James P. Howard

8.1k total citations · 2 hit papers
86 papers, 2.4k citations indexed

About

James P. Howard is a scholar working on Cardiology and Cardiovascular Medicine, Radiology, Nuclear Medicine and Imaging and Surgery. According to data from OpenAlex, James P. Howard has authored 86 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 64 papers in Cardiology and Cardiovascular Medicine, 27 papers in Radiology, Nuclear Medicine and Imaging and 19 papers in Surgery. Recurrent topics in James P. Howard's work include Cardiac Imaging and Diagnostics (25 papers), Cardiac Arrhythmias and Treatments (21 papers) and Cardiac pacing and defibrillation studies (17 papers). James P. Howard is often cited by papers focused on Cardiac Imaging and Diagnostics (25 papers), Cardiac Arrhythmias and Treatments (21 papers) and Cardiac pacing and defibrillation studies (17 papers). James P. Howard collaborates with scholars based in United Kingdom, United States and Germany. James P. Howard's co-authors include Dárrel P. Francis, Alexandra N. Nowbar, Rasha Al‐Lamee, Mauro Gitto, Matthew Shun‐Shin, Yousif Ahmad, Ahran Arnold, Graham D. Cole, Zachary I. Whinnett and Judith A. Finegold and has published in prestigious journals such as Circulation, SHILAP Revista de lepidopterología and Journal of the American College of Cardiology.

In The Last Decade

James P. Howard

81 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.

Mortality From Ischemic Heart Disease

2019 561 citations Alexandra N. Nowbar, James P. Howard et al. profile →
Coronary flow reserve and cardiovascular outcomes: a systematic review and meta-analysis

2021 154 citations Mihir A Kelshiker, Henry Seligman et al. European Heart Journal profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
James P. Howard United Kingdom	24	1.5k	680	513	233	194	86	2.4k
Charity J. Morgan United States	31	1.2k 0.8×	535 0.8×	292 0.6×	414 1.8×	229 1.2×	126	3.0k
Marco Giuseppe Del Buono Italy	27	2.0k 1.3×	710 1.0×	762 1.5×	229 1.0×	190 1.0×	125	3.1k
Edgar Argulian United States	23	1.4k 0.9×	435 0.6×	579 1.1×	214 0.9×	336 1.7×	98	2.1k
Marcin Grabowski Poland	24	1.7k 1.1×	502 0.7×	201 0.4×	206 0.9×	249 1.3×	345	2.7k
Miloš Táborský Czechia	23	3.2k 2.1×	504 0.7×	316 0.6×	192 0.8×	178 0.9×	202	3.6k
Graham D. Cole United Kingdom	21	1.1k 0.7×	609 0.9×	415 0.8×	146 0.6×	85 0.4×	71	1.7k
Rajesh Sachdeva United States	24	889 0.6×	786 1.2×	285 0.6×	296 1.3×	196 1.0×	130	2.0k
Nikolaos Dagres Germany	36	4.3k 2.8×	792 1.2×	494 1.0×	253 1.1×	251 1.3×	239	5.0k
Matthew Shun‐Shin United Kingdom	28	1.7k 1.1×	1.1k 1.6×	623 1.2×	256 1.1×	389 2.0×	113	3.2k
Francisco Ojeda Germany	32	2.0k 1.3×	588 0.9×	617 1.2×	224 1.0×	230 1.2×	111	3.2k

Countries citing papers authored by James P. Howard

Since Specialization

Citations

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

Fields of papers citing papers by James P. Howard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by James P. Howard. 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 James P. Howard. The network helps show where James P. Howard may publish in the future.

Co-authorship network of co-authors of James P. Howard

This figure shows the co-authorship network connecting the top 25 collaborators of James P. Howard. A scholar is included among the top collaborators of James P. Howard 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 James P. Howard. James P. Howard 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

Reddy, Rohin K., James P. Howard, Yousif Ahmad, et al.. (2025). Catheter Ablation for Ventricular Tachycardia After Myocardial Infarction. JACC. Clinical electrophysiology. 11(5). 1047–1050.

Howard, James P., Qiang Zhang, Ahmed Salih, et al.. (2025). Artificial intelligence in cardiovascular imaging: risks, mitigations and the path to safe implementation. Heart. 112(5). 246–252. 3 indexed citations

Sreenivasan, Jayakumar, Rohin K. Reddy, Yasser Jamil, et al.. (2024). Intravascular Imaging–Guided Versus Angiography‐Guided Percutaneous Coronary Intervention: A Systematic Review and Meta‐Analysis of Randomized Trials. Journal of the American Heart Association. 13(2). e031111–e031111. 14 indexed citations

Reddy, Rohin K., James P. Howard, Yasser Jamil, et al.. (2024). Percutaneous Coronary Revascularization Strategies After Myocardial Infarction. Journal of the American College of Cardiology. 84(3). 276–294. 8 indexed citations

Koeckerling, David, Rohin K. Reddy, Joseph Barker, et al.. (2024). Cardiovascular Events After Chimeric Antigen Receptor T-Cell Therapy for Advanced Hematologic Malignant Neoplasms. JAMA Network Open. 7(10). e2437222–e2437222. 9 indexed citations

Cheung, Hoi Ching, Kavitha Vimalesvaran, Sameer Zaman, et al.. (2024). Automating quality control in cardiac magnetic resonance: Artificial intelligence for discriminative assessment of planning and motion artifacts and real-time reacquisition guidance. Journal of Cardiovascular Magnetic Resonance. 26(2). 101067–101067. 1 indexed citations

Reddy, Ramakota, James P. Howard, Yousif Ahmad, et al.. (2023). Catheter ablation for ventricular tachycardia after myocardial infarction: meta-analysis of randomised controlled trials. European Heart Journal. 44(Supplement_2).

Reddy, Rohin K., James P. Howard, Yousif Ahmad, et al.. (2023). Catheter Ablation for Ventricular Tachycardia After MI: A Reconstructed Individual Patient Data Meta-analysis of Randomised Controlled Trials. Arrhythmia & Electrophysiology Review. 12. e26–e26. 3 indexed citations

Reddy, Rohin K., Yousif Ahmad, Ahran Arnold, & James P. Howard. (2023). Cerebral Embolic Protection Devices During Transcatheter Aortic Valve Replacement: A Meta-analysis of Randomized Controlled Trials. Journal of the Society for Cardiovascular Angiography & Interventions. 2(5). 101031–101031. 5 indexed citations

10.

Hajhosseiny, Reza, Adam Hartley, Graham D. Cole, et al.. (2023). Simultaneous, free-breathing, non-contrast 3D whole-heart coronary magnetic resonance angiography and vulnerable plaque imaging in patients with suspected acute coronary syndrome. European Heart Journal. 44(Supplement_2).

11.

Simader, Florentina, James P. Howard, Yousif Ahmad, et al.. (2022). Catheter ablation improves cardiovascular outcomes in patients with atrial fibrillation and heart failure: a meta-analysis of randomized controlled trials. EP Europace. 25(2). 341–350. 33 indexed citations

12.

Ganesananthan, Sashiananthan, Christopher Rajkumar, Michael Foley, et al.. (2022). Cardiopulmonary exercise testing and efficacy of percutaneous coronary intervention: a substudy of the ORBITA trial. European Heart Journal. 43(33). 3132–3145. 13 indexed citations

13.

Madhavan, Mahesh V., James P. Howard, Michael I. Brener, et al.. (2022). Long-Term Outcomes of Randomized Controlled Trials Comparing Percutaneous Left Atrial Appendage Closure to Oral Anticoagulation for Nonvalvular Atrial Fibrillation: A Meta-Analysis. Structural Heart. 7(1). 100096–100096. 3 indexed citations

14.

Howard, James P., et al.. (2021). Multibeat echocardiographic phase detection using deep neural networks. Computers in Biology and Medicine. 133. 104373–104373. 21 indexed citations

15.

Howard, James P., Graham D. Cole, Kajaluxy Ananthan, et al.. (2021). Automated Left Ventricular Dimension Assessment Using Artificial Intelligence Developed and Validated by a UK-Wide Collaborative. Circulation Cardiovascular Imaging. 14(5). e011951–e011951. 24 indexed citations

16.

Linton, Nick, Clare Coyle, James P. Howard, et al.. (2021). RETRO-MAPPING: A New Approach to Activation Mapping in Persistent Atrial Fibrillation Reveals Evidence of Spatiotemporal Stability. Circulation Arrhythmia and Electrophysiology. 14(6). e009602–e009602. 7 indexed citations

17.

Kelshiker, Mihir A, Henry Seligman, James P. Howard, et al.. (2021). Coronary flow reserve and cardiovascular outcomes: a systematic review and meta-analysis. European Heart Journal. 43(16). 1582–1593. 154 indexed citations breakdown →

18.

Ye, Xujiong, et al.. (2020). An optimisation-based iterative approach for speckle tracking echocardiography. Medical & Biological Engineering & Computing. 58(6). 1309–1323. 5 indexed citations

19.

Nowbar, Alexandra N., James P. Howard, Judith A. Finegold, Perviz Asaria, & Dárrel P. Francis. (2014). 2014 Global geographic analysis of mortality from ischaemic heart disease by country, age and income: Statistics from World Health Organisation and United Nations. International Journal of Cardiology. 174(2). 293–298. 110 indexed citations

20.

Howard, James P. & Dárrel P. Francis. (2014). Overcoming the three biases obscuring the science of renal denervation in humans: Big-day bias, check-once-more bias and I-will-take-it-now bias. Trends in Cardiovascular Medicine. 25(2). 116–118. 8 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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