J. Ko

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Frequency by Decades of Unicuspid, Bicuspid, and Tricuspid Aortic Valves in Adults Having Isolated Aortic Valve Replacement for Aortic Stenosis, With or Without Associated Aortic Regurgitation

W. Roberts, J. Ko, 2005, Circulation.

Full blown cardiovascular syphilis with aneurysm of the innominate artery.

W. Roberts, J. Ko, F. Lensing, 2009, The American journal of cardiology.

Relation of weights of operatively excised stenotic aortic valves to preoperative transvalvular peak systolic pressure gradients and to calculated aortic valve areas.

W. Roberts, J. Ko, 2004, Journal of the American College of Cardiology.

Examination of isolated ventricular noncompaction (hypertrabeculation) as a distinct entity in adults.

W. Roberts, J. Ko, P. Grayburn, 2011, The American journal of cardiology.

Secondary arrhythmogenic right ventricular cardiomyopathy decades after operative repair of tetralogy of Fallot.

W. Roberts, J. Ko, S. Hall, 2014, The American journal of cardiology.

Aortic medial elastic fiber loss in acute ascending aortic dissection.

W. Roberts, G. Filardo, J. Ko, 2011, The American journal of cardiology.

Clinical and morphologic features of acute, subacute and chronic cor pulmonale (pulmonary heart disease).

W. Roberts, J. Ko, P. Grayburn, 2015, The American journal of cardiology.

Acute aortic dissection with tear in ascending aorta not diagnosed until necropsy or operation (for another condition) and comparison to similar cases receiving proper operative therapy.

W. Roberts, J. Ko, J. Guileyardo, 2012, The American journal of cardiology.

Morphological Features of Temporal Arteritis

W. Roberts, J. Ko, Saleha Zafar, 2013, Proceedings.

Causes of Pure Aortic Regurgitation in Patients Having Isolated Aortic Valve Replacement at a Single US Tertiary Hospital (1993 to 2005)

W. Roberts, J. Ko, T. R. Moore, 2006, Circulation.

Weights of operatively-excised stenotic unicuspid, bicuspid, and tricuspid aortic valves and their relation to age, sex, body mass index, and presence or absence of concomitant coronary artery bypass grafting.

W. Roberts, J. Ko, 2003, The American journal of cardiology.

Valve structure and survival in quinquagenarians having aortic valve replacement for aortic stenosis (+/-aortic regurgitation) with versus without coronary artery bypass grafting at a single US medical center (1993 to 2005).

W. Roberts, G. Filardo, J. Ko, 2007, The American journal of cardiology.

Necropsy findings early after transcatheter aortic valve implantation for aortic stenosis.

M. Mack, W. Roberts, J. Ko, 2013, The American journal of cardiology.

Morphologic features of atherosclerotic plaque in occlusive femoral artery disease treated by endarterectomy.

W. Roberts, J. Ko, G. Pearl, 2008, The American journal of geriatric cardiology.

Identifying cardiovascular syphilis at operation.

W. Roberts, J. Ko, B. Hamman, 2009, The American journal of cardiology.

Syphilis as a Cause of Thoracic Aortic Aneurysm.

W. Roberts, J. Ko, Clay M. Barbin, 2015, The American journal of cardiology.

Infective Endocarditis Superimposed on a Massively Calcified Severely Stenotic Congenitally Bicuspid Aortic Valve

W. Roberts, J. Ko, J. Schussler, 2014, Proceedings.

Morphologic Features of the Recipient Heart in Patients Having Cardiac Transplantation and Analysis of the Congruence or Incongruence Between the Clinical and Morphologic Diagnoses

W. Roberts, G. Filardo, J. Ko, 2014, Medicine.

Frequency of Massive Cardiac Adiposity (Floating Heart) at Necropsy and Comparison of Clinical and Morphologic Variables With Cases With Nonmassive Cardiac Adiposity at a Single Texas Hospital, 2013 to 2014.

W. Roberts, J. Ko, J. Guileyardo, 2016, The American journal of cardiology.

Comparison of Characteristics of Patients Undergoing Heart Transplantation at the Same Hospital in Two Different Time Periods (1997-2012 and 2013-2015).

W. Roberts, J. Ko, S. Hall, 2016, The American journal of cardiology.

Dramatically different phenotypic expressions of hypertrophic cardiomyopathy in male cousins undergoing cardiac transplantation with identical disease-causing gene mutation.

W. Roberts, J. Ko, P. Grayburn, 2013, The American journal of cardiology.

Cardiac transplantation in adults with aortic valve disease with focus on the bicuspid aortic valve.

W. Roberts, J. Ko, S. Hall, 2012, The American journal of cardiology.

Cardiac transplantation for cardiac sarcoidosis with initial diagnosis by examination of the left ventricular apical "core" excised for insertion of a left ventricular assist device for severe chronic heart failure.

W. Roberts, J. Ko, S. Hall, 2009, The American journal of cardiology.

Presence of a congenitally bicuspid aortic valve among patients having combined mitral and aortic valve replacement.

W. Roberts, J. Ko, R. Hebeler, 2012, The American journal of cardiology.

Anomalous cord from the raphe of a congenitally bicuspid aortic valve to the aortic wall producing either acute or chronic aortic regurgitation.

W. Roberts, J. Ko, G. Gonzalez-Stawinski, 2014, Journal of the American College of Cardiology.

"Repaired" tetralogy of fallot mimicking arrhythmogenic right ventricular cardiomyopathy (another phenocopy).

W. Roberts, J. Ko, F. Lensing, 2011, The American journal of cardiology.

Accuracy of two-dimensional echocardiography in determining aortic valve structure in patients >50 years of age having aortic valve replacement for aortic stenosis.

W. Roberts, G. Filardo, J. Ko, 2011, The American journal of cardiology.

Morphologic features of cardiac sarcoidosis in native hearts of patients having cardiac transplantation.

W. Roberts, J. Ko, S. Hall, 2014, The American journal of cardiology.

Diagnosing Cardiac Sarcoidosis Clinically Without Tissue Confirmation

W. Roberts, J. Ko, P. Grayburn, 2009, Proceedings.

Nontraumatic Intracerebral Hemorrhage Unassociated with Arterial Aneurysmal Rupture as a Cause of Sudden Unexpected Death

W. Roberts, J. Ko, J. Guileyardo, 2014, Proceedings.

Commonalities of cardiac rupture (left ventricular free wall or ventricular septum or papillary muscle) during acute myocardial infarction secondary to atherosclerotic coronary artery disease.

W. Roberts, G. Filardo, J. Ko, 2015, The American journal of cardiology.

A Review of Spontaneous Closure of Ventricular Septal Defect

W. Roberts, J. Ko, J. Guileyardo, 2015, Proceedings.

Morphologic Demonstration of Spontaneous and Surgical Closure of Membranous Ventricular Septal Defect

W. Roberts, J. Ko, Jun Zhang, 2015, Proceedings.

Clinical Pathology of Valvular Heart Disease

W. Roberts, J. Ko, 2009 .

Morphologic Aspects of Valvular Heart Disease

W. Roberts, J. Ko, 2009 .

Some Observations on Mitral and Aortic Valve Disease

W. Roberts, J. Ko, 2008, Proceedings.

COVID-19 in Adults With Congenital Heart Disease

M. Schwerzmann, P. Dehghani, B. Bouma, 2021, Journal of the American College of Cardiology.

Metabolomic Profiling of Adults with Congenital Heart Disease

J. Ko, T. Bottiglieri, S. Kutty, 2021, Metabolites.

Comparison of total 12-lead QRS voltage in a variety of cardiac conditions and its usefulness in predicting increased cardiac mass.

W. Roberts, G. Filardo, J. Ko, 2013, The American journal of cardiology.

Massive acute infarction of the right ventricular wall without or only minimal infarction of the left ventricular wall after aortic valve replacement with or without simultaneous replacement of the ascending aorta.

W. Roberts, J. Ko, J. Guileyardo, 2010, Cardiovascular pathology : the official journal of the Society for Cardiovascular Pathology.

Association between psychological resilience and subjective well-being in older adults living with chronic illness

J. Ko, L. Wilkinson, Bethany Smith, 2019, Proceedings.

Clinical and Psychological Drivers of Perceived Health Status in Adults With Congenital Heart Disease.

P. Ludbrook, J. Ko, K. White, 2018, American Journal of Cardiology.

Physical Activity-Related Drivers of Perceived Health Status in Adults With Congenital Heart Disease.

J. Ko, W. Budts, S. Menahem, 2018, The American journal of cardiology.

Valve structure and survival in octogenarians having aortic valve replacement for aortic stenosis (+/- aortic regurgitation) with versus without coronary artery bypass grafting at a single US medical center (1993 to 2005).

W. L. Garner, W. Roberts, G. Filardo, 2007, The American journal of cardiology.

Natural History of Adults With Congenitally Malformed Aortic Valves (Unicuspid or Bicuspid)

W. Roberts, J. Ko, T. Vowels, 2012, Medicine.

Gross and histological features of excised portions of posterior mitral leaflet in patients having operative repair of mitral valve prolapse and comments on the concept of missing (= ruptured) chordae tendineae.

W. Roberts, J. Ko, R. Hebeler, 2014, Journal of the American College of Cardiology.

Cardiac Denial and Expectations Associated With Depression in Adults With Congenital Heart Disease.

Geoffrey D. Huntley, P. Ludbrook, J. Ko, 2019, The American journal of cardiology.

Development of a Novel Adult Congenital Heart Disease–Specific Patient‐Reported Outcome Metric

J. Spertus, J. Ko, S. Kutty, 2020, Journal of the American Heart Association.

Frequency of congenitally bicuspid aortic valves in patients ≥80 years of age undergoing aortic valve replacement for aortic stenosis (with or without aortic regurgitation) and implications for transcatheter aortic valve implantation.

W. Roberts, G. Filardo, J. Ko, 2012, The American journal of cardiology.

Carcinoid heart disease without the carcinoid syndrome but with quadrivalvular regurgitation and unsuccessful operative intervention.

W. Roberts, J. Ko, P. Grayburn, 2011, The American journal of cardiology.

Differential impact of physical activity type on depression in adults with congenital heart disease: A multi-center international study.

J. Ko, W. Budts, S. Menahem, 2019, Journal of psychosomatic research.

Comparison of the Frequency and Level of Serum Total Cholesterol >300 Mg/Dl in Patients at the Same Texas Hospital in a Single Month in 1993 and in 2013

W. Roberts, J. Ko, R. Benavides, 2014, Proceedings.

Selected Published Abstracts of Baylor Researchers

W. Roberts, G. Filardo, J. Ko, 2011 .

Cardiac restriction secondary to massive calcific deposits in the left ventricular cavity.

W. Roberts, J. Ko, P. Grayburn, 2014, The American journal of cardiology.

Comparison of heavier versus lighter operatively excised stenotic aortic valves in adults with aortic stenosis and implications for percutaneous aortic valve implantation without replacement.

W. Roberts, G. Filardo, J. Ko, 2009, The American journal of cardiology.

Fatal cardiac arrest in the hospital during transfer from Gurney to operating table for planned coronary artery bypass grafting and mitral valve repair.

W. Roberts, J. Ko, J. Kuiper, 2007, The American journal of geriatric cardiology.

Combined mitral and aortic stenosis of rheumatic origin with double-valve replacement in an octogenarian.

W. Roberts, J. Ko, J. Schumacher, 2010, International Journal of Cardiology.

Fat in the Ventricular Septum

W. Roberts, J. Ko, T. Chamogeorgakis, 2014, Proceedings.

Natural history of unoperated aortic stenosis during a 50-year period of cardiac valve replacement.

W. Roberts, G. Filardo, J. Ko, 2013, The American journal of cardiology.

Valve structure and survival in sexagenarians having aortic valve replacement for aortic stenosis (+/-aortic regurgitation) with versus without coronary artery bypass grafting at a single US medical center (1993 to 2005).

W. Roberts, G. Filardo, J. Ko, 2007, The American journal of cardiology.

Valve structure and survival in septuagenarians having aortic valve replacement for aortic stenosis (+/-aortic regurgitation) with versus without coronary artery bypass grafting at a single US medical center (1993 to 2005).

W. Roberts, G. Filardo, J. Ko, 2007, The American journal of cardiology.

Mitral Valve Replacement After Failed Mitral Ring Insertion With or Without Leaflet/Chordal Repair for Pure Mitral Regurgitation.

W. Roberts, J. Ko, B. Hamman, 2016, The American journal of cardiology.

Some previously neglected examples of arrhythmogenic right ventricular dysplasia/cardiomyopathy and frequency of its various reported manifestations.

W. Roberts, J. Ko, S. Hall, 2010, The American journal of cardiology.

Effect of body mass index on survival in patients having aortic valve replacement for aortic stenosis with or without concomitant coronary artery bypass grafting.

W. Roberts, G. Filardo, J. Ko, 2011, The American journal of cardiology.

Clinical Outcomes of Adult Fontan-Associated Liver Disease and Combined Heart-Liver Transplantation.

J. Ko, R. Krasuski, M. Earing, 2023, Journal of the American College of Cardiology.

Effect of coronary bypass and valve structure on outcome in isolated valve replacement for aortic stenosis.

W. Roberts, G. Filardo, J. Ko, 2012, The American journal of cardiology.

Morbidity and Mortality in Adult Fontan Patients After Heart or Combined Heart-Liver Transplantation.

J. Ko, R. Krasuski, M. Earing, 2023, Journal of the American College of Cardiology.

Natural history of syphilitic aortitis.

W. Roberts, J. Ko, T. Vowels, 2009, The American journal of cardiology.

Aortic valve replacement for aortic stenosis in nonagenarians.

W. Roberts, J. Ko, G. Matter, 2006, The American journal of cardiology.

Computed Tomographic and Morphologic Features of Syphilis of the Aorta.

W. Roberts, J. Ko, Clay M. Barbin, 2015, The American journal of cardiology.

Electrocardiographic Total 12-Lead QRS Voltage in Patients Having Operative Resection of Syphilitic Aortic Aneurysm.

W. Roberts, J. Ko, Clay M. Barbin, 2015, The American journal of cardiology.

Aortic Valve Replacement for Stenosis with or Without Coronary Artery Bypass Grafting After 2 Previous Isolated Coronary Artery Bypass Grafting Operations

W. Roberts, J. Ko, C. L. Henry, 2011, Proceedings.

Comparison of the Structure of the Aortic Valve and Ascending Aorta in Adults Having Aortic Valve Replacement for Aortic Stenosis Versus for Pure Aortic Regurgitation and Resection of the Ascending Aorta for Aneurysm

J. Ko, R. Hebeler, B. Hamman, 2011, Circulation.

Weights of individual cusps in operatively-excised stenotic three-cuspid aortic valves.

W. Roberts, J. Ko, 2004, The American journal of cardiology.

Clinical and Morphologic Features of the Congenitally Unicuspid Acommissural Stenotic and Regurgitant Aortic Valve

W. Roberts, J. Ko, 2006, Cardiology.

W. Roberts, J. Ko, R. Hebeler, 2014, Journal of the American College of Cardiology.