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dc.contributor.authorSchmid, Peter-
dc.contributor.authorLunkenheimer, Paul P.-
dc.contributor.authorRedmann, Klaus-
dc.contributor.authorRothaus, Kai-
dc.contributor.authorJiang, Xiaoyi-
dc.contributor.authorCryer, Colin W.-
dc.contributor.authorJärmann, Thomas-
dc.contributor.authorNiederer, Peter-
dc.contributor.authorBoesiger, Peter-
dc.contributor.authorAnderson, Robert H.-
dc.date.accessioned2018-04-10T15:20:32Z-
dc.date.available2018-04-10T15:20:32Z-
dc.date.issued2007-
dc.identifier.issn1552-4884de_CH
dc.identifier.issn1552-4892de_CH
dc.identifier.issn0003-276Xde_CH
dc.identifier.issn1932-8494de_CH
dc.identifier.urihttps://digitalcollection.zhaw.ch/handle/11475/5025-
dc.description.abstractPairs of cylindrical knives were used to punch semicircular slices from the left basal, sub-basal, equatorial, and apical ventricular wall of porcine hearts. The sections extended from the epicardium to the endocardium. Their semicircular shape compensated for the depth-related changing orientation of the myocytes relative to the equatorial plane. The slices were analyzed by diffusion tensor magnetic resonance imaging. The primary eigenvector of the diffusion tensor was determined in each pixel to calculate the number and angle of intrusion of the long axis of the aggregated myocytes relative to the epicardial surface. Arrays of axially sectioned aggregates were found in which 53% of the approximately two million segments evaluated intruded up to +/-15 degrees, 40% exhibited an angle of intrusion between +/-15 degrees and +/-45 degrees, and 7% exceeded an angle of +/-45 degrees, the positive sign thereby denoting an epi- to endocardial spiral in clockwise direction seen from the apex, while a negative sign denotes an anticlockwise spiral from the epicardium to the endocardium. In the basal and apical slices, the greater number of segments intruded in positive direction, while in the sub-basal and equatorial slices, negative angles of intrusion prevailed. The sampling of the primary eigenvectors was insensitive to postmortem decomposition of the tissue. In a previous histological study, we also documented the presence of large numbers of myocytes aggregated with their long axis intruding obliquely from the epicardial to the endocardial ventricular surfaces. We used magnetic resonance diffusion tensor imaging in this study to provide a comprehensive statistical analysis.de_CH
dc.language.isoende_CH
dc.publisherWileyde_CH
dc.relation.ispartofThe Anatomical Recordde_CH
dc.rightsLicence according to publishing contractde_CH
dc.subjectAnimalsde_CH
dc.subjectStatistical data interpretationde_CH
dc.subjectDiffusion Magnetic Resonance Imagingde_CH
dc.subjectEndocardiumde_CH
dc.subjectHeart Ventriclesde_CH
dc.subjectThree-dimensional imagingde_CH
dc.subjectCardiac myocytesde_CH
dc.subjectPericardiumde_CH
dc.subjectSwinede_CH
dc.subject.ddc570: Biologiede_CH
dc.titleStatistical analysis of the angle of intrusion of porcine ventricular myocytes from epicardium to endocardium using diffusion tensor magnetic resonance imagingde_CH
dc.typeBeitrag in wissenschaftlicher Zeitschriftde_CH
dcterms.typeTextde_CH
zhaw.departementSchool of Engineeringde_CH
dc.identifier.doi10.1002/ar.20604de_CH
dc.identifier.pmid17929275de_CH
zhaw.funding.euNode_CH
zhaw.issue11de_CH
zhaw.originated.zhawNode_CH
zhaw.pages.end1423de_CH
zhaw.pages.start1413de_CH
zhaw.publication.statuspublishedVersionde_CH
zhaw.volume290de_CH
zhaw.publication.reviewPeer review (Publikation)de_CH
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Schmid, P., Lunkenheimer, P. P., Redmann, K., Rothaus, K., Jiang, X., Cryer, C. W., Järmann, T., Niederer, P., Boesiger, P., & Anderson, R. H. (2007). Statistical analysis of the angle of intrusion of porcine ventricular myocytes from epicardium to endocardium using diffusion tensor magnetic resonance imaging. The Anatomical Record, 290(11), 1413–1423. https://doi.org/10.1002/ar.20604
Schmid, P. et al. (2007) ‘Statistical analysis of the angle of intrusion of porcine ventricular myocytes from epicardium to endocardium using diffusion tensor magnetic resonance imaging’, The Anatomical Record, 290(11), pp. 1413–1423. Available at: https://doi.org/10.1002/ar.20604.
P. Schmid et al., “Statistical analysis of the angle of intrusion of porcine ventricular myocytes from epicardium to endocardium using diffusion tensor magnetic resonance imaging,” The Anatomical Record, vol. 290, no. 11, pp. 1413–1423, 2007, doi: 10.1002/ar.20604.
SCHMID, Peter, Paul P. LUNKENHEIMER, Klaus REDMANN, Kai ROTHAUS, Xiaoyi JIANG, Colin W. CRYER, Thomas JÄRMANN, Peter NIEDERER, Peter BOESIGER und Robert H. ANDERSON, 2007. Statistical analysis of the angle of intrusion of porcine ventricular myocytes from epicardium to endocardium using diffusion tensor magnetic resonance imaging. The Anatomical Record. 2007. Bd. 290, Nr. 11, S. 1413–1423. DOI 10.1002/ar.20604
Schmid, Peter, Paul P. Lunkenheimer, Klaus Redmann, Kai Rothaus, Xiaoyi Jiang, Colin W. Cryer, Thomas Järmann, Peter Niederer, Peter Boesiger, and Robert H. Anderson. 2007. “Statistical Analysis of the Angle of Intrusion of Porcine Ventricular Myocytes from Epicardium to Endocardium Using Diffusion Tensor Magnetic Resonance Imaging.” The Anatomical Record 290 (11): 1413–23. https://doi.org/10.1002/ar.20604.
Schmid, Peter, et al. “Statistical Analysis of the Angle of Intrusion of Porcine Ventricular Myocytes from Epicardium to Endocardium Using Diffusion Tensor Magnetic Resonance Imaging.” The Anatomical Record, vol. 290, no. 11, 2007, pp. 1413–23, https://doi.org/10.1002/ar.20604.


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