Automatic Control of Veno-Venous Extracorporeal Lung Assist.

abstract：:The objectives of this study were: (i) to evaluate the effects of perfusion modes (pulsatile vs. nonpulsatile) on vital organs recovery and (ii) to investigate the influences of two different perfusion modes on the homeostasis of thyroid hormones in pediatric patients undergoing cardiopulmonary bypass (CPB) procedures...

journal_title：Artificial organs

authors： Akçevin A,Alkan-Bozkaya T,Qiu F,Undar A

更新日期：2010-11-01 00:00:00

abstract：:The determination of when to stop extracorporeal membrane oxygenation (ECMO) rests upon demonstration of the return of adequate cardiac function to support vital organs and permit subsequent recovery. In general, patients with myocardial stun will recover function within several days. Factors that limit recovery inclu...

journal_title：Artificial organs

authors： Steinhorn DM

更新日期：1999-11-01 00:00:00

abstract：:In a healthy human cardiac system, a large asymmetric clockwise vortex present in the left ventricle (LV) efficiently diverts the filling jet from the mitral annulus to the left ventricular outflow track. However, prior clinical studies have shown that artificial mitral valve replacement can affect the formation of ph...

journal_title：Artificial organs

authors： Tan SG,Hon JKF,Nguyen YN,Kim S,Leo HL

更新日期：2020-12-01 00:00:00

abstract：:Flow visualization experiments and computational fluid dynamic (CFD) analyses were performed and the results were compared to clarify the detailed fluid dynamic characteristics for the prototype design of a centrifugal pump, namely, an implantable ventricular assist system from Sun Medical, whose hemocompatibility was...

journal_title：Artificial organs

authors： Yamane T,Miyamoto Y,Tajima K,Yamazaki K

更新日期：2004-05-01 00:00:00

abstract：:The aim of the present study was to compare the effects of ProTaper Gold, WaveOne Gold, ProTaper Universal, and WaveOne instruments on the amount of apically extruded debris. Eighty mandibular premolar teeth with straight root canals were selected and assigned to four groups (n = 20). The root canals were instrumented...

journal_title：Artificial organs

authors： Karataş E,Ersoy İ,Gündüz HA,Uygun AD,Kol E,Çakıcı F

更新日期：2016-08-01 00:00:00

abstract：:It has been speculated that testosterone stimulates erythropoiesis. We hypothesized that hemoglobin levels in hemodialysis (HD) patients are associated with serum testosterone concentrations. Testosterone, hemoglobin, and other biochemical parameters were measured in a representative sample of 98 chronic HD patients (...

journal_title：Artificial organs

authors： Ekart R,Taskovska M,Hojs N,Bevc S,Hojs R

更新日期：2014-07-01 00:00:00

abstract：:We made miniature modules filled with artificial oxygenator hollow fibers and conducted a simple experiment to study the effect of different membrane structures on the blood. Three types of modules were made: one filled with polyolefin, one filled with polypropylene, and a blank module. The 3 modules were connected th...

journal_title：Artificial organs

authors： Nishida H,Shibuya M,Endo M,Koyanagi H

更新日期：1996-12-01 00:00:00

abstract：:The use of extracorporeal membrane oxygenator instead of standard cardiopulmonary bypass during lung transplantation is debatable. Moreover, recently, the concept of prolonged postoperative extracorporeal membrane oxygenator (ECMO) support has been introduced in many transplant centers to prevent primary graft dysfunc...

journal_title：Artificial organs

authors： Dell'Amore A,Campisi A,Congiu S,Mazzarra S,Pastore S,Dolci G,Baiocchi M,Frascaroli G

更新日期：2020-06-01 00:00:00

abstract：:A novel method of extracorporeal support for fulminant liver failure is reported whereby the most important detoxification processes of the liver are reproduced in an enzyme reactor. Most of the endogenous toxins involved in hepatic coma can be deactivated directly by conjugation with a hydrophilic residue such as glu...

journal_title：Artificial organs

authors： Brunner G,Holloway CJ,Lösgen H

更新日期：1979-02-01 00:00:00

abstract：:Stem cells transplanted to an injured heart affect the host myocardium indirectly. The cytokine hepatocyte growth factor (HGF) may play a key role in this paracrine activity. We hypothesized that HGF-overexpressing stem cells would restore cardiac function after myocardial infarction (MI). Because there is a high rate...

journal_title：Artificial organs

authors： Poppe A,Golsong P,Blumenthal B,von Wattenwyl R,Blanke P,Beyersdorf F,Schlensak C,Siepe M

更新日期：2012-03-01 00:00:00

abstract：:Stents are small, usually metallic tubes that are intended to prop open arteries blocked with atherosclerotic plaques. While stents have been used successfully in recent years, they still suffer from failure due to development of new tissue in stented segment (restenosis). Variations in the failure rates associated wi...

journal_title：Artificial organs

authors： Frank AO,Walsh PW,Moore JE Jr

更新日期：2002-07-01 00:00:00

abstract：:The objective of this clinical study is to determine whether correlation exists among cerebral and renal near-infrared spectroscopy (NIRS) measurements, renal Doppler ultrasonography parameters (resistive index, peak systolic velocity), and early postoperative clinical outcomes following cardiac surgery in neonates an...

journal_title：Artificial organs

authors： Örmeci T,Alkan-Bozkaya T,Özyüksel A,Ersoy C,Ündar A,Akçevin A,Türkoğlu H

更新日期：2015-01-01 00:00:00

abstract：:No standardized treatment algorithm exists for the management of continuous-flow left ventricular assist device (CF-LVAD)-specific infections. The aim of this systematic review and meta-analysis was to compare the outcomes of CF-LVAD-specific infections as managed by device exchange to other treatment modalities not i...

journal_title：Artificial organs

authors： Bauer TM,Choi JH,Luc JGY,Weber MP,Moncho Escrivá E,Patel S,Maynes EJ,Boyle AJ,Samuels LE,Entwistle JW,Morris RJ,Massey HT,Tchantchaleishvili V

更新日期：2019-05-01 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：:The ventricular assist device inflow cannulation site is the primary interface between the device and the patient. Connecting these cannulae to either atria or ventricles induces major changes in flow dynamics; however, there are little data available on precise quantification of these changes. The objective of this i...

journal_title：Artificial organs

authors： Timms D,Gregory S,Hsu PL,Thomson B,Pearcy M,McNeil K,Fraser J,Steinseifer U

更新日期：2010-09-01 00:00:00

abstract：:We aimed to determine the effect of elective left heart decompression at the time of initiation of central venoarterial extracorporeal membrane oxygenation (VA ECMO) on VA ECMO duration and clinical outcomes in children in a single tertiary ECMO referral center with a large pediatric population from a national referra...

journal_title：Artificial organs

authors： Hacking DF,Best D,d'Udekem Y,Brizard CP,Konstantinov IE,Millar J,Butt W

更新日期：2015-04-01 00:00:00

abstract：:Thrombosis and thromboembolism are the life-threatening clinical complications for patients supported or treated with prosthetic cardiovascular devices. The high mechanical shear stress within these devices is believed to be the major contributing factor to cause platelet activation (PA) and function alteration, leadi...

journal_title：Artificial organs

authors： Ding J,Chen Z,Niu S,Zhang J,Mondal NK,Griffith BP,Wu ZJ

更新日期：2015-07-01 00:00:00

abstract：:Flow visualization is widely applied to evaluate rotary blood pumps; however, it is very difficult to visualize flow near the vanes of centrifugal blood pumps because the rotational speed of the impeller is usually several thousand rpm. In this study, a tracer method with a high speed video camera that can take more t...

journal_title：Artificial organs

authors： Sakuma I,Tadokoro H,Fukui Y,Dohi T

更新日期：1995-07-01 00:00:00

abstract：:The new Advanced ventricular assist device (Advanced VAD) has many features such as improving pulsatility and preventing regurgitant flow during pump stoppage. The purpose of this study was to evaluate the effects of design modifications of the Advanced VAD on these features in vitro. Bench testing of four versions of...

journal_title：Artificial organs

authors： Miyamoto T,Byram N,Karimov JH,Adams J,Dessoffy R,Kuban BD,Gao S,Horvath DJ,Fukamachi K

更新日期：2019-10-01 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：: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：:Ventricular assist devices (VADs) are considered the standard of care for end-stage heart failure (HF) patients. Despite increasing confidence in the technology, evidence data, endorsement by scientific societies and guidelines, the number of implants reached a steady state and is not increasing at the expected pace. ...

journal_title：Artificial organs

authors： Barbone A,Pagliaro B,Basciu A,Iaccarino A,Droandi G,Romano G,Citterio E,Fumero A,Torracca L,Pini D

更新日期：2020-04-23 00:00:00

abstract：:This work presents results of preliminary studies concerning application of magnetic bearing in a ventricular assist device (VAD) being developed by Dante Pazzanese Institute of Cardiology-IDPC (São Paulo, Brazil). The VAD-IDPC has a novel architecture that distinguishes from other known VADs. In this, the rotor has a...

journal_title：Artificial organs

authors： Horikawa O,de Andrade AJ,da Silva I,Bock EG

更新日期：2008-04-01 00:00:00

abstract：:Late referral (LR) to dialysis therapy has been associated with poor outcomes in people with end-stage renal disease. This had been ascribed to the frequent use of temporary vascular catheters (TVCs) in LR patients. The effects of LR and TVC on the outcomes of an incident hemodialysis population (n = 101) were investi...

journal_title：Artificial organs

authors： Gonçalves EA,Andreoli MC,Watanabe R,Freitas MC,Pedrosa AC,Manfredi SR,Draibe SA,Cendoroglo M,Canziani ME

更新日期：2004-11-01 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：:Electrolyzed water accelerated the healing of full-thickness cutaneous wounds in rats, but only anode chamber water (acid pH or neutralized) was effective. Hypochlorous acid (HOCl), also produced by electrolysis, was ineffective, suggesting that these types of electrolyzed water enhance wound healing by a mechanism un...

journal_title：Artificial organs

authors： Yahagi N,Kono M,Kitahara M,Ohmura A,Sumita O,Hashimoto T,Hori K,Ning-Juan C,Woodson P,Kubota S,Murakami A,Takamoto S

更新日期：2000-12-01 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：: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：: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：:Different methods are used, clinically and experimentally, to assist severely impaired heart function by means of skeletal muscle. The efficiency of these methods is restricted by skeletal muscle losing strength after transpositioning and during conditioning and not being sufficiently resistant to fatigue. This is mai...

journal_title：Artificial organs

authors： Lanmüller H,Sauermann S,Unger E,Schnetz G,Mayr W,Bijak M,Girsch W

更新日期：1999-04-01 00:00:00