Heparin-coated cardiopulmonary bypass circuits in coronary bypass surgery.

abstract：:Long-term hemodialysis catheter dwell time in the central vein predisposes to fibrin sheath development, which subsequently causes catheter malfunction or occlusion. In very rare cases, the catheter can be overgrown with fibrin and rigidly connected with the vein or heart structures. This makes its removal almost impo...

journal_title：Artificial organs

authors： Garcarek J,Gołębiowski T,Letachowicz K,Kusztal M,Szymczak M,Madziarska K,Jakuszko K,Zmonarski S,Guziński M,Weyde W,Klinger M

更新日期：2016-05-01 00:00:00

abstract：:A 53-year-old man was referred to our department with a history of cough, especially at night, for 3 months. He was found to have a huge retrosternal goiter. We applied a novel combined cervical and robot-assisted approach to resect this difficult goiter. Using the da Vinci robot system, the intrathoracic part of the ...

journal_title：Artificial organs

authors： Wang S,Xu S,Liu B

更新日期：2014-05-01 00:00:00

abstract：:The Fas molecule, also designated APO-1/CD95, belongs to the tumor necrosis factor (TNF) receptor family. It is a widely expressed membrane-anchored protein that induces apoptosis by Fas/Fas ligand (Fas-L) mediation. It was reported that Fas-mediated apoptosis plays an important role in regulation of the immune system...

journal_title：Artificial organs

authors： Kawahito K,Misawa Y,Fuse K

更新日期：2000-08-01 00:00:00

abstract：:The flow of blood as a viscous, Newtonian, incompressible liquid in an expanding spherical cavity with a ball-type inlet valve was examined. This type of flow can serve as a model of the phase of ventricular diastole in a sac-type artificial heart. The critical values of Reynolds numbers at which flow interruption beh...

journal_title：Artificial organs

authors： Starobin IM,Zaĭko VM

更新日期：1983-02-01 00:00:00

abstract：:Thyrotoxic crisis (thyroid storm) is a life-threatening condition. Standard therapy is based on thiamazole, prednisolone, and nonselective beta-blockers. Extracorporeal plasmapheresis is an additional tool for removing circulating thyroxine in patients who do not respond quickly to conventional standard therapy. As th...

journal_title：Artificial organs

authors： Koball S,Hickstein H,Gloger M,Hinz M,Henschel J,Stange J,Mitzner S

更新日期：2010-02-01 00:00:00

abstract：:Molecular Adsorbent Recirculating System (MARS) is a liver support system widely employed in the treatment of liver failure. The method is normally well tolerated. To develop a liver support system combining high efficiency and tolerability, we modified the MARS albumin circuit with the insertion of double adsorption ...

journal_title：Artificial organs

authors： Marangoni R,Bellati G,Castelli A,Romagnoli E

更新日期：2014-10-01 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：:Cardiac monitoring of ventricular assist devices (VADs) is important for detecting heart failure risks, such as critical arrhythmia and ventricular fibrillation, and for supplying data that are useful for hemodynamic control. Specifically, impedance cardiograms (ICGs) are especially beneficial because they have no eff...

journal_title：Artificial organs

authors： Choi SW,Park SM

更新日期：2012-05-01 00:00:00

abstract：:Centrifugal pumps are generally employed as nonpulsatile blood flow pumps; however, these pumps can produce pulsatile flow by periodically alternating the impeller rotation speed. This study investigates blood trauma due to the effect of pulse frequency and various ranges of pump speed. The hemolysis tests were conduc...

journal_title：Artificial organs

authors： Tayama E,Niimi Y,Takami Y,Ohashi Y,Ohtsuka G,Glueck JA,Mueller J,Nosé Y

更新日期：1997-12-01 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：:In vitro cardiovascular device performance evaluation in a mock circulation loop (MCL) is a necessary step prior to in vivo testing. A MCL that accurately represents the physiology of the cardiovascular system accelerates the assessment of the device's ability to treat pathological conditions. To serve this purpose, a...

journal_title：Artificial organs

authors： Timms DL,Gregory SD,Greatrex NA,Pearcy MJ,Fraser JF,Steinseifer U

更新日期：2011-04-01 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：: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：:Cardiopulmonary bypass (CPB) has a risk of cerebral injury, with an important role of gaseous micro-emboli (GME) coming from the CPB circuit. Pulsatile perfusion is supposed to perform specific conditions for supplementary GME activity. We aimed to determine whether pulsatile CPB augments production and delivery of GM...

journal_title：Artificial organs

authors： Dodonov M,Milano A,Onorati F,Dal Corso B,Menon T,Ferrarini D,Tessari M,Faggian G,Mazzucco A

更新日期：2013-04-01 00:00:00

abstract：:Medial opening-wedge has gained popularity in comparison to other techniques of high tibial osteotomy. This technique involves the creation of a gap in the tibia. Filling the gap with autologous iliac bone graft was recommended in the classic description, to prevent complications such as correction loss or delayed bon...

journal_title：Artificial organs

authors： Zorzi AR,da Silva HG,Muszkat C,Marques LC,Cliquet A Jr,de Miranda JB

更新日期：2011-03-01 00:00:00

abstract：:While pediatric HeartWare HVAD application has increased, determining candidacy and timing for initiation of pediatric VAD support has remained a challenge. We present our experience with a systematic approach to HVAD implantation as a bridge to pediatric heart transplantation. We performed a retrospective, single cen...

journal_title：Artificial organs

authors： Nelson McMillan K,Hibino N,Brown EE,Wadia R,Hunt EA,Marshall C,Alvarez-Machado M,Alejo D,Coulson JD,Ravekes W,Vricella LA

更新日期：2019-01-01 00:00:00

abstract：:The present study aimed to determine the feasibility of constructing a reinforced autologous vascular graft by combining the advantages of fibrin gel as an autologous cell carrier material with the inherent mechanical strength of an integrated mesh structure. It was hypothesized that the mesh and dynamic culture condi...

journal_title：Artificial organs

authors： Tschoeke B,Flanagan TC,Cornelissen A,Koch S,Roehl A,Sriharwoko M,Sachweh JS,Gries T,Schmitz-Rode T,Jockenhoevel S

更新日期：2008-10-01 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：:Thirty-five patients undergoing open-heart surgery are reported. Cardiac index, mean arterial pressure, oxygen consumption, lactate, pyruvate, and lactate excess in the blood were measured. An inverse correlation of arterial pressure with oxygen consumption and lactate excess was found during perfusion. Comparison of ...

journal_title：Artificial organs

authors： Osipov VP,Khodas MJ,Dementjeva II,Pjatnitskaja GKh

更新日期：1982-08-01 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：:We have made an eccentric roller type total artificial heart (ERTAH). The ERTAH is a positive-displacement device comparable to a DeBakey roller pump. Its left and right outputs are determined by the size of its blood chambers, and the ratio of its left and right output is almost constant. We focused on an interatrial...

journal_title：Artificial organs

authors： Wada H,Fukunaga S,Watari M,Sakai H,Sugawara Y,Ochikubo H,Imai K,Shibamura H,Orihashi K,Sueda T,Matsuura Y

更新日期：1999-08-01 00:00:00

abstract：:The Symbion Acute Ventricular Assist Device (AVAD) System is an experimental paracorporeal pulsatile ventricular assist device (VAD) for single or biventricular assist. Eleven patients were implanted but 2 died within 24 h and were excluded from the study. Nine patients, four with left ventricular assist devices (LVAD...

journal_title：Artificial organs

authors： Icenogle TB,Smith RG,Cleavinger M,Vasu MA,Williams RJ,Sethi GK,Copeland JG

更新日期：1989-12-01 00:00:00

abstract：:Percutaneous pulmonary valve implantation is a potential treatment for right ventricular outflow tract (RVOT) dysfunction. However, RVOT implantation site varies among subjects and the success of the procedure depends on RVOT morphology selection. The aim of this study was to use in vitro testing to establish percutan...

journal_title：Artificial organs

authors： Vismara R,Laganà K,Migliavacca F,Schievano S,Coats L,Taylor A,Bonhoeffer P

更新日期：2009-01-01 00:00:00

abstract：:This paper discussed issues of ethical assessment and moral concern associated with organ replacement and physical enhancement: research, allocation, organ donation, artificial organs, xenografts, biomaterials, and neuromaterials. While emphasizing the medical and moral benefits over associated risks, it calls for a b...

journal_title：Artificial organs

authors： Kielstein R,Sass HM

更新日期：1995-05-01 00:00:00

abstract：:Wall shear stress on the pump casing cover was measured using a surface-mounted hot-film sensor. In addition, the shear stress distribution in the pump was qualitatively investigated by means of oil-film visualization. The characteristics of shear stress in the pump are discussed, including the results on the oil-film...

journal_title：Artificial organs

authors： Mizunuma H,Nakajima R

更新日期：2007-07-01 00:00:00

abstract：:Features of the human spinal cord motor control are described using two spinal cord injury models: (i) the spinal cord completely separated from brain motor structures by accidental injury; (ii) the spinal cord receiving reduced and altered supraspinal input due to an incomplete lesion. Systematic studies using surfac...

journal_title：Artificial organs

authors： Dimitrijevic MR,Persy I,Forstner C,Kern H,Dimitrijevic MM

更新日期：2005-03-01 00:00:00

abstract：:The accurate representation of rotary blood pumps in a numerical environment is important for meaningful investigation of pump-cardiovascular system interactions. Although numerous models for ventricular assist devices (VADs) have been developed, modeling methods for rotary total artificial hearts (rTAHs) are still re...

journal_title：Artificial organs

authors： Nestler F,Bradley AP,Wilson SJ,Timms DL

更新日期：2014-03-01 00:00:00

abstract：:The effect of blood hematocrit (HCT) on a noninvasive flow estimation algorithm was examined in a centrifugal implantable rotary blood pump (iRBP) used for ventricular assistance. An average flow estimator, based on three parameters, input electrical power, pump speed, and HCT, was developed. Data were collected in a ...

journal_title：Artificial organs

authors： Malagutti N,Karantonis DM,Cloherty SL,Ayre PJ,Mason DG,Salamonsen RF,Lovell NH

更新日期：2007-01-01 00:00:00

abstract：:Tissue responses to various percutaneous materials with different surface properties and structures were investigated. Dense hydroxyapatite (HA), tricalcium phosphate (TCP), glassy carbon (GC), and 2 types of porous HA were used. Cutaneous and subcutaneous tissues were tightly attached to the surface of the penetratin...

journal_title：Artificial organs

authors： Shin Y,Akao M

更新日期：1997-09-01 00:00:00

abstract：:This study was planned to investigate whether part of the energy produced by cardiac contraction to propel blood toward the systemic circulation can be used to increase the coronary flow in systole. Ten devices (I-X) designed to divert laterally part of a flow column (without substantially increasing resistance to flo...

journal_title：Artificial organs

authors： Moulopoulos S,Stamatelopoulos S,Boufas D,Yannopoulos C,Marousis G,Kouvaras G

更新日期：1979-11-01 00:00:00