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1.
Article in Japanese | WPRIM | ID: wpr-966098

ABSTRACT

Surgery for a shaggy aortic aneurysm requires a meticulous strategy to prevent embolic complications since the complications are associated with longer length of hospital stay and higher mortality. However, until now, there are no established treatment options to prevent embolic complications. We report a case of a 75-year-old man with a descending aortic aneurysm and a shaggy aorta who underwent thoracic endovascular aortic repair (TEVAR) with major branch artery protection. During the procedure, we placed balloon catheters in the left subclavian and left common iliac arteries, a filter device in the superior mesenteric artery, and a sheath at the ostium of the right common iliac artery. The patient did not develop embolic or other complications and was discharged on the eighth postoperative day. Our strategy of using the balloon occlusion technique and filter placement at the major vessels effectively prevented embolic complications during TEVAR for a shaggy aorta.

2.
Article in Japanese | WPRIM | ID: wpr-367065

ABSTRACT

We treated 162 patients by isolated CABG with a left internal thoracic artery (LITA) anastomosed to the left anterior descending artery and a radial artery anastomosed to the circumflex artery between August 1996 and December 2002. Late angiograms were performed 6 to 65 months (21.7±15.8) after the operation. The purpose of this study was to compare midterm results of radial arteries anastomosed to the side wall of LITA (group Y) with those anastomosed to the aorta (group AC). There were no operative deaths in either group and no difference in the postoperative complication rate including cerebral infarction. The early patency of group Y was lower than that of group AC (group AC: 97.8%, group Y: 87.1%, <i>p</i>=0.017), and also the late patency of group Y was significantly lower than that of group AC (group AC: 90.9%, group Y: 36.4%, <i>p</i>=0.0008). All of the early patent radial artery grafts in group AC were patent on late angiograms, but 3 of the 25 anastomoses in group Y which were clearly patent on early angiograms later showed a string sign later. When using a radial artery graft in circumflex artery territory, we recommend an aorto-coronary bypass graft rather than Y-graft.

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