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1.
Japanese Journal of Cardiovascular Surgery ; : 253-256, 2020.
Article in Japanese | WPRIM | ID: wpr-825918

ABSTRACT

We describe a 50-year-old man who was diagnosed with anomalous aortic origin of the right coronary artery (AAORCA) by coronary angiography and coronary computed tomography performed for chest pain on exertion. Exercise-loaded myocardial scintigraphy revealed inferior wall ischemia, and hence surgery was performed. Intraoperatively, the right coronary artery was seen to run in the aortic wall, and hence, right coronary ostioplasty (unroofing) was performed. Postoperatively, coronary computed tomography revealed that the right coronary artery originated from a normal position, and exercise-loaded myocardial scintigraphy indicated no ischemia.

2.
Japanese Journal of Cardiovascular Surgery ; : 281-285, 2019.
Article in Japanese | WPRIM | ID: wpr-758166

ABSTRACT

A 71-year-old man underwent a medical checkup at another hospital with principal complaint of chest discomfort, and was diagnosed by computed tomography (CT) to have a left subclavian artery aneurysm. The CT revealed a 33-mm saccular aneurysm that was located at the proximal portion of the left subclavian artery. Because of the high risk of surgery, we planned to insert a stent graft into the left subclavian artery. We could not avoid occluding the ostium of the left vertebral artery with commercially-available stent grafts, and so decided to insert a surgeon-modified stent graft, in which the fabric of the distal portion of the stent graft was stripped away. The surgeon-modified stent graft was inserted from the conduit of the left axillary artery. Postoperative course was uneventful and the postoperative examination confirmed complete exclusion of the aneurysm and patency of the left vertebral artery.

3.
Japanese Journal of Cardiovascular Surgery ; : 210-214, 2019.
Article in Japanese | WPRIM | ID: wpr-750844

ABSTRACT

We report two cases of total arch replacement with open stent graft for the aberrant right subclavian artery (ARSA). Case 1 was a thoracic artery aneurysm with an ARSA. We thought it would be difficult to perform in-situ reconstruction of ARSA via median sternotomy, so we performed total arch replacement with the open stent-grafting technique. Therefore the right axillary artery was reconstructed by extra-anatomical bypass and coil embolization of the ARSA proximal to the vertebral artery to achieve complete thrombosis of the ARSA. The postoperative course was uneventful. Case 2 was a Stanford type A acute aortic dissection involving an ARSA with the entry located near the ARSA. Total arch replacement was performed using the open stent-grafting technique to close the entry site and origin of the ARSA. Then the right axillary artery was reconstructed by extra-anatomical bypass and coil embolization of the ARSA. The postoperative course was uneventful. The open stent-grafting technique might be an effective alternative management of thoracic aortic disease with ARSA.

4.
Japanese Journal of Cardiovascular Surgery ; : 179-184, 2019.
Article in Japanese | WPRIM | ID: wpr-750837

ABSTRACT

We report two cases with postoperative sternal osteomyelitis after coronary artery bypass graft (CABG), in whom successful two-stage reconstruction was performed via negative pressure wound therapy (NPWT) and pectoralis major myocutaneous flaps. Two patients underwent CABG using bilateral internal thoracic arteries, after which they had surgical site infection (SSI). The intractable wound did not heal with irrigation and NPWT. Then, sternal osteomyelitis was observed via magnetic resonance imaging (MRI), so we planned two-stage reconstruction. The first stage of treatment consisted of complete debridement (including removal of sternal wires and necrosectomy of soft tissue and sequestrum) and application of NPWT until the remission of inflammation. The second stage consisted of wound closure with pectoralis major myocutaneous advancement flaps. After wound closure, the two patients were given 2 months of oral antibiotics, and the postoperative results were good. Two-stage reconstruction with NPWT and pectoralis major myocutaneous flaps results in excellent clinical outcome. In the first stage, the key to the successful management of postoperative sternal osteomyelitis is infection control. This includes surgical debridement and wound-bed preparation with NPWT. The pectoralis major myocutaneous flap technique is brief and does not require a second cutaneous incision or an intact internal thoracic artery. In conclusion, the pectoralis major myocutaneous flap is a useful option in two-stage reconstruction after CABG.

5.
Japanese Journal of Cardiovascular Surgery ; : 281-283, 2016.
Article in Japanese | WPRIM | ID: wpr-378630

ABSTRACT

<p>The patient was 62-year-old woman was brought to the emergency room with chest pain and dyspnea. Computed tomography revealed a hematoma around the ascending aorta, a notch in the aortic wall, pericardial effusion and a hematoma around the pulmonary artery. We diagnosed early thrombotic type of acute aortic dissection. An ascending aorta replacement was performed via median sternotomy under hypothermic circulatory arrest. Upon operation, there was a 1.0 cm intimal tear just above the left main trunk and there was no specific evidence of aortic dissection. So we diagnosed spontaneous aortic rapture. Her postoperative course was uneventful and she was discharged 18 days after surgery.</p>

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