Rupture of the Thoracic Aortic Aneurysm in the Course of Corticosteroid Therapy for Rheumatic Interstitial Pneumonitis / 日本心臓血管外科学会雑誌

Rheumatoid arthritis and interstitial pneumonitis were diagnosed in a 72-year-old man and thoracic computed tomography revealed an aortic arch aneurysm 50mm in diameter. Steroid therapy gave symptomatic relief and improved laboratory findings, but hyperglycemia and hypertension developed. Two months later the thoracic aneurysm ruptured, and computed tomography revealed expansion of the aneurysm to 60mm in diameter and surrounding hematoma. Emergency total arch replacement was performed successfully with deep hypothermic cardiopulmonary bypass and selective cerebral perfusion. The steroid therapy was considered to be responsible for the rapid expansion and rupture of the thoracic aneurysm. When prescribing steroids for a patient who has a concomitant atherosclerotic cardiovascular disease, we should not only control the steroidal side effects strictly, but also carefully watch the course of the atherosclerotic lesion.

A Successful Case of Conccmitant Aortic Valve Replacement Using an Intravalvular Implantation Technique and Coronary Artery Bypass Grafting in Aortitis Syndrome / 日本心臓血管外科学会雑誌

Aortitis syndrome is a disease of non-specific inflammation of the arterial wall which produces necrosis and fibrosis of the intima. Indications, timing, and the choice of operative procedures should be determined carefully because of its complex pathology. We encountered a patient with combined aortic valve incompetence and left main coronary artery stenosis due to aortitis syndrome. The patient received adequate steroid therapy and the inflammatory reaction was well controlled before surgery. The patient underwent concomitant aortic valve replacement using an intravalvular implantation technique and coronary artery bypass grafting. The hospital course of the patient was uneventful. Neither paravalvular leakage nor inflammatory recurrence was observed during 18 months of follow-up.

A Case of Primary Cardiac Lymphoma Diagnosed by Open Biopsy with Median Sternotomy / 日本心臓血管外科学会雑誌

An 60-year-old man who initially presented with ventricular tachycardia was suspected of cardiac tumor because of localised hypertrophy of the right ventricle. Although the localized region detected by an echocardiography suggested malignancy, percutaneous transcatheter myocardial biopsy failed to obtain a histological diagnosis. Six months later, a permanent pace maker was implanted due to complete AV block. Two years after the first admission, echocardiogram and computed tomography demonstrated a cardiac tumor in the right ventricle. To obtain a histological diagnosis, open biopsy was performed under median sternotomy and showed malignant lymphoma. Antemortem diagnosis of cardiac malignancy is usually very difficult. Median sternotomy is an established procedure for cardiovascular surgeons. Open biopsy can be an acceptable technique to obtain histological diagnosis of the neoplastic region in terms of safety and simplicity, and has good sampling accuracy compared with other diagnostic modalities. We recommend early stage surgical exploration when cardiac malignancy is a diagnostic possibility.

A Classification of Consumption Coagulopathy Associated with Abdominal Aortic Aneurysm / 日本心臓血管外科学会雑誌

Fifty consecutive patients who underwent elective repair for abdominal aortic aneurysms were preoperatively evaluated on blood coagulation tests and retrospectively classified into three groups. Class I had a normal profile on the tests. Class II had either high FDP (≥20ng/ml), TAT (≥20ng/ml), or positive results on the FM test. Class III had either thrombocytopenia (≤120/μl) or bleeding symptoms with Class II conditions. Operative mortality was 0% (0/26) in Class I, 13% (2/15) in Class II, and 22% (2/9) in Class III patients. This classification is considered to be simple and useful to assess specific coagulopathy for aortic aneurysms.

A Case of Aortitis Syndrome with Thoracic and Abdominal Aneurysm / 日本心臓血管外科学会雑誌

A case is presented of a 18-year-old male patient, in whom an abnormal distension of the distal aortic arch was pointed out on chest X-ray. Angiography and computed tomography revealed distal arch aneurysm, obstruction of the left subclavian artery, and abdominal aortic aneurysm, including the celiac, superior mesenteric, and bilateral renal arteries. Oral administration of prednisolone (15mg/day) was initiated to control systemic inflammation before surgery. First, the distal arch aneurysm was resected with total cardiopulmonary bypass, selective cerebral perfusion and hypothermia. Approximately 1 month later, the abdominal aortic aneurysm was resected with partial cardiopulmonary bypass with selective visceral perfusion of the celiac and left renal arteries. The celiac, superior mesenteric, bilateral renal arteries were reconstructed with a dacron prosthesis (6mm in diameter). The postoperative course was uneventful and he is being followed up as an outpatient.