John A. Cowan

6.3k total citations · 1 hit paper
99 papers, 4.9k citations indexed

About

John A. Cowan is a scholar working on Surgery, Cardiology and Cardiovascular Medicine and Pulmonary and Respiratory Medicine. According to data from OpenAlex, John A. Cowan has authored 99 papers receiving a total of 4.9k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Surgery, 22 papers in Cardiology and Cardiovascular Medicine and 20 papers in Pulmonary and Respiratory Medicine. Recurrent topics in John A. Cowan's work include Cardiac, Anesthesia and Surgical Outcomes (20 papers), Aortic aneurysm repair treatments (14 papers) and Crystallography and molecular interactions (10 papers). John A. Cowan is often cited by papers focused on Cardiac, Anesthesia and Surgical Outcomes (20 papers), Aortic aneurysm repair treatments (14 papers) and Crystallography and molecular interactions (10 papers). John A. Cowan collaborates with scholars based in United States, United Kingdom and France. John A. Cowan's co-authors include Justin B. Dimick, Gilbert R. Upchurch, James C. Stanley, Peter K. Henke, Reid M. Wainess, Peter J. Pronovost, Anne R. Cowan, Andrew J. Rowlingson, Brian M. Block and Christopher L. Wu and has published in prestigious journals such as New England Journal of Medicine, Journal of the American Chemical Society and JAMA.

In The Last Decade

John A. Cowan

99 papers receiving 4.7k 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.

Efficacy of postoperative epidural analgesia: a meta-analysis.

2003 655 citations John A. Cowan et al. PubMed profile →

Peers

John A. Cowan

SURGE

PRM

CCM

NEURO

OC

Ted P. Szatrowski United States

Stefan Sauerland Germany

Jan O. Friedrich Canada

Christopher T. Chan Canada

Mark Greenberg Canada

Sander M. J. van Kuijk Netherlands

Bojan Cercek United States

Robert L. Berger United States

Ronald H. Blum United States

H. William Strausś United States

Ted P. Szatrowski United States

John A. Cowan

2.4k ×1.1

SURGE

2.0k ×1.4

PRM

1.6k ×1.3

CCM

302 ×0.7

NEURO

231 ×0.6

OC

Citations per year, relative to John A. Cowan John A. Cowan (= 1×) peers Ted P. Szatrowski

Countries citing papers authored by John A. Cowan

Since Specialization

Citations

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

Fields of papers citing papers by John A. Cowan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John A. Cowan. 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 John A. Cowan. The network helps show where John A. Cowan may publish in the future.

Co-authorship network of co-authors of John A. Cowan

This figure shows the co-authorship network connecting the top 25 collaborators of John A. Cowan. A scholar is included among the top collaborators of John A. Cowan 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 John A. Cowan. John A. Cowan 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

1.

El‐Sayed, Abdulrahman M., Craig Hadley, Fasil Tessema, et al.. (2010). Back and Neck Pain and Psychopathology in Rural Sub-Saharan Africa. Spine. 35(6). 684–689. 21 indexed citations

2.

El‐Sayed, Abdulrahman M., et al.. (2010). Household food insecurity and symptoms of neurologic disorder in Ethiopia: An observational analysis. BMC Public Health. 10(1). 802–802. 10 indexed citations

3.

Cowan, John A. & William F. Chandler. (2007). Changing trends in the use and costs of procedures performed by neurosurgeons in the United States.. PubMed. 54. 209–11. 14 indexed citations

4.

Cowan, John A., Matthew J. McGirt, Graeme F. Woodworth, Daniele Rigamonti, & Michael A. Williams. (2005). The syndrome of hydrocephalus in young and middle-aged adults (SHYMA). Neurological Research. 27(5). 540–547. 31 indexed citations

5.

Mukherjee, Debabrata, Reid M. Wainess, Justin B. Dimick, et al.. (2005). Variation in Outcomes after Percutaneous Coronary Intervention in the United States and Predictors of Periprocedural Mortality. Cardiology. 103(3). 143–147. 16 indexed citations

6.

Cowan, John A., Judith A. K. Howard, Garry J. McIntyre, S.M.F. Lo, & Ian D. Williams. (2005). Variable-temperature neutron diffraction studies of the short, strong hydrogen bonds in the crystal structure of pyridine-3,5-dicarboxylic acid. Acta Crystallographica Section B Structural Science. 61(6). 724–730. 55 indexed citations

7.

Cowan, John A., Reid M. Wainess, Justin B. Dimick, Gilbert R. Upchurch, & B. Gregory Thompson. (2004). Council of State Neurosurgical Societies Resident Award: The utilization of carotid endarterectomy by neurosurgeons in the United States from 1990 to 2000.. PubMed. 51. 329–31. 1 indexed citations

8.

Park, Paul, William F. Chandler, Ariel L. Barkan, et al.. (2004). The Role of Radiation Therapy after Surgical Resection of Nonfunctional Pituitary Macroadenomas. Neurosurgery. 55(1). 100–107. 122 indexed citations

9.

Dimick, Justin B., Reid M. Wainess, John A. Cowan, et al.. (2004). National trends in the use and outcomes of hepatic resection1. Journal of the American College of Surgeons. 199(1). 31–38. 180 indexed citations

10.

Johnson, Kevin B., William J. Ravich, & John A. Cowan. (2004). Brainstorming about next-generation computer-based documentation: an AMIA clinical working group survey. International Journal of Medical Informatics. 73(9-10). 665–674. 20 indexed citations

11.

Knipp, Brian S., Justin B. Dimick, Jonathan L. Eliason, et al.. (2004). Diffusion of new technology for the treatment of renovascular hypertension in the United States: Surgical revascularization versus catheter-based therapy, 1988-2001. Journal of Vascular Surgery. 40(4). 717–723. 32 indexed citations

12.

Cowan, John A., Justin B. Dimick, Jean‐Christophe Leveque, et al.. (2003). The Impact of Provider Volume on Mortality after Intracranial Tumor Resection. Neurosurgery. 52(1). 48–54. 102 indexed citations

13.

Cowan, John A., Justin B. Dimick, Jean‐Christophe Leveque, et al.. (2003). The Impact of Provider Volume on Mortality after Intracranial Tumor Resection. Neurosurgery. 52(1). 48–54. 5 indexed citations

14.

Cowan, John A., Judith A. K. Howard, Garry J. McIntyre, S.M.F. Lo, & Ian D. Williams. (2003). Variable-temperature neutron diffraction studies of the short, strong N...O hydrogen bonds in the 1:2 co-crystal of benzene-1,2,4,5-tetracarboxylic acid and 4,4'-bipyridyl. Acta Crystallographica Section B Structural Science. 59(6). 794–801. 83 indexed citations

15.

Dimick, Justin B., John A. Cowan, Peter K. Henke, et al.. (2003). Hospital volume-related differences in aorto-bifemoral bypass operative mortality in the United States. Journal of Vascular Surgery. 37(5). 970–975. 47 indexed citations

16.

Dimick, Justin B., John A. Cowan, James C. Stanley, et al.. (2003). Surgeon specialty and provider volumes are related to outcome of intact abdominal aortic aneurysm repair in the united states. Journal of Vascular Surgery. 38(4). 739–744. 170 indexed citations

17.

Cowan, John A., Justin B. Dimick, Peter K. Henke, et al.. (2003). Surgical treatment of intact thoracoabdominal aortic aneurysms in the United States: Hospital and surgeon volume-related outcomes. Journal of Vascular Surgery. 37(6). 1169–1174. 293 indexed citations

18.

Cowan, John A., Justin B. Dimick, Reid M. Wainess, Gilbert R. Upchurch, & B. Gregory Thompson. (2003). Outcomes after cerebral aneurysm clip occlusion in the United States: the need for evidence-based hospital referral. Journal of neurosurgery. 99(6). 947–952. 74 indexed citations

19.

Dimick, Justin B., Peter J. Pronovost, John A. Cowan, & Pamela A. Lipsett. (2003). Complications and Costs After High-Risk Surgery: Where Should We Focus Quality Improvement Initiatives?. Journal of the American College of Surgeons. 196(5). 671–678. 137 indexed citations

20.

Cowan, John A., Judith A. K. Howard, M.A. Leech, Horst Puschmann, & Ian D. Williams. (2001). Hexahydroxybenzene–2,2′-bipyridine (1/2). Acta Crystallographica Section C Crystal Structure Communications. 57(10). 1194–1195. 7 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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