Timothy M. Morgan

14.9k citations

138 papers · 11.4k indexed · 2 hit papers · h-index 56

Cardiology and Cardiovascular Medicine top 0.2%
Endocrinology, Diabetes and Metabolism top 0.5%
Complementary and alternative medicine top 0.05%
Surgery top 2%
Physiology top 1%

Co-authors: Dalane W. Kitzman Peter H. Brubaker Mark J. Haykowsky Mary S. Anthony Kathryn P. Stewart Joel Eggebeen Gregory L. Burke David M. Herrington
Topics: Cardiovascular Function and Risk Factors (32 papers)Cardiac Imaging and Diagnostics (19 papers)Cardiovascular and exercise physiology (18 papers)
Cited by: Complementary and alternative medicine Cardiology and Cardiovascular Medicine Endocrinology, Diabetes and Metabolism
Journals: JAMA Circulation Journal of the American Statistical Association
Partner nations: United States Canada Australia

In The Last Decade

Timothy M. Morgan

138 papers receiving 10.9k 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.

Exercise and dietary weight loss in overweight and obese older adults with knee osteoarthritis: The arthritis, diet, and activity promotion trial

2004 787 citations Stephen P. Messier, Richard F. Loeser et al. Arthritis & Rheumatism profile →
Effect of Caloric Restriction or Aerobic Exercise Training on Peak Oxygen Consumption and Quality of Life in Obese Older Patients With Heart Failure With Preserved Ejection Fraction

2016 620 citations Dalane W. Kitzman, Peter H. Brubaker et al. profile →

Peers

Countries citing papers authored by Timothy M. Morgan

Since Specialization

Citations

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

Fields of papers citing papers by Timothy M. Morgan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Timothy M. Morgan

This figure shows the co-authorship network connecting the top 25 collaborators of Timothy M. Morgan. A scholar is included among the top collaborators of Timothy M. Morgan 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 Timothy M. Morgan. Timothy M. Morgan 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	Asymptomatic myocardial ischemia forecasts adverse events in cardiovascular magnetic resonance dobutamine stress testing of high-risk middle-aged and elderly individuals 2018 ·Journal of Cardiovascular Magnetic Resonance ·Richard Stacey,Trinity Vera,Timothy M. Morgan,Jennifer H. Jordan,(unknown),Michael E. Hall,Sujethra Vasu,Craig A. Hamilton,Dalane W. Kitzman,W. Gregory Hundley	16
2	Comparison of Frequency of Frailty and Severely Impaired Physical Function in Patients ≥60 Years Hospitalized With Acute Decompensated Heart Failure Versus Chronic Stable Heart Failure With Reduced and Preserved Left Ventricular Ejection Fraction 2016 ·The American Journal of Cardiology ·Gordon R. Reeves,David J. Whellan,Mahesh J. Patel,Christopher M. O’Connor,Pamela W. Duncan,Joel Eggebeen,Timothy M. Morgan,Leigh Ann Hewston,Amy M. Pastva,Dalane W. Kitzman	83
3	Impact of methods used to express levels of circulating fatty acids on the degree and direction of associations with blood lipids in humans 2015 ·British Journal Of Nutrition ·Susan Sergeant,Ingo Ruczinski,Priscilla Ivester,(unknown),Timothy M. Morgan,Barbara J. Nicklas,Rasika A. Mathias,Floyd H. Chilton	40
4	Burden of Comorbidities and Functional and Cognitive Impairments in Elderly Patients at the Initial Diagnosis of Heart Failure and Their Impact on Total Mortality 2015 ·JACC Heart Failure ·Khalil Murad,David C. Goff,Timothy M. Morgan,Gregory L. Burke,Traci M. Bartz,Jorge R. Kizer,Sarwat I. Chaudhry,John S. Gottdiener,Dalane W. Kitzman	147
5	Impact of Intensive Glycemic Control on the Incidence of Atrial Fibrillation and Associated Cardiovascular Outcomes in Patients With Type 2 Diabetes Mellitus (from the Action to Control Cardiovascular Risk in Diabetes Study) 2014 ·The American Journal of Cardiology ·Omid Fatemi,Eugene Yuriditsky,Costas Tsioufis,(unknown),Timothy M. Morgan,Jan Basile,Thomas Bigger,William C. Cushman,David C. Goff,Elsayed Z. Soliman,Abraham Thomas,Vasilios Papademetriou	106
6	Effect of Endurance Exercise Training on Endothelial Function and Arterial Stiffness in Older Patients With Heart Failure and Preserved Ejection Fraction 2013 ·Journal of the American College of Cardiology ·Dalane W. Kitzman,Peter H. Brubaker,David M. Herrington,Timothy M. Morgan,Kathryn P. Stewart,W. Gregory Hundley,(unknown),Mark J. Haykowsky	283
7	Effect of Endurance Training on the Determinants of Peak Exercise Oxygen Consumption in Elderly Patients With Stable Compensated Heart Failure and Preserved Ejection Fraction 2012 ·Journal of the American College of Cardiology ·Mark J. Haykowsky,Peter H. Brubaker,Kathryn P. Stewart,Timothy M. Morgan,Joel Eggebeen,Dalane W. Kitzman	253
8	Reliability of Peak Exercise Testing in Patients With Heart Failure With Preserved Ejection Fraction 2012 ·The American Journal of Cardiology ·Jessica M. Scott,Mark J. Haykowsky,Joel Eggebeen,Timothy M. Morgan,Peter H. Brubaker,Dalane W. Kitzman	31
9	Intraperitoneal Fat Is Associated With Thickening of the Thoracic Aorta in Individuals at High Risk for Cardiovascular Events 2011 ·Obesity ·Haroon Chughtai,Timothy M. Morgan,Craig A. Hamilton,(unknown),Jingzhong Ding,Tina E. Brinkley,W. Gregory Hundley	9
10	Determinants of Exercise Intolerance in Elderly Heart Failure Patients With Preserved Ejection Fraction 2011 ·Journal of the American College of Cardiology ·Mark J. Haykowsky,Peter H. Brubaker,Jerry M. John,Kathryn P. Stewart,Timothy M. Morgan,Dalane W. Kitzman	320
11	Impaired Left Ventricular Stroke Volume Reserve During Clinical Dobutamine Stress Predicts Future Episodes of Pulmonary Edema 2011 ·Journal of the American College of Cardiology ·(unknown),William C. Little,(unknown),Erica Dall’Armellina,Timothy M. Morgan,Craig A. Hamilton,W. Gregory Hundley	13
12	Dobutamine Cardiac Magnetic Resonance Results Predict Cardiac Prognosis in Women With Known or Suspected Ischemic Heart Disease 2009 ·JACC. Cardiovascular imaging ·Eric Wallace,Timothy M. Morgan,Thomas F. Walsh,Erica Dall’Armellina,William O. Ntim,Craig A. Hamilton,W. Gregory Hundley	35
13	Adverse effect of increased left ventricular wall thickness on five year outcomes of patients with negative dobutamine stress 2009 ·Journal of Cardiovascular Magnetic Resonance ·Thomas F. Walsh,Erica Dall’Armellina,Haroon Chughtai,Timothy M. Morgan,William O. Ntim,Kerry M. Link,Craig A. Hamilton,Dalane W. Kitzman,W. Gregory Hundley	11
14	Leg flow-mediated arterial dilation in elderly patients with heart failure and normal left ventricular ejection fraction 2006 ·American Journal of Physiology-Heart and Circulatory Physiology ·W. Gregory Hundley,Ersin Bayram,Craig A. Hamilton,(unknown),Timothy M. Morgan,Stephen Darty,Kathryn P. Stewart,Kerry M. Link,David M. Herrington,Dalane W. Kitzman	71
15	Intestinal Perforation in Very Low Birth Weight Infants: Growth and Neurodevelopment at 1 Year of Age 2005 ·Journal of Perinatology ·(unknown),T. Michael O’Shea,Charles Turner,(unknown),Timothy M. Morgan,Judy L. Aschner	38
16	Exercise and dietary weight loss in overweight and obese older adults with knee osteoarthritis: The arthritis, diet, and activity promotion trialbreakdown → 2004 ·Arthritis & Rheumatism ·Stephen P. Messier,Richard F. Loeser,Gary D. Miller,Timothy M. Morgan,W. Jack Rejeski,Mary Ann Sevick,Walter H. Ettinger,Marco Pahor,Jeff D. Williamson	787
17	Cardiac cycle-dependent changes in aortic area and distensibility are reduced in older patients with isolated diastolic heart failure and correlate with exercise intolerance 2001 ·Journal of the American College of Cardiology ·W. Gregory Hundley,Dalane W Kitzman,Timothy M. Morgan,Craig A. Hamilton,Stephen Darty,Kathryn P. Stewart,David M. Herrington,Kerry M. Link,William C. Little	309
18	Brachial Flow-Mediated Vasodilator Responses in Population-Based Research: Methods, Reproducibility and Effects of Age, Gender and Baseline Diameter 2001 ·European Journal of Cardiovascular Prevention & Rehabilitation ·David M. Herrington,Lei Fan,(unknown),Ward A. Riley,Benjamin E. Pusser,John R. Crouse,Gregory L. Burke,Mary Ann McBurnie,Timothy M. Morgan,Mark A. Espeland	159
19	Activity Counseling Trial (ACT): rationale, design, and methods 1998 ·Medicine & Science in Sports & Exercise ·Steven N. Blair,William B. Applegate,Andrea L. Dunn,(unknown),William L. Haskell,Abby C. King,Timothy M. Morgan,Joanna H. Shih,Denise G. Simons‐Morton	80
20	A randomized trial comparing aerobic exercise and resistance exercise with a health education program in older adults with knee osteoarthritis. The Fitness Arthritis and Seniors Trial (FAST). 1997 ·PubMed ·(unknown),Robert Burns,Stephen P. Messier,William B. Applegate,W. Jack Rejeski,Timothy M. Morgan,Sally A. Shumaker,Michael J. Berry,(unknown),Johnny U. V. Monu,Timothy E. Craven	411

About Timothy M. Morgan

Timothy M. Morgan is a scholar working on Cardiology and Cardiovascular Medicine, Complementary and alternative medicine and Geriatrics and Gerontology, having authored 138 papers that have together received 11.4k indexed citations. Recurring topics across this work include Cardiovascular Function and Risk Factors (32 papers), Cardiac Imaging and Diagnostics (19 papers) and Cardiovascular and exercise physiology (18 papers). The work is most often cited by research in Complementary and alternative medicine (1.7k citations), Cardiology and Cardiovascular Medicine (4.5k citations) and Endocrinology, Diabetes and Metabolism (1.9k citations). Timothy M. Morgan has collaborated with scholars based in United States, Canada and Australia. Frequent co-authors include Dalane W. Kitzman, Peter H. Brubaker, Mark J. Haykowsky, Mary S. Anthony, Kathryn P. Stewart, Joel Eggebeen, Gregory L. Burke, David M. Herrington, W. Jack Rejeski and Thomas B. Clarkson. Their work appears in journals such as JAMA, Circulation and Journal of the American Statistical Association.

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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