Emil Najjar
About me
Higher Education
2024 EuroElso 40-hour training course in ECMO, France
2024 ISHLT Master Academy in Heart Failure and Transplantation, Czech Republic
2022 Core Competencies in Basic Science and Translational Research, live virtual activity, ISHLT Academy
2022 The London Postgraduate Course in Heart Failure Management, University of Zurich, Switzerland
2020 PhD, Department of cardiology, Karolinska Institutet, Sweden
Thesis “Hemodynamics, echocardiography, and biomarkers in different heart failure phenotypes”
2019 Master class in mechanical circulatory support, ISHLT, USA
2018 Core competencies in mechanical circulatory support, ISHLT, France
Clinical Board Certificates
2022 European Heart Failure Association Certification Exam
2014 Board certification in Cardiology, Sweden
2013 European certification in adult transthoracic echocardiography, Greece
2012 Board certification in Internal Medicine, Sweden
2007 License to practice medicine, Sweden
Current Employment:
2021- Consultant cardiologist, Heart and Vascular Theme, Section for Heart Failure and Valvular disease, Karolinska University Hospital, Stockholm, Sweden
2020- Clinical researcher, Karolinska Institutet, Stockholm, Stockholm, Sweden
2018- Medical director for ventricular assist device program, Karolinska University Hospital, Stockholm, Sweden
Previous Employment:
2015-2020 Cardiology specialist, Heart and Vascular theme, Section for Heart Failure and Valvular disease, Karolinska University Hospital, Stockholm, Sweden
2012-2014 Fellowship cardiology, Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden
2011-2012 Residency, Internal medicine, Karolinska University Hospital, Stockholm, Sweden
2007-2011 Residency, Internal medicine, Södertälje Hospital, Stockholm, Sweden
2006-2007 Internship, Södertälje Hospital, Stockholm, Stockholm, Sweden
-International Society for Heart and Lung Transplantation
-Swedish Society of Cardiology
-Fellow of the Heart Failure Association of the ESC
-European Society of Cardiology
-Co-chair for the VAD Wean Protocol Working Group
Research
My research focuses on advanced heart failure and left ventricular assist device therapy, particularly optimization of HeartMate 3 devices and improving long-term patient outcomes. I am actively involved in VAD weaning registry and have a strong interest in cardiac recovery.
Clinical Trial Experience
-Local principal investigator for SweVAD (Randomized trial of a left ventricular assist device as destination therapy versus guideline-directed medical therapy in patients with advanced heart failure)
-National principal investigator for VICTOR (VerICiguaT in adults withChrOnicheart failure and Reduced ejection fraction)
- National principal investigator for VELOCITY HF trial (A study to learn how safe starting vericiguat at a dose of 5 milligrams is in participants with chronic heart failure with reduced ejection fraction)
GCP: Certified; most recent re-certification 2024
Teaching
Supervision & Teaching Experience
-Main supervisor for a PhD student: Abraham Merzo since 2023, Karolinska Institutet, Sweden
-Co-supervisor for a PhD student Daniel Ceken since 2023, Karolinska Institutet, Sweden
-About 200 teaching hours about heart failure for medical students, residents, fellows, specialists
Conference & Event Organization
Organized three international medical conferences at Karolinska University Hospital:
– First Nordic and Baltic LVAD Meeting (June 2022)
– Karolinska Heart Failure Summit (June 2023)
– Karolinska Cardiogenic Shock Days (June 2025)
Articles
- Journal article: JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY. 2025;86(15):1111-1123Gallone G; Baldetti L; Veen KM; Bernhardt AM; Caliskan K; Fiane A; Najjar E; Netuka I; Özbaran M; Pya Y; Scandroglio AM; Spitaleri A; Sangiorgi D; Zimpfer D; Färber G; Gummert J; Meyns B; de By TMMH; Schoenrath F; De Ferrari GM; Rinaldi M; Potapov E; Loforte A
- Journal article: LAKARTIDNINGEN. 2025;122:24069Dellgren G; Braun O; Björklund E; Najjar E; Tossavainen E; van der Wal H; Szabo-Söderberg B; Karason K
- Article: ASAIO JOURNAL. 2025;71(6):e100-e103Nemer E; Rassam R; Kristensen AH; Thorvaldsen T; Dalen M; Najjar E
- Journal article: JOURNAL OF HEART AND LUNG TRANSPLANTATION. 2025;44(4):s177-s178Ton V; Najjar E; Yehya A; Bernhardt A; Sokolski M; Hrytsyna Y; Knierim J; Schloeglhofer T; Caliskan K; Zimpfer D; Perez SM; Kanwar M; Patel S; Potapov E
- Journal article: JOURNAL OF HEART AND LUNG TRANSPLANTATION. 2025;44(4):s7Maneta E; Kyriakopoulos CP; Dranow E; Tseliou E; Wever-Pinzon O; Deol A; Najjar E; MacGowan G; Schueler S; Crespo M; Stehlik J; Selzman C; Patel S; Drakos SG
- Article: EUROPEAN JOURNAL OF CARDIO-THORACIC SURGERY. 2025;67(2):ezaf016Veen KM; Ahmed M; Stark C; Botta L; Anastasiadis K; Bernhardt A; Berchtold-Herz M; Caliskan K; Reineke D; Damman K; Fiane A; Gkouziouta A; Gollmann-Tepekoeylue C; Najjar E; Hulman M; Iacovoni A; Loforte A; Merkely B; Musumeci F; Comisso M; Nemec P; Netuka I; Oezbaran M; Potapov E; Pya Y; Rabago G; Ramjankhan F; Scandroglio AM; Pieri M; Reichenspurner H; Dashkevich A; Stockman B; Vanderheyden M; Tops L; Wahlers T; Przybylowski P; Zimpfer D; Logstrup BB; Santer D; Faerber G; Gummert J; Meyns B; de By TMMH; Schoenrath F
- Article: ASAIO JOURNAL. 2024;70(10):e147-e149Hallberg Kristensen A; Svenarud P; Lund LH; Najjar E
- Article: JHLT OPEN. 2024;4:100093Merzo A; Dalén M; Kristensen AH; Melin M; Faxén J; Edfors R; Najjar E
- Journal article: JOURNAL OF HEART AND LUNG TRANSPLANTATION. 2024;43(4):s542-s543Ceken D; Damlin A; Loewenstein DE; Shah P; Birks EJ; Hickey GW; Mignone JL; Gustafsson F; Patel SR; Drakos SG; Eriksson MJ; Carlsson M; Najjar E
- Journal article: JOURNAL OF HEART AND LUNG TRANSPLANTATION. 2024;43(4):s173-s174Kittipibul V; Ceken D; Russell S; Damlin A; Eriksson MJ; Carlsson M; Najjar E; Kanwar M; Adachi I; Tang P; Topkara V; Patel S; Drakos S; Agarwal R
- Journal article: EUROPEAN HEART JOURNAL: CASE REPORTS. 2023;7(12):ytad594Massoud L; Westling K; Fischer M; Najjar E
- Article: JOURNAL OF CARDIAC FAILURE. 2021;27(3):277-285Najjar E; Lund LH; Hage C; Nagy AI; Johnson J; Manouras A
- Article: ESC HEART FAILURE. 2020;7(2):663-672Najjar E; Thorvaldsen T; Dalen M; Svenarud P; Kristensen AH; Eriksson MJ; Maret E; Lund LH
- Article: SCANDINAVIAN CARDIOVASCULAR JOURNAL. 2019;53(1):21-27Najjar E; Faxen UL; Hage C; Donal E; Daubert J-C; Linde C; Lund LH
- Article: JOURNAL OF CARDIOTHORACIC SURGERY. 2018;13(1):74Najjar E; Kristensen AH; Thorvaldsen T; Hubbert L; Svenarud P; Dalen M; Broberg AM; Lund LH
- Article: ESC HEART FAILURE. 2018;5(3):302-308Najjar E; Stalhberg M; Hage C; Ottenblad E; Manouras A; Lofman IH; Lund LH
All other publications
- Other: EUROPEAN HEART JOURNAL: CASE REPORTS. 2023;7(12):ytad594Massoud L; Westling K; Fischer M; Najjar E
- Other: JACC: CASE REPORTS. 2021;3(3):459-463Najjar E; Hallberg Kristensen A; Thorvaldsen T; Dalén M; Jorde UP; Lund LH
- Other: EUROPEAN HEART JOURNAL: CASE REPORTS. 2021;5(3):ytab084Najjar E; Dalen M; Schwieler J; Lund LH
- Conference publication: JOURNAL OF HEART AND LUNG TRANSPLANTATION. 2020;39(4):S233Najjar E; Hage C; Lund LH; Johnson JJ; Manouras A
- Conference publication: JOURNAL OF HEART AND LUNG TRANSPLANTATION. 2020;39(4):S340Najjar E; Thorvaldsen T; Kristensen AH; Dalen M; Lund LH; Eriksson MJ; Maret E
- Doctoral thesis: 2020Najjar E
- Conference publication: EUROPEAN JOURNAL OF HEART FAILURE. 2017;19:554-555Najjar EE; Lund LH; Faxen UL; Hage C; Donal E; Daubert J; Linde C
- Conference publication: EUROPEAN JOURNAL OF HEART FAILURE. 2017;19:52-53Najjar EE; Stalhberg M; Hage C; Ottenblad E; Manouras A; Lofman IH; Lund LH
- Conference publication: EUROPEAN JOURNAL OF HEART FAILURE. 2016;18:457-458Najjar EE; Hage C; Stalhberg M; Ottenblad E; Manouras A; Lofman IH; Lund L
Employments
- Affiliated to Research, Department of Medicine, Karolinska Institutet, 2023-2026
Degrees and Education
- Degree Of Doctor Of Philosophy, Department of Medicine, Solna, Karolinska Institutet, 2020