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Volume 41 (2008)
- Issue 2 Pages 31-
- Issue 1 Pages 1-
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Volume 41, Issue 2
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ORIGINALS
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Takayuki MURAKAMI, Masahiro YASUDA, Mitsuyoshi HAGIO, Katsumi HAMANA, ...2008 Volume 41 Issue 2 Pages 31-36
Published: 2008
Released on J-STAGE: October 06, 2009
JOURNAL FREE ACCESSThe morphology of 11 cattle hearts showing double outlet right ventricle with intact ventricular septum was investigated. In 10 out of these 11 hearts the left ventricles were hypoplastic. Eight cases showed stenosis of the ascending aorta and 2 cases showed isthmal hypoplasia of aorta, while 1 case had no aortic stenosis. Patent foramen ovale were detected in 8 hearts, and patent foramen ovale and atrial septal defects were detected in 2 hearts, whereas the other 1 heart had no interatrial communication. In 5 cases anomalous communications between the left ventricular cavity and the coronary artery were detected.View full abstractDownload PDF (916K) -
Sadaharu ONO, Mamoru ONUMA, Mariko UEKI, Tomoko ISHIDA2008 Volume 41 Issue 2 Pages 37-43
Published: 2008
Released on J-STAGE: October 06, 2009
JOURNAL FREE ACCESSIn the chest X-ray examination of ferrets, the long axis of the heart in the right lateral view (RL) (RL-LA, cm), RL-short axis (RL-SA, cm), RL-6th thoracic vertebra (6th DV, cm), and RL-vertebral heart size (VHS, n), LA in the ventrodorsal view (VD) (VD-LA, cm), VD-SA (cm), VD-VHS (n), VD-left 8th costal length (VD-LEC, cm), and VD-thoracic cavity width centering on the 8th thoracic vertebra (VD-8th TV, cm) were measured in 19 normal ferrets and 16 ferrets clinically diagnosed with dilated cardiomyopathy. The mean RL-LA was 3.05±0.32 in the normal group, and 3.49±0.46 in the dilated cardiomyopathy group, the mean RL-SA was 2.18±0.23 and 2.54±0.27, respectively, the mean RL-VHS was 5.16±0.42 and 5.94±0.55, the mean VD-LA was 3.60±0.33 and 4.09±0.49, VD-SA was 2.45±0.27 and 2.94±0.37, and the mean VD-VHS was 6.06±0.43 and 6.91±0.67, respectively. All 6 items were greater in the dilated cardiomyopathy group than in the normal group, suggesting that the heart diameter was dilated in the former compared to the latter.View full abstractDownload PDF (634K)
CASE REPORT
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Kentaro ANDO, Yuji NAKAMURA, Akira TAKAHARA, Atsushi SUGIYAMA2008 Volume 41 Issue 2 Pages 44-48
Published: 2008
Released on J-STAGE: October 06, 2009
JOURNAL FREE ACCESSWe experienced a case of cardiac sudden death during a catheterization procedure. A male beagle dog was anesthetized with 1% halothane vaporized with 100% oxygen. A thermodilution catheter was positioned at the pulmonary artery through the right femoral vein, then a pig-tail catheter was positioned at the left ventricle through the right femoral artery. No significant changes were induced in the hemodynamic measurements during the procedure. However, when a quad-polar recording electrodes catheter was inserted to record His-bundle electrogram through the left femoral artery toward non-coronary cusp, the blood pressure was abruptly lowered to zero following a sense of resistance from the catheter. The catheter was immediately removed, while the dog fell in a cardiovascular collapse. Necrotomy was carried out immediately. A fossa was confirmed on the intima of arch of aorta, communicating with the dissection hematoma at the pulmonary artery via ligamentum arteriosum. These observations suggest that the electrode catheter was inserted into the fossa by chance, which might have partly re-opened the ductus arteriosus, leading to the onset of dissection hematoma of pulmonary artery and acute circulatory failure.View full abstractDownload PDF (1297K)
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