نتایج جستجو برای: prosthetic valve
تعداد نتایج: 120985 فیلتر نتایج به سال:
BACKGROUND Pannus formation may disturb the leaflet movement of the prosthetic valve. CASE PRESENTATION A 61-year-old woman presented with exertional dyspnea. She had undergone mitral valve replacement with a bioprosthetic valve 31 years ago, which was replaced with a tilting disc valve 22 years ago. The present laboratory findings revealed hemolytic anemia. Echocardiography showed an increas...
We present a 55-year-old female patient who underwent burr-hole drainage due to chronic subdural hematoma, with obstructive prosthetic aortic valve dysfunction. Anesthetic management of a patient with severe obstructive prosthetic aortic valve dysfunction can be challenging. Similar considerations should be given to patients with aortic stenosis with an additional emphasis on thrombotic complic...
Approximately 85,000 valve substitutes are implanted in the United States and 275,000 worldwide each year, of which approximately half are mechanical valves and half are bioprosthetic valves. Despite the marked improvements in prosthetic valve design and surgical procedures over the past decades, valve replacement is not a panacea for the patient. Instead, native valve disease is traded for pro...
A 60-year-old man underwent aortic valve replacement with a bileaflet mechanical valve for aortic regurgitation and mitral valve repair using a prosthetic ring for mitral regurgitation (MR). Intraoperative transesophageal echocardiography (TEE) confirmed no residual MR and a normally functioning aortic prosthetic valve without a paravalvular leak. One week after the operation, transthoracic ech...
Two factors changed the clinical course of infective endocarditis dramatically: 1) The discovery and evolution of techniques for identifying and treating its microbiologic causes and 2) Valvular surgery. We retrospectively evaluated 43 (33.5%) patients (8 female, 35 male) from 4 to 65 years old of 128 patients with infective endocarditis who underwent surgical intervention. Indication for surge...
There are only a few cases of prosthetic valve endocarditis (PVE) following transcatheter aortic valve implantation (TAVI) reported in the literature. Though not very frequent, this is a serious concern because patients are high risk for surgical aortic valve replacement (SAVR) by definition, and explanting the endocarditic prosthetic valve followed by SAVR increases risk even higher.
AIMS The aim of the study was to evaluate the long-term results of allograft and prosthetic valve replacement in the treatment of infective aortic valve endocarditis with periannular abscess. METHODS Between March 1988 and March 1996, 65 patients underwent surgery for active aortic valve endocarditis and paravalvular abscess. The indications for surgery were congestive heart failure, systemic...
INTRODUCTION AND OBJECTIVES Little is known about the prognosis of infective endocarditis in women. The objective of this study was to determine the clinical characteristics and prognosis of infective endocarditis in women diagnosed with the condition at our center during the last 20 years. METHODS Comparative analysis of 288 patients diagnosed with infective endocarditis between 1987 and 200...
Prosthetic heart valve (PHV) replacement replaces a heart disease with another one. There is no ideal prosthetic heart valve. All of the prosthetic heart valves need to be followed by caution. PHV diseases (PHVD) includes a group of pathologic processes like prosthetic valve obstruction, thromboembolism and regurgitation. Correct diagnosis and treatment of these pathologic situations will decre...
Fifty eight patients (aged 8-59 years, mean 27) treated for prosthetic valve endocarditis from January 1966 to January 1985 were studied retrospectively by review of case notes. There were 12 cases of early and 46 cases of late prosthetic valve endocarditis. These developed in 28 patients with an isolated aortic valve, in 26 with an isolated mitral valve, and in four with both aortic and mitral...
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