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1.
Japanese Journal of Cardiovascular Surgery ; : 149-156, 2017.
Article in Japanese | WPRIM | ID: wpr-379318

ABSTRACT

<p><b>Objectives</b> : Many reports have investigated the work environment of physicians and reported the association between work environment, burnout, and the quality of medical care. We aimed to determine the key to improving the work environment by analyzing the results of a Japanese survey for young cardiovascular surgeons. <b>Methods</b> : A survey on work environment was performed among the young members of The Japanese Society for Cardiovascular Surgery (≤40 years of age) to measure their job satisfaction for 9 items : operation, perioperative work, number of hours working or sleeping, board affairs (application or renewal of board certification), motivation, salary, days off, quality of life, and mental status. Univariate and multivariate analyses using 16 factors for the work environment (age, number of years in practice, gender, subspecialty, board certification in surgery, board certification in cardiovascular surgery, primary practice hospital, workdays and nights on duty in a primary practice setting, workdays and nights on duty outside primary practice, total annual income, overtime work hours, overtime entitlement, gap in overtime work and entitlement, and presence of an intensive care unit [ICU] managed by ICU physicians) were performed to identify the risk factors for dissatisfaction. <b>Results</b> : The survey was completed by 327 of 1,304 (25.1% response rate) young members of the Japanese Society for Cardiovascular Surgery. The respondents had an average of 8.5±3.5 years in practice, and 292 (89.3%) respondents were male. Only 14.2% of the responding young surgeons reported no dissatisfaction in any items. In all items, the young surgeons were most satisfied with operation (34.6% of all responders). Age, years in practice, female gender, board certification in surgery, working at a university hospital, workdays in a primary practice setting, and workdays outside a primary practice setting were identified as significant factors for dissatisfaction, while a subspecialty in vascular surgery, total annual income, board certification in cardiovascular surgery, and the presence of an ICU managed by ICU physicians were identified as significant factors against dissatisfaction in the work environment. <b>Conclusions</b> : Our analyses of the survey results identified a number of risk factors for dissatisfaction in the work environment among young cardiovascular surgeons. Regarding the quality of medical care, respondents hoped for a reduced burden on surgeons and the establishment of a work-shift system in the cardiovascular department and an interdisciplinary team including an ICU physician. Multidimensional analyses including job satisfaction, rewards as training, and a quantitative evaluation of the quality of medical care will be necessary to clarify the corresponding relationship between consumers and providers of cardiovascular surgery in the work environment.</p>

2.
Japanese Journal of Cardiovascular Surgery ; : 299-303, 2012.
Article in Japanese | WPRIM | ID: wpr-362969

ABSTRACT

A 69-year-old woman had syncope and aphasia. Magnetic resonance imaging showed multiple cerebral infarctions in both hemispheres. Cardiogenic embolisms were suspected, but no arrhythmic causes were shown. Transesophageal echocardiography revealed a highly calcified mitral annulus (MAC) with a rough intraluminal surface and mild mitral regurgitation, but no thrombus or tumor in the left heart system. However, recurrent multiple cerebral embolisms occurred in spite of strict anticoagulation therapy. We speculated that spontaneous rupture of the MAC was the cause of the scattered cerebral embolisms, and we therefore planned to remove the MAC as safely as possible and to endothelialize the deficit of MAC with autologous pericardium. Operative findings revealed that the MAC in P2-P3 had ruptured longitudinally and the ostium of the left atrium was connected to the ostium of the left ventricle as an inter-atrioventricular tunnel beneath the posterior mitral annulus with a fragile calcified wall. The finding suggested that calcified particles that had peeled away from the MAC by normal heart beating resulted in the cerebral infarctions. Therefore, she underwent resection of the MAC and mitral valve replacement with reinforcement of the decalcified posterior mitral annulus between the posterior left ventricular wall and the left atrial wall using autologous pericardium, which enabled both appropriate insertion of a mechanical prosthetic valve and endothelial continuity covering the surface of the residual MAC. No systemic embolism has occurred for two and a half years after surgery. This is the first case report of cerebral embolism caused by a spontaneously ruptured MAC.

3.
Japanese Journal of Cardiovascular Surgery ; : 94-97, 2011.
Article in Japanese | WPRIM | ID: wpr-362070

ABSTRACT

A 24-year-old woman underwent successful repair of a traumatic pseudoaneurysm of the aortic isthmus concomitant with right diaphragmatic hernia which developed after a traffic accident, and the steering wheel of the crashed car was considered responsible for both lesions. Due to the right diaphragmatic hernia, she could breathe mainly with the left lung only. The aortic isthmus aneurysm was considered to be a pseudoaneurysm, and because of the potential risk of rupture, we performed urgent aortic surgery. Prior to a left thoracotomy, we anastomosed an 8-mm prosthetic graft to the right axillary artery. When the left lung was collapsed in order to perform a femoro-femoral bypass, the SpO<sub>2</sub> level of her right index finger and her cerebral rSO<sub>2</sub> markedly decreased. Therefore, we administered additional perfusion via the right axillary artery, which provided sufficient oxygen to the upper body and brain. The patient underwent Marlex mesh reinforcement of the right diaphragmatic hernia 30 days after grafting, and is doing well 1 year postoperatively.

4.
Japanese Journal of Cardiovascular Surgery ; : 29-33, 2010.
Article in Japanese | WPRIM | ID: wpr-361969

ABSTRACT

A 48-year-old man with Buerger disease and intractable finger ulcers underwent successful transplantation of autologous peripheral blood-derived mononuclear cells pretreated with erythropoietin and blood donation to activate bone marrow function. Clinical symptoms on his finger ulcers improved significantly within 1 month after mononuclear cell transplantation, however, one of the intractable ulcers reappeared 2 months later. In total three transplantations were performed. Every cell transplantation revealed similar effectiveness 1 month later, and the interval of the subsequent disappearance of finger ulcers ranged from 3–6 months. There were no adverse effects based on this new therapy. These findings suggest that autologous peripheral mononuclear cell transplantation pretreated with erythropoietin and blood donation might be a non-invasive and safe alternatives for patients with Buerger disease and intractable finger ulcers.

5.
Japanese Journal of Cardiovascular Surgery ; : 160-164, 2009.
Article in Japanese | WPRIM | ID: wpr-361909

ABSTRACT

A 71-year-old man who had been on peritoneal dialysis for 6 years was referred to our hospital for renal transplantation from a living donor. Preoperative echocardiography revealed diffuse severe hypokinesis, a left ventricular ejection fraction (LVEF) of 25%, and a pedicled floating mass in the right atrium. He had not exhibited positive symptoms of active endocarditis or metastatic malignant tumor, and the causes of cardiomyopathy seemed to be uremic and/or ischemic factors. Renal transplantation was postponed, and the extirpation of the mass in the right atrium was scheduled. LVEF improved to 48% 2 months following the induction of hemodialysis before the cardiac operation. Pathohistological findings of the extirpated intra-atrial mass showed sphachelus and fibrotic thrombus, which meant asymptomatic healed infective endocarditis. He recovered uneventfully, and underwent a living renal transplantation from living donor 5 months after the cardiac operation. LVEF further improved better to 56%, and his performance status was remarkably improved. These results imply that renal transplantation and hemodialysis in peritoneal dialysis patients with uremic cardiomyopathy can achive improvement of cardiac function and enable a safe cardiac operation.

6.
Japanese Journal of Cardiovascular Surgery ; : 40-45, 1997.
Article in Japanese | WPRIM | ID: wpr-366273

ABSTRACT

Five patients with vascular graft infections were surgically treated over a 16-year period. Primary diseases were arteriosclerosis obliterans in 3 cases and invasion of malignant diseases in 2 cases. The most common site of infection was the groin (3 of 5). <i>Staphylococcus aureus</i> was the most common pathogen. Administration of antibiotics, drainage and lavage with povidone iodine solution were performed in 4 patients (40-64 days). All patients underwent graft resection and reconstruction. Infected parts of the previous grafts were removed. Total removal of the previous graft was performed in 2 cases and partial removal was performed in 3 cases. To avoid re-infection, long extra-anatomical bypass was performed in 4 cases. The post operative courses of the five patients were uneventful.

7.
Japanese Journal of Cardiovascular Surgery ; : 311-315, 1995.
Article in Japanese | WPRIM | ID: wpr-366152

ABSTRACT

From 1976 to 1993, 13 patients with high aortic occlusion were treated surgically. Bypass grafting from infrarenal abdominal aorta to the iliac or femoral arteries was performed in 9 patients, endarterectomy with patch angioplasty in 2, thrombectomy followed by straight graft replacement in 1 and bilateral axillo-femoral artery bypass grafting in 1. In 9 patients, femoro-popliteal run-off was determined by arteriography before or during operation. Occlusion of the femoral artery was detected in two patients, and femoro-popliteal bypass grafting was simultaneously performed with aortic revascularization. Two patients died in the early postoperative period (1: fulminant hepatitis, 1: cerebral infarction), and 4 patients died in the late postoperative period (2: ischemic heart disease, 1: cerebral bleeding, 1: malignant tumor). In one patient the iliac artery occluded 13 years after endarterectomy. All other patients showed patent grafts and satisfactory conditions. In cases of high aortic occlusion, late postoperative results were satisfactory after anatomical revascularization. Ischemic heart disease and cerebral vascular accident were important concerning late complications. Postoperative careful follow-up is necessary.

8.
Japanese Journal of Cardiovascular Surgery ; : 1-5, 1992.
Article in Japanese | WPRIM | ID: wpr-365751

ABSTRACT

During the past thirteen years, 75 patients (97 limbs) with femoropopliteal occulusive disease due to arteriosclerosis were treated by surgical reconstructions. The 75 patients consisted of 70 men and 5 women with an age range of 32-83 years (mean±SD: 65.9±9.6 years). Regarding the indications for operation, intermittent claudication was found in 46 patients (61%), rest pain in 24 patients (32%) and gangrene in 5 patients (7%). As the atherosclerotic risk factors, cigarette smoking and hypertension were present in high rates, and ischemic heart disease was complicated in 31.4%. Endarterectomy with vein angioplasty was performed for 31 limbs and bypass operation usually using EPTFE grafts was for 66 limbs. Cumulative patency rate at five years was 72.6% in endarterectomy group, and 48.1% in bypass group. At ten years, 72.6% and 36.1%. Comparisons of the patency rate between two technics, endarterectomy was significantly better than bypass oparation in late postoperative period. Endarterectomy is recommended as the treatment of choice for femoropopliteal occulusive disease, because of the long-term patency.

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