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A. Powell · SciRah

Researcher profile · Semantic Scholar

A. Powell

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A. Powell — researcher profile on SciRah

h-index: 11
Works: 70
Citations: 375

Most-cited papers

Body Composition and Exercise Performance in Youth With a Fontan Circulation: A Bio‐Impedance Based Study
A. Powell, S. Wittekind, T. Alsaied, A. Lubert +7 more
2020Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease41 citations Open access
Semantic Scholar
The Unique Clinical Phenotype and Exercise Adaptation of Fontan Patients With Normal Exercise Capacity.
A. Powell, Clifford Chin, T. Alsaied, H. Rossiter +4 more
2019Canadian Journal of Cardiology31 citations Open access
Semantic Scholar
Diastolic dysfunction is associated with exercise impairment in patients with sickle cell anemia
T. Alsaied, O. Niss, A. Powell, R. Fleck +5 more
2018Pediatric Blood & Cancer23 citations Open access
Semantic Scholar
Abdominal CT and MRI Findings of Portal Hypertension in Children and Adults with Fontan Circulation.
Faizeen Zafar, A. Lubert, A. Trout, David A. Katz +10 more
2022Radiology19 citations
Semantic Scholar
Skeletal Muscle Mass Is Linked to Cardiorespiratory Fitness in Youth
S. Wittekind, A. Powell, A. Opotowsky, W. Mays +3 more
2020Medicine & Science in Sports & Exercise18 citations
Semantic Scholar
Peripheral venous pressure changes during exercise are associated with adverse Fontan outcomes
Kathleen Colman, T. Alsaied, A. Lubert, H. Rossiter +8 more
2020Heart18 citations
Semantic Scholar
Left atrial dysfunction in sickle cell anemia is associated with diffuse myocardial fibrosis, increased right ventricular pressure and reduced exercise capacity
T. Alsaied, O. Niss, Justin T. Tretter, A. Powell +8 more
2020Scientific Reports18 citations Open access
Semantic Scholar
Cardiopulmonary fitness assessment on maximal and submaximal exercise testing in patients with Fabry disease
A. Powell, J. Jefferies, R. Hopkin, W. Mays +2 more
2018American Journal of Medical Genetics. Part A17 citations
Semantic Scholar
Cardiac magnetic resonance derived atrial function in patients with a Fontan circulation
P. Critser, V. Truong, A. Powell, Hassan Almeneisi +9 more
2020The International Journal of Cardiovascular Imaging15 citations
Semantic Scholar
Facility-Based and Virtual Cardiac Rehabilitation in Young Patients with Heart Disease During the COVID-19 Era
Elizabeth B Aronoff, Clifford Chin, A. Opotowsky, W. Mays +6 more
2023Pediatric Cardiology14 citations Open access
Semantic Scholar
Pulmonary effects on exercise testing in tetralogy of Fallot patients repaired with a transannular patch
A. Powell, W. Mays, Sandra K. Knecht, Clifford Chin
2018Cardiology in the Young12 citations
Semantic Scholar
Heart Rate Responses During Exercise by Dominant Ventricle in Pediatric and Young Adult Patients With a Fontan Circulation.
A. Powell, G. Veldtman
2019Canadian Journal of Cardiology11 citations
Semantic Scholar
Modified Ventricular Global Function Index Correlates With Exercise Capacity in Repaired Tetralogy of Fallot
Hieu T. Ta, P. Critser, T. Alsaied, Joshua T. Germann +3 more
2020Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease10 citations Open access
Semantic Scholar
Cardiopulmonary Aerobic Fitness Assessment During Maximal and Submaximal Exercise Testing in Pediatric Oncology Patients After Chemotherapy
A. Powell, R. Nagarajan, W. Mays, Clifford Chin +5 more
2018American Journal of Clinical Oncology10 citations
Semantic Scholar
Ventilatory limitations are not associated with dyspnea on exertion or reduced aerobic fitness in pectus excavatum
W. Hardie, A. Powell, Todd M. Jenkins, K. Foster +4 more
2021Pediatric Pulmonology9 citations Open access
Semantic Scholar
Left Atrial Strain in the Repaired Tetralogy of Fallot Population: Comparisons to Biventricular Function, Native T1 Values, Exercise Parameters and Healthy Controls
Hieu T. Ta, V. Truong, T. Alsaied, P. Critser +8 more
2021Pediatric Cardiology8 citations
Semantic Scholar
Arrhythmia Burden and Heart Rate Response During Exercise in Anderson-Fabry Disease.
A. Powell, S. Wittekind, W. Mays, Sean M. Lang +4 more
2022Texas Heart Institute Journal7 citations Open access
Semantic Scholar
Long‐term exercise and pulmonary function outcomes in a contemporary cohort of children with congenital diaphragmatic hernia
K. Miles, A. Powell, P. Critser, W. Hardie +6 more
2023Pediatric Pulmonology6 citations Open access
Semantic Scholar
Physical Frailty is Modifiable in Young Cardiac Rehabilitation Patients
Jack Hermsen, A. Opotowsky, A. Powell, W. Mays +4 more
2022Pediatric Cardiology6 citations
Semantic Scholar
Pediatric Cardiology Fellowship Standards for Training in Exercise Medicine and Curriculum Outline
J.-H. Huang, S. Wittekind, A. Opotowsky, K. Ward +16 more
2022Pediatric Cardiology6 citations Open access
Semantic Scholar
Implementation of a Pediatric Chest Pain Local Consensus Guideline Decreases the Total Tests Performed Without Negatively Affecting the Yield of Abnormal Cardiac Results
A. Powell, Colleen M. Pater, Clifford Chin, S. Wittekind +3 more
2020Pediatric Cardiology6 citations
Semantic Scholar
Treatment exposures stratify need for echocardiographic screening in asymptomatic long-term survivors of hematopoietic stem cell transplantation
S. Rotz, A. Powell, K. Myers, M. Taylor +6 more
2019Cardiology in the Young6 citations
Semantic Scholar
Abnormal Submaximal Cardiopulmonary Exercise Parameters Predicts Impaired Peak Exercise Performance In Sickle Cell Anemia Patients: 1463 Board #271 May 31 9 00 AM - 10 30 AM
A. Powell, Tarek Alsaeid, O. Niss, R. Fleck +6 more
20186 citations Open access
Semantic Scholar
Hepatic Steatosis in Patients With Single Ventricle and a Fontan Circulation
David A. Katz, D. Peck, A. Lubert, M. Possner +10 more
2021Journal of the American Heart Association : Cardiovascular and Cerebrovascular Disease5 citations Open access
Semantic Scholar
Widespread Vasculopathy in a Patient with Morquio A Syndrome.
A. Powell, M. Taylor, T. Burrow, R. Hopkin +2 more
2017Texas Heart Institute Journal5 citations Open access
Semantic Scholar
EKG Abnormalities in a Youth Athlete Following COVID-19: It’s Not Always Myocarditis!
A. Powell, E. Urbina, W. Orr, J. Hansen +1 more
2022Pediatric Cardiology4 citations Open access
Semantic Scholar
Pediatric youth who have obesity have high rates of adult criminal behavior and low rates of homeownership
A. Powell, Zachary A. Siegel, Christopher Kist, W. Mays +2 more
2022SAGE Open Medicine4 citations Open access
Semantic Scholar
Functional Capacity Is Affected by Younger Age of Repair in Tetralogy of Fallot Patients But Not by Era of Repair
A. Powell, W. Mays, Clifford Chin
2019World journal for pediatric & congenital heart surgery4 citations
Semantic Scholar
Inversion of the left atrial appendage in an asymptomatic newborn without prior cardiac surgery.
A. Powell, M. Taylor, C. Cottrill, J. Jefferies
2016European Heart Journal-Cardiovascular Imaging4 citations
Semantic Scholar
Exercise-induced ectopy and its relationship to fitness, cardiac function, and markers of severity in youth with pectus excavatum.
Kevin A. Piczer, W. Hardie, R. J. Fleck, Victor F. Garcia +3 more
2025Journal of Pediatric Surgery3 citations Open access
Semantic Scholar
Comparison of Exercise Protocols for Diagnosing Pediatric Unexplained Dyspnea on Exertion.
E. Brown, K. Foster, I. Gover, A. Powell +1 more
2024Pediatric Exercise Science3 citations
Semantic Scholar
Abnormal maximal and submaximal cardiopulmonary exercise capacity in pediatric stem cell transplant recipients despite normal standard echocardiographic parameters: a pilot study.
A. Powell, E. Urbina, Peace C. Madueme, Seth R. Rotz +9 more
2022Transplantation and Cellular Therapy3 citations Open access
Semantic Scholar
Dynamic exercise changes in venous pressure and liver stiffness in Fontan patients: effects of Treprostinil
M. Possner, Anisa Chaudhry, J. Dillman, E. Urbina +7 more
2021Cardiology in the Young3 citations
Semantic Scholar
Abnormal submaximal cardiopulmonary exercise parameters predict impaired peak exercise performance in sickle cell anemia patients
A. Powell, T. Alsaied, O. Niss, R. J. Fleck +5 more
2019Pediatric Blood & Cancer3 citations Open access
Semantic Scholar
Exercise in congenital heart disease: A contemporary review of the literature
A. Powell
20183 citations Open access
Semantic Scholar
The low incidence of clinically significant heart disease in school-age children following COVID-19.
A. Powell, Christopher J. Statile, N. Madsen, A. Divanovic +1 more
2022Archivos Argentinos de Pediatria2 citations Open access
Semantic Scholar
The Adaptation of Pediatric Exercise Testing Programs to the Coronavirus/COVID-19 Pandemic
A. Powell, W. Mays, T. Curran, Sandra K. Knecht +1 more
2020World journal for pediatric & congenital heart surgery2 citations Open access
Semantic Scholar
Cardiac morphology for the millennial cardiology fellow: Nomenclature and advances in morphologic imaging.
S. Baskar, S. Gray, Erica Del Grippo, Onyekachukwu Osakwe +2 more
2018Congenital Heart Disease2 citations
Semantic Scholar
Mechanisms of exercise-related neurocardiogenic syncope and the relationship between resting and dynamic cardiac testing.
Bradley Conant, Kristian C. Becker, Garick D. Hill, Camden L. Hebson +7 more
2025Cardiology in the Young1 citations Open access
Semantic Scholar
(F)utility of preoperative pulmonary function testing in pectus excavatum to assess severity
G. C. Gonzalez, A. Casar-Berazaluce, Todd Jenkins, W. Hardie +5 more
2024Pediatric surgery international (Print)1 citations Open access
Semantic Scholar
Cardiac Tamponade Related to a Large Pericardial Mass in a Female with Juvenile Idiopathic Arthritis
Scott H. Wirth, Colleen M. Pater, Dennis Wells, Justin T. Tretter +3 more
2023World journal for pediatric & congenital heart surgery1 citations
Semantic Scholar
Stable fitness during COVID-19: Results of serial testing in a cohort of youth with heart disease
A. Powell, W. Mays, S. Wittekind, Clifford Chin +3 more
2023Frontiers in Pediatrics1 citations Open access
Semantic Scholar
Comparison of creatinine and cystatin C estimation of glomerular filtration rate in the Fontan circulation
David A. Katz, A. Lubert, Zhi-Qian Gao, A. Powell +5 more
2021International Journal of Cardiology Congenital Heart Disease1 citations Open access
Semantic Scholar
Author Correction: Left atrial dysfunction in sickle cell anemia is associated with diffuse myocardial fibrosis, increased right ventricular pressure and reduced exercise capacity
T. Alsaied, O. Niss, Justin T. Tretter, A. Powell +8 more
2020Scientific Reports1 citations Open access
Semantic Scholar
Abstract 16135: Higher Body Mass Index in Early Childhood is Associated With Adult Obesity in Patients With a Fontan Circulation
Anjali P Chadayammuri, T. Alsaied, A. Powell, S. Wittekind +3 more
20201 citations
Semantic Scholar
Obese Pediatric Youth Have A High Rate Of Adult Criminal Behavior And Low Rates Of Home Ownership That Is Not Linked To Pediatric Fitness
A. Powell, Zachary A. Siegel, Chrisopher Kist, W. Mays +1 more
20201 citations Open access
Semantic Scholar
Left ventricular dysfunction in a patient with Angelman syndrome.
A. Powell, M. Taylor, R. Hopkin, J. Sublett +1 more
2017Clinical Dysmorphology1 citations
Semantic Scholar
Left Ventricular Noncompaction With Muscular Ventricular Septal Defect in Mother and Son
A. Powell, M. Taylor, J. Jefferies
2017World journal for pediatric & congenital heart surgery1 citations
Semantic Scholar
A 14-Year-Old Boy with Unusual Presentation of Respiratory Distress
A. Powell, Samuel P. Hanke, J. Tweddell, N. Madsen
2016Case Reports in Pediatrics1 citations Open access
Semantic Scholar
Practices And Procedures In Clinical Pediatric Exercise Laboratories In North America: A Five-year Follow-up Study
Kelli M. Teson, Jessica S. Watson, A. Powell, J. Hansen +5 more
2026Medicine & Science in Sports & Exercise0 citations
Semantic Scholar

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W. Mays×21
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W. Mays — researcher profile on SciRah
Clifford Chin×19
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Clifford Chin — researcher profile on SciRah
T. Alsaied×14
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T. Alsaied — researcher profile on SciRah
A. Opotowsky×11
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M. Taylor — researcher profile on SciRah

S. Wittekind×10

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A. Lubert — researcher profile on SciRah

Sandra K. Knecht×8

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Sandra K. Knecht — researcher profile on SciRah

Justin T. Tretter×8

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Justin T. Tretter — researcher profile on SciRah

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G. Veldtman — researcher profile on SciRah

J. Jefferies×6

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O. Niss — researcher profile on SciRah