Stem damage during implantation of modular hip prostheses.

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：: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：:A 68-year-old woman with fulminant hepatic failure of unknown etiology was treated with a bioartificial liver assist device. Prior to treatment, she had a number of clinical and laboratory features that suggested a hopeless outcome. Treatment was associated with a dramatic change in her mental status, and her clinical...

journal_title：Artificial organs

authors： Sussman NL,Kelly JH

更新日期：1993-01-01 00:00:00

abstract：:The insults sustained by transplanted livers (hepatectomy, hypothermic preservation, and normothermic reperfusion) could compromise hepatic function. Hydrogen sulfide (H₂S) is a physiologic gaseous signaling molecule, like nitric oxide (NO) and carbon monoxide (CO). We examined the effect of diallyl disulfide as a H₂S...

journal_title：Artificial organs

authors： Balaban CL,Rodriguez JV,Guibert EE

更新日期：2011-05-01 00:00:00

abstract：:The objective of this study was to evaluate an alternative neonatal extracorporeal life support (ECLS) circuit with a RotaFlow centrifugal pump and Better-Bladder (BB) for hemodynamic performance and gaseous microemboli (GME) capture in a simulated neonatal ECLS system. The circuit consisted of a Maquet RotaFlow centr...

journal_title：Artificial organs

authors： Spencer SB,Wang S,Woitas K,Glass K,Kunselman AR,Ündar A

更新日期：2017-01-01 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：:For the last few years we have attempted to separate and isolate from biological fluids the uremic Middle Molecules (MM). The first step in the treatment of plasma is an ultrafiltration through AN69 membrane. The samples are fractionated by Sephadex G-15 chromatography into 9 peaks "a" to "i' under precise conditions ...

journal_title：Artificial organs

authors： Cueille G,Man NK,Sausse A,Farges JP,Funck-Brentano JL

更新日期：1981-01-01 00:00:00

abstract：:The effects of Fluosol-DA 20% on circulating blood cells, hemodynamic parameters, blood gases, and organs are described and compared with the results of phase I human studies and animal experiments. Bleeding of preoperative anemia and/or surgical bleeding, Fluosol-DA 20% was administered to 7 of 10 Jehovah's Witness p...

journal_title：Artificial organs

authors： Ohyanagi H,Nakaya S,Okumura S,Saitoh Y

更新日期：1984-02-01 00:00:00

abstract：:The weight gain of IVOX devices removed from the first 49 human clinical trials patients after from 1 to 29 days of implantation into the venae caval blood stream has been assessed. Each patient had received sufficient systemic heparin to maintain activated clotting times between 150 and 200 s while the IVOX device wa...

journal_title：Artificial organs

authors： Imai H,Schaap RN,Mortensen JD

更新日期：1994-11-01 00:00:00

abstract：:Stimulation of different spinal cord segments in humans is a widely developed clinical practice for modification of pain, altered sensation, and movement. The human lumbar cord has become a target for modification of motor control by epidural and, more recently, by transcutaneous spinal cord stimulation. Posterior col...

journal_title：Artificial organs

authors： Danner SM,Hofstoetter US,Ladenbauer J,Rattay F,Minassian K

更新日期：2011-03-01 00:00:00

abstract：:Clinical data from 120 adult patients with genetically undifferentiated polycystic kidney disease who had been followed up for more than 3 months (range 3-172) were reviewed in order to try to identify clinical indicators that might predict deterioration in renal function. They were split into two groups dependent on ...

journal_title：Artificial organs

authors： Griveas I,Bishop K,World M

更新日期：2012-07-01 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：:Aseptic loosening is the major cause of failure of hip implants after total hip arthroplasty. Stress shielding of the femur is known to be the principal factor involved in the aseptic loosening of hip implants. Solid stems are found to have a greater rigidity; therefore, they transfer less load proximally, which resul...

journal_title：Artificial organs

authors： Sivarasu S,Beulah P,Mathew L

更新日期：2011-06-01 00:00:00

abstract：:Total artificial hearts (TAHs) and biventricular assist devices (BVADs) have varying levels of acceptance and reliability, and the research on both focuses on their control mechanisms. Efforts generally aim to achieve a response to physiologic demand and left/right output balance, and beneficial cardiac output (CO) an...

journal_title：Artificial organs

authors： Hall AW,Soykan O,Harken AH

更新日期：1996-03-01 00:00:00

abstract：:We studied 22 patients with residual pulmonary hypertension or symptoms of postoperative pulmonary hypertensive crisis. They received low-dose inhalation (10 ppm) of nitric oxide (NO), a selective pulmonary vasodilator, after total correction for congenital heart anomalies. Fifteen minutes of NO inhalation improved th...

journal_title：Artificial organs

authors： Matsui J,Yahagi N,Kumon K,Hayashi H,Watanabe Y,Haruna M,Tanigami H,Yagihara T,Takamoto S,Kamiya T

更新日期：1997-01-01 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：:Implantation of left ventricular assist devices typically requires cardiopulmonary bypass support, which is associated with postoperative complications. A novel suture-less inflow cannula, which can be implanted without bypass, uses mild myocardial compression to seal the interface, however, this may lead to necrosis ...

journal_title：Artificial organs

authors： Liao S,Theodoropoulos C,Blackwood KA,Woodruff MA,Gregory SD

更新日期：2018-05-01 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：: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：:Characteristics of morphology, cardiac function, and cardiac reserve at late state were evaluated at rest, by changing the pacing rates, and after exercise in patients with ventricular pacemakers for isolated congenital complete atrioventricular block. Heart size was reduced statistically after pacemaker implantation,...

journal_title：Artificial organs

authors： Nawa S,Kioka Y,Shimizu A,Tsuji H,Miyachi Y,Ebara K,Kino K,Shigenobu M,Murakami T,Senoo Y

更新日期：1987-06-01 00:00:00

abstract：:To assess the influence of hydration state on plasma volume (PV) changes during ultrafiltration, 11 clinically normhydrated patients on maintenance hemodialysis were studied intraindividually during 2 hydration states differing by 2-15% of lean body mass (LBM). Plasma volume was measured continually during a 15-min ul...

journal_title：Artificial organs

authors： Wizemann V,Leibinger A,Mueller K,Nilson A

更新日期：1995-05-01 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：:The postdialysis levels of serum sodium concentration, urea concentration, and osmolality, as well as the magnitude of both transcellular fluid shifts and sodium removal, were predicted based on computer modeling without measuring body fluid volumes. A 4-h hemodialysis was performed in five patients at a constant ultr...

journal_title：Artificial organs

authors： Kimura G,Van Stone JC,Bauer JH

更新日期：1983-11-01 00:00:00

abstract：:The aims of this study were to investigate whether introducing an interphase interval (IPI) to biphasic pulses during stimulation of the dorsiflexor muscles would affect force production and to determine whether the IPI effect is dependent on electrode position. Twelve healthy volunteers participated in the study. Eac...

journal_title：Artificial organs

authors： Springer S,Braun-Benyamin O,Abraham-Shitreet C,Becher M,Laufer Y

更新日期：2014-11-01 00:00:00

abstract：:We compared in vitro rates of hemolysis for a recently developed centrifugal pump with a conventional roller pump (10-10-00; Stöckert, Munich, Germany). Flow rates of 0.3 L/min and 1 L/min and a pressure of 200 mm Hg were chosen to simulate conditions during neonatal extracorporeal membrane oxygenation (ECMO). There w...

journal_title：Artificial organs

authors： Moon YS,Ohtsubo S,Gomez MR,Moon JK,Nose Y

更新日期：1996-05-01 00:00:00

abstract：:Bubble blood oxygenators equipped with baffles of various types in the oxygenating column were studied. The rate of hemolysis, the volumetric coefficient for oxygen absorption into blood, and the fractional gas holdup were found to be affected mainly by the superficial gas velocity. When compared with the conventional...

journal_title：Artificial organs

authors： Ohshima N,Yoshido F

更新日期：1979-05-01 00:00:00

abstract：:Chronic kidney disease is increasing in both developed and emerging countries with progressive encroachment on health services budgets. In spite of the lack of accurate registries, we tried to focus on the magnitude of the problem on different continents. Prevention of progression has been a remote but reachable goal....

journal_title：Artificial organs

authors： Hafez MH,Abdellatif DA,Elkhatib MM

更新日期：2006-07-01 00:00:00

abstract：:We have been developing some types of microcapsule suspensions with polyurethane membranes to evaluate the absolute hemolytic characteristics of the centrifugal blood pumps used in circulatory support devices such as artificial hearts. In order to facilitate/realize hemolysis testing on centrifugal blood pumps that ha...

journal_title：Artificial organs

authors： Maruyama O,Yamaguchi K,Nishida M,Onoguchi T,Tsutsui T,Jikuya T,Yamane T

更新日期：2008-02-01 00:00:00

abstract：:Solute clearance during high-flux hemodialysis is determined by the combined effects of solute convection and diffusion in the membrane, blood, and dialysate. Previous studies have focused almost entirely on the membrane transport phenomena, largely ignoring the potential contribution from bulk mass transport across t...

journal_title：Artificial organs

authors： Zydney AL

更新日期：1993-11-01 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