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https://www.readbyqxmd.com/read/28331172/an-anti-coagulation-conundrum-implantation-of-total-artificial-heart-in-a-patient-with-heparin-induced-thrombocytopenia-type-ii
#1
Theodore J Cios, Yuliana Salamanca-Padilla, Dmitri Guvakov
BACKGROUND Heparin-induced thrombocytopenia (HIT) is a rare but life-threatening complication of heparin administration. It can present a major clinical dilemma for physicians caring for patients requiring life-saving urgent or emergent cardiac surgery. Studies have been published examining the use of alternative anticoagulants for patients undergoing cardiopulmonary bypass (CPB), however, evidence does not clearly support any particular approach. Presently, there are no large-scale, prospective randomized studies examining the impact of alternative anticoagulants on clinical outcomes for HIT-positive patients requiring cardiac surgery...
March 23, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28319520/infections-in-patients-with-a-total-artificial-heart-are-common-but-rarely-fatal
#2
Luis F Hidalgo, Keyur B Shah, Richard H Cooke, Daniel G Tang, Vigneshwar Kasirajan, Howard A Cooper, Wilbert S Aronow
Patients who received a total artificial heart (TAH) at Virginia Commonwealth University (VCU) between January 1, 2010 and December 31, 2011 were identified from the VCU Mechanical Circulatory Support Clinical Database. Retrospective data extraction from the medical records was performed from the time of TAH implantation until heart transplantation or death. Infections were classified as confirmed or suspected. Twenty-seven men and 5 women, mean age 49.5 years (range 24 to 68 years) received a TAH. The mean duration of TAH support was 225 days (range 1 to 1334 days)...
March 17, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28290973/total-artificial-heart-implantation-as-a-bridge-to-heart-transplantation-in-an-active-duty-service-member-with-amyloid-cardiomyopathy
#3
Michael S Scully, Dylan E Wessman, James M McKee, Gregory M Francisco, Keshav R Nayak, Jon A Kobashigawa
INTRODUCTION: Cardiac involvement by light-chain (AL) amyloid occurs in up to 50% of patients with primary AL amyloidosis. The prognosis of amyloid heart disease is poor with 1-year survival rates of 35 to 40%. Historically, heart transplantation was considered controversial for patients with AL amyloid cardiomyopathy (CM) given the systemic nature of the disease and poor survival. We present a case report of an active duty service member diagnosed with advanced cardiac amyloid who underwent total artificial heart transplant as a bridge to heart transplant and eventual autologous stem cell transplant...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28250605/airway-complications-of-total-artificial-heart
#4
Vikas Pathak, Colin Donovan, Rajiv Malhotra
The total artificial heart is the mechanical device which is used as a bridge to the heart transplant in patients with biventricular failure. Due to the mechanical nature of the device, patients receiving total artificial heart (TAH) require to be on anticoagulation therapy. Hemorrhage and coagulopathy are few of the known complications of TAH.
February 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28238150/moderate-hypothermia-technique-for-chronic-implantation-of-a-total-artificial-heart-in-calves
#5
Jamshid H Karimov, Patrick Grady, Martin Sinkewich, Gengo Sunagawa, Raymond Dessoffy, Nicole Byram, Nader Moazami, Kiyotaka Fukamachi
The benefit of whole-body hypothermia in preventing ischemic injury during cardiac surgical operations is well documented. However, application of hypothermia during in vivo total artificial heart implantation has not become widespread because of limited understanding of the proper techniques and restrictions implied by constitutional and physiological characteristics specific to each animal model. Similarly, the literature on hypothermic set-up in total artificial heart implantation has also been limited. Herein we present our experience using hypothermia in bovine models implanted with the Cleveland Clinic continuous-flow total artificial heart...
February 25, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28198093/extracorporeal-total-artificial-heart-as-bailout-surgery
#6
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.
March 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28157544/the-embryotoxicity-of-zno-nanoparticles-to-marine-medaka-oryzias-melastigma
#7
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...
April 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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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...
December 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
#19
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
#20
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
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