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Vsevolod Y Polotsky, M.D., Ph.D.

Photo of Dr. Vsevolod Y Polotsky, M.D., Ph.D.

Professor of Medicine

Male

Languages: English, Russian

Expertise: Critical Care Medicine, Pulmonary Disease and Critical Care Medicine, Pulmonary Medicine, Sleep Medicine

Research Interests: Hypoxia; Obesity; Metabolic Syndrome; Obstructive Sleep Apnea

Locations

Johns Hopkins Bayview Medical Center
Appointment Phone: 410-550-5864

4940 Eastern Avenue
Baltimore, MD 21224 map
Phone: 410-955-9434

Johns Hopkins Outpatient Center
Appointment Phone: 410-955-3467

601 N. Caroline St.
Baltimore, MD 21287 map
Phone: 410-955-9434

The Johns Hopkins Hospital
Appointment Phone: 410-955-3467

600 N. Wolfe Street
Sheikh Zayed Tower
Baltimore, MD 21287 map

Background

Dr. Vsevolod Y. (Seva) Polotsky is a professor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include critical care medicine and pulmonary medicine.

Dr. Polotsky earned his M.D. from Pavlov State Medical University. He completed residencies at Pavlov State Medical University and Norwalk Hospital. He performed a fellowship at the Weizmann Institute Weinberg Graduate School and a fellowship in medicine at Johns Hopkins.

His research interests include hypoxia, obesity and metabolic syndrome.

Dr. Polotsky is a member of several professional organizations, including the American Academy of Sleep Medicine and the American Thoracic Society.

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Titles

  • Professor of Medicine

Education

Degrees

  • MD, Pavlov State Medical University (1984)

Residencies

  • Pavlov State Medical University / Infectious Diseases (1986)
  • Norwalk Hospital / Internal Medicine (1998)

Fellowships

  • Weizmann Institute Weinberg Graduate School (1991)
  • Johns Hopkins University School of Medicine / Medicine (2002)

Board Certifications

  • American Board of Internal Medicine / Internal Medicine (1998, 2008)
  • American Board of Internal Medicine / Pulmonary Disease (2002, 2012)
  • American Board of Internal Medicine / Sleep Medicine (2007)

Research & Publications

Selected Publications

View all on Pubmed

  1. Polak J, Shimoda LA, Drager LF, Undem C, McHugh H, Polotsky VY, Punjabi NM. Intermittent hypoxia impairs glucose metabolism in C57BL6/J mice: partial improvement with cessation of the exposure. Sleep. 2013 Oct 1;36(10):1483-1490.
  2. Drager LF, Yao Q, Hernandez KL, Shin M-K; Bevans-Fonti S, Gay J, Sussan TE, Jun JC, Myers AC, Olivecrona G, Schwartz AR, Halberg N, Scherer PE, Semenza GL, Powell DR, Polotsky VY. Chronic intermittent hypoxia induces atherosclerosis via activation of adipose angiopoietin-like 4. Am J Respir Crit Care Med. 2013 Jul 15;188(2):240-8.
  3. Aggarwal NR, D'Alessio FR, Eto Y, Chau E, Avalos C, Waickman AT, Garibaldi BT, Mock JR, Files DC, Sidhaye V, Polotsky VY, Powell J, Horton M, and King LS. Macrophage A2A adenosinergic receptor (ADORA2A) modulates oxygen-induced augmentation of murine lung injury. Am J Respir Cell Mol Biol. 2013 May;48(5):635-46.
  4. Yao Q, Shin M-K, Jun JC, Hernandez KL, Aggarwal NR, Mock JR, Gay J, Drager LF, Polotsky VY. The effect of chronic intermittent hypoxia on triglyceride uptake in different tissues. J Lipid Res. 2013 Apr;54(4):1058-65.
  5. Jun JC, Shin MK, Yao Q, Devera R, Bevans-Fonti S, and Polotsky VY. Thermoneutrality Modifies the Impact of Hypoxia on Lipid Metabolism. Am J Physiol Endocrinol Metab. 2013 Feb;304(4):E424-35.
  6. Shin M-K, Drager LF, Yao Q, Bevans-Fonti S, Yoo D-Y, Jun JC, Aja S, Bhanot S, and Polotsky VY. Metabolic consequences of high fat diet are attenuated by suppression of HIF-1a. PLoS One. 2012 Oct 1;7(10): e46562.
  7. Jun JC, Shin MK, Yao Q, Bevans-Fonti S, Poole J, Drager LF, and Polotsky VY. Acute hypoxia induces hypertriglyceridemia by decreasing plasma triglyceride clearance in mice. Am J Physiol Endocrinol Metab. 2012 Aug;303(3):E377-88.
  8. Polotsky M., El-Sayed A., Pichard LE, Harris CC, Smith PL, Schneider H., Kirkness JP, Polotsky VY, Schwartz AR. Effects of leptin and obesity on the upper airway. J Appl Physiol. 2012 May;112(10):1637-43.
  9. Reinke C, Bevans-Fonti S, Drager LF, Shin M-K and Polotsky VY. Effects of different hypoxic regimens on tissue oxygen profiles and metabolic outcomes. J Appl Physiol. 2011 Sep;111(3):881-90.
  10. Polotsky M., El-Sayed A., Smith PL, Schneider H., Kirkness JP, Polotsky VY, Schwartz AR. Effect of age and weight on upper airway function in a mouse model. J Appl Physiol. 2011 Sep;111(3):696-703.
  11. Drager LF, Li J, Reinke C, Bevans-Fonti S, Jun JC and Polotsky VY. Intermittent hypoxia exacerbates metabolic effects of diet-induced obesity. Obesity (Silver Spring). 2011 Nov; 19(11):2167-2174.
  12. Drager LF, Li J, Shin M-K, Reinke C, Aggarwal NR, Jun JC, Bevans-Fonti S, Cztalryd C, O'Byrne SM, Kroupa O, Olivecrona G, Blaner WS and Polotsky VY. Intermittent Hypoxia Inhibits Clearance of Triglyceride Rich Lipoproteins and Inactivates Adipose Lipoprotein Lipase in a Mouse Model of Sleep Apnea. Eur Heart J. 2012 Mar;33(6):783-90. Epub 2011 Apr 9.
  13. Jun JC, Drager LF, Najjar SS, Gottlieb SS, Brown CD, Smith PL, Schwartz AR, Polotsky VY. Effects of sleep apnea on nocturnal free fatty acids in subjects with heart failure. SLEEP 2011;34(9):1207-1213.
  14. Pallayova M, Steele KE, Magnuson TH, Schweitzer MA, Smith PL, Patil SP, Bevans-Fonti S, Polotsky VY, Schwartz AR. Sleep Apnea Determines Soluble TNF-a Receptor 2 Response to Massive Weight Loss. Obes Surg. 2011 Sep;21(9):1413-23.
  15. Yang R, Sikka G, Larson J, Watts VL, Niu X, Ellis C, Miller K, Camara A, Reinke C, Savransky V, Polotsky VY, O'Donnell CP, Berkowitz DE, and Barouch LA. Restoring Leptin Signaling Reduces Hyperlipidemia and Improves Vascular Stiffness Induced by Chronic Intermittent Hypoxia. Am. J. Physiol. Heart Circ. Physiol. 2011 Apr;300 (4): H1467-76.
  16. Reinke C, Bevans-Fonti S, Grigoryev DN, Drager LF, Myers AC, Wise RA, Schwartz AR, Mitzner W and Polotsky VY. Chronic Intermittent Hypoxia Induces Lung Growth in Adult Mice Am J Physiol Lung Cell Mol Physiol. 2011 Feb;300(2):L266-73.
  17. Drager LF, Heno FL, Maki-Nunes, C, Trombetta, IC, Toschi-Dias, E, Alves, MJ, Fraga RF, Jun JJ, Negrão, CE, Krieger EM, Polotsky VY and Lorenzi-Filho, G. The Impact of Obstructive Sleep Apnea on Metabolic and Inflammatory Markers in Consecutive Patients with Metabolic Syndrome. PLoS One. 2010 Aug 11;5(8). pii: e12065.
  18. Polotsky VY, Savransky V, Bevans-Fonti S, Reinke C, Li J, Grigoryev DN, Shimoda LA. Intermittent and sustained hypoxia induce a similar gene expression profile in the human aortic endothelial cells. Physiol Genomics, May 1, 2010; 41(3): 306 - 314.
  19. Aggarwal NR, D'Alessio FR, Tsushima K, Files DC, Damarla M, Sidhaye VK, Fraig MM, Polotsky VY, King LS. Moderate oxygen augments lipopolysaccharide-induced lung injury in mice. Am J Physiol Lung Cell Mol Physiol. 2010 Mar;298(3):L371-81. Epub 2009 Dec 24.
  20. Jun J, Reinke C, Bedja D, Berkowitz D, Bevans-Fonti S, Li J, Barouch LA, Gabrielson K, and Polotsky VY. Effect of Intermittent Hypoxia on Atherosclerosis in Apolipoprotein E-deficient Mice. Atherosclerosis. 2010 Apr;209(2):381-386. Epub 2009 Oct 17.
  21. Savransky V, Reinke C, Jun J, Bevans-Fonti S, Nanayakkara A, Li J, Myers AC, Torbenson MS, and Polotsky VY. Chronic Intermittent Hypoxia and Acetaminophen Induce Synergistic Liver Injury. Exp Physiol. 2009; 94:228-39.
  22. Polotsky VY, Patil SP, Savransky V, Laffan A, Fonti S, Frame LA, Steele KE, Schweitzer MA, Clark JM, Torbenson MS, Schwartz AR. Obstructive Sleep Apnea, Insulin resistance and Steatohepatitis in Severe Obesity. Am. J. Respir. Crit. Care Med. 2009; 179: 228-234.
  23. Sussan TE, Jun J, Thimmulappa R, Bedja D, Antero M, Gabrielson KL, Polotsky VY, Biswal S. Disruption of Nrf2, a key inducer of antioxidant defenses, attenuates ApoE-mediated atherosclerosis in mice. PLoS ONE. 2008;3(11):e3791. Epub 2008 Nov 21.
  24. Savransky V., Jun J., Li J., Nanayakkara A, Fonti S., Moser AB, Steele KE, Schweitzer MA, Patil SP, Bhanot S., Schwartz AR, and Polotsky VY. Dyslipidemia and Atherosclerosis Induced by Chronic Intermittent Hypoxia Are Attenuated by Deficiency of Stearoyl Coenzyme A Desaturase. Circ. Res. 2008 Nov 7;103(10):1173-80.
  25. Balbir A, Lande B, Fitzgerald RS, Polotsky V, Mitzner W, Shirahata M. Behavioral and respiratory characteristics during sleep in neonatal DBA/2J and A/J mice. Brain Res. 2008 Nov 19;1241:84-91.
  26. Jun JC, Savransky V, Nanayakkara A, Bevans S, Li J, Smith PL, Polotsky VY. Intermittent Hypoxia has Organ-Specific Effects on Oxidative Stress. Am J Physiol Regul Integr Comp Physiol. 2008 Oct;295(4):R1274-81.
  27. Liu A, Pichard L, Schneider H, Patil SP, Smith PL, Polotsky VY, Schwartz AR. Neuromechanical control of the isolated upper airway of mice. J Appl Physiol. 2008 Oct;105(4):1237-45.
  28. Schwartz AR, Patil SP, Laffan AM, Polotsky V, Schneider H, Smith PL. Obesity and obstructive sleep apnea: pathogenic mechanisms and therapeutic approaches. Proceedings of the American Thoracic Society. 2008. 5:185-192.
  29. Savransky V, Bevans S, Nanayakkara A, Li J, Smith PL, Torbenson MS, and Polotsky VY. Chronic Intermittent Hypoxia Causes Hepatitis in a Mouse Model of Diet-Induced Fatty Liver. Am J Physiol Gastrointest Liver Physiol. 2007.Oct;293(4):G871-G877. Epub 2007 Aug 9.
  30. Li, J., Nanayakkara A., Jun J., Savransky V., and Polotsky VY. The Effect of Deficiency in SREBP Cleavage-Activating Protein (SCAP) on Lipid Metabolism during Intermittent Hypoxia. Physiol Genomics. 2007 Oct 22;31(2):273-80. Epub 2007 Jul 31.
  31. Savransky V, Nanayakkara A, Vivero A, Li J, Bevans S, Smith PL, Torbenson MS, and Polotsky VY. Chronic intermittent hypoxia predisposes to liver injury. Hepatology. 2007 Apr;45(4):1007-13.
  32. Savransky V, Nanayakkara A, Li J, Bevans S, Smith PL, Rodriguez A., and Polotsky VY. Chronic intermittent hypoxia induces atherosclerosis. Am J Respir Crit Care Med. 2007 Jun 15;175(8):1290-7. Epub 2007 Mar 1.
  33. Iioyori N, Alonso LC, Li J., Sanders MH, Garcia-Ocana A., O'Doherty RM, Polotsky VY, and O'Donnell CP. Intermittent Hypoxia Causes Insulin Resistance in Lean Mice Independent of Autonomic Activity. Am J Respir Crit Care Med2007 Apr 15;175(8):851-7. Epub 2007 Feb 1.
  34. Li, J., Savransky V., Nanayakkara A., Smith P.L., O'Donnell C.P., and Polotsky V.Y. Hyperlipidemia and lipid peroxidation are dependent on the severity of chronic intermittent hypoxia. J Appl Physiol. 2007 Feb;102(2):557-63. Epub 2006 Nov 2.
  35. Polotsky VY, O'Donnell CP. Genomics of Sleep-Disordered Breathing. Proceedings of the American Thoracic Society. 2007. 4:121-126
  36. Li, J., M. Bosch-Marce, A Nanayakkara, V Savransky, S K Fried, G L Semenza, and VY Polotsky. 2006. Altered metabolic responses to intermittent hypoxia in mice with partial deficiency of hypoxia-inducible factor-1alpha. Physiol Genomics 25:450-457.
  37. Polotsky VY, Rubin AE, Balbir A, Dean T, Smith PL, Schwartz AR, O'Donnell CP. Intermittent hypoxia causes REM sleep deficits and decreases EEG delta power in NREM sleep in the C57BL/6J mouse. Sleep Med. 2006 Jan;7(1):7-16. Epub 2005 Nov 23.
  38. LiJ, Grigoryev DN, YeSQ, ThorneLN, SchwartzAR, Smith PL, O'DonnellCP, and PolotskyVY. Chronic intermittent hypoxia exacerbates hyperlipidemia and up-regulates genes of lipid biosynthesis in obese mice. J Appl Physiol. 2005 Nov;99(5):1643-8. Epub 2005 Jul 21.
  39. Li J, Thorne LN, Punjabi NM, Sun CK, Schwartz AR, Smith PL, Rafael ML, Rodriguez A, Walter HC, O'Donnell CP, Polotsky VY. Intermittent hypoxia induces hyperlipidemia in lean mice. Circ Res. 2005 Sep 30;97(7):698-706. Epub 2005 Aug 25.
  40. Polotsky VY, Smaldone MC, Scharf MT, Li J, Tankersley CG, Smith PL, Schwartz AR, O'Donnell CP. The impact of interrupted leptin pathways on ventilatory control. J Appl Physiol. 2004 Mar;96(3):991-8.
  41. Polotsky VY, Li J, Punjabi NM, Rubin AE, Smith PL, Schwartz AR, O'Donnell CP. Intermittent hypoxia increases insulin resistance in genetically obese mice. J Physiol Oct 1;552(Pt 1):253-64, 2003.
  42. Rubin AE, Polotsky VY, Balbir A, Krishnan JA, Schwartz AR, Smith PL, Fitzgerald RS, Tankersley CG, Shirahata M,O'Donnell CP. Differences in sleep induced hypoxia between A/J and DBA/2J mouse strains. Am J Respir Crit Care Med. 2003 Dec 15;168(12):1520-7.
  43. Tagaito Y, Polotsky VY, Campen MJ, Wilson JA, Balbir A, Smith PL, Schwartz AR, O'Donnell CP. A model of sleep disordered breathing in the C57BL/6J mouse. J Appl Physiol Dec;91(6):2758-66, 2001.
  44. Polotsky VY, Wilson JA, Smaldone MC, Haines AS, Hurn PD, Tankersley CG, Smith PL, Schwartz AR, O'Donnell CP. Female gender exacerbates respiratory depression in leptin-deficient obesity. Am J Respir Crit Care Med. 164: 1470-1475, 2001.
  45. Polotsky VY, Wilson JA, Haines AS, Scharf MT, Soutiere SE, Tankersley CG, Smith PL, Schwartz AR, O'Donnell CP. The impact of insulin-dependent diabetes on ventilatory control in the mouse. Am J Respir Crit Care Med 163: 624-632, 2001.

Chopra S, Polotsky VY, Jun JC. "Sleep apnea research in animals: past, present, and future." Am J Respir Cell Mol Biol. 2015 Oct 8. [Epub ahead of print]

Mesarwi OA, Sharma EV, Jun JC, Polotsky VY. "Metabolic dysfunction in obstructive sleep apnea: A critical examination of underlying mechanisms." Sleep Biol Rhythms. 2015 Jan;13(1):2-17.

Shirahata M, Tang WY, Shin MK, Polotsky VY. "Is the carotid body a metabolic monitor?" Adv Exp Med Biol. 2015;860:153-9. doi: 10.1007/978-3-319-18440-1_17.

Drager LF, Polotsky VY, O'Donnell CP, Cravo SL, Lorenzi-Filho G, Machado BH. "Translational approaches to understanding metabolic dysfunction and cardiovascular consequences of obstructive sleep apnea." Am J Physiol Heart Circ Physiol. 2015 Oct;309(7):H1101-11. doi: 10.1152/ajpheart.00094.2015. Epub 2015 Jul 31. Review.

Mesarwi OA, Shin MK, Drager LF, Bevans-Fonti S, Jun JC, Putcha N, Torbenson MS, Pedrosa RP, Lorenzi-Filho G, Steele KE, Schweitzer MA, Magnuson TH, Lidor AO, Schwartz AR, Polotsky VY. "Lysyl oxidase as a serum biomarker of liver fibrosis in patients with severe obesity and obstructive sleep apnea." Sleep. 2015 Jun 11. pii: sp-00690-14. [Epub ahead of print]

Activities & Honors

Honors

  • Special Invited Speaker, French Sleep Research Society Congress, Marseille, France, 2013
  • Member, American Thoracic Society, Board of Directors, 2013
  • Chair, Sleep and Respiratory Neurobiology Assembly, American Thoracic Society, 2013
  • Keynote Speaker, 9th Annual Center for Sleep and Circadian Neurobiology Research Retreat at the University of Pennsylvania in Philadelphia, 2012
  • Chair, Planning Committee, Sleep and Respiratory Neurobiology Assembly, American Thoracic Society, 2010 - 2012
  • Fellow, American Academy of Sleep Medicine (FAASM), 2009
  • Chair, Program Committee, Sleep and Respiratory Neurobiology Assembly, American Thoracic Society, 2009 - 2010
  • ATS International Conference Best Abstract of the, Respiratory Neurobiology and Sleep Assembly, 2008
  • Beginning Grant-In-Aid, American Heart Association, 2007
  • Best Poster, 10th International Conference on Sleep and Breathing, Palm Cove, Australia, 2007
  • Young Investigator Award, Respiratory Neurobiology and Sleep Assembly, ATS, 2006
  • R01, NIH, NHLBI, 2005
  • ATS International Conference Best Abstract of the Respiratory Neurobiology and Sleep Assembly, 2003
  • K08 Mentored Clinical Scientist Development Award, 2002
  • Respiratory Neurobiology and Sleep Assembly Travel Award, 1999
  • National Research Service Award, 1998
  • Physician Recognition Award, 1998
  • Physician Recognition Award, 2000
  • Medical Diploma cum laude (USSR), 1984
  • State award for academic achievements (USSR), 1981
  • Special stipend for academic excellence (USSR), 1978 - 1984
  • Conference Best Abstract (Respiratory Neurobiology and Sleep Assembly), ATS International, 2008
  • Fellow, American Heart Association, 2006

Memberships

  • American Academy of Sleep Medicine, 2003
    Fellow
  • American Heart Association, 2006
  • American Medical Association, 1998
  • American Thoracic Society, 1999
    International Conference Committee, American Thoracic Society, 2008-2010; Chair, Planning Committee, Sleep and Respiratory Neurobiology Assembly, 2010-2012, Chair, 2013; Board of Directors, 2013-2015

Professional Activities

  • Fellow, American Academy of Sleep Medicine, 2003
  • Chair, American Thoracic Society, 2009
    Program Committee, Sleep and Respiratory Neurobiology Assembly
  • Chair, American Thoracic Society, 2010 - 2012
    Program Committee, Sleep and Respiratory Neurobiology Assembly
  • Chair, American Thoracic Society, 2013
    Sleep and Respiratory Neurobiology Assembly
  • Chair-Elect, American Thoracic Society, 2008
    Program Committee, Sleep and Respiratory Neurobiology Assembly
  • Board of Directors, American Thoracic Society, 2013 - 2015
  • Chair, Sleep and Respiratory Neurobiology Assembly, American Thoracic Society, 2013
  • Chair, Planning Committee, Sleep and Respiratory Neurobiology Assembly, American Thoracic Society, 2010 - 2012
  • Chair, Program Committee, Sleep and Respiratory Neurobiology Assembly, American Thoracic Society, 2009 - 2010
  • International Conference Committee, American Thoracic Society, 2008 - 2010
  • Chair, Planning Committee, Sleep and Respiratory Neurobiology Assembly, American Thoracic Society, 2010 - 2012

Videos & Media

Lectures and Presentations

  • Visiting Professor
    Pittsburg, PA (01/01/2004)
    University of Pittsburg School of Medicine
  • Johns Hopkins Bloomberg School of Public Health
    Baltimore, MD (01/01/2004)
  • 9th International Symposium on Sleep and Breathing
    Newport, RI (01/01/2004)
  • University of Maryland School of Medicine
    Baltimore, MD (01/01/2005)
  • Visiting Professor
    Chicago, IL (01/01/2005)
    University of Chicago School of Medicine
  • Visiting Professor
    Cleveland, OH (01/01/2005)
    Case Western Reserve University
  • Founding Congress of the World Association of Sleep Medicine (WASM)
    Berlin, Germany (01/01/2005)
  • Sleep, Breathing and Metabolic Function
    ATS International Conference , San Diego, CA (01/01/2006)
  • Clinical Nutrition Research Center
    Birmingham, AL (01/01/2006)
    University of Alabama at Birmingham
  • Center for Narcolepsy and Sleep Research University of Illinois at Chicago
    Chicago, IL (01/01/2006)
  • GRECC and CNRU Joint Seminar
    Baltimore, MD (01/01/2006)
    University of Maryland
  • SLEEP 2006 20th Anniversary Meeting of the Associated Professional Sleep Societies
    Salt Lake City, Utah (01/01/2006)
  • Pennsylvania State College of Medicine
    Hershey, PA (01/01/2006)
  • University of Rochester
    Rochester, NY (01/01/2006)
  • Cincinnati Children''s Hospital Medical Center
    Cincinnati, OH (01/01/2006)
  • the Rappoport Faculty of Medicine
    Haifa, Israel (01/01/2007)
    Technion
  • Symposium ‘Sleep Apnea as a Mechanism of Atherosclerosis: from Bench to Bedside’
    ATS International Conference , Toronto, Canada (01/01/2008)
  • Annual Meeting of the Associated Professional Sleep Societies
    Baltimore, MD (01/01/2008)
  • Symposium ‘Oxidative Stress and Inflammation in Obstructive Sleep Apnea’
    Montreal, Canada (01/01/2008)
    Meakins-Christie Laboratories, McGill University
  • Asian-Pacific Society of Respirology
    Bangkok, Thailand (01/01/2008)
  • Ohio State University
    Columbus, OH (01/01/2009)
  • Hypoxia and Hypercapnia in Sleep: the Good and the Bad
    Symposium , ATS International Conference , San Diego, CA (01/01/2009)
  • Metabolic Syndrome and Respiratory Disorders
    Symposium , ATS International Conference , San Diego, CA (01/01/2009)
  • Inflammatory Mediators and Chronic Inflammation in Sleep Pathology
    Seattle, WA (01/01/2009)
    SLEEP
  • Henry Ford Hospital , Detroit, MI (01/01/2009)
  • Data from Animal Models: role of IH and obesity
    Intermittent Hypoxia and Adipose Tissue , Palermo, Italy (01/01/2009)
  • CPAPA treatment: effects on plasma lipids and liver function
    Intermittent Hypoxia and Adipose Tissue , Palermo, Italy (01/01/2009)
  • the Rappoport Faculty of Medicine , Haifa, Israel (01/01/2009)
    Technion
  • the Johns Hopkins Bayview Medical Center Medical Grand Rounds
    Baltimore, MD (01/01/2009)
  • Allergy and Clinical Immunology Research Conference
    Baltimore, MD (01/01/2010)
    The Johns Hopkins Bayview Medical Center
  • Lung Research Conference , Baltimore, MD (01/01/2010)
    The Johns Hopkins University School of Medicine
  • Acute Neuroscience Seminar , Baltimore, MD (01/01/2010)
    The Johns Hopkins University School of Medicine
  • Obesity in Pulmonary Medicine
    Symposium , ATS International Conference , New Orleans, LA (01/01/2010)
  • Should We Treat Asymptomatic OSA patients
    Symposium , New Orleans, LA (01/01/2010)
  • NHLBI workshop ’Defining molecular pathways and mechanisms that predict CVD risk associated with SDB’
    Bethesda, MD (01/01/2010)
  • Obesity and Obstructive Sleep Apnoea: Interacting Actors
    Symposium , Lisbon, Portugal (01/01/2010)
    20th Congress of the European Sleep Research Society
  • Visiting Professor
    Indiana University , Indianapolis, IN (01/01/2010)
  • University of Pittsburgh
    Pittsburgh, PA (01/01/2010)
  • Norwalk Hospital
    Norwalk, Ct (01/01/2011)
  • Physiology of Intermittent Hypoxia
    ATS International Conference , Denver, Co (01/01/2011)
  • Consequences of Intermittent Hypoxia
    ATS International Conference , Denver, Co (01/01/2011)
  • Intermittent hypoxia model and clinical trials: evidence regarding cardiovascular and metabolic morbidities in sleep apnea
    Symposium , World Sleep , Japan, Kyoto (10/01/2011)
  • Molecular effects of Obstructive Sleep Apnea: Summary and Perspectives
    Symposium , World Sleep , Japan, Kyoto (10/01/2011)
  • Risks, Benefits, and Challenges of Human Research in Sleep Apnea
    Baltimore, MD (03/01/2012)
  • Keynote Speaker , 9th Annual Center for Sleep and Circadian Neurobiology Research Retreat , Pennsylvania, PA (06/09/2012)
    University of Pennsylvania in Philadelphia
  • 21st Congress of the European Sleep Research Society
    Paris, France (01/01/2012)
  • Joseph Fourier University of Grenoble
    Grenoble, France (01/01/2012)
  • Guest Lecturer
    Montreal, Canada (01/01/2013)
    McGill University Health Centre Research Institute
  • Experimental Biology 2013
    Boston, MA (01/01/2013)
  • Obesity and Metabolism: An Emerging Frontier in Health and Disease
    Burlington, VT (01/01/2013)
  • Asian Pacific Society of Respirology
    Yokohama, Japan (01/01/2013)
  • Keynote Speaker , Marseille, France (01/01/2013)
    French Sleep Research Society Congress
  • Keynote Speaker , Marseille, France (01/01/2013)
    French Sleep Research Society Congress
  • Acute Neuroscience Seminar , Baltimore, MD (01/01/2010)
    The Johns Hopkins University School of Medicine
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