Renal complications of infected ventriculoatrial shunts.

abstract：:Tubular polymer scaffolds based on tissue engineering techniques have been studied as potential alternatives for vascular regeneration implants. The blood vessels of the cardiovascular system are mainly fibrous, composed of collagen (Col) and elastin (El), and its inner layer consists of endothelial cells. In this wor...

journal_title：Artificial organs

authors： Rodrigues ICP,Pereira KD,Woigt LF,Jardini AL,Luchessi AD,Lopes ÉSN,Webster TJ,Gabriel LP

更新日期：2020-11-10 00:00:00

abstract：:With the incidence of end-stage heart failure steadily increasing, the need for a practical total artificial heart (TAH) has never been greater. Continuous flow TAHs (CFTAH) are being developed using rotary blood pumps (RBPs), leveraging their small size, mechanical simplicity, and excellent durability. To completely ...

journal_title：Artificial organs

authors： Nestler F,Timms DL,Stevens M,Bradley AP,Wilson SJ,Kleinheyer M,Lovell N,Frazier OH,Cohn WE

更新日期：2020-06-01 00:00:00

abstract：:Patients with kidney failure can only survive with some form of kidney replacement (transplant or dialysis). Unfortunately, innovations in kidney replacement therapy lag behind many other medical fields. This study compiles expert opinions on candidate technologies for future kidney replacement therapies. A worldwide ...

journal_title：Artificial organs

authors： Pereira Cabral B,Bonventre JV,Wieringa F,Mota FB

更新日期：2020-07-22 00:00:00

abstract：:A computational fluid dynamic model to assess the impact of flow-diverter device on intra-aneurysmal flow in complex aortic aneurysm from the viewpoint of hemodynamics is presented. The aim of this study is to investigate the hemodynamic effects of an endovascular flow-diverter technique using multiple overlapping unc...

journal_title：Artificial organs

authors： Yeow SL,Leo HL

更新日期：2018-02-01 00:00:00

abstract：:Extracorporeal human lymphatic organs are expected to be excellent tools in the study of human molecular and cellular bases of the immunologic balance and tissue harmony. A rational approach and process to design a device and a procedure to recreate the human lymph node environment in vitro is described with emphasis ...

journal_title：Artificial organs

authors： Giese C,Demmler CD,Ammer R,Hartmann S,Lubitz A,Miller L,Müller R,Marx U

更新日期：2006-10-01 00:00:00

abstract：:Heparin remains the predominant anticoagulant during extracorporeal membrane oxygenation (ECMO). Heparin acts by potentiating the anticoagulant effect of antithrombin (ATIII). Acquired ATIII deficiency, common in pediatric patients requiring ECMO, may result in ineffective anticoagulation with heparin. ATIII replaceme...

journal_title：Artificial organs

authors： Niebler RA,Christensen M,Berens R,Wellner H,Mikhailov T,Tweddell JS

更新日期：2011-11-01 00:00:00

abstract：:Central vascular catheters are used to access the central vascular system in both acute and chronic uremic patients undergoing hemodialysis. Among different approaches, the internal jugular vein seems to have less adverse effects. We describe our long-term experience with a two-catheter system. Percutaneous jugular ve...

journal_title：Artificial organs

authors： Tesio F,De Baz H,Panarello G,Calianno G,Quaia P,Raimondi A,Schinella D

更新日期：1994-04-01 00:00:00

abstract：:A small and light direct-drive centrifugal pump has been developed for cardiopulmonary bypass. In the development process, blood compatibility studies including a hemolysis study, an in vitro fluid dynamic performance study, and in vivo durability and feasibility studies were performed. The centrifugal pump with a 50 ...

journal_title：Artificial organs

authors： Jikuya T,Sasaki T,Aizawa T,Shiono M,Glueck JA,Smith CP,Feldman L,Sakuma I,Sekela ME,Noda T

更新日期：1992-12-01 00:00:00

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：:The injurious effects of reactive oxygen species on venous tissues and the potential protective role played by green tea polyphenol (GTPP) on human saphenous veins were investigated. Oxidative stress was induced exogenously in the vein segments, either by adding 0.8 or 1.6 M of H2O2, or by using 80 or 160 U/L of xanth...

journal_title：Artificial organs

authors： Han DW,Suh H,Park YH,Cho BK,Hyon SH,Park JC

更新日期：2003-12-01 00:00:00

abstract：:Mechanical circulatory support (MCS) devices for pediatric patients continue to lag in development behind those for adults. There is no heart pump with the design innovation to support dysfunctional states of heart failure and the anatomic heterogeneity of cardiac defects in pediatric patients. To address this unmet n...

journal_title：Artificial organs

authors： Fox C,Sarkisyan H,Stevens R,Arabia F,Fischer W,Rossano J,Throckmorton A

更新日期：2019-11-01 00:00:00

abstract：:Rotary ventricular assist devices (VADs) are primarily used during surgery and short-term postoperative assistance. There are issues involving the use of rotary VADs including the behavior of flow emanating from the assist device which might induce flow irregularities that could potentially lead to stroke or cerebrova...

journal_title：Artificial organs

authors： Manning KB,Miller GE

更新日期：2002-08-01 00:00:00

abstract：:Recent progress in the development of implantable rotary blood pumps realized long-term mechanical circulatory support (MCS) for bridge to transplant, bridge to recovery, or a destination therapy. Meanwhile, a short-term MCS system is becoming necessary for bridge to decision. We developed a novel inflow cannula for t...

journal_title：Artificial organs

authors： Sumikura H,Toda K,Takewa Y,Tsukiya T,Ohnuma K,Sasagawa M,Watanabe F,Ugawa J,Taenaka Y,Tatsumi E

更新日期：2011-08-01 00:00:00

abstract：:Magnevad II is an improved version of Magnevad I and both are fourth-generation axial flow left ventricular assist devices. A major simplification has been implemented and tested. Magnevad I used a magnetically suspended rotor requiring active axial control. Magnevad II is completely passive but otherwise similar. A s...

journal_title：Artificial organs

authors： Goldowsky M,Lafaro R,Reed G

更新日期：2005-10-01 00:00:00

abstract：:Tumor necrosis factor-alpha (TNF-alpha) release has been implicated in a sepsis-like syndrome following cardiopulmonary bypass (CPB). This also may be important in patients who have had a left ventricular assist device (LVAD) implanted. This report investigates the effect of reducing systemic blood flow on hemodynamic...

journal_title：Artificial organs

authors： Uozaki Y,Dihmis WC,Yamauchi H,Moczar M,Miyama M,Pasteau F,Tixier D,Bambang SL,Loisance DY

更新日期：2001-02-01 00:00:00

abstract：:Albumin-coated Amberlite XAD-7 has been previously shown to be blood compatible in in vitro hemoperfusion experiments whith human blood. In this study, the preliminary results are reported on single hemoperfusions with albumin-coated XAD-7 resin in four patients with acute liver failure. The mean platelet count was 11...

journal_title：Artificial organs

authors： Hughes R,Ton HY,Langley P,Davies M,Hanid MA,Mellon P,Silk DB,Williams R

更新日期：1979-02-01 00:00:00

abstract：:An apparatus has been contructed to regulate ultrafiltration accurately during dialysis. The principle of the apparatus is that, per unit of time, exactly the same amount of dialysate is introduced into the dialyzer as is discharged from it. The apparatus consists of two isovolumetric pumps connected in line. The four...

journal_title：Artificial organs

authors： Flendrig JG,Carpay WM,Dekkers WT

更新日期：1978-05-01 00:00:00

abstract：:In order to define physiological properties of the autograft root, magnetic resonance imaging (MRI) findings relative to three different operative techniques were compared with those of control subjects. Twenty-three patients, 18/5 M/F, aged 32 ± 9 years, underwent MRI assessment of the aortic root. Patients with norm...

journal_title：Artificial organs

authors： Luciani GB,Viscardi F,Puppini G,Faggian G,Mazzucco A

更新日期：2011-12-01 00:00:00

abstract：:The principle of a patient-specific immunoadsorber (PsIA) is demonstrated. Studies with model systems (HSA/anti-HSA) on immobilization, stability, and leakage form the basis for the presented fast-performance liquid chromatography (FPLC) and batch experiments, which were conducted using two different protein A adsorbe...

journal_title：Artificial organs

authors： Kunkel S,Holtz M,Grossjohann B,Schuett W,Klinkmann H,Kong D,Yamada R,Kimura H,Matic GB,Ramlow W,Boeden HF

更新日期：2002-02-01 00:00:00

abstract：:This study evaluated the usefulness of the three-dimensional representation of electrocardiogram traces (3DECG) to reveal acute and gradual changes during a full session of hemodiafiltration (HDF) in end-stage renal disease (ESRD) patients. Fifteen ESRD patients were included (six men, nine women, age 46 ± 19 years ol...

journal_title：Artificial organs

authors： Rodriguez-Fernandez R,Infante O,Perez-Grovas H,Hernandez E,Ruiz-Palacios P,Franco M,Lerma C

更新日期：2012-06-01 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：:In this pilot study, we assessed the feasibility of using positron emission tomography (PET) imaging for in vivo measurement of skeletal muscle ventricle (SMV) tissue blood flow. In 4 dogs, with SMVs prepared from their latissimus dorsi muscle, we quantified SMV tissue blood flow by PET and related it to the tissue fl...

journal_title：Artificial organs

authors： Singh TP,Greer K,Muzik O,Hammond RL,Stephenson LW,Di Carli MF

更新日期：2001-04-01 00:00:00

abstract：:Proper wound healing can be assessed by monitoring the wound surface area. Its reduction by 10 or 50% should be achieved after 1 or 4 weeks, respectively, from the start of the applied therapy. There are various methods of wound area measurement, which differ in terms of the cost of the devices and their accuracy. Thi...

journal_title：Artificial organs

authors： Foltynski P,Ladyzynski P,Wojcicki JM

更新日期：2014-04-01 00:00:00

abstract：:Present-day computational fluid dynamics (CFD) techniques can be used to analyze the behavior of fluid flow in a variety of pumps. CFD can be a powerful tool during the design stage for rapid virtual prototyping of different designs, analyzing performance parameters, and making design improvements. Computational flow ...

journal_title：Artificial organs

authors： Sukumar R,Athavale MM,Makhijani VB,Przekwas AJ

更新日期：1996-06-01 00:00:00

abstract：:Atrial connections in a single-unit total artificial heart (TAH) may be difficult to make because of the rigidity of the device and the fixed position of the atrial inlets. We developed a technique to separate the natural atrial borders in an experimental implantation of a unitary TAH. In this technique, the interatri...

journal_title：Artificial organs

authors： Frazier OH,Matsuwaka R,Parnis SM,Furusho N,McGee MG,Fuqua JM

更新日期：1995-08-01 00:00:00

abstract：:The developments in apheresis techniques and their clinical applications world-wide are technologically driven. In the past, apheresis survey statistics have high-lighted both the differences by region in clinical practice and in the types of technologies utilized. Such differences have provided a basis for the scient...

journal_title：Artificial organs

authors： Malchesky PS,Bambauer R,Horiuchi T,Kaplan A,Sakurada Y,Samuelsson G

更新日期：1995-04-01 00:00:00

abstract：:Most bioartificial liver support systems are based on hollow fiber capillaries within modified dialysis cartridges or more sophisticated bioreactor constructions. Due to their design microscopic follow-up of reorganization and growth of tissue between the hollow fibers is not possible. The SlideReactor is a simple hol...

journal_title：Artificial organs

authors： Sauer IM,Schwartlander R,Schmid J,Efimova E,Vondran FW,Kehr D,Pless G,Spinelli A,Brandenburg B,Hildt E,Neuhaus P

更新日期：2005-03-01 00:00:00

abstract：:There is an increasing need for research and development centers to deal with design and evaluation of organ replacement systems, the improvement of older devices, and the study of biocompatibility problems. Special attention, in this article, is focused on the determinant role of the background of the investigators i...

journal_title：Artificial organs

authors： Vanholder R,Ringoir S

更新日期：1989-12-01 00:00:00

abstract：:Patients with end-stage renal failure and peripheral vascular disease pose a difficult management problem in establishing long-term angioaccess for hemodialysis. In 4 patients with access problems, we created axillary artery to contralateral axillary vein Goretex grafts. The grafts were cannulated regularly for period...

journal_title：Artificial organs

authors： Ono K,Muto Y,Yano K,Yukizane T

更新日期：1995-12-01 00:00:00

abstract：:Hypotension is an uncommon complication of procedures involving extracorporeal circulation, including plasmapheresis. From November 1993 to March 1999, we treated 139 patients who underwent a total of 1,137 sessions of double filtration plasmapheresis (DFP). Hypotension was defined as a systolic blood pressure (BP) < ...

journal_title：Artificial organs

authors： Yeh JH,Chiu HC

更新日期：2000-09-01 00:00:00