K.E. Hammermeister

3.2k total citations · 1 hit paper
33 papers, 2.5k citations indexed

About

K.E. Hammermeister is a scholar working on Cardiology and Cardiovascular Medicine, Surgery and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, K.E. Hammermeister has authored 33 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Cardiology and Cardiovascular Medicine, 13 papers in Surgery and 5 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in K.E. Hammermeister's work include Cardiac Valve Diseases and Treatments (12 papers), Cardiac, Anesthesia and Surgical Outcomes (11 papers) and Health Systems, Economic Evaluations, Quality of Life (5 papers). K.E. Hammermeister is often cited by papers focused on Cardiac Valve Diseases and Treatments (12 papers), Cardiac, Anesthesia and Surgical Outcomes (11 papers) and Health Systems, Economic Evaluations, Quality of Life (5 papers). K.E. Hammermeister collaborates with scholars based in United States, United Kingdom and Australia. K.E. Hammermeister's co-authors include Frederick L. Grover, J.Richard Warbasse, Cecil M. Burchfiel, A. Laurie Shroyer, Randall R. Johnson, William G. Henderson, Gulshan K. Sethi, Timothy D. Schowalter, Thomas Moritz and Guillermo Marshall and has published in prestigious journals such as New England Journal of Medicine, Circulation and Journal of the American College of Cardiology.

In The Last Decade

K.E. Hammermeister

33 papers receiving 2.3k 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.

Atrial Fibrillation After Cardiac Surgery

1997 560 citations G. Hossein Almassi, Timothy D. Schowalter et al. Annals of Surgery profile →

Peers

Countries citing papers authored by K.E. Hammermeister

Since Specialization

Citations

This map shows the geographic impact of K.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 K.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 K.E. Hammermeister more than expected).

Fields of papers citing papers by K.E. Hammermeister

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

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

This figure shows the co-authorship network connecting the top 25 collaborators of K.E. Hammermeister. A scholar is included among the top collaborators of K.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 K.E. Hammermeister. K.E. Hammermeister 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

#	Work	Indexed citations
1	Renal failure predisposes patients to adverse outcome after coronary artery bypass surgery 1999 ·Kidney International ·Robert J. Anderson, Maureen M. O’Brien, Samantha MaWhinney, CATHERINE B. VILLANUEVA, (unknown), Gulshan K. Sethi, William G. Henderson, K.E. Hammermeister, Frederick L. Grover, A. Laurie Shroyer	172
2	Atrial Fibrillation After Cardiac Surgery breakdown → 1997 ·Annals of Surgery ·G. Hossein Almassi, Timothy D. Schowalter, Alfred C. Nicolosi, Anil Aggarwal, Thomas Moritz, William G. Henderson, Riyad Tarazi, A. Laurie Shroyer, Gulshan K. Sethi, Frederick L. Grover, K.E. Hammermeister	560
3	Identification of preoperative variables needed for risk adjustment of short-term mortality after coronary artery bypass graft surgery 1996 ·Journal of the American College of Cardiology ·Robert H. Jones, Edward L. Hannan, K.E. Hammermeister, Elizabeth R. DeLong, Gerald T O’Connor, Russell V. Luepker, Victor Parsonnet, David B. Pryor	237
4	Bayesian-logit model for risk assessment in coronary artery bypass grafting 1994 ·The Annals of Thoracic Surgery ·Guillermo Marshall, A. Laurie Shroyer, Frederick L. Grover, K.E. Hammermeister	36
5	The veterans affairs continuous improvement in cardiac surgery study 1994 ·The Annals of Thoracic Surgery ·Frederick L. Grover, Randall R. Johnson, (unknown), A. Laurie Shroyer, Guillermo Marshall, K.E. Hammermeister	122
6	Factors predictive of operative mortality among coronary artery bypass subsets 1993 ·The Annals of Thoracic Surgery ·Frederick L. Grover, Randall R. Johnson, Guillermo Marshall, K.E. Hammermeister	87
7	Salvage angioplasty: An alternative to high risk surgery for unstable angina? 1992 ·Catheterization and Cardiovascular Diagnosis ·Douglass A. Morrison, Charles Barbiere, (unknown), (unknown), David A. Fullerton, K.E. Hammermeister, Frederick L. Grover, Pamela J. Morgan, Monika Fagevik Olsén, (unknown), (unknown), (unknown)	8
8	Conditional power for arbitrary survival curves to decide whether to extend a clinical trial 1991 ·Controlled Clinical Trials ·William G. Henderson, Susan G. Fisher, Laura Weber, K.E. Hammermeister, Gulshan K. Sethi	13
9	Initial report of the veterans administration preoperative risk assessment study for cardiac surgery 1990 ·The Annals of Thoracic Surgery ·Frederick L. Grover, K.E. Hammermeister, Cecil M. Burchfiel	182
10	Determinants of survival and left ventricular performance after mitral valve replacement. Department of Veterans Affairs Cooperative Study on Valvular Heart Disease. 1990 ·Circulation ·Michael H. Crawford, Julianne Souchek, Charles Oprian, D. Craig Miller, S H Rahimtoola, John C. Giacomini, Gautam Sethi, K.E. Hammermeister	201
11	Clinical, haemodynamic and angiographic predictors of survival in unoperated patients with aortic stenosis 1988 ·European Heart Journal ·(unknown), K.E. Hammermeister, Anna Cantor, Cecil M. Burchfiel, G Sethi, Daqing Hong	16
12	Operative mortality in patients undergoing single valve replacement in teaching institutions--early mortality as a function of resident versus staff surgeon. 1988 ·PubMed ·Gautam Sethi, Charles Oprian, D. Craig Miller, S Khuri, Alan Cantor, W. G. Henderson, K.E. Hammermeister	13
13	Clinical, hemodynamic, and angiographic predictors of operative mortality in patients undergoing single valve replacement 1987 ·Journal of Thoracic and Cardiovascular Surgery ·Gulshan K. Sethi, D. Craig Miller, Julianne Souchek, Charles Oprian, William G. Henderson, (unknown), Edward D. Folland, Shukri F. Khuri, Stewart M. Scott, Cecil M. Burchfiel, K.E. Hammermeister	58
14	A simple, new system for maintaining measured quantities of saline cold and sterile for thermodilution cardiac output measurement 1979 ·Catheterization and Cardiovascular Diagnosis ·K.E. Hammermeister, (unknown)	1
15	The Effect of External Pressure Diastolic Augmentation on Regional Myocardial Perfusion in Experimental Myocardial Infarction 1975 ·Cardiology ·(unknown), Glen W. Hamilton, K.E. Hammermeister	1
16	The Rate of Change of Left Ventricular Volume in Man 1974 ·Circulation ·K.E. Hammermeister, J.Richard Warbasse	197
17	Revision of Gorlin constant for calculation of mitral valve area from left heart pressures. 1973 ·Heart ·K.E. Hammermeister, (unknown), J. R. Blackmon	29
18	Hemodynamic studies with sotalol in man, performed at rest, during exercise, and during right ventricular pacing 1971 ·American Heart Journal ·(unknown), K.E. Hammermeister, W. Barton Campbell, (unknown), (unknown), Hywel Davies	25
19	Digital filtering of left ventricular heart volume and calculation of aortic valve blood flow 1971 ·Computers and Biomedical Research ·(unknown), (unknown), K.E. Hammermeister, J.Richard Warbasse	12
20	Severe, intermittent, mitral regurgitation in a Cross-Jones valve 1969 ·Journal of Thoracic and Cardiovascular Surgery ·K.E. Hammermeister, D.H. Dillard, John W. Kennedy	12

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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