Publications by authors named "Yasushi Nishiya"

A 31-year-old woman presented with cardiac tamponade. Contrast-enhanced chest computed tomography(CT) revealed an inhomogeneously-enhanced soft tissue mass measuring 50×35×30 mm, which was in contact with the right atrial wall. The mass was definitely diagnosed as cardiac angiosarcoma by thoracoscope-assisted biopsy.

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A 62-year-old man was brought to the emergency room of our hospital because of chest pain. Computed tomography revealed a right aortic arch and an aberrant left subclavian artery with Kommerell diverticulum and acute aortic dissection (Stanford type A). Total arch replacement was performed emergently through a median full sternotomy.

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Article Synopsis
  • * She was later referred to the hospital on May 18 for further examination, revealing a significant abdominal aortic aneurysm (78mm) and a retroperitoneal hematoma, indicating a chronic rupture.
  • * An emergency Y-shaped graft replacement surgery was performed, showing a perforation in the aneurysm and organized thrombus; the patient recovered well and was discharged 21 days post-surgery.
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A 6-year-old boy presented with diffuse stenosis of the aortic arch. He had undergone patch augmentation for localized supravalvular aortic stenosis at 2 years of age. Before the initial operation, the aortic arch and descending aorta were noticed to be hypoplastic with a diameter of 60 to 73% of that of the aortic annulus, without a pressure gradient.

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