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6篇 您的检索式：作者名="Jan Balzer"

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		题名	作者	年代	出处	被引量
	1	Intraprocedural online fusion of echocardiography and fluoroscopy during transapical mitral valve-in-valve implantation显示文摘	Jan Balzer Tobias Zeus Alexander Blehm Ralf Westenfeld Artur Lichtenberg Malte Kelm Tienush Rassaf	2014	Canadian Journal of Cardiology2014，，：	1
	2	Real-time transesophageal three-dimensional echocardiography for guidance of percutaneous cardiac interventions: first experience显示文摘	Jan Balzer MD Harald Kühl MD Tienush Rassaf MD Rainer Hoffmann MD Patrick Schauerte MD Malte Kelm MD Andreas Franke MD	2008	Clinical Research in Cardiology2008，，9：	1
	3	Assessment of the functional diversity of human myoglobin显示文摘	Matthias Totzeck Ulrike B. Hendgen-Cotta Christos Rammos Aniela M. Petrescu Christian Meyer Jan Balzer Malte Kelm Tienush Rassaf	2012	Nitric Oxide2012，，4：	1
	4	Reductase activity of polyphenols?: A commentary on “Red wine-dependent reduction of nitrite to nitric oxide in the stomach”显示文摘	Jan Balzer Tienush Rassaf Malte Kelm	2007	Free Radical Biology and Medicine2007，，9：	1
	5	Initial clinical experience using the Echo Navigator~-system during structural heart disease interventions显示文摘AIM: To present our initial clinical experience using this innovative software solution for guidance of percutaneous structural heart disease interventions.METHODS: Left atrial appendage, atrial septal defect and paravalvular leak closure, transaortic valve repair and Mitra Clip procedures were performed in the catheter laboratory under fluoroscopic and echocardiographic guidance. The two-dimensional and three-dimensional images generated by the transesophageal echocardiography probe were interfaced with the fluoroscopic images in real-time using the Echo Navigator-system.RESULTS:The application of the novel image fusion technology was safe and led to a better appreciation of multimodality imaging guidance due to improved visualization of the complex relationship between catheter devices and anatomical structures.CONCLUSION:The Echo Navigator-system is a feasible and safe tool for guidance of interventional procedures in structural heart disease.This innovative technology may improve confidence of interventional cardiologists in targeting and positioning interventional devices in order to increase safety,accuracy,and efficacy of percutaneous interventions in the catheter laboratory.	Jan Balzer Tobias Zeus Katharina Hellhammer Verena Veulemans Silke Eschenhagen Eva Kehmeier Christian Meyer Tienush Rassaf Malte Kelm	2015	World Journal of Cardiology2015，7，9：	0
	6	Optimal C-arm angulation during transcatheter aortic valve replacement: Accuracy of a rotational C-arm computed tomography based three dimensional heart model显示文摘AIM To investigate the accuracy of a rotational C-arm CTbased 3D heart model to predict an optimal C-arm configuration during transcatheter aortic valve replacement(TAVR). METHODS Rotational C-arm CT(RCT) under rapid ventricular pacing was performed in 57 consecutive patients with severe aortic stenosis as part of the pre-procedural cardiac catheterization. With prototype software each RCT data set was segmented using a 3D heart model. From that the line of perpendicularity curve was obtained that generates a perpendicular view of the aortic annulus according to the right-cusp rule. To evaluate the accuracy of a model-based overlay we compared model- and expert-derived aortic root diameters. RESULTS For all 57 patients in the RCT cohort diameter measurements were obtained from two independent operators and were compared to the model-based measurements. The inter-observer variability was measured to be in the range of 0°-12.96° of angular C-arm displacement for two independent operators. The model-to-operator agreement was 0°-13.82°. The model-based and expert measurements of aortic root diameters evaluated at the aortic annulus(r = 0.79, P < 0.01), the aortic sinus(r = 0.93, P < 0.01) and the sino-tubular junction(r = 0.92, P < 0.01) correlated on a high level and the Bland-Altman analysis showed good agreement. The interobserver measurements did not show a significant bias. CONCLUSION Automatic segmentation of the aortic root using an anatomical model can accurately predict an optimal C-arm configuration, potentially simplifying current clinical workflows before and during TAVR.	Verena Veulemans Sabine Mollus Axel Saalbach Max Pietsch Katharina Hellhammer Tobias Zeus Ralf Westenfeld Jürgen Weese Malte Kelm Jan Balzer	2016	World Journal of Cardiology2016，8，10：	0

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