Anna S. Messmer

1.2k total citations · 1 hit paper
44 papers, 641 citations indexed

About

Anna S. Messmer is a scholar working on Epidemiology, Surgery and Emergency Medicine. According to data from OpenAlex, Anna S. Messmer has authored 44 papers receiving a total of 641 indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Epidemiology, 14 papers in Surgery and 14 papers in Emergency Medicine. Recurrent topics in Anna S. Messmer's work include Sepsis Diagnosis and Treatment (12 papers), Emergency and Acute Care Studies (10 papers) and Hemodynamic Monitoring and Therapy (9 papers). Anna S. Messmer is often cited by papers focused on Sepsis Diagnosis and Treatment (12 papers), Emergency and Acute Care Studies (10 papers) and Hemodynamic Monitoring and Therapy (9 papers). Anna S. Messmer collaborates with scholars based in Switzerland, Germany and China. Anna S. Messmer's co-authors include Carmen A. Pfortmueller, Joerg C. Schefold, Martín Müller, Joël L. Gerber, Christian H. Nickel, Roland Bingisser, E Glucksman, J. M. Keep, Reto W. Kressig and Michael Bodmer and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Scientific Reports.

In The Last Decade

Anna S. Messmer

35 papers receiving 627 citations

Hit Papers

align trajectories

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.

Fluid Overload and Mortality in Adult Critical Care Patients—A Systematic Review and Meta-Analysis of Observational Studies*

2020 201 citations Anna S. Messmer, Martín Müller et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Anna S. Messmer Switzerland	13	240	231	205	104	100	44	641
Luke Hodgson United Kingdom	16	190 0.8×	178 0.8×	158 0.8×	98 0.9×	98 1.0×	55	705
Sarah Sokol United States	7	502 2.1×	169 0.7×	180 0.9×	133 1.3×	89 0.9×	12	646
Byuk Sung Ko South Korea	15	185 0.8×	149 0.6×	211 1.0×	92 0.9×	74 0.7×	65	636
John McNelis United States	15	150 0.6×	477 2.1×	206 1.0×	63 0.6×	145 1.4×	47	776
Céline Occelli France	8	467 1.9×	175 0.8×	165 0.8×	149 1.4×	91 0.9×	17	611
Seth R. Bauer United States	17	536 2.2×	367 1.6×	160 0.8×	237 2.3×	101 1.0×	75	919
Kathryn G. Kuttler United States	12	515 2.1×	237 1.0×	188 0.9×	250 2.4×	155 1.6×	32	848
Melissa L. Whitmill United States	12	160 0.7×	155 0.7×	117 0.6×	91 0.9×	69 0.7×	21	440
Nicolas Lerolle France	15	194 0.8×	106 0.5×	118 0.6×	142 1.4×	82 0.8×	31	749
João Manoel Silva Brazil	18	265 1.1×	366 1.6×	142 0.7×	267 2.6×	270 2.7×	96	1.0k

Countries citing papers authored by Anna S. Messmer

Since Specialization

Citations

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

Fields of papers citing papers by Anna S. Messmer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Anna S. Messmer. 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 Anna S. Messmer. The network helps show where Anna S. Messmer may publish in the future.

Co-authorship network of co-authors of Anna S. Messmer

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

All Works

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20 of 20 papers shown

Messmer, Anna S., et al.. (2025). Comprehensive Mobile Solution for Personalized Healthcare Services using Enhanced AI. 1–6.

Bai, Junwen, Anna S. Messmer, & Hong‐Wei Xiao. (2025). From PhD glut to redefined purpose: Rethinking the value and future of doctoral education. International journal of agricultural and biological engineering. 18(2). 304–306. 1 indexed citations

Cioccari, Luca, et al.. (2025). The critical role of timely medical emergency team activation in oncological and non-oncological patients. PLoS ONE. 20(5). e0324831–e0324831.

Pfortmueller, Carmen A., et al.. (2024). The association of midregional pro-adrenomedullin (MR-proADM) at ICU admission and fluid overload in patients post elective cardiac surgery. Scientific Reports. 14(1). 20897–20897.

Messmer, Anna S., et al.. (2024). Prevalence and characteristics of medical emergency teams in Switzerland: a nationwide survey of intensive care units. Minerva Anestesiologica. 90(5). 409–416.

Ruzzante, Livio, et al.. (2024). Influence of fluid accumulation on major adverse kidney events in critically ill patients – an observational cohort study. Annals of Intensive Care. 14(1). 52–52. 5 indexed citations

Messmer, Anna S., Urs Pietsch, Martin Siegemund, et al.. (2023). Protocolised early de-resuscitation in septic shock (REDUCE): protocol for a randomised controlled multicentre feasibility trial. BMJ Open. 13(9). e074847–e074847. 2 indexed citations

Messmer, Anna S., et al.. (2023). Active fluid de-resuscitation in critically ill patients with septic shock: A systematic review and meta-analysis. European Journal of Internal Medicine. 109. 89–96. 13 indexed citations

Messmer, Anna S. & Carmen A. Pfortmueller. (2023). Normal saline versus balanced crystalloids: is it all about sodium?. The Lancet Respiratory Medicine. 12(3). 187–188.

10.

Michel, M, et al.. (2022). Fluid overload and mortality in critically ill patients with severe heart failure and cardiogenic shock–An observational cohort study. Frontiers in Medicine. 9. 1040055–1040055. 7 indexed citations

11.

Zuercher, Patrick, et al.. (2022). Dysphagia incidence in intensive care unit patients with coronavirus disease 2019: retrospective analysis following systematic dysphagia screening. The Journal of Laryngology & Otology. 136(12). 1278–1283. 6 indexed citations

12.

Messmer, Anna S., Yok‐Ai Que, Christoph J. Schankin, et al.. (2021). CAR T-cell therapy and critical care. Wiener klinische Wochenschrift. 133(23-24). 1318–1325. 29 indexed citations

13.

Pfortmueller, Carmen A., Noëlle V. Schenk, Anna S. Messmer, et al.. (2020). Hypertonic saline for fluid resuscitation in ICU patients post-cardiac surgery (HERACLES): a double-blind randomized controlled clinical trial. Intensive Care Medicine. 46(9). 1683–1695. 12 indexed citations

14.

Pfortmueller, Carmen A., Anna S. Messmer, David Reineke, et al.. (2019). Hypertonic saline for fluid resuscitation after cardiac surgery (HERACLES): study protocol for a preliminary randomised controlled clinical trial. Trials. 20(1). 357–357. 5 indexed citations

15.

Pfortmueller, Carmen A., Gabor Erdoes, Anna S. Messmer, et al.. (2019). Mannitol for the Prevention of Peri-Operative Acute Kidney Injury: A Systematic Review. European Journal of Vascular and Endovascular Surgery. 58(1). 130–140. 19 indexed citations

16.

Nickel, Christian H., Anna S. Messmer, Sven Giersdorf, et al.. (2016). Adrenomedullin for Risk Stratification of Emergency Patients With Nonspecific Complaints. Medicine. 95(1). e2395–e2395. 5 indexed citations

17.

Peng, Ai, et al.. (2015). The proportion of correct diagnoses is low in emergency patients with nonspecific complaints presenting to the emergency department. Swiss Medical Weekly. 145(910). w14121–w14121. 31 indexed citations

18.

Messmer, Anna S., et al.. (2014). Impact of Observation on Disposition of Elderly Patients Presenting to Emergency Departments with Non-Specific Complaints. PLoS ONE. 9(5). e98097–e98097. 21 indexed citations

19.

Nickel, Christian H., et al.. (2013). Drug - related emergency department visits by elderly patients presenting with non-specific complaints. Scandinavian Journal of Trauma Resuscitation and Emergency Medicine. 21(1). 15–15. 60 indexed citations

20.

Messmer, Anna S., Katharina M. Kubera, Michael Tamm, et al.. (2011). Pulmonary cavitation in a patient presenting with nonspecific complaints. The American Journal of Emergency Medicine. 30(8). 1662.e1–1662.e3.

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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