[Zasshi] [Journal]. Nihon Kyōbu Geka Gakkai
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Nihon Kyobu Geka Gakkai Zasshi · Feb 1990
Case Reports[Four operated cases of traumatic tricuspid regurgitation].
Four cases of tricuspid regurgitation due to nonpenetrating chest trauma are presented. From five to twenty five years after the initial blunt chest trauma, they were admitted because of dyspnea or palpitation on exertion. In all cases echocardiogram showed severe tricuspid regurgitation and enlarged right atrium and ventricle. ⋯ Five cases are treated medically. How to diagnose and how to treat them are discussed. And, in the conclusion, we consider that the surgical treatment is recommended for the case of traumatic tricuspid regurgitation with uncontrollable heart failure.
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Nihon Kyobu Geka Gakkai Zasshi · Feb 1990
[A study of spinal cord ischemia during aortic cross-clamp--evoked spinal cord potential and histological analysis of the spinal cord].
The relationship between the evoked spinal cord potential (ESP) and the histological findings of the spinal cord after thoracic aortic cross-clamp was studied. Thoracic aorta was cross-clamped in 23 dogs and ESP was monitored before, during, and after cross-clamping. Incidence of paraplegia and histological findings were studied after the dogs recovered from the procedure. ⋯ Necrotic foci were limited in the posterior horn in mild, in the anterior and posterior horn in moderate changes. And neurons were lost in entire gray matter in severe histological changes. In the spinal cords of the dogs with spastic paraplegia, severe histological changes were limited in the lower lumbar region.(ABSTRACT TRUNCATED AT 250 WORDS)