Portrait Sonja Matter-Ensner

Sonja Matter-Ensner
Dr. med.

Attending Physician with extended responsibilites, Institute of Anesthesiology


  • Anesthesia for cardiovascular surgery
  • Intensive care medicine
  • Perioperative echocardiography


Tel. +41 43 253 27 61


Professional career

2002 – 2021 Institute of Anesthesiology and Intensive Care Medicine
Triemli City Hospital Zurich2013Head of Cardiac Anesthesia

  • “Fast track” concepts
  • Transfusion and coagulation management
  • Fascial Plane Blocks” for minimally invasive heart surgery

2011 Senior physician

  • Specializations: Cardiac anesthesia, perioperative echocardiography and intensive care medicine
  • Deployment and duty planning for senior physicians

2002 Senior physician

1999 – 2002 Medical association for anesthesia and intensive care medicine
Hirslanden Clinic ZurichSenior physician
1998 – 1999 Institute of Anesthesiology
Rätisches Kantons- und Regionalspital ChurSenior physician deputy
1995 – 1996 Institute of Anesthesiology
University Hospital ZurichSenior Physician i.V

Education/vocational training

1997 – 1999 Research Fellowship in Cardiac Anesthesia
Beth Israel Deaconess Medical CenterBoston USA
1988 – 1996 Training as an FMH specialist in anesthesiology and intensive care medicine
1996 FMH specialist title for anesthesiology and intensive care medicine

Most important memberships

  • Foederatio Medicorum Helveticorum (FMH)
  • Swiss Society for Anesthesia and Resuscitation (SGAR)
  • Cardiothoracic and Vascular Anesthesia Group (SACTA-SGAR)
  • Swiss Society for Intensive Care Medicine (SGI)
  • Zurich Society of Cardiology (ZGK)
  • European Association of Cardiothoracic Anesthesiologists (EACTA)
  • European Society of Intensive Care Medicine (ESICM)
  • European Association of Cardiovascular Imaging (EACVI)


  • Bioprosthetic mitral valve thrombosis not prevented by novel oral anticoagulant and successfully treated with heparin
    CasparyLixi, LeeGino, Matter-EnsnerSonja, DzemaliOmer, BernheimAlain M
    Cardiovasc Med 2020;23:w02114
  • First in Switzerland: concomitant off-pump transapical transcatheter aortic valve implantation and mitral valve reconstruction with the NeoChord system
    Ntinopoulos V, Tüller D, Bernheim A, Papadopoulos N, Haeussler A, Matter-Ensner S, Eberli F, Dzemali O
    Swiss Med Wkly 2019;149:w20168
  • Fast-Track Management in Off-Pump Coronary Artery Bypass Grafting: Dexmedetomidine Provides Rapid Extubation and Effective Pain Modulation.
    Zientara A, Mariotti S, Matter-Ensner S, Seifert B, Graves K, Dzemali O, Genoni M
    Thorac Cardiovasc Surg 2019;67:450-57
  • Gaining Valuable Time: Elective Use of Extracorporeal Membrane Oxygenation in the Awake Patient as Bridge to Surgery in Acute Postinfarction Ventricular Septal Defect
    Zientara, O. Dzemali, D. Odavic, A. Häussler, R. Behr, P. Fodor, S. Matter-Ensner, M. Gruszczynski, M. Genoni
    Thorac Cardiovasc Surg 2017;65:S1-S110
  • The accuracy of preload assessment by different transesophageal echocardiographic techniques in patients undergoing cardiac surgery.
    Hofer CK, Ganter MT, Rist A, Klaghofer R, Matter-Ensner S, Zollinger A.
    J Cardiothorac Vasc Anesth 2008;222:236-42
  • Volumetric assessment of left heart preload by thermodilution: comparing the PiCCO-VoLEF system with transoesophageal echocardiography.
    Hofer CK, Ganter MT, Matter-Ensner S, Furrer L, Klaghofer R, Genoni M, Zollinger A. Anesthesia, 2006;61:316-21
  • Volumetric preload measurement by thermodilution: a comparison with transoesophageal echocardiography.
    Hofer CK, Furrer L, Matter-Ensner S, Maloigne M, Klaghofer R, Genoni M, Zollinger A.
    Br J Anaesth, 2005;94:748-55
  • Therapeutic impact of intra-operative transoesophageal echocardiography during noncardiac surgery.
    Hofer CK, Zollinger A, Rak M, Matter-Ensner S, Klaghofer R, Pasch T, Zalunardo MP. Anesthesia, 2004;59:3-9
  • Intraoperative transesophageal echocardiographic predictors of atrial fibrillation after CABG.
    S Matter-Ensner MD, PJ Panzica MD, JM Haering MD, L Chen MSc, WJ Manning MD, JS Mashikian MD.
    SCA 22nd Annual Meeting, 2000
  • Effects of paralysis with pancuronium bromide on joint mobility in premature infants.
    Fanconi S, Ensner S and Knecht B.
    J Pediatr 1995;127:134-6


2004 / 2014 American Certificate as a Diplomate of Special
Competence in Perioperative Transesophageal Echocardiography
National Board of Echocardiography (NBE)
2014 Recertification Examination
1997 – 1996 ECFMG Certificate
European Diploma in Anesthesiology and Intensive Care Medicine
1994 – 1987 Doctorate in Medicine from the University of Zurich
Federal Medical Diploma

For patients

To make an appointment for private consultation, contact us as follows:

Tel. +41 44 255 26 95
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For international patients

For an appointment for private consultation, please contact our International Office directly.

Tel. +41 44 255 54 54
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