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1.
Article in Japanese | WPRIM | ID: wpr-688750

ABSTRACT

An 83-year-old man who had undergone aortic arch repair using the elephant trunk technique in addition to abdominal aorta repair required surgical intervention for a pseudoaneurysm at the distal anastomosis of the aortic arch graft. Due to marked adhesion around the aneurysm, aortic cross-clamping was not feasible. Thus, under femoro-femoral partial bypass, the arch prosthesis was endoclamped using an aortic occlusion balloon inserted through the left femoral artery into the aortic arch graft and through the elephant trunk, guided by fluoroscopy and transesophageal echocardiography. This allowed descending aorta replacement with minimal bleeding. His postoperative course was uneventful. This technique enabled safe and bloodless clamping of the proximal portion of the aortic arch graft.

2.
Article in Japanese | WPRIM | ID: wpr-374393

ABSTRACT

The collagen gel droplet-embedded culture drug sensitivity test (CD-DST) identifies effective anticancer drug using resected tumor specimen, enabling tailor-made chemotherapy for a rare tumor. We report a case of the patient with leiomyosarcoma originating in the inferior vena cava, to which CD-DST was applied. This application has not been previously reported to the best of our knowledge. A 61-year-old woman consulted a nearby hospital because of abdominal pain. Computed tomography revealed an inferior vena cava tumor. The tumor was resected with the inferior vena cava, which was reconstructed with a 16 mm ePTFE graft. The tumor was diagnosed as leiomyosarcoma histopathologically. CDDP, VP-16, ADR, and VDS were CD-DST showed the tumor to be sensitive. Her postoperative course has been good without recurrence of tumor for 6 months, and the results of CD-DST may be helpful for chemotherapy strategy in case of recurrence.

3.
Article in Japanese | WPRIM | ID: wpr-362984

ABSTRACT

A 10-year-old girl with heart murmur immediately after birth was found to have a ventricular septal defect (VSD). Although she had been followed up for an insignificant shunt, funnel chest became apparent and was referred to our hostpital at the age of 10. She was 133 cm in height, 25.7 kg in weight with a body surface area of 0.99 m<sup>2</sup>. The VSD was the muscular outflow type with a Qp/Qs of 1.1, defect of 2.5 mm in diameter, and pulmonary artery pressure of 24/10/15 mmHg. Pectus excavatum was apparent with a CT index of 2.99. The preceding surgery for one was likely to interfere with the subsequent surgery for the other. Therefore we decided on concomitant surgery for both. Under median sternotomy, cardiopulmonary bypass was established and the VSD was closed with a patch. After the pericardium was sutured and closed, a tape was carefully passed through the chest wall under the guidance of direct vision and digital palpation. A metal bar was inserted guided by the tape, reversed with a rotator, appropriately shaped with a hand bender, and was fixed to the chest wall with the stabilizer bars at both ends. The sternum was sutured with 1-0 polyester sutures and two sternum pins made of particulate hydroxyapatite and poly-L lactide. The postoperative course was uneventful. After 2 years, the excavatum was adequately corrected and the bar was successfully removed under general anesthesia. Although the comorbidity of VSD and funnel chest is rare, concomitant surgery for both can be safely carried out and may be considered as an option for treatment.

4.
Article in Japanese | WPRIM | ID: wpr-361858

ABSTRACT

We present a case of aortic valve replacement after retrosternal gastric tube reconstruction for esophageal cancer. A 84-year-old man with a history of esophageal resection with retrosternal reconstruction by gastric tube for esophageal cancer required aortic valve replacement for aortic stenosis. The aortic valve was approached through an 8-cm right parasternal incision over the third and fourth costal cartilages. Cardiopulmonary bypass was initiated through cannulas in the ascending aorta and the right atrium and the aortic valve was replaced with a bioprosthetic valve. The postoperative course was uneventful. In the literature, there are only 7 reports on such cases so far, in which aortic valve relplacement was performed through left thoracotomy, right parasternal approach or median sternotomy. We recommend the right parasternal approach in cases of aortic valve replacement in patients with retrosternal gastric tube, because it does not only avoids injury of gastric tube, but also offers an excellent operative view.

5.
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.

6.
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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