نتایج جستجو برای: late implanted
تعداد نتایج: 222787 فیلتر نتایج به سال:
In the present study, effect of interfacial roughness on the ion implanted Tantalum based surfaces has been investigated. The argon ions with energy of 30 keV and in doses of 1×1017 , 3×1017 , 5×1017 , 7×1017 , and 10×1017 (ion/cm2) have been used at ambient temperature. The Atomic Force Microscopy (AFM), analysis have been used to study and characterize the surfaces morphology. The effect of ...
BACKGROUND Encapsulating peritoneal sclerosis (EPS) is the most severe complication associated with long-term peritoneal dialysis (PD). Previous studies noticed a sharp decline in new patients with severe EPS. We investigated the number of severe EPS patients in our large referral center over almost 20 years. METHODS All late-stage EPS patients who underwent major surgery due to extensive sym...
introduction: speech intelligibility, the ability to be understood verbally by listeners, is the gold standard for assessing the effectiveness of cochlear implantation. thus, the goal of this study was to compare the speech intelligibility between normal-hearing and cochlear-implanted children using the persian intelligibility test. materials and methods: twenty-six cochlear-implanted childre...
INTRODUCTION AND OBJECTIVES A unique property of self-expanding stents is the continuous force exerted against the vessel wall, which may induce additional arterial damage with implications on restenosis. The main purpose of this study is to evaluate the consequences of late self-expansion of coronary Wallstents. METHODS Eleven patients with Wallstents implanted in native coronary arteries, i...
Drug-eluting stents may affect the normal healing process of the vessel wall and the remodeling process and may lead to late stent malapposition (LSM). The known incidence of this phenomen originates from short-term angiographic follow-up studies. We describe a case report of very late stent malapposition and marked positive vessel remodeling 3 years after sirolimus-eluting coronary stent impla...
OBJECTIVE To assess the long term performance of the Wessex porcine bioprostheses implanted in a consecutive series of patients. DESIGN A retrospective case series. PATIENTS Between January 1985 and July 1991, 184 Wessex bioprostheses (78 mitral, 102 aortic, and 4 tricuspid) were implanted in 150 patients. The patients were 55% (83/150) male and 45% (67/150) female; mean age was 60 (SD 10) ...
PURPOSE The principal aim of this study is to analyze the incidence of late complications in oncologic patients with totally implanted central venous access ports. METHODS A prospective multicenter observational study was conducted in 26 Italian oncologic outpatient clinics. 1076 cancer patients with Totally Implanted Central Venous Access Ports (TIAP) were observed. 515 devices were observed...
As we move to developing object-oriented programs, the complexity traditionally found in functions and procedures is moving to the connections among components. Different faults occur when components are integrated to form higher level structures that aggregate behavior and state. Consequently, we need to place more effort on testing the connections among components. Although object-oriented te...
nanotechnology has opened up new opportunities for the design of nanoscale electronic devices suitable for developing high-performance biofuel cells. glucose-based biofuel cells as green energy sources can be a powerful tool in the service of small-scale power source technology as it provides a latent potential to supply power for various implantable medical electronic devices. by using physiol...
Intrinsic structural failure of Dacron prostheses is a late exceptional complication, resulting from a loss of structural integrity of the graft. The authors report six cases of non-anastomotic false aneurysms in the mid-portion of a vascular Dacron graft, observed at a mean of 12 years after insertion. It concerns four femoro-popliteal bypass grafts, one cross-over graft and a branch of a bifu...
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