ABSTRACT
<p>Churg-Strauss syndrome is a rare form of systemic vasculitis that has been reported to involve the heart. However, co-existing involvement of cardiac valves and the conduction system is extremely rare. We present a patient with aortic regurgitation, mitral stenosis and complete heart block secondary to Churg-Strauss syndrome.</p>
ABSTRACT
A 74-year-old woman underwent a triple CABG with saphenous vein grafts to the left anterior descending artery, left circumflex artery and right coronary artery (RCA) 17 years previously. Periodic echocardiography by primary care doctor showed a mediastinal mass. She was referred to our hospital and we diagnosed saphenous vein graft aneurysm (SVGA) by enhanced computed tomography. The aneurysm was 60 mm in diameter and originated from the SVG, extending to the RCA. Only around the proximal anastomosis was enhanced, while the other part of the aneurysm was filled with thrombus. Coronary angiography showed collateral circulation to RCA and the other 2 grafts were patent. Resternotomy was done under cardiopulmonary bypass and closure of the proximal anastomosis with aneurysm excision was successfully performed. The postoperative course was uneventful and she was discharged on the 26th post-operative day. We report our surgical strategy in this case.
ABSTRACT
Papillary fibroelastoma is a relatively rare cardiac tumor. A report is presented on a 64-year-old man who was admitted to our institute with dyspnea. Distal arch aneurysm was detected by chest computed tomography and aortography. Preoperative transesophageal echocardiography revealed a tumor 9×5mm in size in the ventricular septum of the left ventricular outflow tract. Total arch replacement and tumor resection were performed. The pathohistological diagnosis of the tumor was papillary fibroelastoma. The postoperative course was uneventful and echocardiography conducted one year postoperatively revealed no recurrence.
ABSTRACT
From 1983 to 1999, 12 St. Jude Medical prostheses were implanted in the tricuspid position. Mean patient age at the time of operation was 40±19 (6 to 62) years. Seven patients were female and five were male. There were no hospital deaths but three late deaths. The cumulative survival rate was 100% at 5 years, 80% at 10 years and 60% at 15 years. Four patients required redo tricuspid valve replacement because of a thrombosed valve. The reoperation-free rate was 100% at 5 years, 78% at 10 years and 29% at 15 years. The data illustrated that patients who underwent tricuspid valve replacement with the St. Jude Medical valve should receive strict anticoagulation therapy.
ABSTRACT
Ischemic colitis is a serious complication of abdominal aortic surgery. Patients with bilateral internal iliac aneurysm have a high risk of ischemic colitis after operation. A 72-year-old man had infrarenal abdominal aneurysm, bilateral common and internal iliac aneurysm and an occluded right internal iliac artery. We examined the flow of the superior rectal artery during operation by transanal Doppler, and intramucosal pH of the sigmoid colon by a tonometer after operation. The flow of the superior rectal artery did not change after clamping of the left common iliac artery, clamp of the infrarenal aorta. He underwent uneventful abdominal aortic aneurysmectomy, Y-grafting and exclusion of bilateral internal iliac aneurysms. The intramucosal pH of the sigmoid colon returned to the normal range 25h after surgery. He had no complications after surgery. Transanal Doppler examination was essential for the successful prevention of postoperative colonic ischemia, and intestinal intramural pH by tonometry was an early reliable marker of the absence of ischemic colitis.
ABSTRACT
From 1982 to March 1999, 276 St. Jude Medical prostheses were implanted in aortic position. Of the 276 patients, 6 (2.2%) required redo aortic valve replacement due to aortic stenosis. The peak velocity measured by continuous-wave Doppler echocardiography ranged from 3.5 to 5.4m/sec with mean of 4.55m/sec. Aortic stenosis was attributable to pannus formation in 3 patients, valve thrombosis in 1 patient, and prosthesis-patient mismatch in 2 patients. The prostheses of patients with pannus formation were implanted in valve orientation parallel to the septum. It is therefore considered that the St. Jude Medical prosthesis should be implanted perpendicular to the septum in the aortic position and that careful follow-up observation of the patients should be made, particularly with echocardiography.
ABSTRACT
During a period of 5 years from January 1991 to December 1995, one-stage operation was performed on 10 cases with ischemic heart and occlusive peripheral vascular disease, excluding cases combined with AAA (abdominal aortic aneurysm). They were composed of 7 men and 3 women whose mean age at time of surgery was 65.8 years. The mean number of coronary artery bypass grafts made was 2.2. The procedures employed for occlusive peripheral vascular disease were TEA (thromboendarterectomy) of the internal carotid artery in 2 cases, aorta-subclavian bypass in 2 cases, aorta-bilateral common iliac artery bypass in 1 case, interposition of the common iliac artery in 1 case, aorta-external iliac artery bypass in 1 case, F-P (femolo-popliteal) bypass in 3 cases (4 bypasses), and F-T (femolo-tibial) bypass in 1 case. Mean operation time was 428 minutes, mean extracorporeal circulation time was 121 minutes, and mean aortic cross-clamp time was 61 minutes. Blood transfusion was not made in 4 cases. There was one operative death in a case of MNMS (myonephropatic metabolic syndrome) with emergency IABP (intraaortic balloon pumping) insertion following complication of PMI (perioperative myocardial infarction). A comparative study was made with 183 non-emergency cases of CABG (coronary artery bypass graft) conducted during the same period. Operation time was longer in cases of one-stage operation, but no significant difference was observed in operative mortality rate, rate of cases not requiring blood transfusion, days of intubation, and postoperative hospitalization duration. The surgical procedure was relatively safe.