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Articles by A. Chong
COMPARING OUTCOMES OF TICAGRELOR AND CLOPIDOGREL IN ST-ELEVATION MYOCARDIAL INFARCTION PATIENTS REQUIRING CORONARY ARTERY BYPASS GRAFTING DURING INDEX HOSPITALIZATION
Percutaneous coronary intervention (PCI) is the primary reperfusion strategy in ST-Elevation MI (STEMI). However, coronary artery bypass grafting (CABG) continues to play an important role in the revascularization of STEMI patients who have mechanical complications, residual severe disease, or those for whom PCI is incomplete, insufficient, or unsuccessful.
DECISION AIDS FOR PATIENTS WITH STABLE CORONARY ARTERY DISEASE: A SYSTEMATIC REVIEW
Patients with stable coronary artery disease (CAD) who undergo an angiogram are faced with challenging decisions regarding their treatment options. Decision aids (DAs) are essential tools in guiding patients through these complex decisions and facilitating their understanding of the risks and benefits associated with each option.
QUANTIFYING THE NEED FOR MICROAXIAL-FLOW PUMP IN STEMI SHOCK PATIENTS: DATA FROM A LARGE CANADIAN QUATERNARY CENTER
Cardiogenic shock in patients with ST-Elevation MI (STEMI) confers a mortality of up to 50%. The recent DanGer trial, using a strategy of temporary mechanical circulatory support with a microaxial-flow pump, was associated with an absolute reduction in mortality of 12.7%. Notable is the highly selective nature of the patients included in the trial and the substantial resources required, including devices and lengthened hospital and intensive care stays.
COMPARISON OF MACHINE LEARNING AND CONVENTIONAL STATISTICAL MODELING FOR PREDICTING READMISSION FOLLOWING ACUTE HEART FAILURE HOSPITALIZATION
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Abstract No. 503 Clinical outcomes of cholecystostomy in patients with acute cholecystitis
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311 Contrast Enhancement of the Tricuspid Regurgitant (TR) Spectral Doppler Signal in Pulmonary Hypertension (PHTN) - Waste of Bubbles or Truth be Told? - Heart, Lung and Circulation
A. Dina A. Kennington P. Garrahy A. Chong S. Wahi Echocardiographic probability of PHTN is based upon accurate estimation of the TR jet peak velocity (TR vel). Right ventricular systolic pressure (RVSP) can be calculated [4x(TR vel) 2+Right atrial pressure] as a surrogate for pulmonary artery systolic pressure (PASP). Underestimation of RVSP by transthoracic echocardiography (TTE) may occur due to weak or incomplete TR spectral Doppler signals leading to failed recognition of PHTN.
424 Underestimation of Left Ventricular (LV) Dilatation by Linear Dimensions in Comparison to Volumetric Assessment in Chronic Severe Aortic Regurgitation (AR) - Time to Update the Management Guidelines? - Heart, Lung and Circulation
J. Robinson C. McCallum A. Chong S. Wahi Chronic severe AR (CSAR) results in compensatory LV dilatation to maintain forward stroke volume. “Severe” dilatation (LV end-diastolic dimension (LVEDD)) ≥80mm is associated with sudden cardiac death and poorer postoperative outcomes. European Society of Cardiology guidelines recommend valve surgery (Class IIa) in asymptomatic patients with LVEDD>70mm and LV ejection fraction (LVEF)>50%.
Abstract No. 706 Descriptive revenue analysis of 100 patients in an interventional oncology service line: understanding revenue sources in interventional radiology
To view the full text, please login as a subscribed user or purchase a subscription. Click here to view the full text on ScienceDirect. As interventional radiology (IR) transitions to a clinical model and reimbursement patterns change, quantifying revenue may help emphasize IR’s value.
SERIAL RUBIDIUM-82 CARDIAC PET IMAGING EARLY POST HEART TRANSPLANT PREDICTS ADVERSE CARDIOVASCULAR OUTCOMES
To view the full text, please login as a subscribed user or purchase a subscription. Click here to view the full text on ScienceDirect. Myocardial blood flow (MBF) quantification by Rubidium-82 (Rb82) positron emission tomography (PET) has shown utility for cardiac allograft vasculopathy surveillance and cardiovascular risk stratification post heart transplantation (HT).
NATIVE CORONARY DISEASE PROGRESSION POST CORONARY ARTERY BYPASS GRAFTING
To view the full text, please login as a subscribed user or purchase a subscription. Click here to view the full text on ScienceDirect. FiguresArterial grafts have intrinsic endothelial properties which protect them from atherosclerosis progression. It remains unclear as to whether graft choice impacts proximal disease progression in the target native coronary arteries after CABG.
MULTIPARAMETRIC RUBIDIUM-82 POSITRON EMISSION TOMOGRAPHY MYOCARDIAL BLOOD FLOW QUANTIFICATION ASSESSMENT OF CARDIAC ALLOGRAFT VASCULOPATHY
To view the full text, please login as a subscribed user or purchase a subscription. Click here to view the full text on ScienceDirect. FiguresCardiac allograft vasculopathy (CAV) limits long-term patient survival and graft outcomes after heart transplantation. Early epicardial intimal disease and diffuse epicardial and microvascular coronary involvement in CAV are problematic for noninvasive diagnosis. We have shown impaired myocardial blood flow (MBF) quantification in patients with CAV.
SEX-DIFFERENCES IN EFFICACY OF ANGIOTENSIN CONVERTING ENZYME INHIBITORS AND ANGIOTENSIN RECEPTOR BLOCKERS IN PATIENTS WITH PRIOR MYOCARDIAL INFARCTION
To view the full text, please login as a subscribed user or purchase a subscription. Click here to view the full text on ScienceDirect. FiguresAngiotensin converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) are commonly prescribed for patients with coronary artery disease. However, evidence supporting the use of ARBs in this population is limited and controversial. Moreover, the effect of sex-differences between ACEIs and ARBs have not been sufficiently evaluated.
Clinical signs, histopathology and genetics of experimental transmission of BSE and natural scrapie to sheep and goats
This paper compares the clinical signs, histopathology, detection of PrPSc protein and PrP genetics of the transmission of BSE to sheep and goats, with the effects of the transmission of natural scrapie from a brain homogenate from a single sheep.
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