Robert M. Freedom

18.4k total citations · 1 hit paper
318 papers, 12.3k citations indexed

About

Robert M. Freedom is a scholar working on Epidemiology, Pulmonary and Respiratory Medicine and Surgery. According to data from OpenAlex, Robert M. Freedom has authored 318 papers receiving a total of 12.3k indexed citations (citations by other indexed papers that have themselves been cited), including 252 papers in Epidemiology, 203 papers in Pulmonary and Respiratory Medicine and 159 papers in Surgery. Recurrent topics in Robert M. Freedom's work include Congenital Heart Disease Studies (247 papers), Coronary Artery Anomalies (62 papers) and Cardiac Structural Anomalies and Repair (56 papers). Robert M. Freedom is often cited by papers focused on Congenital Heart Disease Studies (247 papers), Coronary Artery Anomalies (62 papers) and Cardiac Structural Anomalies and Repair (56 papers). Robert M. Freedom collaborates with scholars based in Canada, United States and United Kingdom. Robert M. Freedom's co-authors include Lee Benson, William G. Williams, Brian W. McCrindle, Richard D. Rowe, George A. Trusler, Jeffrey F. Smallhorn, David Nykanen, Patricia E. Burrows, John G. Coles and C.A.F. Möes 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

Robert M. Freedom

314 papers receiving 11.8k citations

Hit Papers

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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.

Angiographic classification of the isolated, persistently patent ductus arteriosus and implications for percutaneous catheter occlusion

1989 476 citations Lee Benson, Patricia E. Burrows et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Robert M. Freedom	8.8k	6.3k	5.7k	5.4k	1.3k	318	12.3k
Aldo R. Castañeda	8.3k 0.9×	5.9k 0.9×	5.4k 0.9×	4.0k 0.7×	677 0.5×	246	11.3k
Alexander S. Nadas	5.3k 0.6×	4.8k 0.8×	3.2k 0.6×	3.8k 0.7×	1.2k 0.9×	251	9.7k
Tal Geva	9.9k 1.1×	7.0k 1.1×	5.3k 0.9×	8.4k 1.6×	2.0k 1.5×	285	14.3k
Francisco J. Puga	6.5k 0.7×	5.3k 0.8×	5.3k 0.9×	6.3k 1.2×	581 0.4×	199	10.7k
John F. Keane	6.8k 0.8×	5.3k 0.8×	3.7k 0.7×	5.3k 1.0×	861 0.7×	164	9.7k
Thomas A. Orszulak	4.1k 0.5×	3.9k 0.6×	7.4k 1.3×	11.4k 2.1×	1.6k 1.2×	223	14.1k
Dwight C. McGoon	8.8k 1.0×	6.5k 1.0×	6.1k 1.1×	6.9k 1.3×	582 0.4×	288	12.7k
Joseph E. Bavaria	4.4k 0.5×	13.7k 2.2×	7.0k 1.2×	11.4k 2.1×	754 0.6×	452	19.0k
Charles S. Kleinman	4.5k 0.5×	2.8k 0.4×	2.2k 0.4×	3.1k 0.6×	787 0.6×	130	7.3k
Jeffrey F. Smallhorn	4.2k 0.5×	2.6k 0.4×	3.2k 0.6×	4.1k 0.8×	648 0.5×	139	7.3k

Countries citing papers authored by Robert M. Freedom

Since Specialization

Citations

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

Fields of papers citing papers by Robert M. Freedom

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert M. Freedom. 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 Robert M. Freedom. The network helps show where Robert M. Freedom may publish in the future.

Co-authorship network of co-authors of Robert M. Freedom

This figure shows the co-authorship network connecting the top 25 collaborators of Robert M. Freedom. A scholar is included among the top collaborators of Robert M. Freedom 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 Robert M. Freedom. Robert M. Freedom 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

Peirone, Alejandro, Lisa K. Hornberger, Shi‐Joon Yoo, Glen S. Van Arsdell, & Robert M. Freedom. (2002). Solitary arterial trunk with absence of the ascending aorta: Embryologic considerations. Journal of Thoracic and Cardiovascular Surgery. 123(5). 993–995.

Dyamenahalli, Umesh, Brian W. McCrindle, Geoffrey Barker, et al.. (2000). Influence of perioperative factors on outcomes in children younger than 18 months after repair of tetralogy of Fallot. The Annals of Thoracic Surgery. 69(4). 1236–1242. 16 indexed citations

Freedom, Robert M.. (1998). Congenital Heart Disease in Adult, 2nd Edition Edited by Joseph K. Perloff W.B. Saunders Company, Philadelphia (1998) 406 pages, illustrated, $110.00 ISBN: 0‐7216‐2998‐9. Clinical Cardiology. 21(7). 536–536. 1 indexed citations

Vitiello, Renato, et al.. (1998). Complications associated with pediatric cardiac catheterization. Journal of the American College of Cardiology. 32(5). 1433–1440. 294 indexed citations

Freedom, Robert M.. (1997). Congenital heart disease : textbook of angiocardiography. 93 indexed citations

Gelatt, Mark, Robert M. Hamilton, Brian W. McCrindle, et al.. (1997). Arrhythmia and Mortality After the Mustard Procedure: A 30-Year Single-Center Experience. Journal of the American College of Cardiology. 29(1). 194–201. 326 indexed citations

Acherman, Ruben J., Jeffrey F. Smallhorn, & Robert M. Freedom. (1996). Echocardiographic assessment of pulmonary blood supply in patients with pulmonary atresia and ventricular septal defect. Journal of the American College of Cardiology. 28(5). 1308–1313. 19 indexed citations

Yoo, Shi‐Joon, Christine Houde, C.A.F. Möes, et al.. (1993). A case report of double-orifice tricuspid valve. International Journal of Cardiology. 39(1). 85–87. 10 indexed citations

Hanley, Frank L., Robert M. Sade, Eugene H. Blackstone, et al.. (1993). Outcomes in neonatal pulmonary atresia with intact ventricular septum A multiinstitutional study. Journal of Thoracic and Cardiovascular Surgery. 105(3). 406–427. 226 indexed citations

10.

Trusler, George A., William G. Williams, Jeffrey F. Smallhorn, & Robert M. Freedom. (1992). Late results after repair of aortic insufficiency associated with ventricular septal defect. Journal of Thoracic and Cardiovascular Surgery. 103(2). 276–281. 55 indexed citations

11.

Vogel, Michael, Jeffrey F. Smallhorn, & Robert M. Freedom. (1992). Serial analysis of regional left ventricular wall motion by two-dimensional echocardiography in patients with coronary artery enlargement after Kawasaki disease. Journal of the American College of Cardiology. 20(4). 915–919. 4 indexed citations

12.

Hosking, Martin, Lee Benson, Toshio Nakanishi, et al.. (1992). Intravascular stent prosthesis for right ventricular outflow obstruction. Journal of the American College of Cardiology. 20(2). 373–380. 94 indexed citations

13.

Williams, William G., Patricia E. Burrows, Robert M. Freedom, et al.. (1991). Thromboexclusion of the right ventricle in children with pulmonary atresia and intact ventricular septum. Journal of Thoracic and Cardiovascular Surgery. 101(2). 222–229. 35 indexed citations

14.

Pelech, Andrew N., John D. Dyck, George A. Trusler, et al.. (1987). Critical aortic stenosis. Journal of Thoracic and Cardiovascular Surgery. 94(4). 510–517. 63 indexed citations

15.

Rosenberg, Hans, William G. Williams, George A. Trusler, et al.. (1986). Congenital aortico-right atrial communications. Journal of Thoracic and Cardiovascular Surgery. 91(6). 841–847. 45 indexed citations

16.

Carlo, Duccio Di, William G. Williams, Robert M. Freedom, George A. Trusler, & Richard D. Rowe. (1982). The role of cava-pulmonary (Glenn) anastomosis in the palliative treatment of congenital heart disease. Journal of Thoracic and Cardiovascular Surgery. 83(3). 437–442. 46 indexed citations

17.

Rudd, Noreen L. & Robert M. Freedom. (1979). A possible primidone embryopathy. The Journal of Pediatrics. 94(5). 835–837. 43 indexed citations

18.

Freedom, Robert M. & Richard D. Rowe. (1978). Morphological and topographical variations of the outlet chamber in complex congenital heart disease: An angiocardiographic study. Catheterization and Cardiovascular Diagnosis. 4(4). 345–371. 23 indexed citations

19.

Freedom, Robert M., J A Culham, & Richard D. Rowe. (1977). Aortic atresia with normal left ventricle distinctive angiocardiographic findings. Catheterization and Cardiovascular Diagnosis. 3(3). 283–295. 11 indexed citations

20.

Freedom, Robert M.. (1972). The asplenia syndrome: A review of significant extracardiac structural abnormalities in 29 necropsied patients. The Journal of Pediatrics. 81(6). 1130–1133. 53 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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