Selective removal of circulating immune complexes from patient plasma.

abstract：:The therapy of terminal heart failure with left ventricular assist devices has become a standard in cardiac surgery. Yet the surgical implantation technique is not standardized and differs from center to center. Complications associated with left ventricular assist device (LVAD) inflow cannula placement are thrombosis...

journal_title：Artificial organs

authors： Hanke JS,Krabatsch T,Rojas SV,Deniz E,Ismail I,Martens A,Shrestha M,Haverich A,Netuka I,Schmitto JD

更新日期：2017-03-01 00:00:00

abstract：:Aortic wall thinness was one of the most characteristic changes observed in experimental animals under prolonged continuous flow left heart bypass. The goal of this study was to determine the roles of smooth muscle cells in the vascular remodeling process in cases demonstrating aortic wall thinness under prolonged con...

journal_title：Artificial organs

authors： Mizuno T,Nishinaka T,Ohnishi H,Tatsumi E,Tsukiya T,Oshikawa M,Shioya K,Takewa Y,Homma A,Takano H,Kitamura S,Taenaka Y

更新日期：2003-10-01 00:00:00

abstract：:We were encouraged to investigate the reasons for large amounts of foam observed in bloodlines during hemodialysis (HD). Foam was visible in the venous air trap within the Artis Gambro dialysis device. Estimates of the extent of foam were graded (0-no foam, 10-extensive foam) by two persons that were blind to the type...

journal_title：Artificial organs

authors： Jonsson P,Lindmark L,Axelsson J,Karlsson L,Lundberg L,Stegmayr B

更新日期：2018-05-01 00:00:00

abstract：:In this study, we investigated the differences between pulsatile cardiopulmonary bypass (CPB) procedure and nonpulsatile CPB procedure in terms of their effects on hemolysis and deformability of red blood cells (RBCs) under various shear stress conditions. In order to research the effects on hemolysis and deformabilit...

journal_title：Artificial organs

authors： Kang YJ,Kim MG,Son KH,Lim CH,Son HS,Yoon SY,Kwon HS,Yang S

更新日期：2010-04-01 00:00:00

abstract：:This study aimed to clarify the role of peritoneal T-lymphocytes in peritoneal immune defense mechanisms. This study was designed to examine the changes in T-cell subpopulations during peritonitis in patients treated with continuous ambulatory peritoneal dialysis (CAPD). Our observations were correlated to responses t...

journal_title：Artificial organs

authors： Griveas I,Fleva A,Karanikas E,Gogos K,Sakellariou G

更新日期：2009-12-01 00:00:00

abstract：:We tried to verify the hypothesis that increases in pump flow during diastole are matched by decreases in left ventricular (LV) output during systole. A calf (80 kg) was implanted with an implantable centrifugal blood pump (EVAHEART, SunMedical Technology Research Corp., Nagano, Japan) with left ventricle to aorta (LV...

journal_title：Artificial organs

authors： Akimoto T,Litwak KN,Yamazaki K,Litwak P,Kihara SI,Tagusari O,Yamazaki SI,Kameneva MV,Watach MJ,Umezu M,Tomioka J,Kormos RL,Koyanagi H,Griffith BP

更新日期：2001-09-01 00:00:00

abstract：:Improvements in implantable ventricular assist device (VAD) performance will be required to obtain patient outcomes that are comparable with those of heart transplantation. The HeartQuest VAD (WorldHeart, Oakland, CA, U.S.A.) is an advanced device, with full magnetic suspension of the rotor, designed to address specif...

journal_title：Artificial organs

authors： Bearnson GB,Jacobs GB,Kirk J,Khanwilkar PS,Nelson KE,Long JW

更新日期：2006-05-01 00:00:00

abstract：:Total hip arthroplasty (THA) can be achieved by using a cemented or noncemented prosthesis. Besides patient's age, weight, and other clinical signs, the evaluation of the quality of the bones is a crucial parameter on which orthopedic surgeons base the choice between cemented and noncemented THA. Although bone density...

journal_title：Artificial organs

authors： Gargiulo P,Pétursson T,Magnússon B,Bifulco P,Cesarelli M,Izzo GM,Magnúsdóttir G,Halldórsson G,Ludvigsdóttir GK,Tribel J,Jónsson H Jr

更新日期：2013-06-01 00:00:00

abstract：:This work describes the preparation and characterization of anionic collagen composites with rhamsan and vinylidene fluoride-trifluorethylene with improved rheological and dielectric properties without loss of collagen secondary structure with an interaction occurring between both macromolecules of the composites. On ...

journal_title：Artificial organs

authors： Goissis G,Piccirili L,Goes JC,de Guzzi Plepis AM,Das-Gupta DK

更新日期：1998-03-01 00:00:00

abstract：:Continuous and intermittent high shear were loaded to red blood cells in a cone and a plate rheoscope. The mechanical damage to red cells was compared for continuous and intermittent shear. The intermittent shear was achieved by alternately starting and stopping shear repeatedly. In the case of intermittent shear load...

journal_title：Artificial organs

authors： Mizunuma H,Sakai S

更新日期：2007-06-01 00:00:00

abstract：:A pseudo-one compartment model has been proposed to describe phosphorus kinetics during hemodialysis and the immediate post-dialysis period. This model assumes that phosphorus mobilization from tissues is proportional to the difference between the pre-dialysis serum concentration (a constant) and the instantaneous ser...

journal_title：Artificial organs

authors： Leypoldt JK,Agar BU,Cheung AK,Bernardo AA

更新日期：2017-11-01 00:00:00

abstract：:Following implantation of a left ventricular assist device (LVAD), acceptable functional performance is now being achieved; however, peak VO2 and peak work load (watts) remain considerably limited. Maximum physical capacity is essentially dependent on generated cardiac output (CO) and arteriovenous oxygen difference (...

journal_title：Artificial organs

authors： Schmidt T,Bjarnason-Wehrens B,Mommertz S,Hannig M,Schulte-Eistrup S,Willemsen D,Reiss N

更新日期：2018-07-01 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：:Cardiomyoplasty has been proposed as an alternative surgical treatment for congestive heart failure. The girdling effect of the muscle wrap is believed to reduce diastolic wall stress. We tested the hypothesis that nonstimulated or passive cardiomyoplasty (CDM) would reduce hemodynamic deficits in rats with experiment...

journal_title：Artificial organs

authors： De Angelis K,Leirner AA,Irigoyen MC,Cestari IA

更新日期：2001-11-01 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：:To elucidate the precise mechanism of carpal tunnel syndrome (CTS), serum hyaluronic acid (HA), interleukin-1 beta (IL-1 beta), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-alpha) were measured in 71 chronic hemodialysis patients with or without CTS and/or shoulder pain. Patients were divided into two gr...

journal_title：Artificial organs

authors： Takasu S,Takatsu S,Kunitomo K,Kokumai Y

更新日期：1994-06-01 00:00:00

abstract：:A rise in intracellular calcium concentration in erythrocytes has multiple effects on these cells. The purpose of this study was to determine the changes of calcium content in red blood cells (RBCs) and of echinocyte percentages in uremic patients during hemodialysis sessions. In 30 uremic patients under hemodialysis,...

journal_title：Artificial organs

authors： Agroyannis B,Kopelias I,Fourtounas C,Paraskevopoulos A,Tzanatos H,Dalamangas A,Mallas E

更新日期：2001-06-01 00:00:00

abstract：:Bicarbonate balance is usually calculated from the Henderson-Hasselbalch equation under the assumption that pK is constant. To evaluate the pK variability and its effects on bicarbonate computed with autoanalyzers in dialysis patients, we studied 44 patients on maintenance hemodialysis. The pH, PCO2, total CO2, and pK...

journal_title：Artificial organs

authors： Santoro A,Ferrari G,Spongano M,Cavalli F,Zucchelli P

更新日期：1987-12-01 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：:This is a revision of the IDE Application Form, "How to Comply with the Food and Drug Administration's New 'Investigational Device Exemption (IDE)' Regulations, Including an Application Form" originally published in Artificial Organs, Volume 4, Number 4, November 1980. This publication updates the IDE application form...

journal_title：Artificial organs

authors：

更新日期：1982-02-01 00:00:00

abstract：:In this study, a detection algorithm for suction and regurgitation of the centrifugal pump during left heart bypass without relying on external flow or pressure sensors was developed and evaluated in acute studies using adult goats. The detection scheme relies on power spectral density (PSD) analysis of the motor curr...

journal_title：Artificial organs

authors： Yuhki A,Hatoh E,Nogawa M,Miura M,Shimazaki Y,Takatani S

更新日期：1999-06-01 00:00:00

abstract：:Early in 1956, the first model of a biological artificial liver, using a live dog's liver incorporated in a cross-hemodialyzer, was placed in an experimental animal with portocaval encephalopathy. This "biological artificial liver," a hybrid artificial liver in the present terminology, was the first in the world. In O...

journal_title：Artificial organs

authors： Hori M

更新日期：1986-06-01 00:00:00

abstract：:Clinically, the percutaneous transcatheter aortic valve (TAV) has been reported to be deformed in a noncircular configuration after its implant. The deformation is universal and various, and it leads to serious leakage and durability problems. Even in the same deformation, the leaflets made in different tissue thickne...

journal_title：Artificial organs

authors： Feng W,Yang X,Liu Y,Fan Y

更新日期：2017-08-01 00:00:00

abstract：:Thousands of ventricular assist devices (VADs) currently provide circulatory support to patients worldwide, and dozens of heart pump designs for adults and pediatric patients are under various stages of development in preparation for translation to clinical use. The successful bench-to-bedside development of a VAD inv...

journal_title：Artificial organs

authors： Throckmorton AL,Patel-Raman SM,Fox CS,Bass EJ

更新日期：2016-06-01 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：: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：:We aimed to evaluate the timing of preoperative intra-aortic balloon pump (IABP) placement and outcomes in patients undergoing off-pump coronary artery bypass grafting (OPCAB). Patients with prophylactic IABP placement before OPCAB presenting between January 1, 2010 and December 31, 2013 were included. Patients were c...

journal_title：Artificial organs

authors： Liu F,Yang F,Du Z,Miao N,Zhao Y,Xu B,Hou X

更新日期：2018-03-01 00:00:00

abstract：:Turbulent blood flow in medical devices contributes to blood trauma, yet the exact mechanism(s) have not been fully elucidated. Local turbulent stresses, viscous stresses, and the rate of dissipation of the turbulent kinetic energy have been proffered as hypotheses to describe and predict blood damage. In this work, s...

journal_title：Artificial organs

authors： Ozturk M,O'Rear EA,Papavassiliou DV

更新日期：2015-12-01 00:00:00

abstract：:Upon introducing off-pump coronary artery bypass grafting (CABG), the indications for CABG were expanded to include patients who previously had no operative indications. For accurate anastomosis, various devices and methods have been developed. Bradycardia is easily induced by drug administration. However, this method...

journal_title：Artificial organs

authors： Kuniyoshi Y,Koja K,Miyagi K,Shimoji M,Uezu T,Arakaki K,Yamashiro S,Mabuni K,Senaha S

更新日期：2002-10-01 00:00:00

abstract：:We aimed to investigate whether acellular endocardium can be used as a useful biomaterial for the intima of engineered small-caliber vascular grafts. Fresh endocardium was harvested from the swine left atrium and was decellularized by digestion with the decellularization solution of Triton X-100 and SDS containing DNa...

journal_title：Artificial organs

authors： Wang F,Guan X,Wu T,Qiao J,Han Z,Wu J,Yu X,You Q

更新日期：2016-12-01 00:00:00