Sam Hozayen, M.B., B.Ch.

  1. Hospitalist
  1. Leslie A, Chapman SA, Tessier KM, Tignanelli C, Hozayen S. Beyond the guidelines: original research on real-world outcomes of anticoagulation and corticosteroid in COVID-19. Int J Infect Dis. 2025 Apr; 153:107834 Epub 2025 Feb 08
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  2. Chapman S, Murray K, Hozayen S, Margraf D, Neumann JT, Leslie A, Sokos GG, Patel BD. Myocarditis and pericarditis diagnosis trends from 2018–2023 and the influence of COVID-19 infection and mRNA COVID-19 vaccines. Journal of the American College of Cardiology. 2024; 83(13 Suppl):595.
  3. Chapman S, Murray K, Hozayen S, Margraf D, Neumann JT, Leslie A, Sokos GG, Patel BD. Comparison of cardiovascular complications associated with myocarditis and pericarditis between COVID-19 infection and mRNA COVID-19 vaccines. Journal of the American College of Cardiology. 2024; 83(13 Suppl):595.
  4. Alabsi S, Dhole A, Hozayen S, Chapman SA. Angiotensin-Converting Enzyme 2 Expression and Severity of SARS-CoV-2 Infection. Microorganisms. 2023 Feb 28; 11 (3)
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  5. Afify S, Dhole A, Alabsi S, Chapman S, Eysa B, Shousha H, Heiba A, Khalil M, Kamal L, Abdelhalim Mohamed A, Omran D, Bahbah E, Elgebaly A, Abdelghafar MM, Tessier K, Hozayen S. Effect of anticoagulants and steroids on COVID outcomes: International study. Journal of Hospital Medicine. 2023.
  6. Leslie A, Tessier K, Tignanelli C, Chapman SA, Hozayen S. Impact of corticosteroids, anticoagulation, both or none on patient in-hospital outcomes from COVID-19 infection. Journal of General Internal Medicine. 2023; 38(Suppl 2):81-799.
  7. Potter GE, Bonnett T, Rubenstein K, Lindholm DA, Rapaka RR, Doernberg SB, Lye DC, Mularski RA, Hynes NA, Kline S, Paules CI, Wolfe CR, Frank MG, Rouphael NG, Deye GA, Sweeney DA, Colombo RE, Davey RT Jr, Mehta AK, Whitaker JA, Castro JG, Amin AN, Colombo CJ, Levine CB, Jain MK, Maves RC, Marconi VC, Grossberg R, Hozayen S, Burgess TH, Atmar RL, Ganesan A, Gomez CA, Benson CA, Lopez de Castilla D, Ahuja N, George SL, Nayak SU, Cohen SH, Lalani T, Short WR, Erdmann N, Tomashek KM, Tebas P. Temporal Improvements in COVID-19 Outcomes for Hospitalized Adults: A Post Hoc Observational Study of Remdesivir Group Participants in the Adaptive COVID-19 Treatment Trial. Ann Intern Med. 2022 Dec; 175 (12):1716-1727 Epub 2022 Nov 29
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  8. Hozayen SM, Zychowski D, Benson S, Lutsey PL, Haslbauer J, Tzankov A, Kaltenborn Z, Usher M, Shah S, Tignanelli CJ, Demmer RT. Outpatient and inpatient anticoagulation therapy and the risk for hospital admission and death among COVID-19 patients. EClinicalMedicine. 2021 Nov; 41:101139. Epub 2021 Sep 24.
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  9. Mitchell A, Guan W, Staggs R, Hamel A, Hozayen S, Grindle S, Adhikari N, John R, Hall JL, Eckman P. Identification of Differentially Expressed Transcripts and Pathways in Blood One Week and Six Months Following Implant of Left Ventricular Assist Devices. PLOS One. 2013 Oct; 8(10):e77951.
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  10. Hozayen S, El Ramly M, Farag N, Sabet S, Hassan A, El Naggar W. Preliminary Assessment of SPPB and QLI in Advanced Heart Failure. Value in Health Journal. 2012; 15(4):A127.
  11. Hozayen SM, Soliman AM, Eckman PM. Comparison of two ventricular assist device dressing change protocols. J Heart Lung Transplant 2012 Jan; 31 (1):108-9 Epub 2011 Oct 20
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  12. Eckman PM, Templeton D, Hozayen S, Baker P, John R, Colvin-Adams M, Dengel D. No change in endothelium dependent flow-mediated dilation following continuous flow ventricular assist device. Journal of Heart and Lung Transplantation. 2012; 31(4 Suppl):S262.
  13. Hozayen SM, Somani A, Nair S, Dengel D, John R, Hamel A, Eckman PM. Plasma NOx decreases following continuous flow left ventricular assist device despite lack of change in shear stress. Journal of Heart and Lung Transplantation. 2012; 31(4 Suppl):S130.
  14. Kamouh A, Pritzker M, Hozayen S, John R, Eckman P. Left ventricular assist device (LVAD) thrombosis: A diagnostic dilemma and therapeutic challenge. Journal of Cardiac Failure. 2012; 18(Suppl 1):S37.
  15. Hozayen SM, El Ramly M, Hassan A, El Naggar W, Farag N, Sabet S. Markers of satisfactory versus unsatisfactory response to cardiac resynchronization therapy. European Journal of Heart Failure Supplements. 2011; 10(1):747.
  16. Hozayen SM, El M, Hassan A, El W, Farag N, Sabet S. Reverse electrical remodeling after ventricular assist device may predict risk of heart failure hospitalization. European Journal of Heart Failure Supplements. 2011; 10(1):S3-S4.
  17. Mansi S, Madkour M, Elmaged M A, Ezzat M, Attia W, Hozayen S. Value of left atrial function in predicting effort capacity in patients with left ventricular systolic dysfunction. European Journal of Heart Failure. 2010; 9(1):S174.
  18. Hozayen S, Farag N, Sabet S, Raymond R, El Ramly M, Hassan A, El Naggar W. In-hospital management of heart failure: An Egyptian perspective. Journal of the Egyptian Society of Hypertension. 2010.
  19. Hozayen SM, Rosenbaum A, Duval S, John R, Eckman P. Impact of continuous flow ventricular assist device on QRS duration and QT interval: A relation to mortality. Heart Rhythm. 2010; 7(5 Suppl):PO643.
  20. Hozayen SM, El Ramly M, Hassan A, El Naggar W, Farag N, Sabet S. Electrocardiography, chest radiology, and echocardiography data of hospitalized heart failure patients. European Journal of Heart Failure. 2010; 9(1):S221.
  21. Hozayen S, Farag N, Sabet S, Raymond R, El Ramly M, Hassan A, El Naggar W. Characteristics and outcome of acute heart failure patients in Egypt. European Journal of Heart Failure. 2009; 8(2).