M. Freitag

3.2k total citations · 1 hit paper
85 papers, 2.1k citations indexed

About

M. Freitag is a scholar working on Surgery, Cardiology and Cardiovascular Medicine and Pulmonary and Respiratory Medicine. According to data from OpenAlex, M. Freitag has authored 85 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Surgery, 17 papers in Cardiology and Cardiovascular Medicine and 13 papers in Pulmonary and Respiratory Medicine. Recurrent topics in M. Freitag's work include Anesthesia and Pain Management (8 papers), Palliative Care and End-of-Life Issues (7 papers) and Cardiac, Anesthesia and Surgical Outcomes (7 papers). M. Freitag is often cited by papers focused on Anesthesia and Pain Management (8 papers), Palliative Care and End-of-Life Issues (7 papers) and Cardiac, Anesthesia and Surgical Outcomes (7 papers). M. Freitag collaborates with scholars based in Germany, United States and Sweden. M. Freitag's co-authors include Liam Glynn, José M Valderas, Christiane Muth, Gemma Flores‐Mateo, Quintí Foguet‐Boreu, Concepción Violán, Jeanet W. Blom, Chris Salisbury, Jochen Gensichen and Peter Schlattmann and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Neurology.

In The Last Decade

M. Freitag

84 papers receiving 2.0k citations

Hit Papers

Prevalence, Determinants and Patterns of Multimorbidity i... 2014 2026 2018 2022 2014 250 500 750
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. Prevalence, Determinants and Patterns of Multimorbidity in Primary Care: A Systematic Review of Observational Studies
    2014 778 citations M. Freitag et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
M. Freitag Germany 18 825 358 343 287 276 85 2.1k
Michael A. Campitelli Canada 27 1.3k 1.6× 391 1.1× 191 0.6× 313 1.1× 258 0.9× 85 3.0k
Anthony Heymann Israel 31 729 0.9× 324 0.9× 270 0.8× 483 1.7× 522 1.9× 154 3.5k
Judith Charlton United Kingdom 27 549 0.7× 471 1.3× 190 0.6× 140 0.5× 414 1.5× 44 2.2k
Edith Burns United States 22 348 0.4× 441 1.2× 132 0.4× 300 1.0× 382 1.4× 73 2.5k
Xueya Cai United States 30 533 0.6× 1.0k 2.8× 311 0.9× 194 0.7× 374 1.4× 120 3.1k
David J. Ramsey United States 34 449 0.5× 277 0.8× 317 0.9× 585 2.0× 766 2.8× 183 3.1k
Jóhann A. Sigurdsson Iceland 25 688 0.8× 349 1.0× 145 0.4× 387 1.3× 175 0.6× 73 2.2k
Ingrid Schübert Germany 28 468 0.6× 468 1.3× 335 1.0× 240 0.8× 202 0.7× 112 2.2k
Li Wei China 24 258 0.3× 240 0.7× 151 0.4× 527 1.8× 270 1.0× 94 2.6k
Alisha N. Wade South Africa 22 407 0.5× 275 0.8× 224 0.7× 171 0.6× 159 0.6× 66 1.8k

Countries citing papers authored by M. Freitag

Since Specialization
Citations

This map shows the geographic impact of M. Freitag'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 M. Freitag with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites M. Freitag more than expected).

Fields of papers citing papers by M. Freitag

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by M. Freitag. 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 M. Freitag. The network helps show where M. Freitag may publish in the future.

Co-authorship network of co-authors of M. Freitag

This figure shows the co-authorship network connecting the top 25 collaborators of M. Freitag. A scholar is included among the top collaborators of M. Freitag 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 M. Freitag. M. Freitag is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
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König, Hans‐Helmut, Tina Mallon, Thomas Asendorf, et al.. (2023). Cost-effectiveness of a specialist palliative care nurse-patient consultation followed by an interprofessional case conference for patients with non-oncological palliative care needs: results of the KOPAL trial. Annals of Palliative Medicine. 12(6). 1175–1186. 4 indexed citations
3.
Freitag, M., et al.. (2023). Das Reizdarmsyndrom in der hausärztlichen Praxis. Zeitschrift für Allgemeinmedizin. 99(2). 97–107. 3 indexed citations
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Ramos, Andres Luque, et al.. (2017). Influenza vaccination rates before and after admission to nursing homes in Germany. Aging Clinical and Experimental Research. 30(6). 609–616. 8 indexed citations
7.
Zeleke, Atinkut Alamirrew, et al.. (2017). IT Infrastructure for Biomedical Research in North-West Germany. Studies in health technology and informatics. 243. 65–69. 1 indexed citations
8.
Odeberg, Jacob, M. Freitag, Henrik Forssell, et al.. (2016). Influence of pre-existing inflammation on the outcome of acute coronary syndrome: a cross-sectional study. BMJ Open. 6(1). e009968–e009968. 18 indexed citations
9.
Freitag, M., et al.. (2015). Schmerzmittelversorgung von Pflegeheimbewohnern mit und ohne Krebserkrankung. Der Schmerz. 29(3). 276–284. 14 indexed citations
10.
Odeberg, Jacob, M. Freitag, Henrik Forssell, et al.. (2014). The influence of smoking and impaired glucose homoeostasis on the outcome in patients presenting with an acute coronary syndrome: a cross-sectional study. BMJ Open. 4(7). e005077–e005077. 6 indexed citations
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Freitag, M., et al.. (2009). Priorisierung in der Medizin : interdisziplinäre Forschungsansätze. 5 indexed citations
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Gottschalk, A., et al.. (2006). Entfernung eines Epiduralkatheters unter antithrombotischer Therapie. AINS - Anästhesiologie · Intensivmedizin · Notfallmedizin · Schmerztherapie. 41(4). 274–277. 5 indexed citations
14.
Freitag, M., et al.. (2006). Comparative study of different concentrations of prilocaine and ropivacaine for intraoperative axillary brachial plexus block. European Journal of Anaesthesiology. 23(6). 481–486. 9 indexed citations
15.
Freitag, M., et al.. (2005). Pulmonary embolism caused by polymethylmethacrylate during percutaneous vertebroplasty in orthopaedic surgery. Acta Anaesthesiologica Scandinavica. 50(2). 248–251. 39 indexed citations
16.
Gottschalk, A., Thomas Standl, M. Freitag, et al.. (2005). Effects of isovolaemic haemodilution on oxygenation of liver and skeletal muscle. European Journal of Anaesthesiology. 22(3). 181–188. 4 indexed citations
17.
Standl, T., M. Freitag, Marc-Alexander Burmeister, et al.. (2003). Hemoglobin-based oxygen carrier HBOC-201 provides higher and faster increase in oxygen tension in skeletal muscle of anemic dogs than do stored red blood cells. Journal of Vascular Surgery. 37(4). 859–865. 51 indexed citations
18.
Standl, Thomas, Patrick Horn, Stefan Wilhelm, et al.. (1996). Bovine haemoglobin is more potent than autologous red blood cells in restoring muscular tissue oxygenation after profound isovolaemic haemodilution in dogs. Canadian Journal of Anesthesia/Journal canadien d anesthésie. 43(7). 714–723. 90 indexed citations
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Adamek, R. J., M. Freitag, W. Opferkuch, G. H. Rühl, & Martin Wegener. (1994). Intravenous Omeprazole/Amoxicillin and Omeprazole Pretreatment in Helicobacter pylori-Positive Acute Peptic Ulcer Bleeding: A Pilot Study. Scandinavian Journal of Gastroenterology. 29(10). 880–883. 26 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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