Cell adhesive and antifouling polyvinyl chloride surfaces via wet chemical modification.

abstract：:A surgical method for the implantation of a mechanical right ventricular assist device which avoids resternotomy/thoracotomy and related complications at the time of explantation is presented. In order to support the failing right heart, a Dacron vascular graft was sewn to the pulmonary artery. For venous drainage, a ...

journal_title：Artificial organs

authors： Schopka S,Haneya A,Rupprecht L,Camboni D,Schmid C,Hilker M

更新日期：2012-08-01 00:00:00

abstract：:Centrifugal pumps have been used widely as the main pump in open heart surgery to reduce damage to blood elements and to reduce the activation of the coagulation system. The purpose of this study was the evaluation and comparison of the effects of two types of centrifugal pumps and of one type of roller pump on blood ...

journal_title：Artificial organs

authors： Yoshikai M,Hamada M,Takarabe K,Okazaki Y,Yoshika M

更新日期：1996-05-01 00:00:00

abstract：:Plasma, in an amount corresponding to 0.05 gm fibrinogen/Kg of body weight, was administered during one hour to defibrinogenated dogs subjected to extracorporeal circulation. Four blood filters included in the extracorporeal circuit were removed one by one at 30-minute intervals. The prefilter pressures rose gradually...

journal_title：Artificial organs

authors： Berglin E,Hansson HA,William-Olsson G

更新日期：1979-02-01 00:00:00

abstract：:We report on the most recent data confirming the angiographic and pathological efficacy of LDL-apheresis for coronary atherosclerosis of a familial hypercholesterolemia (FH) patient using collected data of a large number of cases and especially of one autopsy case. Changes in coronary artery stenosis have been assesse...

journal_title：Artificial organs

authors： Koga N,Iwata Y,Yamamoto A

更新日期：1992-04-01 00:00:00

abstract：:Molecular biology has been moving swiftly toward clarifying the entire genome of organisms, including human. The human genome efforts that promote this transaction are characterized by the large-scale, high throughput production of data about the structure of the genome of the molecular level and its computer-assisted...

journal_title：Artificial organs

authors： Matsubara K

更新日期：1996-08-01 00:00:00

abstract：:Tissue-cultured bovine aortic endothelial cells were subjected to flow in an in vitro circulatory loop designed to simulate the flow and pressure conditions in the aorta. The cells were cultured under stationary conditions on tubes of fibronectin-coated Silastic or of Dacron velour. The tubes were then added to the fl...

journal_title：Artificial organs

authors： Eskin SG,Navarro LT,O'Bannon W,DeBakey ME

更新日期：1983-02-01 00:00:00

abstract：:EXTEND (EXTra-uterine Environment for Neonatal Development) is a novel system for supporting extremely premature infants that replicates in utero conditions by maintaining a sterile fluid environment and providing gas exchange via a pumpless arteriovenous oxygenator circuit connected to the umbilical vessels. Target g...

journal_title：Artificial organs

authors： Hornick MA,Mejaddam AY,McGovern PE,Hwang G,Han J,Peranteau WH,Partridge EA,Davey MG,Flake AW

更新日期：2019-12-01 00:00:00

abstract：:We studied 22 patients with residual pulmonary hypertension or symptoms of postoperative pulmonary hypertensive crisis. They received low-dose inhalation (10 ppm) of nitric oxide (NO), a selective pulmonary vasodilator, after total correction for congenital heart anomalies. Fifteen minutes of NO inhalation improved th...

journal_title：Artificial organs

authors： Matsui J,Yahagi N,Kumon K,Hayashi H,Watanabe Y,Haruna M,Tanigami H,Yagihara T,Takamoto S,Kamiya T

更新日期：1997-01-01 00:00:00

abstract：:An important present and emerging trend in biomaterials development is the synthesis of polymers which combine capabilities of biologic recognition ("biomimetic") with sensitivity to small environmental changes ("stimuli-responsive"). This short article highlights some of the many opportunities and challenges in this ...

journal_title：Artificial organs

authors： Hoffman AS

更新日期：1988-12-01 00:00:00

abstract：:Widespread use of heart transplantation is limited by the scarcity of donor organs. Total artificial heart (TAH) development has been pursued to address this shortage, especially to treat patients who require biventricular support. We have developed a novel TAH that utilizes a continuously spinning rotor that shuttles...

journal_title：Artificial organs

authors： Glynn J,Song H,Hull B,Withers S,Gelow J,Mudd J,Starr A,Wampler R

更新日期：2017-10-01 00:00:00

abstract：:A comparative assessment has been made regarding efficacy and safety of the double filtration plasmapheresis (DFPP), thermofiltration (TFPP), and low-density lipoprotein (LDL) adsorptive (PA) methods by making a crossover test on heterozygous familial hypercholesterolemia patients. Treatments by DFPP, TFPP (secondary ...

journal_title：Artificial organs

authors： Suzuki M,Yamane S,Matsugane T,Nobuto T,Azuma N,Nishide T,Shinomiya M,Saito K,Sasaki N,Nosé Y

更新日期：1996-04-01 00:00:00

abstract：:Using computed tomography (CT)-based preoperative planning software, we can define with good accuracy the position of a cementless hip stem inside the host bone, but previous studies suggest that the pose the surgeon achieves during freehand surgery may differ from the planned one even by some millimeters. Advances in...

journal_title：Artificial organs

authors： Reggiani B,Cristofolini L,Taddei F,Viceconti M

更新日期：2008-07-01 00:00:00

abstract：:Progress in the techniques for surgical implantation of the artificial heart has progressed in parallel with the technology and design of the prosthesis. In the author's first experience with total artificial heart (TAH) implantation (1968) a trans-sternal split was used opening the sixth intercostal space on the righ...

journal_title：Artificial organs

authors： Olsen DB,Fukumasu H,Kolff J,Nakagaki M,Finch LR,Kolff WJ

更新日期：1977-11-01 00:00:00

abstract：:Our study investigated the reliability of appearance of rapid atrial swirl flow (RASF) by ultrasonography (US) in the right atrium (RA), which occurred as a result of rapid isotonic saline infusion (RISI) into the central venous catheter (CVC), in predicting catheter tip position. This prospective observational study ...

journal_title：Artificial organs

authors： Yesilbas O,Sevketoglu E,Kihtir HS,Talip Petmezci M,Akcay N,Kocoglu Barlas U,Palabiyik F

更新日期：2018-12-01 00:00:00

abstract：:A review and analysis of 5,001 neonatal venoarterial (VA) extracorporeal membrane oxygenation (ECMO) cases showed that bacterial and fungal infection occurred in 147 (2.9%) and 26 (0.6%) patients, respectively, with an overall incidence of 3.5%. Bivariate analysis was used to compare infected infants with controls, ba...

journal_title：Artificial organs

authors： Douglass BH,Keenan AL,Purohit DM

更新日期：1996-03-01 00:00:00

abstract：:This article presents results from the field calculation in a model of biological tissue taking into account the electroporation process. The electroporation model used in this study was proposed and experimentally verified by Glaser et al. for planar membranes. The numerical method for field calculation is based on a...

journal_title：Artificial organs

authors： Ramos A

更新日期：2005-06-01 00:00:00

abstract：:We investigated biodegradation and biocompatibility of poly(organophosphazenes). We prepared poly(organophosphazenes) having different side chain groups. The blood compatibility of poly(organophosphazenes) containing fluorinated side groups, poly(bis[trifluoroethoxy]phosphazene) (PbFP) and poly([trifluoroethoxy][ethyl...

journal_title：Artificial organs

authors： Kawakami H,Kanezaki S,Sudo M,Kanno M,Nagaoka S,Kubota S

更新日期：2002-10-01 00:00:00

abstract：:The energy dissipated in blood or on a total artificial heart (TAH) chamber's elements directly or indirectly decreases the biological or technical safety of the TAH's work. The energetic analysis of the Polish total artificial heart (POLTAH) external work with the objective of estimating the valve and membrane roles ...

journal_title：Artificial organs

authors： Nawrat Z,Malota Z

更新日期：1998-10-01 00:00:00

abstract：:We have been developing some types of microcapsule suspensions with polyurethane membranes to evaluate the absolute hemolytic characteristics of the centrifugal blood pumps used in circulatory support devices such as artificial hearts. In order to facilitate/realize hemolysis testing on centrifugal blood pumps that ha...

journal_title：Artificial organs

authors： Maruyama O,Yamaguchi K,Nishida M,Onoguchi T,Tsutsui T,Jikuya T,Yamane T

更新日期：2008-02-01 00:00:00

abstract：:Solute clearance during high-flux hemodialysis is determined by the combined effects of solute convection and diffusion in the membrane, blood, and dialysate. Previous studies have focused almost entirely on the membrane transport phenomena, largely ignoring the potential contribution from bulk mass transport across t...

journal_title：Artificial organs

authors： Zydney AL

更新日期：1993-11-01 00:00:00

abstract：:For some time now researchers have argued the efficacy of pulsatile versus nonpulsatile hemodynamic support. Pulsatile systems, while providing a more physiological pumping source, are burdened with a multiparametric output function that can greatly affect the utility of such ventricular assist device (VAD) support. A...

journal_title：Artificial organs

authors： Mills TC,Ott RA

更新日期：1992-04-01 00:00:00

abstract：:Renal Solutions Allient Sorbent Hemodialysis System utilizes a two-chambered pneumatic pump (Pulsar Blood Pump, Renal Solutions, Inc., Warrendale, PA, USA) to avoid limitations associated with peristaltic pumping systems. Single-needle access is enabled by counter-pulsing the two pump chambers, thereby obviating compl...

journal_title：Artificial organs

authors： Shu F,Parks R,Maholtz J,Ash S,Antaki JF

更新日期：2009-04-01 00:00:00

abstract：:It is well known that the baroreflex system is one of the most important indicators of the pathophysiology in hypertensive patients. We can check the sensitivity of the baroreflex by observing heart rate (HR) responses; however, there is no simple diagnostic method to measure the arterial behavior in the baroreflex sy...

journal_title：Artificial organs

authors： Yambe T,Imachi K,Shiraishi Y,Yamaguchi T,Shibata M,Kameyama T,Yoshizawa M,Sugita N

更新日期：2009-09-01 00:00:00

abstract：:In bioartificial pancreatic systems, isolated islets of Langerhans are protected against immune rejection by an artificial membrane, permeable to glucose and insulin, but not to immunoglobulins and lymphocytes. Some of these devices, referred to as vascular systems, are set up to be connected to a vascular site in the...

journal_title：Artificial organs

authors： Lepeintre J,Briandet H,Moussy F,Chicheportiche D,Darquy S,Rouchette J,Imbaud P,Duron JJ,Reach G

更新日期：1990-02-01 00:00:00

abstract：:Modular hip prostheses are commonly used today. Dedicated surgical auxiliary instrumentation is indispensable. A correct coupling between the prosthesis and the instrument is necessary to avoid damage. Based on a specific commercial design (AnCAFit, Wright Cremascoli Ortho, Toulon, France), the aim of this work was to...

journal_title：Artificial organs

authors： Varini E,Cristofolini L,Viceconti M,Traina F

更新日期：2006-07-01 00:00:00

abstract：:The aim of this study was to assess the in vivo performance of a new microaxial rotary blood pump developed for long-term intraportal implantation. The pump, measuring 7 mm in diameter, has a single stage impeller and is powered by a microelectric motor. The pump was implanted into the portal vein in 13 large white pi...

journal_title：Artificial organs

authors： Havlík R,Kerkhoffs W,Jiao LR,Schumacher O,Reul H,Habib N

更新日期：2001-05-01 00:00:00

abstract：:In 1993, the development began of a small axial flow blood pump, the DeBakey ventricular assist device (VAD). The material was recently converted to a titanium alloy, and a waterproof pump package was incorporated for long-term intracorporeal circulation. Thirteen intrathoracic implantations in calves were achieved. N...

journal_title：Artificial organs

authors： Tayama E,Olsen DB,Ohashi Y,Benkowski R,Morley D,Noon GP,Nosé Y,Debakey ME

更新日期：1999-12-01 00:00:00

abstract：:Chitosan posttreatment has been shown to be effective in prevention of calcification of the glutaraldehyde treated bovine pericardium when implanted subdermally in rats for 12 weeks. The efficacy of chitosan posttreatment in complete calcium mitigation of the glutaraldehyde treated porcine aortic valves implanted in t...

journal_title：Artificial organs

authors： Chanda J,Kuribayashi R,Abe T,Sekine S,Shibata Y,Yamagishi I

更新日期：1997-05-01 00:00:00

abstract：:The effects of pyridoxalated hemoglobin polyoxyethylene conjugate (PHP) and other hemoglobin-related substances on arterial blood pressure (ABP) and heart rate (HR) were examined. Infusion of PHP and other hemoglobin-related substances elevated ABP and increased HR. The degree of the increase in ABP and HR did not dif...

journal_title：Artificial organs

authors： Kida Y,Maeda M,Iwata S,Iwashita Y,Goto K,Nishi K

更新日期：1995-02-01 00:00:00

abstract：:This study probed the changes of keratocytes cultured under simulated microgravity. Keratocytes were isolated from rabbit corneas using collagenase digestion method. Cells were seeded in a 55-mL capacity high-aspect-ratio vessel (HARV) of rotary cell culture system (RCCS) at a density of 1 x 10(4) cells/mL. Dehydrated...

journal_title：Artificial organs

authors： Chen J,Chen R,Gao S

更新日期：2007-09-01 00:00:00