Career History
| 2026 – present | Senior Physician, Department of Anesthesiology and Perioperative Medicine, University Hospital of Zurich |
| 2026 | Specialist in Anesthesiology FMH |
| 2023–2025 | Resident, Department of Anesthesiology, University Hospital of Zurich |
| 2022 – 2023 | Research Fellow, Department of Outcomes Research (Daniel Sessler, M.D.), Cleveland Clinic, Cleveland, USA |
| 2023 – present | Editor (Social Media), Journal of Clinical Anesthesia |
| 2021 | Resident, Department of Anesthesiology, University Hospital of Zurich |
| 2020 – 2021 | Resident, Department of Anesthesiology, Winterthur Cantonal Hospital |
| 2020 | Resident, Department of Critical Care Medicine, University Hospital of Zurich |
| 2018–2019 | Resident, Department of Anesthesiology, University Hospital of Zurich |
| 2017 | Research Associate, Collegium Helveticum, a joint research institute of the University of Zurich and ETH Zurich |
| 2017 | State Examination in Human Medicine, University of Zurich |
Publications (selection)
- Rössler J, Kopac O, Marquez Roa L, Bajracharya GR, Wang L, Ruetzler K, Turan A. Associations Between Intraoperative Hypotension and Perioperative Blood Pressure and Delirium After Noncardiac Surgery: A Retrospective Cohort Analysis. Anesthesiology. 2025;143(3):559-569. doi: 10.1097/ALN.0000000000005565.
- Rössler J, Abramczyk E, Paredes S, Anusic N, Pu X, Maheshwari K, Turan A, Ruetzler K. Association of Intravenous Neostigmine and Anticholinergics or Sugammadex with Postoperative Delirium: A Retrospective Cohort Study. Anesthesia & Analgesia. 2025;140(1):110-118. doi: 10.1213/ANE.0000000000006939.
- Rössler J, Shah K, Medellin S, Turan A, Ruetzler K, Singh M, Sessler DI, Maheshwari K. Development and validation of delirium prediction models for noncardiac surgery patients. Journal of Clinical Anesthesia. 2023;93:111319. doi: 10.1016/j.jclinane.2023.111319.
- Rössler J, Hegemann I, Schoenrath F, Seifert B, Kaserer A, Spahn GH, Falk V, Spahn DR. Efficacy of quadruple therapy for different types of preoperative anemia: secondary analysis of a randomized controlled trial. Anesthesia. 2020; 75(8):1039-1049. doi: 10.1111/anae.15062
- Rössler J, Schoenrath F, Seifert B, Kaserer A, Spahn GH, Falk V, Spahn DR. Iron deficiency is associated with higher mortality in patients undergoing cardiac surgery: a prospective study. British Journal of Anesthesia. 2020; 124(1):25-34. doi: 10.1016/j.bja.2019.09.016
Memberships
- Outcomes Research Consortium
- Karl Landsteiner Institute for Perioperative Medicine
- ESAIC
Key Research Areas
- Postoperative Delirium
- Perioperative Neurocognitive Disorders & Brain Health