Ranjit John

22.8k total citations · 5 hit papers
250 papers, 13.6k citations indexed

About

Ranjit John is a scholar working on Surgery, Biomedical Engineering and Emergency Medicine. According to data from OpenAlex, Ranjit John has authored 250 papers receiving a total of 13.6k indexed citations (citations by other indexed papers that have themselves been cited), including 199 papers in Surgery, 175 papers in Biomedical Engineering and 81 papers in Emergency Medicine. Recurrent topics in Ranjit John's work include Mechanical Circulatory Support Devices (175 papers), Cardiac Structural Anomalies and Repair (145 papers) and Cardiac Arrest and Resuscitation (76 papers). Ranjit John is often cited by papers focused on Mechanical Circulatory Support Devices (175 papers), Cardiac Structural Anomalies and Repair (145 papers) and Cardiac Arrest and Resuscitation (76 papers). Ranjit John collaborates with scholars based in United States, Poland and United Kingdom. Ranjit John's co-authors include Andrew Boyle, Francis D. Pagani, David J. Farrar, Stuart D. Russell, Yoshifumi Naka, Peter Eckman, Donna Mancini, Leslie W. Miller, Keith D. Aaronson and John V. Conte and has published in prestigious journals such as New England Journal of Medicine, The Lancet and Circulation.

In The Last Decade

Ranjit John

235 papers receiving 13.3k citations

Hit Papers

5 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.

Use of a Continuous-Flow Device in Patients Awaiting Heart Transplantation

2007 1.2k citations Leslie W. Miller, Francis D. Pagani et al. profile →
Right ventricular failure in patients with the HeartMate II continuous-flow left ventricular assist device: Incidence, risk factors, and effect on outcomes

2010 654 citations Francis D. Pagani, Stuart D. Russell et al. profile →
Extended Mechanical Circulatory Support With a Continuous-Flow Rotary Left Ventricular Assist Device

2009 644 citations Francis D. Pagani, Leslie W. Miller et al. Journal of the American College of Cardiology profile →
Advanced reperfusion strategies for patients with out-of-hospital cardiac arrest and refractory ventricular fibrillation (ARREST): a phase 2, single centre, open-label, randomised controlled trial

2020 521 citations Demetris Yannopoulos, Jason A. Bartos et al. profile →
Continuous Flow Left Ventricular Assist Device Improves Functional Capacity and Quality of Life of Advanced Heart Failure Patients

2010 443 citations Keith D. Aaronson, Andrew Boyle et al. Journal of the American College of Cardiology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Ranjit John United States	62	11.0k	10.5k	5.8k	3.9k	912	250	13.6k
Keith D. Aaronson United States	54	10.2k 0.9×	9.7k 0.9×	4.5k 0.8×	7.1k 1.8×	1.1k 1.2×	255	15.4k
Nir Uriel United States	50	7.8k 0.7×	7.9k 0.8×	4.1k 0.7×	4.3k 1.1×	677 0.7×	538	11.9k
Nader Moazami United States	47	6.3k 0.6×	5.6k 0.5×	2.8k 0.5×	3.9k 1.0×	991 1.1×	273	9.6k
Ulrich P. Jorde United States	49	6.5k 0.6×	6.4k 0.6×	3.2k 0.6×	3.7k 0.9×	563 0.6×	355	9.2k
Mark S. Slaughter United States	49	7.5k 0.7×	7.3k 0.7×	3.5k 0.6×	3.5k 0.9×	586 0.6×	319	10.1k
David C. Naftel United States	68	13.5k 1.2×	10.3k 1.0×	4.1k 0.7×	5.8k 1.5×	2.0k 2.2×	297	17.2k
Pascal Leprince France	57	5.5k 0.5×	5.4k 0.5×	3.5k 0.6×	4.5k 1.1×	1.7k 1.8×	312	10.7k
John V. Conte United States	58	11.3k 1.0×	8.0k 0.8×	3.1k 0.5×	5.4k 1.4×	2.6k 2.9×	234	15.4k
O.H. Frazier United States	63	13.8k 1.3×	12.7k 1.2×	5.2k 0.9×	7.5k 1.9×	1.3k 1.4×	438	18.9k
Yoshifumi Naka United States	78	15.4k 1.4×	14.1k 1.3×	6.4k 1.1×	6.1k 1.6×	1.1k 1.2×	614	22.2k

Countries citing papers authored by Ranjit John

Since Specialization

Citations

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

Fields of papers citing papers by Ranjit John

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ranjit John

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

Kennedy, John T., Jason W. Greenberg, Md Monir Hossain, et al.. (2023). Donation after circulatory death significantly reduces waitlist times while not changing post–heart transplant outcomes: A United Network for Organ Sharing Analysis. The Journal of Heart and Lung Transplantation. 43(3). 461–470. 21 indexed citations

Vest, Amanda R., Levi Teigen, Ranjit John, et al.. (2023). Body mass index and natriuretic peptides trends before and after left ventricular assist device. SHILAP Revista de lepidopterología. 6(1). 42–49. 3 indexed citations

Chahine, Johnny, et al.. (2022). A retrospective study on the trends in surgical aortic valve replacement outcomes in the post‐transcatheter aortic valve replacement era. Health Science Reports. 5(3). e660–e660. 3 indexed citations

John, Ranjit, et al.. (2022). Intraoperative pump thrombosis (PT) in HeartMate (HM) III. Journal of Cardiac Surgery. 37(11). 3912–3915. 1 indexed citations

John, Ranjit & Rosemary F. Kelly. (2022). Time to Expand Use of Left Ventricular Assist Devices. The Annals of Thoracic Surgery. 115(2). 327–328. 1 indexed citations

Trachtenberg, Barry, et al.. (2021). Association between digoxin use and gastrointestinal bleeding in contemporary continuous flow left ventricular assist device support. The Journal of Heart and Lung Transplantation. 40(7). 671–676. 9 indexed citations

Kalra, Rajat, Jason A. Bartos, Marinos Kosmopoulos, et al.. (2020). Echocardiographic evaluation of cardiac recovery after refractory out-of-hospital cardiac arrest. Resuscitation. 154. 38–46. 18 indexed citations

Duval, Sue, et al.. (2019). Meta-Analysis of Outcomes of Axillary and Subclavian Implanted Impella 5.0 for Cardiogenic Shock. Journal of Cardiac Failure. 25(8). S64–S64. 1 indexed citations

John, Ranjit, et al.. (2017). Avoiding the Learning Curve for Transcatheter Aortic Valve Replacement. Cardiology Research and Practice. 2017. 1–5. 12 indexed citations

10.

Adatya, Sirtaz, Christopher T. Holley, Samit S. Roy, et al.. (2015). Echocardiographic Ramp Test for Continuous-Flow Left Ventricular Assist Devices. JACC Heart Failure. 3(4). 291–299. 16 indexed citations

11.

John, Ranjit, et al.. (2012). Successful Treatment of Early Thrombosis of HeartWare Left Ventricular Assist Device With Intraventricular Thrombolytics. The Annals of Thoracic Surgery. 94(1). 281–283. 52 indexed citations

12.

John, Ranjit & Kenneth K. Liao. (2010). Orthotopic Heart Transplantation. Operative Techniques in Thoracic and Cardiovascular Surgery. 15(2). 138–146. 11 indexed citations

13.

Pagani, Francis D., Leslie W. Miller, Stuart D. Russell, et al.. (2009). Extended Mechanical Circulatory Support With a Continuous-Flow Rotary Left Ventricular Assist Device. Journal of the American College of Cardiology. 54(4). 312–321. 644 indexed citations breakdown →

14.

Lietz, Katherine, Ranjit John, Ainat Beniaminovitz, et al.. (2003). Interleukin-2 receptor blockade in cardiac transplantation: influence of HLA-DR locus incompatibility on treatment efficacy. Transplantation. 75(6). 781–787. 12 indexed citations

15.

John, Ranjit, et al.. (2002). The initial Trinidad experience with Cine MRI in clinical cardiology.. PubMed. 51(1). 47–51. 1 indexed citations

16.

Schuster, Michael, Alfred Kocher, Ranjit John, et al.. (2002). B-Cell activation and allosensitization after left ventricular assist device implantation is due to T-Cell activation and CD40 ligand expression. Human Immunology. 63(3). 211–220. 61 indexed citations

17.

John, Ranjit, Alfred Kocher, Michael Schuster, et al.. (2001). Increased risk for cardiac allograft rejection in recipients with HLA-B8, DR3 type. Transplantation Proceedings. 33(1-2). 481–482. 3 indexed citations

18.

John, Ranjit, et al.. (1999). Cardiac transplantation in over 1000 patients: a single institution experience from Columbia University.. PubMed. 249–61. 12 indexed citations

19.

John, Ranjit & Jeffrey L. Zitsman. (1998). Pitfalls in Diagnostic Laparoscopic Evaluation of the Contralateral Groin. Pediatric Endosurgery & Innovative Techniques. 2(2). 55–59. 3 indexed citations

20.

John, Ranjit, et al.. (1963). Viscosity and flow measurement : a laboratory handbook of rheology. 150 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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