Ib Jammer

1.9k total citations · 1 hit paper
19 papers, 803 citations indexed

About

Ib Jammer is a scholar working on Cardiology and Cardiovascular Medicine, Surgery and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Ib Jammer has authored 19 papers receiving a total of 803 indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Cardiology and Cardiovascular Medicine, 14 papers in Surgery and 6 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Ib Jammer's work include Cardiac, Anesthesia and Surgical Outcomes (15 papers), Hemodynamic Monitoring and Therapy (8 papers) and Hip and Femur Fractures (4 papers). Ib Jammer is often cited by papers focused on Cardiac, Anesthesia and Surgical Outcomes (15 papers), Hemodynamic Monitoring and Therapy (8 papers) and Hip and Femur Fractures (4 papers). Ib Jammer collaborates with scholars based in Norway, United Kingdom and Germany. Ib Jammer's co-authors include Michelle S. Chew, Rupert M. Pearse, Andrew Rhodes, Michael Sander, Andreas Hoeft, Paolo Pelosi, Marcus J. Schultz, Bernhard Walder, Andrew Smith and Nadine Wickboldt and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Anesthesiology.

In The Last Decade

Ib Jammer

17 papers receiving 788 citations

Hit Papers

Standards for definitions and use of outcome measures for... 2014 2026 2018 2022 2014 100 200 300 400 500
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Standards for definitions and use of outcome measures for clinical effectiveness research in perioperative medicine
    2014 580 citations Ib Jammer, Nadine Wickboldt et al. European Journal of Anaesthesiology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Ib Jammer Norway 10 539 454 320 151 92 19 803
Brigitte Leva Belgium 2 379 0.7× 328 0.7× 257 0.8× 137 0.9× 67 0.7× 2 589
Alexander J. Gregory Canada 13 844 1.6× 726 1.6× 310 1.0× 129 0.9× 136 1.5× 40 1.2k
J. Castillo Spain 7 620 1.2× 460 1.0× 566 1.8× 316 2.1× 140 1.5× 26 1.1k
Z. Briones Spain 3 380 0.7× 303 0.7× 513 1.6× 299 2.0× 124 1.3× 6 807
Amal Bessissow Canada 11 769 1.4× 578 1.3× 211 0.7× 36 0.2× 60 0.7× 23 993
Mark Shulman Australia 13 422 0.8× 458 1.0× 81 0.3× 94 0.6× 101 1.1× 22 767
Tahania Ahmad United Kingdom 14 503 0.9× 450 1.0× 96 0.3× 42 0.3× 97 1.1× 22 879
Walid Ben Ali Canada 13 713 1.3× 602 1.3× 281 0.9× 90 0.6× 108 1.2× 36 1.0k
J. Klasen Germany 15 351 0.7× 623 1.4× 151 0.5× 202 1.3× 38 0.4× 31 809
D. Atkinson United Kingdom 9 278 0.5× 289 0.6× 247 0.8× 126 0.8× 56 0.6× 20 556

Countries citing papers authored by Ib Jammer

Since Specialization
Citations

This map shows the geographic impact of Ib Jammer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Ib Jammer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ib Jammer more than expected).

Fields of papers citing papers by Ib Jammer

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ib Jammer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Ib Jammer. The network helps show where Ib Jammer may publish in the future.

Co-authorship network of co-authors of Ib Jammer

This figure shows the co-authorship network connecting the top 25 collaborators of Ib Jammer. A scholar is included among the top collaborators of Ib Jammer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Ib Jammer. Ib Jammer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

19 of 19 papers shown
1.
Mørk, T, et al.. (2025). AI-generated and doctors' answers to health-related questions. Tidsskrift for Den norske legeforening. 145(2). 2 indexed citations
2.
Jammer, Ib, Peter Martin, Hannah Wunsch, et al.. (2025). Vasopressor use after noncardiac surgery: an international observational study. British Journal of Anaesthesia. 135(6). 1609–1617.
3.
Nagrebetsky, Alexander, Ib Jammer, Barbara Hammer, et al.. (2025). Chewing Gum and Postoperative Nausea and Vomiting: Comment. Anesthesiology. 143(3). 785–786.
4.
Jammer, Ib, et al.. (2025). Respiratory Rate as a Predictor of Clinical Deterioration and Mortality: A Scoping Review. Acta Anaesthesiologica Scandinavica. 69(8). e70113–e70113. 1 indexed citations
5.
6.
Creagh‐Brown, Ben, Hannah Wunsch, Peter Martin, et al.. (2023). The incidence of postoperative vasopressor usage: protocol for a prospective international observational cohort study (SQUEEZE). SHILAP Revista de lepidopterología. 12(1). 8–8. 2 indexed citations
7.
Zawadka, Mateusz, Adrian Wong, Filippo Sanfilippo, et al.. (2023). Critical care echocardiography: barriers, competencies and solutions. A survey of over 600 participants. Anaesthesiology Intensive Therapy. 55(3). 158–162. 1 indexed citations
8.
Atar, Dan, Leiv Arne Rosseland, Ib Jammer, et al.. (2022). Implementing screening for myocardial injury in non-cardiac surgery: perspectives of an ad-hoc interdisciplinary expert group. Scandinavian Cardiovascular Journal. 57(1). 31–39. 1 indexed citations
9.
Sundstrøm, Terje, et al.. (2021). Effects of Intraoperative Dexmedetomidine Infusion on Postoperative Pain after Craniotomy: A Narrative Review. Brain Sciences. 11(12). 1636–1636. 8 indexed citations
10.
Hegvik, Tor‐Arne, et al.. (2021). Clinical frailty scale: Inter‐rater reliability of retrospective scoring in emergency abdominal surgery. Acta Anaesthesiologica Scandinavica. 66(1). 25–29. 12 indexed citations
11.
Ulvik, Atle, et al.. (2020). Mortality and complications after emergency laparotomy in patients above 80 years. Acta Anaesthesiologica Scandinavica. 64(7). 913–919. 12 indexed citations
12.
13.
Conway, Daniel, et al.. (2018). What are the optimum components in a care bundle aimed at reducing post-operative pulmonary complications in high-risk patients?. SHILAP Revista de lepidopterología. 7(1). 7–7. 11 indexed citations
14.
Gillies, Michael, Michael Sander, Andrew Shaw, et al.. (2017). Current research priorities in perioperative intensive care medicine. Intensive Care Medicine. 43(9). 1173–1186. 23 indexed citations
15.
Jammer, Ib, Tahania Ahmad, César Aldecoa, et al.. (2015). Point prevalence of surgical checklist use in Europe: relationship with hospital mortality. British Journal of Anaesthesia. 114(5). 801–807. 25 indexed citations
16.
Cecconi, Maurizio, Helene Hochrieser, Michelle S. Chew, et al.. (2015). Preoperative abnormalities in serum sodium concentrations are associated with higher in-hospital mortality in patients undergoing major surgery. British Journal of Anaesthesia. 116(1). 63–69. 33 indexed citations
17.
18.
Jammer, Ib, Nadine Wickboldt, Michael Sander, et al.. (2014). Standards for definitions and use of outcome measures for clinical effectiveness research in perioperative medicine. European Journal of Anaesthesiology. 32(2). 88–105. 580 indexed citations breakdown →
19.
Jammer, Ib, et al.. (2010). Does Central Venous Oxygen Saturation-directed Fluid Therapy Affect Postoperative Morbidity after Colorectal Surgery?. Anesthesiology. 113(5). 1072–1080. 41 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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