** = Publications listed in SCI/SSCI/Pubmed
** Eichinger, M; Zoidl, P; Reisinger, AC; Orlob, S; Hatzl, S; Eichlseder, M; Pichler, A; Eberl, A; Kuenzer, T; Zajic, P; Heuschneider, L; Honnef, G; Rief, M; Bornemann-Cimenti, H
Assessment of frontal EEG measurement in out-of-hospital cardiac arrest: a prospective observational feasibility study - study protocol.
BMJ Open. 2025; 15(2): e094258
Doi: 10.1136/bmjopen-2024-094258
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** Eichlseder, M; Schreiber, N; Pichler, A; Eichinger, M; Labenbacher, S; Hallmann, B; Orlob, S; Zajic, P; Fandler-Höfler, S
Association of prehospital invasive blood pressure measurement and treatment times of intubated patients with suspected stroke - a retrospective study.
Scand J Trauma Resusc Emerg Med. 2025; 33(1): 90
Doi: 10.1186/s13049-025-01411-5
[OPEN ACCESS]
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** Hallmann, B; Honnef, G; Eibinger, N; Eichlseder, M; Posch, M; Puchwein, P; Zoidl, P; Zajic, P
Resuscitative endovascular balloon occlusion of the aorta for trauma patients with uncontrolled hemorrhage: a retrospective target trial emulation (the AT-REBOA target trial).
Eur J Emerg Med. 2024;
Doi: 10.1097/MEJ.0000000000001183
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** Perschinka, F; Mayerhöfer, T; Engelbrecht, T; Graf, A; Zajic, P; Metnitz, P; Joannidis, M
Impact of mechanical ventilation on severe acute kidney injury in critically ill patients with and without COVID-19 - a multicentre propensity matched analysis.
Ann Intensive Care. 2025; 15(1):17
Doi: 10.1186/s13613-025-01424-4
[OPEN ACCESS]
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** Auinger, D; Hötzer, D; Zajic, P; Orlob, S; Heschl, S; Fida, S; Zoidl, P; Honnef, G; Friedl, H; Smolle-Jüttner, FM; Prause, G
Post-resuscitation pneumothorax: retrospective analysis of incidence, risk factors and outcome-relevance.
Scand J Trauma Resusc Emerg Med. 2024; 32(1): 82
Doi: 10.1186/s13049-024-01260-8
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** Donaldson, C; de, Abreu, MG; Mascha, EJ; Rowbottom, J; Harvester, E; Khanna, A; Sura, T; Sessler, DI; Patarroyo, FR; Gulluoglu, A; Zajic, P; Chauhan, U; Essber, H; Kurz, A
Pressure injury treatment by intermittent electrical stimulation (PROTECT-2): protocol for a multicenter randomized clinical trial.
Trials. 2024; 25(1):313
Doi: 10.1186/s13063-024-08085-x
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** Eichinger, M; Eichlseder, M; Schützelhofer, G; Pichler, A; Schreiber, N; Zoidl, P; Honnef, G; Zajic, P
Available equipment for traumatic haemorrhage management in Austrian prehospital physician response units: a nationwide survey and analysis of guideline adherence.
BMC Emerg Med. 2024; 24(1): 230
Doi: 10.1186/s12873-024-01150-3
[OPEN ACCESS]
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** Eichinger, M; Rief, M; Eichlseder, M; Pichler, A; Zoidl, P; Hallmann, B; Zajic, P
Hyperkalaemia in bleeding trauma patients: A potential marker of disease severity - A retrospective cohort study.
Heliyon. 2024; 10(9): e30037
Doi: 10.1016/j.heliyon.2024.e30037
[OPEN ACCESS]
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** Eichinger, M; Shah, K; Palt, N; Eichlseder, M; Pichler, A; Zoidl, P; Zajic, P; Rief, M
Association of prehospital lactate levels with base excess in various emergencies - a retrospective study.
Clin Chem Lab Med. 2024; 62(8):1602-1610
Doi: 10.1515/cclm-2024-0060
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** Eichlseder, M; Labenbacher, S; Pichler, A; Eichinger, M; Kuenzer, T; Zoidl, P; Hallmann, B; Stelzl, F; Schreiber, N; Zajic, P
Is time to first CT scan in patients with isolated severe traumatic brain injury prolonged when prehospital arterial cannulation is performed? A retrospective non-inferiority study.
Scand J Trauma Resusc Emerg Med. 2024; 32(1): 81
Doi: 10.1186/s13049-024-01251-9
[OPEN ACCESS]
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** Grechenig, P; Hallmann, B; Eibinger, NR; Koutp, A; Zajic, P; Höfler, G; Puchwein, P
Percutaneous ultrasound-guided versus open cut-down access to femoral vessels for the placement of a REBOA catheter.
Sci Rep. 2024; 14(1): 9111
Doi: 10.1038/s41598-024-59778-x
[OPEN ACCESS]
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** Zajic, P; Engelbrecht, T; Graf, A; Metnitz, B; Moreno, R; Posch, M; Rhodes, A; Metnitz, P
Intensive care unit caseload and workload and their association with outcomes in critically unwell patients: a large registry-based cohort analysis.
Crit Care. 2024; 28(1):304
Doi: 10.1186/s13054-024-05090-z
[OPEN ACCESS]
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** Rief, M; Eichinger, M; Eichlseder, M; Pichler, A; Prause, G; Bornemann-Cimenti, H; Zajic, P
Utilization of Multi-Parameter Blood Gas Analysis in Prehospital Emergency Medicine-A Scoping Review.
J Emerg Med. 2024; 67(3):e277-e287
Doi: 10.1016/j.jemermed.2024.04.014
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** Eichlseder, M; Eichinger, M; Pichler, A; Freidorfer, D; Rief, M; Zoidl, P; Zajic, P
Out-of-Hospital Arterial to End-Tidal Carbon Dioxide Gradient in Patients With Return of Spontaneous Circulation After Out-of-Hospital Cardiac Arrest: A Retrospective Study.
Ann Emerg Med. 2023; 82(5): 558-563.
Doi: 10.1016/j.annemergmed.2023.03.001
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** Prause, G; Zoidl, P; Eichinger, M; Eichlseder, M; Orlob, S; Ruhdorfer, F; Honnef, G; Metnitz, PGH; Zajic, P
Mechanical ventilation with ten versus twenty breaths per minute during cardio-pulmonary resuscitation for out-of-hospital cardiac arrest: A randomised controlled trial.
Resuscitation. 2023; 187:109765
Doi: 10.1016/j.resuscitation.2023.109765
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** Rief, M; Auinger, D; Eichinger, M; Honnef, G; Schittek, GA; Metnitz, P; Prause, G; Zoidl, P; Zajic, P
Physician utilization in prehospital emergency medical services in Europe: an overview and comparison.
Emergencias. 2023; 35(2): 125-135.
Doi: 10.55633/s3me/E080.2023
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** Rief, M; Eichinger, M; West, D; Klivinyi, C; Bornemann-Cimenti, H; Zajic, P
Using cardiovascular risk indices to predict mortality in Covid-19 patients with acute respiratory distress syndrome: a cross sectional study.
Sci Rep. 2023; 13(1): 11452
Doi: 10.1038/s41598-023-38732-3
[OPEN ACCESS]
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** Zajic, P; Eichinger, M; Eichlseder, M; Hallmann, B; Honnef, G; Fellinger, T; Metnitz, B; Posch, M; Rief, M; Metnitz, PGH
Association of immediate versus delayed extubation of patients admitted to intensive care units postoperatively and outcomes: A retrospective study.
PLoS One. 2023; 18(1): e0280820
Doi: 10.1371/journal.pone.0280820
[OPEN ACCESS]
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** Zajic, P; Hiesmayr, M; Bauer, P; Baron, DM; Gruber, A; Joannidis, M; Posch, M; Metnitz, PGH
Nationwide analysis of hospital admissions and outcomes of patients with SARS-CoV-2 infection in Austria in 2020 and 2021.
Sci Rep. 2023; 13(1):8548
Doi: 10.1038/s41598-023-35349-4
[OPEN ACCESS]
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** Rief, M; Eichlseder, M; Eichinger, M; Zoidl, P; Zajic, P
Overview and comparison of requirements and training for prehospital care physicians in Europe.
Eur J Emerg Med. 2023; 30(2): 140-142.
Doi: 10.1097/MEJ.0000000000000980
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** Eichlseder, M; Eichinger, M; Hallmann, B; Honnef, G; Metnitz, P; Prause, G; Zoidl, P; Zajic, P
A retrospective cohort study on association of age and physician decision making for or against rapid sequence intubation in unconscious patients.
Sci Rep. 2022; 12(1): 3336
Doi: 10.1038/s41598-022-06787-3
[OPEN ACCESS]
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** Honnef, G; Auinger, D; Eichinger, M; Eichlseder, M; Metnitz, PGH; Rief, M; Zajic, P; Zoidl, P; Bornemann-Cimenti, H
Evaluation of the usefulness of non-invasive serum haemoglobin measurement in a perioperative setting in a prospective observational study.
Sci Rep. 2022; 12(1): 9065
Doi: 10.1038/s41598-022-13285-z
[OPEN ACCESS]
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** Zajic, P; Hallmann, B; Honnef, G; Fellinger, T; Metnitz, B; Posch, M; Rief, M; Zoidl, P; Metnitz, PGH
Incidence and Outcomes of Cardiopulmonary Resuscitation in ICUs: Retrospective Cohort Analysis.
Crit Care Med. 2022; 50(10):1503-1512
Doi: 10.1097/CCM.0000000000005624
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** Druml, W; Zajic, P; Schellongowski, P; Fellinger, T; Metnitz, B; Posch, M; Metnitz, PGH
Association of Acute Kidney Injury Receiving Kidney Replacement Therapy With Prognosis of Critically Ill Patients With and Without Cancer: A Retrospective Study.
Crit Care Med. 2021; 49(11):1932-1942
Doi: 10.1097/CCM.0000000000005102
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** Zajic, P; Heschl, S; Schörghuber, M; Srekl-Filzmaier, P; Stojakovic, T; Weixler, V; Zelzer, S; Amrein, K
Vitamin D assessment in perioperative medicine and critical care : A prospective observational pilot study.
Wien Klin Wochenschr. 2021; 133(3-4):79-85
Doi: 10.1007/s00508-019-01584-x
[OPEN ACCESS]
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** Zajic, P; Zoidl, P; Deininger, M; Heschl, S; Fellinger, T; Posch, M; Metnitz, P; Prause, G
Factors associated with physician decision making on withholding cardiopulmonary resuscitation in prehospital medicine.
Sci Rep. 2021; 11(1): 5120-5120.
Doi: 10.1038/s41598-021-84718-4
[OPEN ACCESS]
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** Metnitz, PGH; Moreno, RP; Fellinger, T; Posch, M; Zajic, P
Evaluation and calibration of SAPS 3 in patients with COVID-19 admitted to intensive care units.
Intensive Care Med. 2021; 47(8):910-912
Doi: 10.1007/s00134-021-06436-9
[OPEN ACCESS]
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** Prause, G; Zoidl, P; Zajic, P
Hyperventilation is uncommon during cardio-pulmonary resuscitation: A preliminary observational study.
Resuscitation. 2021; 162:257-258
Doi: 10.1016/j.resuscitation.2021.03.008
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** Druml, W; Zajic, P; Winnicki, W; Fellinger, T; Metnitz, B; Metnitz, P
Association of Body Mass Index and Outcome in Acutely Ill Patients With Chronic Kidney Disease Requiring Intensive Care Therapy.
J Ren Nutr. 2020; 30(4):305-312
Doi: 10.1053/j.jrn.2019.09.006
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** Prause, G; Orlob, S; Auinger, D; Eichinger, M; Zoidl, P; Rief, M; Zajic, P
[System and skill utilization in an Austrian emergency physician system: retrospective study].
Anaesthesist. 2020; 69(10):733-741
Doi: 10.1007/s00101-020-00820-8
[OPEN ACCESS]
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** Metnitz, PGH; Zajic, P; Rhodes, A
The General Data Protection Regulation and its effect on epidemiological and observational research.
LANCET RESP MED. 2020; 8(1): 23-24.
Doi: 10.1016/S2213-2600(19)30411-4
[OPEN ACCESS]
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** Amrein, K; Parekh, D; Westphal, S; Preiser, JC; Berghold, A; Riedl, R; Eller, P; Schellongowski, P; Thickett, D; Meybohm, P; VITDALIZE Collaboration Group
Effect of high-dose vitamin D3 on 28-day mortality in adult critically ill patients with severe vitamin D deficiency: a study protocol of a multicentre, placebo-controlled double-blind phase III RCT (the VITDALIZE study).
BMJ Open. 2019; 9(11):e031083-e031083
Doi: 10.1136/bmjopen-2019-031083
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** Martucci, G; McNally, D; Parekh, D; Zajic, P; Tuzzolino, F; Arcadipane, A; Christopher, KB; Dobnig, H; Amrein, K
Trying to identify who may benefit most from future vitamin D intervention trials: a post hoc analysis from the VITDAL-ICU study excluding the early deaths.
Crit Care. 2019; 23(1): 200-200.
Doi: 10.1186/s13054-019-2472-z
[OPEN ACCESS]
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** Viglianti, EM; Zajic, P; Iwashyna, TJ; Amrein, K
Neither vitamin D levels nor supplementation are associated with the development of persistent critical illness: a retrospective cohort analysis.
Crit Care Resusc. 2019; 21(1): 39-44.
[OPEN ACCESS]
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** Zajic, P; Bauer, P; Rhodes, A; Moreno, R; Fellinger, T; Metnitz, B; Posch, M; Metnitz, PGH
Time of Day and its Association with Risk of Death and Chance of Discharge in Critically Ill Patients: A Retrospective Study.
Sci Rep. 2019; 9(1): 12533-12533.
Doi: 10.1038/s41598-019-48947-y
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** Rief, M; Zajic, P; Zoidl, P; Heschl, S; Silbernagel, G; Orlob, S; Prattes, G; Metnitz, P; Prause, G
Patient disposition following cardiopulmonary resuscitation due to ST-segment elevation myocardial infarction and thrombolysis-case report Which factors influence the choice of transport destination?
NOTFALL RETTUNGSMED. 2019; 22(6): 528-532.
Doi: 10.1007/s10049-019-0571-7
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** Rief, M; Zoidl, P; Zajic, P; Heschl, S; Orlob, S; Silbernagel, G; Metnitz, P; Puchwein, P; Prause, G
Atlanto-occipital dislocation in a patient presenting with out-of-hospital cardiac arrest: a case report and literature review.
J Med Case Rep. 2019; 13(1):44-44
Doi: 10.1186/s13256-018-1926-2
(- Case Report)
[OPEN ACCESS]
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** Viglianti, E; Zajic, P; Iwashyna, T; Amrein, K
NEITHER VITAMIN D LEVELS NOR SUPPLEMENTATION ARE ASSOCIATED WITH PERSISTENT CRITICAL ILLNESS
CRIT CARE MED. 2019; 47: -48th Critical Care Congress of the Society-of-Critical-Care-Medicine; FEB 17-20, 2019; San Diego, CA.
[Poster]
Web of Science
** Viglianti, EM; Zajic, P; Iwashyna, TJ; Amrein, K
Neither Vitamin D Levels Nor Supplementation Are Associated with Persistent Critical Illness: A Retrospective Cohort Analysis
AM J RESP CRIT CARE. 2019; 199: -International Conference of the American-Thoracic-Society; MAY 17-22, 2019; Dallas, TX.
[Poster]
Web of Science
** Zoidl, P; Sacherer, F; Heschl, S; Steiner, K; Zajic, P; Prause, G
Nonsense or high-quality advanced training? Thoughts on FOAM
NOTFALL RETTUNGSMED. 2018; 21(4): 317-319.
Doi: 10.1007/s10049-017-0317-3
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** Prause, G; Wildner, G; Gemes, G; Zoidl, P; Zajic, P; Kainz, J; Pock, M; Trimmel, H
Tiered prehospital emergency care-the Graz model
NOTFALL RETTUNGSMED. 2017; 20(6): 501-508.
Doi: 10.1007/s10049-017-0276-8
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** Zajic, P; Bauer, P; Rhodes, A; Moreno, R; Fellinger, T; Metnitz, B; Stavropoulou, F; Posch, M; Metnitz, PGH
Weekends affect mortality risk and chance of discharge in critically ill patients: a retrospective study in the Austrian registry for intensive care.
Crit Care. 2017; 21(1):223-223
Doi: 10.1186/s13054-017-1812-0
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** Zajic, P; Prause, G
Current practice in prehospital management of acute exacerbations of chronic obstructive pulmonary disease in Austria: retrospective data analysis
WIEN KLIN WOCHENSCHR. 2015; 127(19-20):826-826.-Jahrestagung der Österreichischen Gesellschaft für Pneumologie; OCT 15-17, 2015; Graz.
[Poster]
Web of Science
** Amrein, K; Zajic, P; Schnedl, C; Waltensdorfer, A; Fruhwald, S; Holl, A; Purkart, T; Wünsch, G; Valentin, T; Grisold, A; Stojakovic, T; Amrein, S; Pieber, TR; Dobnig, H
Vitamin D status and its association with season, hospital and sepsis mortality in critical illness.
Crit Care. 2014; 18(2):R47-R47
Doi: 10.1186/cc13790
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** Zajic, P; Amrein, K
Vitamin D deficiency in the ICU: a systematic review.
Minerva Endocrinol. 2014; 39(4):275-287
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** Zajic, P; Schnedl, C; Pieber, TR; Dobnig, H; Zollner-Schwetz, I; Urbanic, T; Rigaud, M; Toller, W; Wagner, D; Amrein, K
GENDER-RELATED DIFFERENCES IN THE DELIVERY AND OL 'COME OF CRITICAL ILLNESS - A RETROSPECTIVE OBSERVATIONAL STUDY
INTENS CARE MED. 2014; 40: S180-S181.-27th Annual Congress of the European-Society-of-Intensive-Care-Medicine (ESICM); SEP 27-OCT 01, 2014; Barcelona, SPAIN.
[Poster]
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** Amrein, K; Zajic, P; Amrein, S; Dobnig, H
Authors' response.
Crit Care. 2014; 18(4):449-449
PubMed