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J. Smallhorn · SciRah

Researcher profile · Semantic Scholar

J. Smallhorn

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J. Smallhorn — researcher profile on SciRah

h-index: 64
Works: 230
Citations: 12K

Most-cited papers

Randomized controlled trial of the effects of remote ischemic preconditioning on children undergoing cardiac surgery: first clinical application in humans.
M. Cheung, R. Kharbanda, I. Konstantinov, M. Shimizu +7 more
2006Journal of the American College of Cardiology571 citations Open access
Semantic Scholar
Transplacental Fetal Treatment Improves the Outcome of Prenatally Diagnosed Complete Atrioventricular Block Without Structural Heart Disease
E. Jaeggi, J. Fouron, E. Silverman, G. Ryan +2 more
2004Circulation337 citations
Semantic Scholar
Conventional and sutureless techniques for management of the pulmonary veins: Evolution of indications from postrepair pulmonary vein stenosis to primary pulmonary vein anomalies.
Tae-Jin Yun, J. Coles, I. Konstantinov, Osman O. Al-Radi +7 more
2005Journal of Thoracic and Cardiovascular Surgery163 citations Open access
Semantic Scholar
Prenatal cardiovascular manifestations in the twin-to-twin transfusion syndrome recipients and the impact of therapeutic amnioreduction.
C. Barrea, F. Alkazaleh, G. Ryan, B. McCrindle +6 more
2005American Journal of Obstetrics and Gynecology140 citations
Semantic Scholar
Novel insights into RV adaptation and function in hypoplastic left heart syndrome between the first 2 stages of surgical palliation.
N. Khoo, J. Smallhorn, S. Kaneko, K. Myers +2 more
2011JACC Cardiovascular Imaging132 citations Open access
Semantic Scholar
Intrauterine pulmonary venous flow and restrictive foramen ovale in fetal hypoplastic left heart syndrome.
M. Taketazu, C. Barrea, J. Smallhorn, G. Wilson +1 more
2004Journal of the American College of Cardiology125 citations Open access
Semantic Scholar
Prenatal diagnosis of complete atrioventricular block associated with structural heart disease: combined experience of two tertiary care centers and review of the literature
E. Jaeggi, L. Hornberger, J. Smallhorn, J. Fouron
2005Ultrasound in Obstetrics and Gynecology119 citations Open access
Semantic Scholar
Extracardiac lesions and chromosomal abnormalities associated with major fetal heart defects: comparison of intrauterine, postnatal and postmortem diagnoses
M. Song, A. Hu, U. Dyhamenahali, D. Chitayat +6 more
2009Ultrasound in Obstetrics and Gynecology110 citations Open access
Semantic Scholar
Clinical Features, Management, and Outcome of Children With Fetal and Postnatal Diagnoses of Isomerism Syndromes
Joyce Lim, B. McCrindle, J. Smallhorn, F. Golding +3 more
2005Circulation108 citations Open access
Semantic Scholar
Determinants of outcome in fetal pulmonary valve stenosis or atresia with intact ventricular septum.
Kevin S. Roman, J. Fouron, M. Nii, J. Smallhorn +2 more
2007American Journal of Cardiology90 citations
Semantic Scholar
Impact of selective laser ablation of placental anastomoses on the cardiovascular pathology of the recipient twin in severe twin-twin transfusion syndrome.
C. Barrea, L. Hornberger, F. Alkazaleh, B. McCrindle +6 more
2006American Journal of Obstetrics and Gynecology84 citations
Semantic Scholar
Real-Time 3-Dimensional Echocardiography Provides New Insight Into Mechanisms of Tricuspid Valve Regurgitation in Patients With Hypoplastic Left Heart Syndrome
Ken Takahashi, A. Inage, I. Rebeyka, D. Ross +3 more
2009Circulation82 citations Open access
Semantic Scholar
Outcome and growth potential of left heart structures after neonatal intervention for aortic valve stenosis.
Ra K. Han, Rebecca C. Gurofsky, K. Lee, A. Dipchand +3 more
2007Journal of the American College of Cardiology81 citations Open access
Semantic Scholar
Pulmonary atresia with intact ventricular septum: management of, and outcomes for, a cohort of 210 consecutive patients
U. Dyamenahalli, B. McCrindle, C. McDonald, Kalyani R Trivedi +5 more
2004Cardiology in the Young79 citations
Semantic Scholar
Normal rotational, torsion and untwisting data in children, adolescents and young adults.
Ken Takahashi, Ghassan Al Naami, Richard B. Thompson, A. Inage +2 more
2010Journal of the American Society of Echocardiography77 citations
Semantic Scholar
Extent of myocardial noncompaction: comparison between MRI and echocardiographic evaluation
Fahad Alhabshan, J. Smallhorn, F. Golding, N. Musewe +2 more
2005Pediatric Radiology75 citations
Semantic Scholar
Short and midterm results of aortic valve cusp extension in the treatment of children with congenital aortic valve disease.
B. Alsoufi, T. Karamlou, T. Bradley, W. Williams +6 more
2006Annals of Thoracic Surgery62 citations
Semantic Scholar
Defining left ventricular apex-to-base twist mechanics computed from high-resolution 3D echocardiography: validation against sonomicrometry.
M. Ashraf, Andriy Myronenko, Thuan Nguyen, A. Inage +8 more
2010JACC Cardiovascular Imaging60 citations Open access
Semantic Scholar
Single right ventricles have impaired systolic and diastolic function compared to those of left ventricular morphology.
S. Kaneko, N. Khoo, J. Smallhorn, E. Tham
2012Journal of the American Society of Echocardiography58 citations
Semantic Scholar
Two-dimensional versus transthoracic real-time three-dimensional echocardiography in the evaluation of the mechanisms and sites of atrioventricular valve regurgitation in a congenital heart disease population.
Ken Takahashi, A. Mackie, I. Rebeyka, D. Ross +4 more
2010Journal of the American Society of Echocardiography58 citations
Semantic Scholar
Tricuspid Regurgitation in Hypoplastic Left Heart Syndrome: Mechanistic Insights From 3-Dimensional Echocardiography and Relationship With Outcomes
S. Kutty, T. Colen, Richard B. Thompson, E. Tham +7 more
2014Circulation Cardiovascular Imaging56 citations
Semantic Scholar
The assessment of atrial function in single ventricle hearts from birth to Fontan: a speckle-tracking study by using strain and strain rate.
N. Khoo, J. Smallhorn, S. Kaneko, S. Kutty +2 more
2013Journal of the American Society of Echocardiography56 citations
Semantic Scholar
Three-dimensional echocardiography improves the understanding of left atrioventricular valve morphology and function in atrioventricular septal defects undergoing patch augmentation.
C. Barrea, S. Levasseur, Kevin S. Roman, M. Nii +3 more
2005Journal of Thoracic and Cardiovascular Surgery55 citations Open access
Semantic Scholar
Serial assessment of right ventricular volume and function in surgically palliated hypoplastic left heart syndrome using real-time transthoracic three-dimensional echocardiography.
S. Kutty, B. Graney, N. Khoo, Ling Li +5 more
2012Journal of the American Society of Echocardiography53 citations
Semantic Scholar
Three-dimensional tricuspid annular function provides insight into the mechanisms of tricuspid valve regurgitation in classic hypoplastic left heart syndrome.
M. Nii, V. Guerra, Kevin S. Roman, C. Macgowan +1 more
2006Journal of the American Society of Echocardiography53 citations
Semantic Scholar
Contemporary management of right atrial isomerism: effect of evolving therapeutic strategies.
Tae-Jin Yun, Osman O. Al-Radi, I. Adatia, C. Caldarone +4 more
2006Journal of Thoracic and Cardiovascular Surgery50 citations Open access
Semantic Scholar
Effectiveness of prenatal screening for congenital heart disease: assessment in a jurisdiction with universal access to health care.
J. Trines, D. Fruitman, Kevin J. Zuo, J. Smallhorn +2 more
2013Canadian Journal of Cardiology48 citations
Semantic Scholar
Non-invasive assessment of ventricular force–frequency relations in the univentricular circulation by tissue Doppler echocardiography: a novel method of assessing myocardial performance in congenital heart disease
M. Cheung, J. Smallhorn, B. McCrindle, G. Van Arsdell +1 more
2005Heart48 citations Open access
Semantic Scholar
Three-dimensional echocardiography in the assessment of congenital mitral valve disease.
S. Kutty, T. Colen, J. Smallhorn
2014Journal of the American Society of Echocardiography47 citations
Semantic Scholar
Disruption of the ventricular myocardial force-frequency relationship after cardiac surgery in children: noninvasive assessment by means of tissue Doppler imaging.
M. Cheung, J. Smallhorn, M. Vogel, G. Van Arsdell +1 more
2006Journal of Thoracic and Cardiovascular Surgery47 citations Open access
Semantic Scholar
Isovolumic acceleration at rest and during exercise in children normal values for the left ventricle and first noninvasive demonstration of exercise-induced force-frequency relationships.
S. Roche, M. Vogel, O. Pitkänen, Brian Grant +7 more
2011Journal of the American College of Cardiology46 citations Open access
Semantic Scholar
Quantitative real-time three-dimensional echocardiography provides new insight into the mechanisms of mitral valve regurgitation post-repair of atrioventricular septal defect.
Ken Takahashi, A. Mackie, Richard B. Thompson, G. Al-Naami +6 more
2012Journal of the American Society of Echocardiography41 citations
Semantic Scholar
Coronary artery dilation after Kawasaki disease for children within the normal range.
M. Crystal, C. Manlhiot, Rae S. M. Yeung, J. Smallhorn +1 more
2009International Journal of Cardiology39 citations
Semantic Scholar
Evaluation of atrioventricular septal defects by three-dimensional echocardiography: benefits of navigating the third dimension.
S. Kutty, J. Smallhorn
2012Journal of the American Society of Echocardiography38 citations
Semantic Scholar
Insight into normal mitral and tricuspid annular dynamics in pediatrics: a real-time three-dimensional echocardiographic study.
M. Nii, Kevin S. Roman, C. Macgowan, J. Smallhorn
2005Journal of the American Society of Echocardiography35 citations
Semantic Scholar
Tricuspid Valve Adaptation during the First Interstage Period in Hypoplastic Left Heart Syndrome
T. Colen, S. Kutty, Richard B. Thompson, E. Tham +6 more
2017Journal of the American Society of Echocardiography23 citations
Semantic Scholar
Myocardial function in patients with Shwachman–Diamond syndrome: Aspects to consider before stem cell transplantation
S. Toiviainen-Salo, O. Pitkänen, M. Holmström, J. Koikkalainen +7 more
2008Pediatric Blood & Cancer22 citations
Semantic Scholar
Incremental Diagnostic Yield of Pediatric Cardiac Assessment After Fetal Echocardiography in the Offspring of Women With Congenital Heart Disease: A Prospective Study
M. Thangaroopan, R. Wald, C. Silversides, J. Mason +4 more
2008Pediatrics18 citations
Semantic Scholar
Real-Time Subcostal 3-Dimensional Echocardiography for Guided Percutaneous Atrial Septal Defect Closure
Kevin S. Roman, M. Nii, F. Golding, L. Benson +1 more
200418 citations
Semantic Scholar
Impaired Left Ventricular Reserve in Childhood Cancer Survivors Treated With Anthracycline Therapy
S. Kaneko, E. Tham, M. Haykowsky, M. Spavor +5 more
2016Pediatric Blood & Cancer17 citations
Semantic Scholar
Increased common atrioventricular valve tenting is a risk factor for progression to severe regurgitation in patients with a single ventricle with unbalanced atrioventricular septal defect.
C. Vijarnsorn, N. Khoo, E. Tham, T. Colen +2 more
2014Journal of Thoracic and Cardiovascular Surgery15 citations Open access
Semantic Scholar
Comparison of Two Surgical Techniques for Complete Atrioventricular Septal Defect Repair Using Two- and Three-Dimensional Echocardiography
K. A. Al Senaidi, D. Ross, I. Rebeyka, Joyce R. Harder +4 more
2014Pediatric Cardiology15 citations
Semantic Scholar
Borderline left ventricles in prenatally diagnosed atrioventricular septal defect or double outlet right ventricle: echocardiographic predictors of biventricular repair.
O. Pitkänen, L. Hornberger, S. Miner, T. Mondal +3 more
2006American Heart Journal15 citations
Semantic Scholar
Impaired Single Right Ventricular Function Compared to Single Left Ventricles during the Early Stages of Palliation: A Longitudinal Study
S. Suntratonpipat, N. Khoo, T. Colen, Mohammed S. Alhabdan +5 more
2017Journal of the American Society of Echocardiography14 citations
Semantic Scholar
Aortopulmonary window with anomalous origin of the right coronary artery from the pulmonary artery: two cases highlighting the importance of complete pre-operative echocardiographic evaluation of the coronary arteries in all conotruncal anomalies.
S. Greenway, T. Bradley, C. Caldarone, N. Silverman +2 more
2006European journal of echocardiography : the journal of the Working Group on Echocardiography of the European Society of Cardiology14 citations
Semantic Scholar
Three-dimensional echocardiography for the assessment of atrioventricular valves in congenital heart disease: past, present and future.
T. Colen, J. Smallhorn
2015Seminars in Thoracic and Cardiovascular Surgery Pediatric Cardiac Surgery Annual12 citations
Semantic Scholar
Tricuspid regurgitation in Hypoplastic Left Heart Syndrome: Three-dimensional echocardiography provides additional information in describing jet location.
Kandice Mah, N. Khoo, E. Tham, M. Yaskina +7 more
2020Journal of the American Society of Echocardiography11 citations
Semantic Scholar
Partial zone of apposition closure in atrioventricular septal defect: are papillary muscles the clue.
T. Colen, N. Khoo, D. Ross, J. Smallhorn
2013Annals of Thoracic Surgery11 citations Open access
Semantic Scholar
Aortic regurgitation during systole: Color flow mapping and Doppler interrogation following the Damus-Kaye-Stansel procedure
R. M. Giuffre, N. Musewe, J. Smallhorn, R. Freedom
2005Pediatric Cardiology10 citations
Semantic Scholar
Aneurysm of right atrium diagnosed by 3-dimensional real-time echocardiogram.
V. Guerra, J. Coles, J. Smallhorn
2005Journal of the American Society of Echocardiography10 citations
Semantic Scholar

Frequent co-authors

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N. Khoo×12
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N. Khoo — researcher profile on SciRah
E. Tham×9
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E. Tham — researcher profile on SciRah
T. Colen×9
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T. Colen — researcher profile on SciRah
L. Hornberger×8
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L. Hornberger — researcher profile on SciRah

×8

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S. Kutty — researcher profile on SciRah

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A. Mackie — researcher profile on SciRah

B. McCrindle×7

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B. McCrindle — researcher profile on SciRah

G. Van Arsdell×6

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G. Van Arsdell — researcher profile on SciRah

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J. Coles — researcher profile on SciRah

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W. Williams — researcher profile on SciRah

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M. Nii — researcher profile on SciRah

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I. Rebeyka — researcher profile on SciRah