Alan J. Leach

1.9k total citations · 1 hit paper
8 papers, 1.4k citations indexed

About

Alan J. Leach is a scholar working on Surgery, Cardiology and Cardiovascular Medicine and Cellular and Molecular Neuroscience. According to data from OpenAlex, Alan J. Leach has authored 8 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Surgery, 6 papers in Cardiology and Cardiovascular Medicine and 1 paper in Cellular and Molecular Neuroscience. Recurrent topics in Alan J. Leach's work include Cardiac Valve Diseases and Treatments (5 papers), Cardiac and Coronary Surgery Techniques (4 papers) and Coronary Interventions and Diagnostics (4 papers). Alan J. Leach is often cited by papers focused on Cardiac Valve Diseases and Treatments (5 papers), Cardiac and Coronary Surgery Techniques (4 papers) and Coronary Interventions and Diagnostics (4 papers). Alan J. Leach collaborates with scholars based in Canada. Alan J. Leach's co-authors include Gerald M. FitzGibbon, Henryk Kafka, Wilbert J. Keon, Jeffrey R. Burton, G. Hooper, Mark G. Hamilton, J. Robert Swenson and Kwan L. Chan and has published in prestigious journals such as Journal of the American College of Cardiology, The American Journal of Cardiology and Journal of Thoracic and Cardiovascular Surgery.

In The Last Decade

Alan J. Leach

8 papers receiving 1.3k 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.

Coronary bypass graft fate and patient outcome: Angiographic follow-up of 5,065 grafts related to survival and reoperation in 1,388 patients during 25 years

1996 970 citations Gerald M. FitzGibbon, Henryk Kafka et al. Journal of the American College of Cardiology profile →

Peers

Alan J. Leach

SURGE

CCM

PRM

RNMI

BE

J L Guermonprez France

George E. Green United States

Jean-Léon Guermonprez France

Permyos Ruengsakulrach Australia

Jane Boswick United States

L Niccoli Italy

Israel J. Jacobowitz United States

P Huber United States

Mark Pica United States

J. Dens Belgium

J L Guermonprez France

Alan J. Leach

1.2k ×0.9

SURGE

950 ×0.9

CCM

470 ×1.9

PRM

172 ×0.8

RNMI

170 ×1.5

BE

Citations per year, relative to Alan J. Leach Alan J. Leach (= 1×) peers J L Guermonprez

Countries citing papers authored by Alan J. Leach

Since Specialization

Citations

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

Fields of papers citing papers by Alan J. Leach

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alan J. Leach. 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 Alan J. Leach. The network helps show where Alan J. Leach may publish in the future.

Co-authorship network of co-authors of Alan J. Leach

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

All Works

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8 of 8 papers shown

1.

Swenson, J. Robert, et al.. (1997). Psychosocial Aspects of Coronary Artery Disease Related to Military Patients. The Canadian Journal of Psychiatry. 42(2). 176–184. 10 indexed citations

2.

FitzGibbon, Gerald M., Henryk Kafka, Alan J. Leach, et al.. (1996). Coronary bypass graft fate and patient outcome: Angiographic follow-up of 5,065 grafts related to survival and reoperation in 1,388 patients during 25 years. Journal of the American College of Cardiology. 28(3). 616–626. 970 indexed citations breakdown →

3.

Kafka, Henryk, Alan J. Leach, & Gerald M. FitzGibbon. (1995). Exercise echocardiography after coronary artery bypass surgery: Correlation with coronary angiography. Journal of the American College of Cardiology. 25(5). 1019–1023. 29 indexed citations

4.

FitzGibbon, Gerald M., Alan J. Leach, Henryk Kafka, & Wilbert J. Keon. (1991). Coronary bypass graft fate: Long-term angiographic study. Journal of the American College of Cardiology. 17(5). 1075–1080. 174 indexed citations

5.

Kafka, Henryk, Kwan L. Chan, & Alan J. Leach. (1989). Asymptomatic aortico-left ventricular tunnel in adulthood. The American Journal of Cardiology. 63(13). 1021–1022. 7 indexed citations

6.

FitzGibbon, Gerald M., et al.. (1987). Coronary artery disease and coronary bypass grafting in young men: Experience with 138 subjects 39 years of age and younger. Journal of the American College of Cardiology. 9(5). 977–988. 20 indexed citations

7.

FitzGibbon, Gerald M., Alan J. Leach, Wilbert J. Keon, Jeffrey R. Burton, & Henryk Kafka. (1986). Coronary bypass graft fate. Journal of Thoracic and Cardiovascular Surgery. 91(5). 773–778. 149 indexed citations

8.

Burton, Jeffrey R., Gerald M. FitzGibbon, Wilbert J. Keon, & Alan J. Leach. (1981). Perioperative myocardial infarction complicating coronary bypass. Journal of Thoracic and Cardiovascular Surgery. 82(5). 758–764. 31 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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