Portrait Kai Oliver Jensen

Kai Oliver Jensen
PD Dr. med.

Attending Physician with extended responsibilites, Department of Traumatology

Other functions at USZ

  • Polytrauma / Lower extremity team


  • Polytrauma/lower extremity
  • Aging Traumatology
  • Register

Other competencies

  • Specialist FMH for surgery
  • EBSQ Trauma Surgery (FEBS)

Board activities:

  • AO Trauma International Lower Extremity Tasc Force (TL)
  • Study coordinator of the DGU Section for Geriatric Traumatology
  • Registrar of the Department of Traumatology USZ

Instructor for

  • ATLS, TDSC, ETC, SHoTT, Polytrauma Management – beyond ATLS


06/2023 Award of the Venia legendi of the Medical Faculty, University of Zurich for the field of surgery, especially trauma surgery
Since 09/2022 Attending Physician with extended responsibilities, Department of Traumatology, University Hospital Zurich
Since 2020 Vice Head of team of polytrauma/lower extremity
2017 EBSQ Trauma Surgery (FEBS)
2016 – 08/2022 Attending Physician, Department of Traumatology, University Hospital Zurich (Prof. Dr. H.-C. Pape)
2016 Specialist FMH for surgery
2015 – 2016 Fellow, Department of Surgery and Orthopaedics of the Cantonal Hospital Schaffhausen (Prof. Dr. F.H.Hetzer / Dr. A. Imhof)

Fellow, Department of Trauma Surgery, University Hospital Zurich (Prof. Dr. H.-P. Simmen)

2009 – 2015 Resident, Department of Trauma Surgery and Orthopaedics, Klinikum Bremen-Mitte (Prof. Dr. M.P. Hahn)

Resident, Department of Trauma Surgery, University Hospital Zurich (Prof. Dr. H.P. Simmen)

Resident, Clinic for Surgery and Orthopaedics, Cantonal Hospital Schaffhausen (Prof. Dr. F.H. Hetzer)

Most important memberships

  • German Society for Trauma Surgery (DGU)
  • Swiss Society of Surgery (SGC)
  • Société Internationale de Chirurgie Orthopédique et de Traumatologie (SICOT)
  • Association of Swiss Physicians (FMH)
  • Association of Swiss Assistant and Senior Physicians (VSAO)
  • Section for Emergency, Intensive Care and Critical Care (NIS) of the DGU
  • Section of Geriatric Traumatology of the DGU
  • AO Trauma Foundation
  • Generalists of Surgery e.V.
  • WG Shock room activation criteria of the NIS section of the DGU
  • DGU Working Group on Emergency, Disaster and Tactical Surgery (EKTC)

Research focus

  • Polytrauma
  • Geriatric trauma
  • Register

Publication list

Show publication list



  • Foot Center for Foot and Ankle Surgery at the University Center for Orthopaedic, Trauma and Plastic Surgery, Dresden (Prof. Stefan Rammelt)

Promotion 2017

  • Dissertation:The impact of mild induced hypothermia on the rate of transfusion and the mortality in severely injured patients – a retrospective multi-center study” (Prof. Dr. H.P. Simmen, University of Zurich)


  • SICOT Research Award – Young Investigator Award 2018:
    Teuben MPJ, Hofman M., Shehu A., Greven J. Qiao Z., Jensen KO, Hildebrand F., Pfeifer R. Pape HC.
    The impact of intramedullary nailing on the characteristics of the pulmonary neutrophil pool in rodens.
  • ACS COT / ATLS European Association Region XV – Resident Paper Award 2020:
    Teuben MPJ., Mand C., Moosdorf L., Sprengel K., Shehu A., Pfeifer R., Rucholtz S., Lefering R., Pape HC.,
    Jensen KO, Simultaneus casualty admissions – Do they affect treatment in the receiving trauma center?
  • German Interdisciplinary Emergency Medicine Congress – Best of the Best paper Award 2021:
    Eibinger N., Halvachizadeh S., Hallmann B., Seibert FJ, Puchwein P., Berk T., Lefering R., Sprengel K.,
    Pape HC, Jensen KO. Is the Regular Intake of Anticoaculative Agents an Indepandent Risk Factor for the
    Severity of Traumatic Brain Injuries in Geriatric Patients? A Retrospective Analyses of 10’559 Patients from the TraumaRegistger DGU
  • Swiss Institute for Continuing Medical Education and Training (SIWF) Award 2021
  • Swiss Institute for Continuing Medical Education and Training (SIWF/FMH) Award 2023

Teaching activity

  • Clinical course in surgery, University of Zurich
  • Supervision of master students, doctoral students, Department of Traumatology, University Hospital Zurich
  • Lecturer in Sports Medicine, University of Zurich
  • Lecturer in further training for Zurich Rescue Service (“Protection and Rescue”)
  • Examiner Objective Structured Clinical Examination (OSCE) of the Swiss Federal Council. Examination in Human Medicine, University of Zurich
  • Examiner Clinical Skills Examination (CSE) of the Federal Examination in Human Medicine, University of Zurich