clenbuterol treatment improves heart and myocyte function in heart failure, with and without mechanical unloading. Soppa G, Lee J, Stagg M, Youssef SJ, Yacoub M, Terracciano C. Journal of Molecular and Cellular Cardiology 2006 June; 40(6):945.

9. Chronic administration of clenbuterol to mechanically unloaded, failing hearts affects calcium handling and myocyte function - Relevance to LVAD recovery. Soppa GK, Lee J, Stagg MA, Youssef SJ, Terracciano CMN, Yacoub MH. The Journal of Heart and Lung Transplantation. 2006 February; 25 (2S): S143.

10. Calcium handling in cardiomyocytes from mechanically unloaded, failing hearts - role of B2-adrenoceptor agonists. Soppa GKR, Lee J, Stagg MA, Youssef SJ, Terracciano CMN, Yacoub MH. 2006 Biophysical Society Meeting Abstracts. Biophysical Journal, Supplement, Abstract.

11. Transplantation of Bone Marrow Cells and Skeletal Myoblasts Affects Calcium Regulation of Recipient Ventricular Myocytes in a Rat Model of Heart Failure. Lee J, Fukushima S, Stagg MA, Soppa GK, Youssef SJ, Yacoub MH, Suzuki K, Terracciano CMN. 2006 Biophysical Society Meeting Abstracts. Biophysical Journal, Supplement, Abstracts.


12. Effects of unloading and clenbuterol treatment on cell size and calcium handling in rat ventricular myocytes. Soppa GKR, Lee J, Stagg MA, Youssef SJ, Terracciano CMN, Yacoub MH. Biophysical Journal 2005 January;88(1):319A.

 

 

PRESENTATIONS:


1. The Free Right Internal Thoracic Artery: A Versatile and Durable Conduit. Zaid Al-Marzooq, Samuel J. Youssef, Yaser Al-Raweshidy, Susan Collazo, Arnar Geirsson, Sabet Hashim.. Podium presentation at American Heart Association – Scientific Sessions. Los Angeles, CA. November 2012.

2. Factors in the Development of Recurrent Tricuspid Regurgitation. Samuel J Youssef and Filip Casselman. Podium presentation at European Association of Cardiothoracic Surgery. Barcelona, Spain. October 2012.

3. Minimally Invasive Reoperative Mitral Valve Replacement Utilizing Endodirect Aortic Cannulation: An Outlet in the Setting of Significant Peripheral Vascular Disease. SJ Youssef & GR Barnhart. Podium presentation at Florida Valve 2012. Orlando, Florida. March 2012.

4. Durable Mitral Valve Repair in Chronic Ischemic Mitral Regurgitation Requires Identification and Correction of Pseudo-Prolapse of the Anterior Leaflet, when present: A Video and Case Series Presentation. S.J. Youssef, A. Geirsson, B. Ayyash, S. Ragnarsson, S. Collazo, S. Hashim. Podium presentation at the 21tst World Congress of the World Society of Cardiothoracic Surgeons, Berlin, Germany. June 2011.

5. Pseudo-Prolapse of the Anterior Leaflet in Chronic Ischemic Mitral Regurgitation: Identification and Repair. S. W. Hashim, S. J. Youssef, B. Ayyash, A. J. Rousou, S. Ragnarsson, S. Collazo, A. Geirsson. Podium presentation at the AATS Mitral Conclave. New York, NY. May 2011.

6. ISMICS Challenging Case Presentation: Mitral Valve Dehiscence in a 72 y.o male with two prior sternotomies – a minimally invasive approach. Samuel J Youssef, Glenn R. Barnhart. Podium presentation at the International Society for Minimally Invasive Cardiac Surgery Conference. Berlin, Germany. June 2010.

7. CT Angiography is Mandatory for Patients Undergoing Evaluation for Minimally Invasive Cardiac Surgery. Samuel J Youssef, Juan A. Millan, Gabriel M Youssef, Glenn R. Barnhart. Poster and Podium (Finalist) presentation at International Society for Minimally Invasive Cardiac Surgery (ISMICS) Berlin, Germany. June 2010.

8. Minimally Invasive Thymectomy - What We Are Learning. Samuel J. Youssef, Alexander Farivar, Ralph W. Aye, Eric Valliéres, Brian E. Louie. Poster presentation at the International Thymic Malignancy Interest Group (ITMIG) Conference. New York, NY. May 2010.

9. A Window to the Heart: The Era of Minimally Invasive Cardiac Surgery. S.J. Youssef, G.R. Barnhart. Podium presentation at the Seattle Surgical Society Meeting. Seattle, WA. January 2010.

10. Heart Tumors and Minimally Invasive Access. S.J. Youssef, G.R. Barnhart. Podium presentation at Swedish Heart & Vascular Institute’s “Lunch and Learn” Conference. November 2009.

11. Minimally Invasive Cardiac Surgery for Left Atrial Myxoma: A case report & video presentation. S.J, Youssef, G.R. Barnhart. Podium presentation at the 19th World Congress of the World Society of Cardiothoracic Surgeons, Buenos Aires, Argentina. November 2009.

12. Comparison of Open and Minimally Invasive Thymectomies at a Single Institution. Samuel J. Youssef MD, Maurice Blitz MD, Ralph W. Aye MD, Eric Valliéres MD, Brian E. Louie MD. Podium presentation at the North Pacific Surgical Association Meeting, Portland OR. November 2009.

13. Left Atrial Myxoma Resection: A minimally invasive approach. S.J, Youssef, G.R. Barnhart. Podium presentation at the Washington/Oregon American College of Surgeons Meeting 2009, Lake Chelan, WA, July 2009.

14. Preliminary Experience with Thoracoscopic Thymectomy at a Single Institution. S.J. Youssef, E. Valliéres, R.W. Aye, B.E. Louie. Podium presentation at Washington/Oregon ACS Meeting 2009, Lake Chelan, WA, July 2009.

15. Chronic Clenbuterol Treatment Improves Heart and Myocyte Function in Heart Failure, with and without Mechanical Unloading. Soppa GK, Lee J, Stagg MA, Youssef S, Siedlecka U, Terracciano CMN, Yacoub MH. Poster Presentation at American Heart Association, Scientific Sessions 2006, Chicago, Illinois, November 2006.

16. Influence Of Clenbuterol And Unloading On Myocardial Cell Contractile Dysfunction And Calcium Homeostasis In Early Heart Failure. Soppa GK, Lee J, Stagg MA, Youssef S, Terracciano CMN, Yacoub MH, Poster Presentation at The Joint Meeting European Society of Cardiology & World Heart Federation 2006, Barcelona, Spain, September 2006.

17. Paracrine Effects of Cell Transplantation on Recipient Cardiomyocytes in a Rat Model of Heart Failure. Lee J, Fukushima S, Stagg M, Soppa GK, Youssef S, Yacoub MH, Suzuki K, Terracciano CMN. Podium Presentation at The Joint Meeting European Society of Cardiology & World Heart Federation 2006, Barcelona, Spain, September 2006.

18. Chronic Clenbuterol Treatment Improves Heart And Myocyte Function In Heart Failure, With And Without Mechanical Unloading. Soppa GK, Lee J, Stagg MA, Youssef S, Terracciano CMN, Yacoub MH, Poster Presentation at International Society for Heart Research 2006 Conference, Manchester, UK, June 2006.

19. Chronic Administration Of Clenbuterol To Mechanically Unloaded, Failing Hearts Affects Calcium Handling And Myocyte Function - Relevance To LVAD Recovery. Soppa GK, Lee J, Stagg MA, Youssef S, Terracciano CMN, Yacoub MH. Poster Presentation at The International Society for Heart and Lung Transplantation 26th Annual Meeting and Scientific Sessions, Madrid, Spain, April 2006.

20. Paracrine Effects of Transplanted Bone Marrow Cells and Skeletal Myoblasts on Recipient Cardiomyocyte Function in a Rat Model of Heart Failure. Lee J, Fukushima S, Stagg M, Soppa GK, Youssef S, Yacoub MH, Suzuki K, Terracciano CMN. Poster Presentation at The International Society for Heart and Lung Transplantation 26th Annual Meeting and Scientific Sessions, Madrid, Spain, April 2006.

21. Calcium Handling In Cardiomyocytes From Mechanically Unloaded, Failing Hearts - Role Of B2-Adrenoceptor Agonists. Soppa GK, Lee J, Stagg MA, Youssef S, Terracciano CMN, Yacoub MH. Poster Presentation at the 50th Biophysical Society Meeting, Salt Lake City, Utah, February 2006.

22. Transplantation of Bone Marrow Cells and Skeletal Myoblasts Affects Calcium Regulation of Recipient Ventricular Myocytes in a Rat Model of Heart Failure. Lee, J., Fukushima, S., Stagg, M., Soppa GK, Youssef S, Yacoub MH, Suzuki K, & Terracciano CMN. Podium Presentation at 50th Biophysical Society Meeting, Salt Lake City, Utah, February 2006.

23. Making the Most of Clinical Rotations: the student - mentor relationship in clinical settings. Youssef, S. Podium presentation at KISM Clinical Faculty Conference; Cambridge, United Kingdom, April 2003.

24. Skills Building Session on Care and Support for Injecting Drug Users. Youssef, S. In cooperation with Asian Harm Reduction Network. Facilitator during the Fifth International Conference on Home and Community Care for people living with HIV/AIDS; Chiang Mai, Thailand. December 2001.

 

Specialties

Specialties
  • Cardiac Surgery
Clinical Interests
  • Acute Coronary Syndromes
  • Aortic Aneurysm
  • Aortic Valve Replacement
  • Atrial Fibrillation
  • Bloodless Surgery
  • Cardiac Transplantation
  • Closure of Left Atrial Appendage
  • Closure of Patent Foramen Ovale
  • Connective Tissue Disease
  • Coronary Bypass
  • Critical Care Medicine
  • da Vinci (Robot-Assisted Surgery)
  • Excision of Cardiac Tumors
  • Heart Failure
  • Heart Valve Repair
  • Jehovah's Witness Cardiac Surg.
  • Maze Procedure
  • Mediastinal Masses
  • Minimally Invasive Aortic Valve Replacement
  • Minimally Invasive Maze
  • Mitral Valve Reconstruction
  • Mitral Valve Replacement
  • Pulmonary Embolism
  • Stentless Valve Replacement
  • Surgeons
  • Swedish Cardiac Surgeons
  • Swedish Cardiac Surgeons
  • Thoracic Aorta Replacement
  • Thorascopic Surgery
  • Transcatheter Aortic Valve Replacement (TAVR)
  • Tricuspid Valve Repair
  • Tricuspid Valve Replacement