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1.
Article in Japanese | WPRIM | ID: wpr-378393

ABSTRACT

<p>We report a case of a 72-year-old woman, who had an anastomotic pseudoaneurysm in the ascending aorta, successfully treated by endovascular aortic repair with vascular embolic devise and stent-graft. It seemed to be high risk to achieve conventional surgery with extracorporeal circulation, therefore we selected endovascular treatment because she had a bleeding tendency which derived from disseminated intravascular coagulation. Then, we adopted stent-grafting with a vascular embolic device, because the distal side of pseudoaneurysm had too short a landing zone to cover the stent-graft only. The patient well tolerated this procedure and her postoperative course was uneventful. The pseudoaneurysm shrank at 6th months after operation.</p>

2.
Article in Japanese | WPRIM | ID: wpr-361996

ABSTRACT

Immune heparin-induced thrombocytopenia (HIT) is a crucial side effect of heparin therapy. We report the case of a 52-year-old man who was strongly suspected of having HIT after urgent descending aorta replacement. This case required continuous hemodiafiltration (CHDF) anticoagulated with unfractionated heparin (UFH) for acute renal failure after the operation. The patient developed thrombocytopenia and thrombus emphraxis in the circuit on the seventh day and was suspected of having HIT. UFH was ceased and replaced with argatroban. After then, thrombus emphraxis was not seen in the circuit and the platelet count was recovered promptly. He tested positive in an enzyme-linked immunosorbent assay for anti-platelet factor 4/heparin antibodies (anti-PF4/H Abs). Six months later, we found, an expanding thoracoabdominal aortic aneurysm and performed thoracoabdominal aorta replacement. We selected heparin anticoagulation for cardiopulmonary bypass because anti-PF4/H Abs were negative at that time. Thrombus emphraxis was not found during the operation. The patient developed neither thrombocytopenia nor thrombosis in the perioperative period.

3.
Article in Japanese | WPRIM | ID: wpr-367192

ABSTRACT

Between January 1994 and October 2004, 87 patients underwent emergency thoracic aortic surgery. Of these, 11 patients were more than 80 years old (O-group) and 76 were less than 80 years old (Y-group). A total of 58 patients (6 in O-group and 52 in Y-group) were treated for acute type-A aortic dissection, 5 (0 in O-group and 5 in Y-group) for acute type-B aortic dissection and 21 (4 in O-group and 17 in Y-group) for the involved rupture of a thoracic aortic aneurysm. The operative procedures consisted of the replacement of either the ascending, or the ascending and transverse aorta in 71 patients (8 in O-group and 63 in Y-group), and the replacement of the distal descending aorta in 15 patients (3 in O-group and 12 in Y-group). The operative mortality rates were 27.2% (3 patients) and 19.7% (15 patients) in the O- and Y-groups, respectively, with no significant difference between the groups. The rate of early complications, including circulatory failure, respiratory failure and cerebral infarction, did not statistically differ between the 2 groups. The overall 2-year survival rates of the patients who survived the operation were 83.3% in the O-group and 95.1% in the Y-group. Moreorer, 75% of the patients (6 of 8) who survived the surgery regained normal activities of daily life after the surgery, at a level similar to before the surgery. The present data indicates that emergency thoracic aortic surgery can be justified in selected in octogenarian patients.

4.
Article in Japanese | WPRIM | ID: wpr-367114

ABSTRACT

A typical feature of mid-ventricular obstructive hypertrophic cardiomyopathy (MVO-HCM), is obvious hypertrophy of the mid-ventricular muscle and ventricle with transformation into the shape of an hourglass. We report a 60-year-old woman who had been given a diagnosis of apical type hypertrophic cardiomyopathy 12 years previously, but it changed to MVO-HCM with apical left ventricular aneurysm. We considered the impending rupture of the aneurysm because its wall was thin and pericardial effusion was detected by UCG (ultrasonic cardiograph). Urgent surgery was performed consisting of ventricular aneurysmectomy and patch reconstruction. After the surgery, a pseudoaneurysm was found in cardiac apex, so we performed surgery again. A residual shunt in the trabeculation caused the pseudoaneurysm, but its origin was not clear. She has been fine for 18 months without complications such as recurrence of aneurysm, ventricular arrhythmia or left ventricular dysfunction since the last surgery.

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