Pathways for water absorption and physiological role of the lateral interspaces in the kidney tubule.

abstract：:The outgrowth of endothelial cells in an expanded polytetrafluoroethylene graft implanted in the canine inferior vena cava was studied by scanning electron microscopy. The adjacent endothelial cells of the vena cava started to invade the anastomotic area three days after the implantation and reached approximately the ...

journal_title：Artificial organs

authors： Ishimaru S,Berglin E,Hansson HA,Teger-Nilsson AC,William-Olsson G

更新日期：1981-11-01 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：: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：: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：:Giant cerebral aneurysms may be untreatable by conventional neurosurgical techniques. Early attempts to use circulatory assistance and deep hypothermia were abandoned due to hemorrhagic complications. More recently, interest in circulatory support for complex neurosurgical procedures has been renewed. A consecutive se...

journal_title：Artificial organs

authors： Mesana T,Collart F,Caus T,Pomane C,Graziani N,Bruder N,Dufour H,Grisoli F,Montiès JR

更新日期：2000-06-01 00:00:00

abstract：:This work introduces a new Lagrangian strain-based model to predict the shear-induced hemolysis in biomedical devices. Current computational models for device-induced hemolysis usually utilize empirical fitting of the released free hemoglobin (Hb) in plasma from damaged red blood cells (RBCs). These empirical correlat...

journal_title：Artificial organs

authors： Nikfar M,Razizadeh M,Zhang J,Paul R,Wu ZJ,Liu Y

更新日期：2020-08-01 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：:This study introduces a newly developed method for the formation of a stationary phase superficially embedded with immunoadsorbent, that is partially incomplete two-stage polymerization of acrylamide. Preliminary experimental studies show that binding activity of the immunoadsorbent was satisfactorily maintained after...

journal_title：Artificial organs

authors： Yang TH

更新日期：2005-05-01 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：:We reviewed the role of the BioMedicus pump in the reduction of neurologic complications following the repair of Type 1 and Type 2 thoracoabdominal aortic aneurysms. Since 1991, we have used several different methods for the repair of thoracoabdominal aortic aneurysms including simple cross-clamping, selective use of ...

journal_title：Artificial organs

authors： Safi HJ

更新日期：1996-06-01 00:00:00

abstract：:We reported previously that Lixelle, which was used for beta-2 microglobulin (BMG) adsorption columns, could adsorb not only BMG but also inflammatory cytokines. We then were interested in the application of Lixelle to patients with systemic inflammatory response syndrome (SIRS) and tried to find out its ability to ad...

journal_title：Artificial organs

authors： Tsuchida K,Takemoto Y,Nakatani T,Nakamura T,Sugimura K,Yamamoto K

更新日期：2000-07-01 00:00:00

abstract：:Interest in the effects and possible mechanisms of hemodialysis on schizophrenic patients has led to a double-blind evaluation of the effects of plasmapheresis on symptoms of schizophrenia. Also, plasmapheresis was felt to be an invaluable tool for investigating the autoimmune theory of schizophrenia. Patients (n = 10...

journal_title：Artificial organs

authors： Schulz SC,van Kammen DP,Waters R,Klein HG,Balow JE,Bunney WE Jr

更新日期：1983-08-01 00:00:00

abstract：:Malfunction of bileaflet mechanical heart valves in the mitral position could either be due to patient-prosthesis mismatch (PPM) or leaflet obstruction. The aim of this article is to investigate the validity of current echocardiographic criteria used for diagnosis of mitral prosthesis malfunction, namely maximum veloc...

journal_title：Artificial organs

authors： Evin M,Guivier-Curien C,Pibarot P,Kadem L,Rieu R

更新日期：2016-05-01 00:00:00

abstract：:Left ventricular assist devices (LVADs) are increasingly being used as life-saving therapy in patients with end-stage heart failure. The changes in spirometry following LVAD implantation and subsequent unloading of the left ventricle and pulmonary circulation are unknown. In this study, we explored long-term changes i...

journal_title：Artificial organs

authors： Mohamedali B,Bhat G,Yost G,Tatooles A

更新日期：2015-12-01 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：:An increasing amount of evidence points to cerebral embolization during cardiopulmonary bypass (CPB) as the principal etiologic factor of neurologic complications. In this study, the capability of capturing and classification of gaseous emboli and pressure drop of three different membrane oxygenators (Sorin Apex, Teru...

journal_title：Artificial organs

authors： Guan Y,Palanzo D,Kunselman A,Undar A

更新日期：2009-11-01 00:00:00

abstract：:Right ventricular failure is one of the most common complications encountered after left ventricular assist device implantation and heart transplantation. It has been reported to have an incidence up to 30%. It increases morbidity and short-term mortality. Impella RP is a small pump that can provide up to 4L/min of fl...

journal_title：Artificial organs

authors： Monteagudo-Vela M,Simon A,Panoulas V

更新日期：2020-05-01 00:00:00

abstract：:The optimization of the monomer composition, using a polymerization kinetic study and the mechanical behavior study of the composites, was the principal objective of this work. The monomeric mixture analyzed is a part of the composite that has been in development at the University of Campinas, Brazil. Parameters such ...

journal_title：Artificial organs

authors： López Palacio RE,de Carvalho Zavaglia CA

更新日期：2003-05-01 00:00:00

abstract：:The maximum ventricular elastance is a reliable index for assessing the cardiac function from changes in its pressure-volume relationship. The advantage of this index is that it can represent the contractility of either unassisted hearts or native hearts assisted with rotary blood pumps. However, there are situations ...

journal_title：Artificial organs

authors： Sugai TK,Tanaka A,Yoshizawa M,Shiraishi Y,Yambe T,Nitta S,Baba A

更新日期：2010-05-01 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：: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：: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：:Renal Solutions Allient Sorbent Hemodialysis System utilizes a two-chambered pneumatic pump (Pulsar Blood Pump, Renal Solutions, Inc., Warrendale, PA, USA) to avoid limitations associated with peristaltic pumping systems. Single-needle access is enabled by counter-pulsing the two pump chambers, thereby obviating compl...

journal_title：Artificial organs

authors： Shu F,Parks R,Maholtz J,Ash S,Antaki JF

更新日期：2009-04-01 00:00:00

abstract：:Myristoyl gelatin (MG) retains its gel structure at temperatures above body temperature without any crosslinking. As a coating material, MG adheres well to polyester fibers, and the outermost layers of the sealant that are in contact with blood or surrounding tissue become hydrophilic. We produced MG-impregnated knitt...

journal_title：Artificial organs

authors： Sasajima T,Inaba M,Azuma N,Goh K,Koshiko S,Kubo Y,Miyamoto K,Tokita M,Komai T

更新日期：1997-04-01 00:00:00

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：: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：:The combination of hypothermia and potassium cardioplegic arrest has become the most common method of myocardial protection in the evolution of myocardial protection. This review focuses on myocardial protection in pediatric cardiac surgery. In the 1980s, blood was added to cardioplegia solution in order to supply the...

journal_title：Artificial organs

authors： Turkoz R

更新日期：2013-01-01 00:00:00

abstract：:Porous polyurethane (nonwoven) was used for the development of tracheal prosthesis, which--in a special testing design--was adapted to shape and biomechanic properties of the natural organ. This prosthesis was implanted into 19 beagle dogs using inverted, everted, and end-to-end anastomosis. Insufficiency of the anast...

journal_title：Artificial organs

authors： Schauwecker HH,Gerlach J,Planck H,Bücherl ES

更新日期：1989-06-01 00:00:00

abstract：:In 1993, the development began of a small axial flow blood pump, the DeBakey ventricular assist device (VAD). The material was recently converted to a titanium alloy, and a waterproof pump package was incorporated for long-term intracorporeal circulation. Thirteen intrathoracic implantations in calves were achieved. N...

journal_title：Artificial organs

authors： Tayama E,Olsen DB,Ohashi Y,Benkowski R,Morley D,Noon GP,Nosé Y,Debakey ME

更新日期：1999-12-01 00:00:00

abstract：:Our aim was to study the aging effects on the in vitro biological properties of bone marrow-derived mesenchymal stem cells (BMSCs) for construction of tissue-engineered heart valves. BMSCs were taken from teenagers with congenital heart diseases, and middle-aged and elderly patients with valvular diseases. Proliferati...

journal_title：Artificial organs

authors： Xin Y,Wang YM,Zhang H,Li J,Wang W,Wei YJ,Hu SS

更新日期：2010-03-01 00:00:00