Mark A. Oyama

6.5k total citations · 1 hit paper
140 papers, 4.0k citations indexed

About

Mark A. Oyama is a scholar working on Cardiology and Cardiovascular Medicine, Radiology, Nuclear Medicine and Imaging and Epidemiology. According to data from OpenAlex, Mark A. Oyama has authored 140 papers receiving a total of 4.0k indexed citations (citations by other indexed papers that have themselves been cited), including 94 papers in Cardiology and Cardiovascular Medicine, 87 papers in Radiology, Nuclear Medicine and Imaging and 31 papers in Epidemiology. Recurrent topics in Mark A. Oyama's work include Cardiovascular Conditions and Treatments (85 papers), Cardiac Arrhythmias and Treatments (32 papers) and Congenital Heart Disease Studies (25 papers). Mark A. Oyama is often cited by papers focused on Cardiovascular Conditions and Treatments (85 papers), Cardiac Arrhythmias and Treatments (32 papers) and Congenital Heart Disease Studies (25 papers). Mark A. Oyama collaborates with scholars based in United States, United Kingdom and Sweden. Mark A. Oyama's co-authors include D. David Sisson, John E. Rush, Philip R. Fox, Philip F. Solter, Robert A. Prosek, Rebecca L. Stepien, Bruce W. Keene, John D. Bonagura, Sridar V. Chittur and Caryn Reynolds and has published in prestigious journals such as Journal of the American College of Cardiology, Scientific Reports and American Journal Of Pathology.

In The Last Decade

Mark A. Oyama

134 papers receiving 3.8k 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.

ACVIM consensus guidelines for the diagnosis and treatment of myxomatous mitral valve disease in dogs

2019 459 citations Bruce W. Keene, Clarke E. Atkins et al. Journal of Veterinary Internal Medicine profile →

Peers

Countries citing papers authored by Mark A. Oyama

Since Specialization

Citations

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

Fields of papers citing papers by Mark A. Oyama

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Mark A. Oyama

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

#	Work	Indexed citations
1	Observed and expected reliability of echocardiographic volumetric methods and critical change values for quantification of mitral regurgitant fraction in dogs 2024 ·Journal of Veterinary Internal Medicine ·Kerry A. Loughran, Marc S. Kraus, (unknown), (unknown), (unknown), (unknown), Anna R. Gelzer, Mark A. Oyama	1
2	Metabolic Abnormalities and Reprogramming in Cats with Naturally Occurring Hypertrophic Cardiomyopathy 2024 ·ESC Heart Failure ·Qinghong Li, (unknown), (unknown), (unknown), (unknown), Åsa Ohlsson, Ingrid Ljungvall, Jens Häggström, (unknown), Pascal Steiner, (unknown), Calum A. MacRae, Mark A. Oyama	0
3	Utility of focused cardiac ultrasonography training in veterinary students to differentiate stages of subclinical myxomatous mitral valve disease in dogs 2024 ·Journal of Veterinary Internal Medicine ·(unknown), (unknown), (unknown), Kerry A. Loughran, (unknown), (unknown), (unknown), (unknown), Marc S. Kraus, Anna R. Gelzer, Mark A. Oyama	2
4	Effect of metastatic calcification on complication rate and survival in 74 renal transplant cats (1998–2020) 2023 ·Veterinary Surgery ·(unknown), Mark A. Oyama, (unknown), Lillian R. Aronson	0
5	Effect of a specially formulated diet on progression of heart enlargement in dogs with subclinical degenerative mitral valve disease 2023 ·Journal of Veterinary Internal Medicine ·Mark A. Oyama, Brian A. Scansen, Adrian Boswood, (unknown), Steven L. Rosenthal, (unknown), (unknown), Ryan Fries, Márcia de Oliveira Sampaio Gomes, (unknown), Qinghong Li	2
6	Optimal rate control in dogs with atrial fibrillation—ORCA study—Multicenter prospective observational study: Prognostic impact and predictors of rate control 2023 ·Journal of Veterinary Internal Medicine ·(unknown), (unknown), Mark A. Oyama, (unknown), (unknown), Joanna Dukes‐McEwan, (unknown), Anna R. Gelzer	12
7	Accuracy of history, physical examination, cardiac biomarkers, and biochemical variables in identifying dogs with stage B2 degenerative mitral valve disease 2021 ·Journal of Veterinary Internal Medicine ·(unknown), Steven L. Rosenthal, Gerhard Wess, David Dickson, (unknown), (unknown), Michael Deinert, (unknown), Ingo Schneider, Mark A. Oyama, Sonya G. Gordon, Jonathan Elliott, Dong Xia, Adrian Boswood	13
8	Focused cardiac ultrasound and point‐of‐care NT‐proBNP assay in the emergency room for differentiation of cardiac and noncardiac causes of respiratory distress in cats 2020 ·Journal of Veterinary Emergency and Critical Care ·(unknown), Melanie Hezzell, Mark A. Oyama, (unknown), Kenneth J. Drobatz, Erica L. Reineke	12
9	Investigation of focused cardiac ultrasound in the emergency room for differentiation of respiratory and cardiac causes of respiratory distress in dogs 2020 ·Journal of Veterinary Emergency and Critical Care ·Melanie Hezzell, (unknown), Mark A. Oyama, (unknown), Kenneth J. Drobatz, Erica L. Reineke	7
10	Effect of angiotensin receptor blockers and angiotensin converting enzyme 2 on plasma equilibrium angiotensin peptide concentrations in dogs with heart disease 2020 ·Journal of Veterinary Internal Medicine ·(unknown), Kerry A. Loughran, (unknown), Mark A. Oyama	9
11	ACVIM consensus guidelines for the diagnosis and treatment of myxomatous mitral valve disease in dogs breakdown → 2019 ·Journal of Veterinary Internal Medicine ·Bruce W. Keene, Clarke E. Atkins, John D. Bonagura, Philip R. Fox, Jens Häggström, Virginia Luis Fuentes, Mark A. Oyama, John E. Rush, Rebecca L. Stepien, Masami Uechi	459
12	Differentiation of Cardiac from Noncardiac Pleural Effusions in Cats using Second-Generation Quantitative and Point-of-Care NT-proBNP Measurements 2016 ·Journal of Veterinary Internal Medicine ·Melanie Hezzell, John E. Rush, Karen Humm, Elizabeth A. Rozanski, Julia Sargent, D.J. Connolly, Adrian Boswood, Mark A. Oyama	13
13	Serotonin Concentrations in Platelets, Plasma, Mitral Valve Leaflet, and Left Ventricular Myocardial Tissue in Dogs with Myxomatous Mitral Valve Disease 2014 ·Journal of Veterinary Internal Medicine ·(unknown), Gretchen E. Singletary, Lisbeth H. Olsen, (unknown), Jens Häggström, Ingrid Ljungvall, Katja Höglund, Caryn Reynolds, Nathalie Pizzinat, Mark A. Oyama	26
14	Canine Heart Failure - Early Diagnosis, Prompt Treatment 2011 ·Molecular Medicine Reports ·Mark A. Oyama	1
15	Fenfluramine Disrupts the Mitral Valve Interstitial Cell Response to Serotonin 2009 ·American Journal Of Pathology ·Jeanne M. Connolly, Marina Bakay, James Fulmer, Robert C. Gorman, Joseph H. Gorman, Mark A. Oyama, Robert J. Levy	36
16	Carvedilol in Dogs with Dilated Cardiomyopathy 2007 ·Journal of Veterinary Internal Medicine ·Mark A. Oyama, D. David Sisson, Robert A. Prosek, Barret J. Bulmer, (unknown), Virginia Luis Fuentes	11
17	Distinguishing Cardiac and Noncardiac Dyspnea in 48 Dogs Using Plasma Atrial Natriuretic Factor, B-type Natriuretic Factor, Endothelin, and Cardiac Troponin-i 2007 ·Journal of Veterinary Internal Medicine ·Robert A. Prosek, D. David Sisson, Mark A. Oyama, Philip F. Solter	82
18	Carvedilol in Dogs with Dilated Cardiomyopathy 2007 ·Journal of Veterinary Internal Medicine ·Mark A. Oyama, D. David Sisson, Robert A. Prosek, Barret J. Bulmer, (unknown), Virginia Luis Fuentes	8
19	Practices and Outcome of Artificial Cardiac Pacing in 154 Dogs 2001 ·Journal of Veterinary Internal Medicine ·Mark A. Oyama, D. David Sisson, Linda B. Lehmkuhl	86
20	A multicenter study on definite and probably dry eyes 1994 ·Taiichi Hikichi, Akitoshi Yoshida, Yasuhiro Fukui, Takashi Hamano, (unknown), (unknown), (unknown), Etsuko Takamura, K. Kitagawa, Mark A. Oyama, (unknown), (unknown), Hiroshi Fujishima, Ikuko Toda, Kinya Tsubota	1

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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