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https://www.readbyqxmd.com/read/28198093/extracorporeal-total-artificial-heart-as-bailout-surgery
#1
REVIEW
Stéphanie F Perrodin, Olivier Muller, Fabrizio Gronchi, Lucas Liaudet, Roger Hullin, Matthias Kirsch
We report the use of a total extracorporeal heart for uncontrolled bleeding following a proximal left anterior descending artery perforation, using two centrifugal ventricular assist devices after heart explantation. The literature describing similar techniques and patient outcomes for this "bailout" technique are reviewed.
February 15, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28157544/the-embryotoxicity-of-zno-nanoparticles-to-marine-medaka-oryzias-melastigma
#2
Yi Cong, Fei Jin, Juying Wang, Jingli Mu
The negative effects of metal oxide nanoparticles on aquatic environment and organisms have caused much concern. In this study, the embryotoxicity of zinc oxide nanoparticles (ZnO NP) to marine medaka, Oryzias melastigma, was explored and compared with that of aqueous Zn (ZnSO4·7H2O). The Zn(2+) released from ZnO NP in artificial seawater at exposure concentrations was also measured. Results showed that zinc ion release percentage (%) decreased with increasing concentration, which was 44%, 41% and 25% at 0...
January 19, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28138395/effect-of-age-on-heart-rate-blood-lactate-concentration-packed-cell-volume-and-hemoglobin-to-exercise-in-jeju-crossbreed-horses
#3
Ok-Deuk Kang, Yong-Soo Park
BACKGROUND: This study aimed to analyze the on heart rate, blood lactate concentration, packed cell volume (PCV) and hemoglobin (Hb) response after conducting exercise in endurance horses. METHODS: A total of 20 healthy 3-9-years-old Jeju crossbreed mares (5.95 ± 2.24 year) of age and 312.65 ± 13.59 kg of weight) currently participating the endurance competition were used. The field tests selected for the experiment was gallop (approximately 8.3 m/s) along the selected 2...
2017: Journal of Animal Science and Technology
https://www.readbyqxmd.com/read/28107271/perioperative-care-of-the-patient-with-the-total-artificial-heart
#4
Jill Yaung, Francisco A Arabia, Michael Nurok
Advanced heart failure continues to be a leading cause of morbidity and mortality despite improvements in pharmacologic therapy. High demand for cardiac transplantation and shortage of donor organs have led to an increase in the utilization of mechanical circulatory support devices. The total artificial heart is an effective biventricular assist device that may be used as a bridge to transplant and that is being studied for destination therapy. This review discusses the history, indications, and perioperative management of the total artificial heart with emphasis on the postoperative concerns...
January 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28105119/clinical-observation-on-the-treatment-of-acute-liver-failure-by-combined-non-biological-artificial-liver
#5
Maoqin Li, Jingxi Sun, Jiaqiong Li, Zaixiang Shi, Jiyuan Xu, Bo Lu, Shuli Cheng, Yanjun Xu, Xiaomeng Wang, Xianjiang Zhang
The clinical efficacy and safety of different combinations of non-bio artificial liver in the treatment of acute liver failure was examined. A total of 61 cases were selected under blood purification treatment from the patients with severe acute liver failure admitted to the severe disease department of the hospital from December, 2010 to December, 2015. Three types of artificial liver combinations were observed, i.e., plasma exchange plus hemoperfusion plus continuous venovenous hemodiafiltration (PE+HP+CVVHDF), PE+CVVHDF and HP+CVVHDF...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28062539/tissue-expander-as-a-routine-component-of-50cc-total-artificial-heart-implantation-for-bridge-to-transplant
#6
Ryan Avery, Samata R Paidy, Roy Keller, Scott Lick, Richard G Smith, Zain Khalpey
No abstract text is available yet for this article.
January 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28009714/worldwide-experience-with-the-syncardia-total-artificial-heart-in-the-pediatric-population
#7
David L S Morales, Angela Lorts, Raheel Rizwan, Farhan Zafar, Francisco A Arabia, Chet R Villa
No abstract text is available yet for this article.
December 20, 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28007060/mechanical-circulatory-support-of-the-fontan-patient
#8
REVIEW
Ronald K Woods, Nancy S Ghanayem, Michael E Mitchell, Steven Kindel, Robert A Niebler
Because of the inadequacies inherent to a circulation supported by a single ventricle, many Fontan patients will experience failure of their circulation. To date, there is no medical regimen that reliably and consistently restores circulatory function in these patients. Because of the shortage of donor organs and the fact that many of these patients present with features that either preclude or render heart transplantation a high risk, there is an intense need to better understand how mechanical circulatory support (MCS) may benefit these patients...
January 2017: Seminars in Thoracic and Cardiovascular Surgery. Pediatric Cardiac Surgery Annual
https://www.readbyqxmd.com/read/28007058/the-50-50-cc-total-artificial-heart-trial-extending-the-benefits-of-the-total-artificial-heart-to-underserved-populations
#9
REVIEW
Dennis Wells, Chet R Villa, David Luís Simón Morales
While use of the total artificial heart (TAH) is growing, the use of the device is not uniform across the gender and age spectrum because the vast majority of implants are in adult males. SynCardia has recently developed a smaller 50 cc TAH that was designed to accommodate patients with a body surface area as low as 1.2 m(2) (potentially even lower using virtual implantation). Herein, we describe the early use of the 50 cc TAH (10 implants in the US and 18 outside the US). Twenty-eight devices have been implanted worldwide...
January 2017: Seminars in Thoracic and Cardiovascular Surgery. Pediatric Cardiac Surgery Annual
https://www.readbyqxmd.com/read/27990844/artificial-heart-pumps-bridging-the-gap-between-science-technology-and-personalized-medicine-by-relational-medicine
#10
Federica Raia, Mario C Deng
In the US population of 300 million, 3 million have heart failure with reduced ejection fraction and 300,000 have advanced heart failure. Long-term mechanical circulatory support will, within the next decade, be recommended to 30,000 patients annually in the USA, 3000 undergo heart transplantation annually. What do these advances mean for persons suffering from advanced heart failure and their loved ones/caregivers? In this perspective article, we discuss - by exemplifying a case report of a 27-year-old man receiving a Total Artificial Heart - a practice concept of modern medicine that fully incorporates the patient's personhood perspective which we have termed Relational Medicine™...
January 2017: Future Cardiology
https://www.readbyqxmd.com/read/27935891/-rate-of-in-hospital-cardiovascular-complications-in-patients-with-postoperative-renal-dysfunction-after-surgical-myocardial-revascularization
#11
L V Kremneva, O V Abaturova, S V Shalaev
The study was aimed at revealing the factors associated with renal dysfunction having developed after coronary artery bypass grafting (CABG) and assessing the in-hospital cardiovascular complications rate amongst patients with postoperative renal dysfunction. The study included a total of 99 patients presenting with stable angina pectoris and having indications for CABG. The mean age of the patients amounted to 57±7 years, with the average duration of coronary artery disease (CAD) of 6±5.7 years. A multi-vessel lesion of coronary arteries was revealed in 69...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/27935084/a-physical-heart-failure-simulation-system-utilizing-the-total-artificial-heart-and-modified-donovan-mock-circulation
#12
Jessica R Crosby, Katrina J DeCook, Phat L Tran, Edward Betterton, Richard G Smith, Douglas F Larson, Zain I Khalpey, Daniel Burkhoff, Marvin J Slepian
With the growth and diversity of mechanical circulatory support (MCS) systems entering clinical use, a need exists for a robust mock circulation system capable of reliably emulating and reproducing physiologic as well as pathophysiologic states for use in MCS training and inter-device comparison. We report on the development of such a platform utilizing the SynCardia Total Artificial Heart and a modified Donovan Mock Circulation System, capable of being driven at normal and reduced output. With this platform, clinically relevant heart failure hemodynamics could be reliably reproduced as evidenced by elevated left atrial pressure (+112%), reduced aortic flow (-12...
December 9, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27918616/nitric-oxide-donors-for-cervical-ripening-and-induction-of-labour
#13
REVIEW
Arpita Ghosh, Katherine R Lattey, Anthony J Kelly
BACKGROUND: Sometimes it is necessary to bring on labour artificially because of safety concerns for the mother or baby. This review is one of a series of reviews of methods of labour induction using a standardised protocol. OBJECTIVES: To determine the effects of NO donors (isosorbide mononitrate (ISMN), isosorbide dinitrate (ISDN), nitroglycerin and sodium nitroprusside) for third trimester cervical ripening or induction of labour, in comparison with placebo or no treatment or other treatments from a predefined hierarchy...
5, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27895342/innovations-in-cardiovascular-care-historical-perspective-contemporary-practice-recent-trends-and-future-directions
#14
Hasanat Sharif, Mayera Tufail
Cardiovascular diseases continue to be a major cause of mortality and morbidity in the world population. First open heart procedure was performed by Gibbon in 1953, since then many advancements have been introduced to the field of cardiac surgery. Minimally invasive techniques were introduced, which include minimally invasive coronary artery bypass grafting (CABG), off-pump technique, minimally invasive valve surgery or transcatheter techniques to implant stentless or sutureless valves. The hybrid strategy to address coronary disease combines catheterisation procedures with standard surgical techniques...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27878837/thrombotic-depositions-on-right-impeller-of-double-ended-centrifugal-total-artificial-heart-in-vivo
#15
Jamshid H Karimov, David J Horvath, Shinji Okano, Mark Goodin, Gengo Sunagawa, Nicole Byram, Nader Moazami, Leonard A R Golding, Kiyotaka Fukamachi
The development of total artificial heart devices is a complex undertaking that includes chronic biocompatibility assessment of the device. It is considered particularly important to assess whether device design and features can be compatible long term in a biological environment. As part of the development program for the Cleveland Clinic continuous-flow total artificial heart (CFTAH), we evaluated the device for signs of thrombosis and biological material deposition in four animals that had achieved the intended 14-, 30-, or 90-day durations in each respective experiment...
November 23, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27862058/translation-of-first-north-american-50-and-70-cc-total-artificial-heart-virtual-and-clinical-implantations-utility-of-3d-computed-tomography-to-test-fit-devices
#16
Alice S Ferng, Isabel Oliva, Clinton Jokerst, Ryan Avery, Alana M Connell, Phat L Tran, Richard G Smith, Zain Khalpey
Since the creation of SynCardia's 50 cc Total Artificial Hearts (TAHs), patients with irreversible biventricular failure now have two sizing options. Herein, a case series of three patients who have undergone successful 50 and 70 cc TAH implantation with complete closure of the chest cavity utilizing preoperative "virtual implantation" of different sized devices for surgical planning are presented. Computed tomography (CT) images were used for preoperative planning prior to TAH implantation. Three-dimensional (3D) reconstructions of preoperative chest CT images were generated and both 50 and 70 cc TAHs were virtually implanted into patients' thoracic cavities...
November 10, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27859378/mechanical-circulatory-support-devices-for-pediatric-patients-with-congenital-heart-disease
#17
REVIEW
Steven G Chopski, William B Moskowitz, Randy M Stevens, Amy L Throckmorton
The use of mechanical circulatory support (MCS) devices is a viable therapeutic treatment option for patients with congestive heart failure. Ventricular assist devices, cavopulmonary assist devices, and total artificial heart pumps continue to gain acceptance as viable treatment strategies for both adults and pediatric patients as bridge-to-transplant, bridge-to-recovery, and longer-term circulatory support alternatives. We present a review of the current and future MCS devices for patients having congenital heart disease (CHD) with biventricular or univentricular circulations...
January 2017: Artificial Organs
https://www.readbyqxmd.com/read/27851258/1623-common-hurdles-in-the-postoperative-management-of-a-patient-with-a-total-artificial-heart
#18
Marissa Mery, Siavosh Saatee, Sonia Nhieu
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27803495/total-artificial-heart-implantation-after-undifferentiated-high-grade-sarcoma-excision
#19
Jamila Kremer, Mina Farag, Rawa Arif, Andreas Brcic, Anton Sabashnikov, Bastian Schmack, Aron-Frederik Popov, Matthias Karck, Pascal M Dohmen, Arjang Ruhparwar, Alexander Weymann
BACKGROUND Total artificial heart (TAH) implantation in patients with aggressive tumor infiltration of the heart can be challenging. CASE REPORT We report on a patient with a rare primary undifferentiated high-grade spindle cell sarcoma of the mitral valve and in the left atrium, first diagnosed in 2014. The referring center did a first resection in 2014. In the course of 17 months, computer tomography (CT) scan again showed massive invasion of the mitral valve and left atrium. Partial resection and mitral valve replacement was not an option...
November 2, 2016: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/27801302/total-artificial-heart-implantation-blood-pressure-management-as-resolving-treatment-for-massive-hemolysis-following-total-artificial-heart-implantation
#20
Ali Ghodsizad, Michael M Koerner, A El-Banayosy, Mohamed Zeriouh, Arjang Ruhparwar, Matthias Loebe
The SynCardia Total Artificial Heart (TAH) has been used for patients with biventricular failure, who cannot be managed with implantation of a left ventricular (LV) assist device. Following TAH implantation, our patient developed severe hemolysis, which could only be managed successfully by aggressive blood pressure control [Ohashi 2003; Nakata 1998].
October 21, 2016: Heart Surgery Forum
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