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Neuroimaging Findings in Cryptogenic Stroke Patients With and Without Patent Foramen Ovale Clinical Sciences
Conclusions— This is the largest study to report the radiological characteristics of patients with cryptogenic stroke and known PFO status. Strokes that were large, radiologically apparent, superficially located, or unassociated with prior radiological infarcts were more likely to be PFO-associated than were unapparent, smaller, or deep strokes, and those accompanied by chronic infarcts. There was no association between PFO and multiple acute strokes nor between specific echocardiographic PFO features with neuroimaging findings.
Source: Stroke - February 25, 2013 Category: Neurology Authors: Thaler, D. E., Ruthazer, R., Di Angelantonio, E., Di Tullio, M. R., Donovan, J. S., Elkind, M. S. V., Griffith, J., Homma, S., Jaigobin, C., Mas, J.-L., Mattle, H. P., Michel, P., Mono, M.-L., Nedeltchev, K., Papetti, F., Serena, J., Weimar, C., Kent, D. Tags: Cerebrovascular disease/stroke, Pediatric and congenital heart disease, including cardiovascular surgery, Computerized tomography and Magnetic Resonance Imaging, Risk Factors for Stroke Clinical Sciences Source Type: research

Serial Magnetic Resonance Imaging in Hypoplastic Left Heart Syndrome Gives Valuable Insight Into Ventricular and Vascular Adaptation
Conclusions: In HLHS, serial MRI shows the adaptation of the systemic RV after HF with volume reduction in the context of a preserved stroke volume and an increased ejection fraction. The staged palliation in HLHS may be a risk factor particularly for reduced left pulmonary artery growth in itself as no factors investigated in this study were found to significantly impact on this.
Source: Journal of the American College of Cardiology - January 30, 2013 Category: Cardiology Authors: Hannah R. Bellsham-Revell, Shane M. Tibby, Aaron J. Bell, Thomas Witter, John Simpson, Philipp Beerbaum, David Anderson, Conal B. Austin, Gerald F. Greil, Reza Razavi Tags: Congenital Heart Disease 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

Evaluation of Cardiac Function by Magnetic Resonance Imaging During the Follow-Up of Patients With Kawasaki Disease Original Articles
Conclusions— In this cardiac magnetic resonance imaging study evaluating the cardiac function of patients with KD at long-term follow-up, we did not observe a difference in cardiac function between KD patients and control subjects, except for a subgroup of patients with ischemic heart disease as a result of severe coronary artery pathology.
Source: Circulation: Cardiovascular Imaging - January 15, 2013 Category: Radiology Authors: Tacke, C. E., Romeih, S., Kuipers, I. M., Spijkerboer, A. M., Groenink, M., Kuijpers, T. W. Tags: Cardiovascular imaging agents/Techniques, CT and MRI Original Articles 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

Energy Transfer Ratio as a Metric of Right Ventricular Efficiency in Repaired Congenital Heart Disease
ConclusionWe determined that the patients had inefficient RV‐PA physiology due to a combination of RV dilatation with pulmonary regurgitation and RV outflow obstruction leading to an elevated end‐systolic pressure. Using coupled magnetic resonance imaging and invasive pressure measurements, eMPA is determined to be a sensitive energy‐based end point for measuring RV‐PA efficiency. It may serve as a diagnostic end point to optimize timing of intervention.
Source: Congenital Heart Disease - November 1, 2012 Category: Cardiology Authors: Namheon Lee, Ashish Das, Michael Taylor, Kan Hor, Rupak K. Banerjee Tags: Original Article Source Type: research

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