نتایج جستجو برای: hemodialysis extracorporeal circulation system
تعداد نتایج: 2341811 فیلتر نتایج به سال:
OBJECTIVE To assess the immediate postoperative period of patients undergoing myocardial revascularization without extracorporeal circulation with different types of grafts. METHODS One hundred and twelve patients, 89 (79.5%) of whom were males, were revascularized without extracorporeal circulation. Their ages ranged from 39 to 85 years. The criteria for indicating myocardial revascularizati...
Perfusionists require a detailed understanding of a patient's physiological status while comprehending the mechanics and engineering of the cardiopulmonary bypass system, so it is beneficial for them to obtain relevant practical skills using extracorporeal circulation technology and educational physiological simulators. We designed a perfusion simulator system (ECCSIM: Extracorporeal Circulatio...
Considerable amounts of heat may be lost or gained through the extracorporeal circuit during hemodialysis and influence the hemodynamic stability of the dialysis patient. The effects of two levels of extracorporeal heat flux (Jtherm in W) on blood pressures and ultrafiltration-induced blood volume changes were studied in eight patients on conventional hemodialysis. Treatments were controlled au...
Multiple myeloma (MM) is a malignancy with excessive production of monoclonal proteins. At disease presentation 30% of MM patients have significant renal impairment which may progress to renal failure requiring dialysis. Besides chemotherapy extracorporeal elimination procedures such as plasma exchange have been applied as adjuvant strategies to eliminate free light chains from circulating bloo...
Studies were undertaken to determine whether deoxyribonuclease I, (DNase I) once immobilized on activated nylon microspheres, would be capable of degrading circulating DNA in vitro and in vivo in an extracorporeal circulation system in dogs. Nylon microspheres were prepared and after gentle hydrolysis and glutaraldehyde treatment, demonstrated a retention of up to 4.73 mg of Dnase I. In vitro s...
______________ _ Extracorporeal circulation has recently expanded outside the realm of the traditional cardiac procedures. Extracorporeal circulation and cardiopulmonary bypass has expanded to include: left and right heart long and short term support, systemic and regional hyperthermic perfusion for cancer therapy, systemic rewarming for hypothermia victims due to exposure, repair of aortic tea...
PURPOSE The purpose of this study was to evaluate the effect of different surgical variables, such as perfusion duration and number of grafts, on resistance and reactance, in heart surgery patients. METHODS 77 patients submitted to coronary artery bypass were studied. The variable concerning time of extracorporeal circulation was classified in four progressive degrees. Resistance and reactanc...
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