Kinetics of group IB and IIA phospholipase A2 during low-volume continuous hemodiafiltration in severe acute pancreatitis.

abstract：:The DexAide right ventricular assist device (RVAD) has been developed to provide an implantable RVAD option to surgeons. The aim of this study was to determine the optimal cannula design and optimal implantation location of the DexAide RVAD in preparation for its clinical use. Separately, a HeartMate XVE left ventricu...

journal_title：Artificial organs

authors： Ootaki Y,Ootaki C,Kamohara K,Akiyama M,Cingoz F,Kopcak MW Jr,Dessoffy R,Liu J,Massiello A,Horvath D,Chen JF,Zhou Q,Benefit S,Golding LA,Fukamachi K

更新日期：2007-08-01 00:00:00

abstract：:In a controlled European multicenter study, clinical tolerance of subcutaneously administered recombinant human erythropoietin (rh-EPO) therapy and its influence on the course of illness in 362 hemodialyzed patients (162 males, 200 females) from 16 European dialysis centers was studied. Of these, 181 patients served a...

journal_title：Artificial organs

authors： Klinkmann H,Wieczorek L,Scigalla P

更新日期：1993-04-01 00:00:00

abstract：:Doppler ultrasound is a noninvasive technique for monitoring moving objects such as flowing blood while ignoring stationary objects such as shunt tubing. A Doppler system was investigated to determine its sensitivity in detecting particulate release in blood during hemodialysis. Seven hemodialysis procedures with dogs...

journal_title：Artificial organs

authors： Badylak SF,Ash SR,Thornhill JA,Carr DJ

更新日期：1984-05-01 00:00:00

abstract：:Replacing the renal excretion of low molecular weight proteins (LMWP) by extracorporeal dialysis (dialysis) treatment poses technological challenges. Hemodialyzers with sieving coefficients for LMWP that match or even exceed those of the glomerular membrane barrier are commercially available; however, the associated l...

journal_title：Artificial organs

authors： Glancey G

更新日期：2020-10-01 00:00:00

abstract：:The major problems with existing centrifugal pumps are leakage, mechanical trauma, and thrombus formation. In consideration of these problems, a new compact centrifugal pump system was developed. The purpose of this study was to evaluate the new centrifugal pump system clinically. Ten patients underwent open heart sur...

journal_title：Artificial organs

authors： Ninomiya J,Shoji T,Tanaka S,Ikeshita M,Ochi M,Yamauchi S,Yajima T,Yamauchi H,Sugimoto T,Aizawa T

更新日期：1994-09-01 00:00:00

abstract：:Aortic arch repair in newborns and infants has traditionally been accomplished using a period of deep hypothermic circulatory arrest. To reduce neurologic and cardiac dysfunction related to circulatory arrest and myocardial ischemia during complex aortic arch surgery, an alternative and novel strategy for cerebro-myoc...

journal_title：Artificial organs

authors： Hoxha S,Abbasciano RG,Sandrini C,Rossetti L,Menon T,Barozzi L,Linardi D,Rungatscher A,Faggian G,Luciani GB

更新日期：2018-04-01 00:00:00

abstract：:A method of creating multifocal ischemia in animals leading to left ventricular (LV) functional impairment is described. In a series of 10 mongrel dogs, electrodes were implanted in multiple branches of the coronary arteries. Subsequently, in seven animals, an 800-microA anodal current was applied for 3 h repeatedly o...

journal_title：Artificial organs

authors： Polanski J,Mandell G,Wasfie T,Freed PS,Yoshizu H,Stein PD,Sabbah HN,Kantrowitz A

更新日期：1984-11-01 00:00:00

abstract：:Aseptic loosening is the major cause of failure of hip implants after total hip arthroplasty. Stress shielding of the femur is known to be the principal factor involved in the aseptic loosening of hip implants. Solid stems are found to have a greater rigidity; therefore, they transfer less load proximally, which resul...

journal_title：Artificial organs

authors： Sivarasu S,Beulah P,Mathew L

更新日期：2011-06-01 00:00:00

abstract：:Changing financial incentives have strongly influenced dosing patterns of recombinant human erythropoietin (rHuEPO) since its introduction in 1989. Although guidelines for prescribing rHuEPO exist, the extent to which they are adhered to is unknown. Using a retrospective cohort observational study design, the factors ...

journal_title：Artificial organs

authors： Thamer M,Richard CM,Klinkmann J,Ivanovich P,Lang G,Cotter DJ

更新日期：2000-02-01 00:00:00

abstract：:To study the microvessels in bulbar conjunctiva, we conducted an experiment in goat with a pneumatically driven left heart bypass pump, which was replaced with an undulation pump-left ventricle assist device for 9 days. Three flow patterns were tested: complete pulsatile, continuous, and percentage of pulsatile. We st...

journal_title：Artificial organs

authors： Dobsák P,Novakova M,Baba A,Vasku J,Isoyama T,Saito I,Abe Y,Chinzei T,Imachi K

更新日期：2006-06-01 00:00:00

abstract：:The undulation pump total artificial heart (UPTAH) is a small implantable total artificial heart. As the UPTAH generates outflow and inflow at the same time, control of the UPTAH is very difficult. Therefore suitable control methods specifically for the UPTAH should be established. Various motor control, left-right fl...

journal_title：Artificial organs

authors： Saito I,Chinzei T,Abe Y,Ishimaru M,Mochizuki S,Ono T,Isoyama T,Iwasaki K,Kouno A,Baba A,Ozeki T,Takiura K,Tohyama T,Nakagawa H,Imachi K

更新日期：2003-01-01 00:00:00

abstract：:Patients receiving mechanical circulatory support often present with heightened inflammation and free radical production associated with pre-existing conditions in addition to that which is due to blood interactions with nonbiological surfaces. The aim of this experimental laboratory study was to assess the deformabil...

journal_title：Artificial organs

authors： McNamee AP,Horobin JT,Tansley GD,Simmonds MJ

更新日期：2018-02-01 00:00:00

abstract：:Methods to predict and control cardiac output (CO) accurately in total artificial heart (TAH) recipients have varied significantly in the last few decades. Early models exhibited minimal control mechanisms and involved fixed pumping parameters. Elaborate electromechanical systems that have recently evolved require int...

journal_title：Artificial organs

authors： White RK,Olsen DB

更新日期：1991-10-01 00:00:00

abstract：:Although it is now understood that trained skeletal muscle can generate enough steady-state power to provide significant circulatory support, there are currently no means by which to tap this endogenous energy source to aid the failing heart. To that end, an implantable muscle energy converter (MEC) has been construct...

journal_title：Artificial organs

authors： Trumble DR,Melvin DB,Byrne MT,Magovern JA

更新日期：2005-09-01 00:00:00

abstract：:The blood pressure changes induced by the intra-aortic balloon pump (IABP) are expected to create clinical improvement in terms of coronary perfusion and myocardial oxygen consumption. However, the measured effects reported in literature are inconsistent. The aim of this study was to investigate the influence of ische...

journal_title：Artificial organs

authors： Schampaert S,van Nunen LX,Pijls NH,Rutten MC,van Tuijl S,van de Vosse FN,van 't Veer M

更新日期：2015-11-01 00:00:00

abstract：:The insults sustained by transplanted livers (hepatectomy, hypothermic preservation, and normothermic reperfusion) could compromise hepatic function. Hydrogen sulfide (H₂S) is a physiologic gaseous signaling molecule, like nitric oxide (NO) and carbon monoxide (CO). We examined the effect of diallyl disulfide as a H₂S...

journal_title：Artificial organs

authors： Balaban CL,Rodriguez JV,Guibert EE

更新日期：2011-05-01 00:00:00

abstract：:Over the past several years, we have developed novel titanium-niobium-zirconium (Ti-Nb-Zr) alloys to address the long-term performance needs of orthopedic implants. The unique properties of these alloys also render them promising candidates for blood pumps. These properties include excellent biocompatibility in combin...

journal_title：Artificial organs

authors： Davidson JA,Daigle KP,Kovacs P

更新日期：1996-05-01 00:00:00

abstract：:A beta2-microglobulin (beta2M) selective adsorbent (Lixelle) for direct hemoperfusion has been used for the treatment of hemodialysis patients with the long-term complication of dialysis related amyloidosis (DRA), but there is no significant correlation between the serum level of beta2M and the occurrence of DRA. Infl...

journal_title：Artificial organs

authors： Tsuchida K,Takemoto Y,Nakamura T,Fu O,Okada C,Yamagami S,Kishimoto T

更新日期：1998-12-01 00:00:00

abstract：:The rotational axis of the centrifugal pump has some associated problems such as blood destruction and sealing between the axis and pump housing. To improve upon these deficits we have developed a new type of blood pump, the magnetic rotary pump (MRP). The MRP has an original design with no rotational axis and no impe...

journal_title：Artificial organs

authors： Naganuma S,Yambe T,Sonobe T,Kobayashi S,Nitta S

更新日期：1997-07-01 00:00:00

abstract：:Aseptic joint loosening is a key factor that reduces the life span of arthroplasty. There are currently few effective treatments for joint loosening except surgical revision. We explored the inhibitory effects of tumor necrosis factor (TNF)-alpha-targeted small interfering RNA (siRNA) on particle-induced inflammatory ...

journal_title：Artificial organs

authors： Qin CQ,Ding Y,Huang DS,Xu J,Ma RF,Huang JB

更新日期：2011-07-01 00:00:00

abstract：:We developed a new left ventricular (LV) assist catheter (transaortic valve from LV to femoral artery) that is implemented percutaneously and exerted as a synchronous pulsatile partial LV flow support with conventional intraaortic balloon pump (IABP) driving system and centrifugal pump system. We investigated whether ...

journal_title：Artificial organs

authors： Ide H,Yamaguchi A,Ino T,Matsumoto H,Fujimasa I

更新日期：1992-06-01 00:00:00

abstract：:Right ventricular (RV) function immediately after left ventricular assist device (LVAD) implantation is a crucial prognostic factor. RV failure is linked to increased mortality and worse outcome. A phosphodiesterase 5 inhibitor, sildenafil, was shown to decrease pulmonary vascular resistance and pulmonary artery press...

journal_title：Artificial organs

authors： Hamdan R,Mansour H,Nassar P,Saab M

更新日期：2014-11-01 00:00:00

abstract：:Experimental studies on the effects of scaling on the performance of centrifugal blood pumps were conducted in a closed-loop test rig. For the prototype, eight different impellers of the same outer diameter of 25 mm were tested at 1,500, 2,000, and 2,500 revolutions per minute (rpm) using blood analog as fluid medium....

journal_title：Artificial organs

authors： Wong YW,Chan WK,Yu SC,Chua LP

更新日期：2002-11-01 00:00:00

abstract：:Fibroblast cell culture was performed to evaluate cell adhesion and cell morphology on novel hydrolyzable copolymers composed of poly(D,L-lactic acid) (PDLA) macromonomer, 2-methacryloyloxyethyl phosphorylcholine (MPC), and n-butyl methacrylate. The copolymers were used as cell culture materials for regulating the int...

journal_title：Artificial organs

authors： Watanabe J,Ishihara K

更新日期：2003-03-01 00:00:00

abstract：:In this study, we have developed an implantable electronics unit (IEU) for driving an undulation pump-left ventricular assist device (UP-LVAD). The IEU consists of a pump driver, three series-connected lithium ion batteries (1800 mAh), a charger, and a transcutaneous information transmission system. These electronic s...

journal_title：Artificial organs

authors： Okamoto E,Makino T,Inoue Y,Tanaka S,Yasuda T,Nakamura M,Saito I,Abe Y,Chinzei T,Isoyama T,Mochiizuki S,Imachi K,Mitamura Y

更新日期：2006-05-01 00:00:00

abstract：:Short-term diabetes was induced in male Wistar rats with streptozotocin injection. The effects of diabetes on latissimus dorsi (LD) muscle contractile and biochemical properties and acute cardiomyoplasty (CDM) were assessed and compared with data from 16 control rats. Isometric force, contractile properties, and fatig...

journal_title：Artificial organs

authors： De Angelis K,Senna S,Irigoyen MC,Cestari IA

更新日期：2004-04-01 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：:Pharmacologic agents and other non-protein-bound compounds smaller than 5,000 daltons have the potential to be removed by continuous arteriovenous hemofiltration (CAVH). A proposed method for estimating drug clearance by CAVH (ClCAVH) equates ultrafiltrate clearance to the product of the sieving coefficient and the av...

journal_title：Artificial organs

authors： Horton MW,Godley PJ,Moore ES,Fineg J,Gillespie WR

更新日期：1990-12-01 00:00:00

abstract：:Neurological morbidity is a major concern in pediatric cardiac surgery. Cardiopulmonary bypass is one of the few modifiable factors affecting neurodevelopmental outcome. This study aimed to measure the incidence of abnormalities apparent by magnetic resonance imaging (MRI) after neonatal arterial switch operation usin...

journal_title：Artificial organs

authors： Durandy Y,Rubatti M,Couturier R,Rohnean A

更新日期：2011-11-01 00:00:00

abstract：:To assess the influence of hydration state on plasma volume (PV) changes during ultrafiltration, 11 clinically normhydrated patients on maintenance hemodialysis were studied intraindividually during 2 hydration states differing by 2-15% of lean body mass (LBM). Plasma volume was measured continually during a 15-min ul...

journal_title：Artificial organs

authors： Wizemann V,Leibinger A,Mueller K,Nilson A

更新日期：1995-05-01 00:00:00