Karl E. Hammermeister

13.2k citations
132 papers · 9.5k indexed · 7 hit papers · h-index 43

Karl E. Hammermeister

130 papers receiving 9.0k citations

Hit Papers

The Department of Veterans Affairs' NSQIP1979202619942010199819982000199719794008001.2k

Peers

Karl E. Hammermeister
Comparison fields: 5 of 156
  • Cardiology and Cardiovascular Medicine 6.3k
  • Surgery 4.3k
  • Pulmonary and Respiratory Medicine 1.6k
  • Epidemiology 1.4k
  • Nephrology 1.3k
Replace T. Bruce Ferguson with:
T. Bruce Ferguson United States
Frederick L. Grover United States
Gerald T. O’Connor United States
Stephen E. Fremes Canada
David J. Malenka United States
Deeb N. Salem United States
Samer A.M. Nashef United Kingdom
Richard M. Nowak United States
Gary E. Raskob United States
Hitinder S. Gurm United States
Karl E. Hammermeister relative to T. Bruce Ferguson United States T. Bruce Ferguson's profile →
Citations per field
00.5×1.5×2.5×
T. Bruce Ferguson · 1×
Citations per year

Countries citing papers authored by Karl E. Hammermeister

Since Specialization
Citations

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

Fields of papers citing papers by Karl E. Hammermeister

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karl E. Hammermeister. 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 Karl E. Hammermeister. The network helps show where Karl E. Hammermeister may publish in the future.

Co-authorship network of co-authors of Karl E. Hammermeister

This figure shows the co-authorship network connecting the top 25 collaborators of Karl E. Hammermeister. A scholar is included among the top collaborators of Karl E. Hammermeister 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 Karl E. Hammermeister. Karl E. Hammermeister 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
#WorkIndexed citations
1 16
2 27
3 18
4 20
5 31
6 88
7 1
8 118
9 20
10
Outcomes 15 years after valve replacement with a mechanical versus a bioprosthetic valve: final report of the Veterans Affairs randomized trialbreakdown →
735
11 43
12 48
13 15
14 3
15 1
16 11
17 39
18 22
19 14
20 21

About Karl E. Hammermeister

Karl E. Hammermeister is a scholar working on Cardiology and Cardiovascular Medicine, Surgery and Health Information Management, having authored 132 papers that have together received 9.5k indexed citations. Recurring topics across this work include Cardiac, Anesthesia and Surgical Outcomes (64 papers), Cardiac Valve Diseases and Treatments (22 papers) and Hip and Femur Fractures (21 papers). The work is most often cited by research in Cardiology and Cardiovascular Medicine (6.3k citations), Nephrology (1.3k citations) and Critical Care and Intensive Care Medicine (523 citations). Karl E. Hammermeister has collaborated with scholars based in United States, Chile and United Kingdom. Frequent co-authors include Frederick L. Grover, William G. Henderson, Jennifer Daley, Gulshan K. Sethi, Glenn M. Chertow, Harold T. Dodge, Timothy A. DeRouen, Charles Oprian, Elliott Levy and Shahbudin H. Rahimtoola. Their work appears in journals such as New England Journal of Medicine, Journal of Biological Chemistry and Circulation.

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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