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Transesophageal Echocardiography in Cryptogenic Stroke and Patent Foramen Ovale: Analysis of Putative High-Risk Features From the Risk of Paradoxical Embolism Database Structural Heart Disease
Conclusions— We found no evidence that the proposed transesophageal echocardiography risk markers of large PFO size, hypermobile septum, and presence of right-to-left shunt at rest are associated with clinical features suggesting that a CS is PFO-attributable. Additional tools to describe PFOs may be useful in helping to determine whether an observed PFO is incidental or pathogenically related to CS.
Source: Circulation: Cardiovascular Imaging - January 21, 2014 Category: Radiology Authors: Wessler, B. S., Thaler, D. E., Ruthazer, R., Weimar, C., Di Tullio, M. R., Elkind, M. S. V., Homma, S., Lutz, J. S., Mas, J.-L., Mattle, H. P., Meier, B., Nedeltchev, K., Papetti, F., Di Angelantonio, E., Reisman, M., Serena, J., Kent, D. M. Tags: Cardiovascular imaging agents/Techniques, Cerebrovascular disease/stroke, Echocardiography, Pediatric and congenital heart disease, including cardiovascular surgery, Risk Factors for Stroke Structural Heart Disease Source Type: research

Exploring Carotid Sonographic Parameters Associated With Stroke Risk Among Hypertensive Stroke Patients Compared to Hypertensive Controls
Conclusions— Among hypertensive patients, the common carotid artery diameter and EDV are significantly associated with stroke risk. These findings have implications for development and evaluation of stroke prevention programs.
Source: Journal of Ultrasound in Medicine - May 27, 2014 Category: Radiology Authors: Agunloye, A. M., Owolabi, M. O. Tags: Original Research Source Type: research

Endovascular treatment of stroke in children under 2 years with heart failure and ventricular assist device.
CONCLUSION: As a result of the difficulty in performing arterial puncture, the small vessel calibre and the limitation in the use of iodated contrast, there are certain limitations to endovascular treatment of strokes in children that can lead to complications. A multidisciplinary approach to managing such cases would be helpful. PMID: 31072251 [PubMed - as supplied by publisher]
Source: Interventional Neuroradiology - May 12, 2019 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Quantification of Chronic Functional Mitral Regurgitation by Automated 3-Dimensional Peak and Integrated Proximal Isovelocity Surface Area and Stroke Volume Techniques Using Real-Time 3-Dimensional Volume Color Doppler Echocardiography: In Vitro and Clinical Validation Original Articles
Conclusions— Automated real-time 3D volume color flow Doppler based 3D PISA is more accurate than the 2D PISA method to quantify MR. In patients with functional MR, the 3D RVol by integrated PISA is more accurate than a peak PISA technique. Automated 3D stroke volume measurement can also be used as an adjunctive method to quantify MR severity.
Source: Circulation: Cardiovascular Imaging - January 15, 2013 Category: Radiology Authors: Thavendiranathan, P., Liu, S., Datta, S., Rajagopalan, S., Ryan, T., Igo, S. R., Jackson, M. S., Little, S. H., De Michelis, N., Vannan, M. A. Tags: Valvular heart disease, Echocardiography Original Articles Source Type: research

Aortic Valve Area, Stroke Volume, Left Ventricular Hypertrophy, Remodeling, and Fibrosis in Aortic Stenosis Assessed by Cardiac Magnetic Resonance Imaging: Comparison Between High and Low Gradient and Normal and Low Flow Aortic Stenosis Valvular Heart Disease
Conclusions— CMR confirmed overall accuracy of echocardiographic classification of AS but demonstrated that LG/LF and LG/NF AS have larger AVA, less LV hypertrophy, and similar focal fibrosis compared with HG/LF AS. This challenges the view that LG/LF AS is a more advanced state of AS.
Source: Circulation: Cardiovascular Imaging - November 19, 2013 Category: Radiology Authors: Barone-Rochette, G., Pierard, S., Seldrum, S., de Meester de Ravenstein, C., Melchior, J., Maes, F., Pouleur, A.-C., Vancraeynest, D., Pasquet, A., Vanoverschelde, J.-L., Gerber, B. L. Tags: CT and MRI, Echocardiography Valvular Heart Disease Source Type: research

Acquired intracranial arterial aneurysm and stroke after vessel dissection in a child with coarctation of the aorta.
Authors: Donti A, Spinardi L, Formigari R, Elisabetta Mariucci M, Egidy Assenza G, Pastore Trossello M, Bonvicini M Abstract Vascular events in patients with coarctation of the aorta have been extensively reported and account for the majority of morbidity and mortality in untreated patients. The exact mechanism for this association is not completely understood and may include acquired anomalies or congenital abnormalities of intracranial vessel. Here we report a case of intracranial internal carotid artery dissection with subsequent formation of acquired large carotid aneurysm in a child with severe systemic hypert...
Source: Interventional Neuroradiology - June 8, 2017 Category: Radiology Tags: Interv Neuroradiol Source Type: research

Stroke volume and cardiac output measurement in cardiac patients during a rehabilitation program: comparison between tonometry, impedancemetry and echocardiography
AbstractGiven the increasing use of noninvasive techniques for the assessment of cardiac function in clinical practice, the aim of this study was to evaluate if stroke volume (SV) and cardiac output (CO) measurements obtained by PhysioFlow impedance cardiography or HDI CR-2000 pulse wave analysis (Pulse) are interchangeable with measurements obtained by echocardiography in patients with coronary artery disease (CAD) or heart failure (HF). The study involved 48 men with heart disease (CAD or HF). We compared SV and CO measurements with the three devices at rest, as well as relative changes in SV and CO derived from a rehabi...
Source: The International Journal of Cardiovascular Imaging - December 15, 2019 Category: Radiology Source Type: research

NaF-PET scans reveal plaque -- and possible risk of stroke
PET/CT scans can show plaque development in atherosclerosis patients and ma...Read more on AuntMinnie.comRelated Reading: CAC scores predict cardiac risk in patients with high cholesterol PET/MRI proves TNF blockers effective for ankylosing spondylitis CT angio offers late thrombectomy option to stroke patients CCTA plaque data improve heart disease risk assessment in diabetics Delayed NaF-PET enhances coronary plaque detection
Source: AuntMinnie.com Headlines - February 24, 2022 Category: Radiology Source Type: news

Low-Flow, Low-Gradient Severe Aortic Stenosis in the Setting of Constrictive Pericarditis: Clinical Characteristics, Echocardiographic Features, and Outcomes Valvular Heart Disease
Conclusions— Our findings highlighted the possibility of CP as a pathophysiological mechanism for low-flow, low-gradient AS. Left ventricular stroke volume index and transaortic gradients were commonly reduced in AS in the setting of CP despite a preserved left ventricular ejection fraction, which may result in underestimation of AS severity. Prior mediastinal radiation, lower left ventricular stroke volume index, and concomitant CP were associated with poorer survival in AS patients.
Source: Circulation: Cardiovascular Imaging - July 14, 2015 Category: Radiology Authors: Tsang, M. Y. C., Choi, J.-O., Borlaug, B. A., Greason, K. L., Cha, S. S., Nishimura, R. A., Oh, J. K. Tags: Pericardial disease, Valvular heart disease, Echocardiography Source Type: research

Causal Assessment of Serum Urate Levels in Cardiometabolic Diseases Through a Mendelian Randomization Study
ConclusionsEvidence from this study does not support a causal role of circulating serum urate levels in T2DM, CHD, ischemic stroke, or HF. Decreasing serum urate levels may not translate into risk reductions for cardiometabolic conditions.
Source: Journal of the American College of Cardiology: Cardiovascular Imaging - January 25, 2016 Category: Radiology Source Type: research

Increased maximum common carotid intima-media thickness is associated with smoking and hypertension in Tochigi Prefecture residents
ConclusionWe identified current smoking and hypertension as the most significant contributing factors to increased IMT-Cmax in residents of Tochigi Prefecture, emphasizing the importance of routine blood pressure monitoring and anti-smoking education in this population.
Source: Journal of Medical Ultrasonics - February 14, 2017 Category: Radiology Source Type: research

Comparison between Three-Dimensional Navigator-Gated Whole-Heart MRI and Two-Dimensional Cine MRI in Quantifying Ventricular Volumes.
Conclusion: Three-dimensional whole-heart MRI is often subject to early timing of the ED phase, potentially leading to the underestimation of the right ventricular stroke volumes. PMID: 29962876 [PubMed - in process]
Source: Korean J Radiol - July 1, 2018 Category: Radiology Authors: Goo HW Tags: Korean J Radiol Source Type: research

Sildenafil Improves Exercise Hemodynamics in Fontan Patients Congenital Heart Disease
Conclusions— In Fontan patients, sildenafil improved cardiac index during exercise with a decrease in total pulmonary resistance index and an increase in stroke volume index. This implies that pulmonary vasculature represents a physiological limitation, which can be attenuated by sildenafil, the clinical significance of which warrants further study.
Source: Circulation: Cardiovascular Imaging - March 18, 2014 Category: Radiology Authors: Van De Bruaene, A., La Gerche, A., Claessen, G., De Meester, P., Devroe, S., Gillijns, H., Bogaert, J., Claus, P., Heidbuchel, H., Gewillig, M., Budts, W. Tags: Exercise testing, CT and MRI Congenital Heart Disease Source Type: research

Comparison of Coronary Artery Calcium Presence, Carotid Plaque Presence, and Carotid Intima-Media Thickness for Cardiovascular Disease Prediction in the Multi-Ethnic Study of Atherosclerosis Epidemiology
Conclusions— In adults without CVD, CAC presence improves prediction of CVD and CHD more than carotid plaque presence or high IMT. CAC and carotid ultrasound parameters performed similarly for stroke/transient ischemic attack event prediction.
Source: Circulation: Cardiovascular Imaging - January 16, 2015 Category: Radiology Authors: Gepner, A. D., Young, R., Delaney, J. A., Tattersall, M. C., Blaha, M. J., Post, W. S., Gottesman, R. F., Kronmal, R., Budoff, M. J., Burke, G. L., Folsom, A. R., Liu, K., Kaufman, J., Stein, J. H. Tags: Primary prevention, Risk Factors, CT and MRI, Other diagnostic testing, Epidemiology Source Type: research

Prospective Comparison of Valve Regurgitation Quantitation by Cardiac Magnetic Resonance Imaging and Transthoracic Echocardiography Original Articles
Conclusions— Compared with TTE, CMR has lower intraobserver and interobserver variabilities for RVolAR, suggesting CMR may be superior for serial measurements. Although RVolMR is similar by TTE and CMR, variability in measured RVol by both approaches suggests that caution is needed in clinical practice.
Source: Circulation: Cardiovascular Imaging - January 15, 2013 Category: Radiology Authors: Cawley, P. J., Hamilton-Craig, C., Owens, D. S., Krieger, E. V., Strugnell, W. E., Mitsumori, L., D'Jang, C. L., Schwaegler, R. G., Nguyen, K. Q., Nguyen, B., Maki, J. H., Otto, C. M. Tags: Valvular heart disease, CT and MRI, Echocardiography Original Articles Source Type: research

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