Search Results - "Colen, Timothy"

Insights into the Evolution of Myocardial Dysfunction in the Functionally Single Right Ventricle between Staged Palliations Using Speckle-Tracking Echocardiography by Tham, Edythe B., MBBS, Smallhorn, Jeffery F., MBBS, Kaneko, Sachie, MD, Valiani, Sabira, MD, Myers, Kimberley A., MD, Colen, Timothy M., MBBS, Kutty, Shelby, MD, Khoo, Nee S., MBChB

“…Background The long-term prognosis of hypoplastic left heart syndrome is limited by progressive right ventricular dysfunction. The aim of this study was to…”
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Dynamic Systolic Changes in Tricuspid Regurgitation Vena Contracta Size and Proximal Isovelocity Surface Area in Hypoplastic Left Heart Syndrome: A Three-Dimensional Color Doppler Echocardiographic Study by Li, Ling, Colen, Timothy M., Jani, Vivek, Barnes, Benjamin T., Craft, Mary, Tham, Edythe, Khoo, Nee Scze, Smallhorn, Jeffrey, Danford, David A., Kutty, Shelby

“…The aims of this study were to investigate the dynamic changes in the vena contracta (VC) and proximal isovelocity surface area (PISA) through systole in…”
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Three-Dimensional Echocardiography in the Assessment of Congenital Mitral Valve Disease by Kutty, Shelby, MD, FAAP, FACC, FAHA, FASE, Colen, Timothy M., MBBS, Smallhorn, Jeffrey F., MBBS, FRACP, FRCP(C)

“…Congenital mitral valve abnormalities are rare and cause mitral stenosis, regurgitation, or a combination of the two. Three-dimensional echocardiography has…”
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Quantitative Assessment of Left Ventricular Dysfunction in Fetal Ebstein's Anomaly and Tricuspid Valve Dysplasia by Eckersley, Luke G., Howley, Lisa W., van der Velde, Mary E., Khoo, Nee S., Mah, Kandice, Brooks, Paul, Colen, Timothy, Hornberger, Lisa K.

“…Fetal Ebstein's anomaly and tricuspid valve dysplasia (EA/TVD) are associated with high perinatal mortality relative to pulmonary atresia with intact…”
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Impaired Single Right Ventricular Function Compared to Single Left Ventricles during the Early Stages of Palliation: A Longitudinal Study by Suntratonpipat, Somjate, MD, Khoo, Nee S., MBChB, Colen, Timothy, MBBS, Alhabdan, Mohammed, MD, Troung, Dongngan, MD, Zahari, Norazah, MBBS, Kutty, Shelby, MD, Smallhorn, Jeffrey F., MBBS, Tham, Edythe B., MBBS

“…Background Single right ventricles (SRV) are postulated to be disadvantaged compared with single left ventricles (SLV). We compared the evolution of SRV versus…”
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Prenatal Diagnosis of the Criss-Cross Heart by Ravi, Prasad, MD, Fruitman, Deborah, MD, Mills, Lindsay, MD, Colen, Timothy, MBBS, Hornberger, Lisa K., MD

“…We sought to describe the prenatal features and postnatal outcomes of the “criss-cross heart” (CCH) with crossing atrioventricular connections as encountered…”
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Partial Zone of Apposition Closure in Atrioventricular Septal Defect: Are Papillary Muscles the Clue by Colen, Timothy M., MBBS, Khoo, Nee S., MBChB, Ross, David B., MD, Smallhorn, Jeffrey F., MBBS

“…Background Long-term survival after atrioventricular septal defect repair is excellent; however, postoperative left atrioventricular valve regurgitation…”
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Integrating cardiac MRI into pre-operative planning for patients with pectus excavatum and right ventricular dysfunction by Lai, Krista, Colen, Timothy M, Dicken, Bryan J

“…Abstract A 16-year old male presented with severe pectus excavatum (PE) with a Haller index of 3.4. The patient was a physically fit individual, with no…”
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Right Atrial Dysfunction in the Fetus with Severely Regurgitant Tricuspid Valve Disease: A Potential Source of Cardiovascular Compromise by Howley, Lisa W., MD, Khoo, Nee Scze, MBChB, Moon-Grady, Anita J., MD, Patel, Sonali S., MD, PhD, Alrais, Fayeza, MBBS, FRCSC, Tworetzky, Wayne, MD, Colen, Timothy, MBBS, Brooks, Paul, MBBS, Trines, Jean, RDCS, Ojala, Tiina, MD, PhD, Hornberger, Lisa K., MD

“…Background In severe right heart obstruction (RHO), redistribution of cardiac output to the left ventricle (LV) is well tolerated by the fetal circulation…”
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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 by Vijarnsorn, Chodchanok, MD, Khoo, Nee Scze, MD, Tham, Edythe B., MD, Colen, Timothy, MD, Rebeyka, Ivan M., MD, Smallhorn, Jeffrey F., MD

“…Objective Significant atrioventricular valve regurgitation (AVVR) increases mortality in patients with unbalanced atrioventricular septal defects (uAVSDs) and…”
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Quantitative Real-Time Three-Dimensional Echocardiography Provides New Insight into the Mechanisms of Mitral Valve Regurgitation Post-Repair of Atrioventricular Septal Defect by Takahashi, Ken, MD, Mackie, Andrew S., MD, SM, Thompson, Richard, PhD, Al-Naami, Ghassan, MD, Inage, Akio, MD, Rebeyka, Ivan M., MD, Ross, David B., MD, Khoo, Nee S., MBChB, Colen, Timothy, MBBS, Smallhorn, Jeffrey F., MBBS

“…Background Mechanisms of mitral valve regurgitation after atrioventricular septal defect repair are unclear. Methods To gain further insight into mitral valve…”
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Isolated Innominate Artery as a Cause of Subclavian Steal and Cerebral Hemisphere Atrophy by Reeves, Benjamin Mark, Colen, Timothy Mark, Sheridan, Bennett James, Ward, Cameron

“…A rare case of isolated innominate artery arising from a left persistent arterial duct with a right aortic arch is presented. Of interest in this case is the…”
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Abstract 14246: Right Atrial Dilation and Conduit Dysfunction is Associated With Significant Pulmonary Insufficiency in Tetralogy of Fallot: Assessment of a New Normative Dataset by Haughian, Brendan T, Colen, Timothy M, Khoo, Nee Scze, Youssef, David E, Eckersley, Luke

“…BackgroundRight atrial (RA) size and dysfunction predicts adverse clinical outcomes in adult Tetralogy of Fallot (TOF); however limited normative or TOF data…”
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Size and Function of the Right Atrium in Healthy Children by Three‐Dimensional Echocardiography by Haughian, Brendan, Jone, Pei‐Ni, Le, Lisa, Khoo, Nee Scze, Colen, Timothy, Vetten, Zoe, Eckersley, Luke

“…ABSTRACT Purpose Right atrial volume (RAV) and function have proven prognostic value in the assessment of cardiac disease and may be more accurately assessed…”
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Echocardiographic Predictors of Ductal Tissue-Related Branch Pulmonary Artery Stenosis in Pulmonary Atresia by McClean, Marisha, Ngwezi, Deliwe, Colen, Timothy, Mah, Kandice, Al-Aklabi, Mohammed, Hornberger, Lisa

“…Branch pulmonary artery (PA) stenosis due to ductus arteriosus (DA) tissue (DA-PS) contributes to the morbidity associated with pulmonary atresia (PAtr). We…”
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Abstract 17195: Accuracy of Fetal Echocardiography in the Current Era by Haberer, Kim L, McBrien, Angela, Young, Aisling, Savard, Winnie, Eckersley, Luke, Colen, Timothy, Hornberger, Lisa K

“…BackgroundEnhanced ultrasound technology and improvements in prenatal detection have provided opportunities to fine-tune fetal cardiac diagnoses. We sought to…”
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Insights from 3D Echocardiography in Hypoplastic Left Heart Syndrome Patients Undergoing TV Repair by Mah, Kandice, Khoo, Nee Scze, Martin, Billie-Jean, Maruyama, Michiko, Alvarez, Silvia, Rebeyka, Ivan M., Smallhorn, Jeffrey, Colen, Timothy

“…Background Tricuspid regurgitation (TR) in hypoplastic left heart syndrome (HLHS) is associated with morbidity and mortality. TR mechanisms and the impact of…”
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Abstract 15931: Associated Genetic and Non-Cardiac Anomalies and Outcomes in Prenatally Detected Tetralogy of Fallot by Sharma, Rishav, Hornberger, Lisa K, Caluseriu, Oana, Niederhoffer, Karen Y, Eckersley, Luke, Colen, Timothy, Lin, Lily, Rushfeldt, Michelle, He, Rose, McBrien, Angela

“…IntroductionHistorically, prenatal detection of tetralogy of Fallot (ToF) was poor and around 60% had major extracardiac (ECA) or genetic anomalies. Recently,…”
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Reduced Right Ventricular Fractional Area Change, Strain, and Strain Rate before Bidirectional Cavopulmonary Anastomosis is Associated with Medium-Term Mortality for Children with Hypoplastic Left Heart Syndrome by Lin, Lily Q., Conway, Jennifer, Alvarez, Silvia, Goot, Benjamin, Serrano-Lomelin, Jesus, Colen, Timothy, Tham, Edythe B., Kutty, Shelby, Li, Ling, Khoo, Nee Scze

“…Ventricular dysfunction is associated with increased morbidity and mortality in children with hypoplastic left heart syndrome. The aim of this study was to…”
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Tricuspid Valve Tethering Is Associated with Residual Regurgitation after Valve Repair in Hypoplastic Left Heart Syndrome: A Three-Dimensional Echocardiographic Study by Shigemitsu, Sachie, Mah, Kandice, Thompson, Richard B., Grenier, Justin, Lin, Lily Q., Silmi, Amal, Beigh, Mirza Vamiq Rasool, Khoo, Nee Scze, Colen, Timothy

“…Tricuspid valve regurgitation (TR) is a risk factor for morbidity and mortality in children with hypoplastic left heart syndrome (HLHS). Surgical tricuspid…”
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