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https://www.readbyqxmd.com/read/29245181/revealing-a-new-mode-of-sensitization-induced-by-mechanical-circulatory-support-devices-impact-of-anti-at1-r-antibodies
#1
X Zhang, J Mirocha, T Aintablian, S Dimbil, J Moriguchi, F Arabia, J A Kobashigawa, N L Reinsmoen
BACKGROUND: Increased levels of angiotensin II type 1 receptor (AT1 R) antibody have been shown to be associated with allograft rejection. This study aims to determine the rate of development of antibody to AT1 R after Mechanical Circulatory Support Device (MCS) implantation, and if development of strong binding AT1 R antibodies is associated with survival. METHODS: 88 patients who had one MCS implantation were accessed based on serum availability. MCS in this cohort included pneumatic bilateral paracorporeal ventricular assist device, continuous flow left ventricular assist device, and total artificial heart...
December 15, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/29244114/propranolol-for-gastrointestinal-bleeding-in-two-patients-with-continuous-flow-left-ventricle-assist-device
#2
Christoffer Stark, Jan Kiss, Karl Lemström
Patients with continuous-flow left ventricle assist devices are at risk for gastrointestinal bleeding from angiodysplastic bowel lesions. Neoangiogenesis secondary to von Willebrand factor degradation and increased vascular endothelial growth factor (VEGF) signalling is likely related to their pathophysiology. We speculated that propranolol, known to downregulate VEGF signalling, could be beneficial in patients with recurrent bleeding episodes and anaemia. In this case report, we present a short-term outcome of 2 patients treated with propranolol...
December 12, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29244101/18f-fdg-positron-emission-tomography-computed-tomography-for-diagnosis-of-pump-housing-infections-in-patients-on-left-ventricular-assist-devices-should-we-contain-our-initial-enthusiasm
#3
Angelo Maria Dell'Aquila, Jürgen R Sindermann
No abstract text is available yet for this article.
December 12, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29243772/treating-ureteric-obstruction-secondary-to-gynecological-disease-assisted-with-retrograde-ureteroscopic-stenting
#4
J-C Chen, S-X Zhu, L-G Ren, J Chen, W Zhang
OBJECTIVE: To analyze the technical experience and clinical efficacy of ureteroscopic treatment of middle and lower ureteral obstruction due to gynecological disease. PATIENTS AND METHODS: From January 2007 to December 2015, 58 cases of ureteral obstruction were collected in 55 patients caused by gynecological factors. 19 cases had the history of gynecological iatrogenic injury and 39 cases were secondary to gynecological tumors. Different situations of luminal stenosis included obliteration, suture penetration, transection and unrecognized ureteral orifice...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29242841/unexpected-diagnosis-in-a-patient-with-a-left-ventricular-assist-device-rectal-cancer
#5
Ulaş Aday, Ebubekir Gündeş, Durmuş Ali Çetin, Hüseyin Çiyiltepe, Erdal Polat
No abstract text is available yet for this article.
2017: Archives of Medical Sciences. Atherosclerotic Diseases
https://www.readbyqxmd.com/read/29242646/reflective-small-angle-electron-scattering-to-characterize-nanostructures-on-opaque-substrates
#6
Lawrence H Friedman, Wen-Li Wu, Wei-En Fu, Yunsan Chien
Features sizes in integrated circuits (ICs) are often at the scale of 10 nm and are ever shrinking. ICs appearing in today's computers and hand held devices are perhaps the most prominent examples. These smaller feature sizes demand equivalent advances in fast and accurate dimensional metrology for both development and manufacturing. Techniques in use and continuing to be developed include X-ray based techniques, optical scattering and of course the electron and scanning probe microscopy techniques. Each of these techniques have their advantages and limitations...
September 2017: Applied Physics Letters
https://www.readbyqxmd.com/read/29241628/-care-of-the-newborn-with-perinatal-asphyxia-candidate-for-therapeutic-hypothermia-during-the-first-six-hours-of-life-in-spain
#7
Juan Arnaez, Alfredo Garcia-Alix, Sara Calvo, Simón Lubián-López
INTRODUCTION: The process of care and assistance from birth to the starting of therapeutic hypothermia (TH) is crucial in order to improve its effectiveness and prevent the worsening of hypoxic-ischaemic injury. METHODS: A national cross-sectional study carried out in 2015 by use of a questionnaire sent to all level iii units on the care of the newborn≥35 weeks gestation within the first hours of life after a perinatal asphyxia event. According to clinical practice guidelines, the quality of care was compared between the hospitals that carried out or did not carry out TH, and according to the level of care...
December 11, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/29241404/in-vivo-measurement-of-surface-pressures-and-retraction-distances-applied-on-abdominal-organs-during-surgery
#8
Dignesh Shah, Andrew Alderson, James Corden, Thomas Satyadas, Titus Augustine
This study undertook the in vivo measurement of surface pressures applied by the fingers of the surgeon during typical representative retraction movements of key human abdominal organs during both open and hand-assisted laparoscopic surgery. Surface pressures were measured using a flexible thin-film pressure sensor for 35 typical liver retractions to access the gall bladder, 36 bowel retractions, 9 kidney retractions, 8 stomach retractions, and 5 spleen retractions across 12 patients undergoing open and laparoscopic abdominal surgery...
December 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/29240661/physical-restraint-use-with-elderly-patients-perceptions-of-nurses-and-nursing-assistants-in-spanish-acute-care-hospitals
#9
Emilio Fariña-López, Gabriel J Estévez-Guerra, M Luz Polo-Luque, Alica Hanzeliková Pogrányivá, Eva Penelo
BACKGROUND: Physical restraint is often used during the hospitalization of elderly people. However, this procedure is associated with adverse outcomes; therefore, it is necessary to be aware of the circumstances that promote restraint use, such as the perceptions of professionals who use it. OBJECTIVES: The purpose of the research was to determine the situations in which nursing staff considered the use of physical restraint as most important and to evaluate the possible associations with the sociodemographic and professional variables...
January 2018: Nursing Research
https://www.readbyqxmd.com/read/29240631/in-vivo-5-day-animal-studies-of-a-compact-wearable-pumping-artificial-lung
#10
Shalv P Madhani, Brian J Frankowski, Sang-Ho Ye, Greg W Burgreen, William R Wagner, Robert Kormos, Jonathan D'Cunha, William J Federspiel
Recent studies show improved outcomes in ambulated lung failure patients. Ambulation still remains a challenge in these patients. This necessitates development of more compact and less cumbersome respiratory support specifically designed to be wearable. The Paracorporeal Ambulatory Assist Lung (PAAL) is being designed for providing ambulatory support in lung failure patients during bridge to transplant or recovery. We previously published in vitro and acute in vivo results of the PAAL. This study further evaluates the PAAL for 5 days...
December 11, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29240628/circulatory-support-with-extracorporeal-membrane-oxygenation-and-or-impella-for-cardiogenic-shock-during-myocardial-infarction
#11
Marc Mourad, Philippe Gaudard, Pablo De La Arena, Jacob Eliet, Norddine Zeroual, Philippe Rouvière, François Roubille, Bernard Albat, Pascal H Colson
Temporary mechanical circulatory support (TCS) is recommended for patients with profound cardiogenic shock (CS). Extracorporeal membrane oxygenation (ECMO) and Impella are possible TCS devices, but the device choice and the implantation timing are not definitely established, specifically during acute myocardial infarction. We have analyzed the respective use of ECMO or Impella (2.5, CP, or 5.0) for CS following acute myocardial infarction , from a cohort of patients who underwent TCS within 72 hours after admission for emergency percutaneous coronary intervention (PCI) from January 2009 to April 2015...
December 11, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29240627/extracorporeal-membrane-oxygenation-bridges-inoperable-patients-to-definitive-cardiac-operation
#12
Nikola Dobrilovic, Omar Lateef, Lauren Michalak, Maja Delibasic, Jaishankar Raman
Extracorporeal membrane oxygenation (ECMO) offers an opportunity for patient recovery through complete cardiopulmonary support but is associated with complications that limit duration and overall utility. We examine the role of ECMO as a potential bridge to high-risk cardiac surgery in otherwise inoperable cases. This study reports a retrospective, multi-institution experience examining all patients for whom ECMO was used preoperatively as a bridge to definitive cardiac surgery without exception. A consecutive patient database (December 2011 through August 2017) was utilized...
December 11, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29240626/first-report-of-biventricular-percutaneous-impella-ventricular-assist-device-use-in-pediatric-patients
#13
Javier J Lasa, Daniel A Castellanos, Susan W Denfield, William J Dreyer, Sebastian C Tume, Henri Justino, Athar M Qureshi
There is a growing interest in the use of percutaneously delivered ventricular assist devices (PVAD) in the pediatric patient population. A 16 year old female and 18 year old male both status post heart transplantation presented with evidence of graft rejection and acute severe global systolic and diastolic heart failure necessitating hemodynamic catheterization and inotropic support. Both underwent percutaneous Impella CP LVAD (Abiomed, Danvers, MA) placement with close monitoring of right ventricular function...
December 11, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29240590/reverse-sural-adipofascial-flaps-with-acellular-dermal-matrix-and-negative-pressure-wound-therapy
#14
Matthew E Pontell, Noah Saad, Brian S Winters, Joseph N Daniel, Adam Saad
The reverse sural adipofascial flap (RSAF) is used to reconstruct challenging wounds of the foot and ankle. It offers several advantages over the traditional reverse sural flap, including less venous congestion. To complete the reconstruction, split-thickness skin grafting (STSG) may be done immediately or in a delayed fashion; however, both scenarios result in suboptimal take rates and prolonged healing. An acellular dermal matrix (ADM; Integra; Ethicon Inc, Somerville, New Jersey) and negative-pressure wound therapy (NPWT) combined with RSAF followed by delayed STSG may decrease wound healing time...
January 2018: Advances in Skin & Wound Care
https://www.readbyqxmd.com/read/29240154/great-photoluminescence-enhancement-in-al-sputtered-zn0-78mg0-22o-films
#15
Yonghui Zhou, Shanshan Chen, Xinhua Pan, Zhizhen Ye
Zn0.78Mg0.22O thin films were grown on a-plane sapphire substrates by plasma-assisted molecular beam epitaxy. Compared with ZnO, the crystal quality of Zn0.78Mg0.22O thin films degrades significantly, which results in low internal quantum efficiency (ηint). Besides improving the quality of Zn0.78Mg0.22O, an effective method has been used to enhance the internal quantum efficiency and the UV emission of Zn0.78Mg0.22O by sputtering Al nanoparticles. Taking advantage of the resonant coupling between UV emission of Zn0...
December 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/29239773/femoral-nerve-palsy-following-total-hip-arthroplasty-incidence-and-course-of-recovery
#16
Andrew N Fleischman, Richard H Rothman, Javad Parvizi
BACKGROUND: Femoral nerve palsy (FNP) is a relatively uncommon complication following total hip arthroplasty (THA). There is little recent literature regarding the incidence of FNP and the natural course of recovery. METHODS: Using our institutional database, we identified postoperative FNPs from 17,350 consecutive primary THAs performed from 2011 to 2016. Hip exposures were performed using a direct lateral (modified Hardinge), direct anterior (Smith-Peterson), anterolateral (Watson-Jones), or posterolateral (Southern or Moore) approach...
November 4, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29239771/burnout-among-chinese-adult-reconstructive-surgeons-incidence-risk-factors-and-relationship-with-intraoperative-irritability
#17
Hanlong Zheng, Hongyi Shao, Yixin Zhou
BACKGROUND: Burnout is a major concern in human service occupations, mainly characterizing in emotional exhaustion and depersonalization. There is very limited research dealing with burnout in orthopedic surgeons. Exploring burnout prevalence, risk factors, and intraoperative irritability-related incidences is necessary to improve the quality of life for surgeons. METHODS: The study population consisted of 202 registered adult reconstructive doctors in China. Burnout was measured using a normalized translated version of the Maslach Burnout Inventory-Human Service Survey...
November 3, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29238789/all-inorganic-perovskite-nanocrystal-assisted-extraction-of-hot-electrons-and-biexcitons-from-photoexcited-cdte-quantum-dots
#18
Navendu Mondal, Apurba De, Anunay Samanta
Excitation of semiconductor quantum dots (QDs) by photons possessing energy higher than the band-gap creates a hot electron-hole pair, which releases its excess energy as waste heat or under certain conditions (when hν > 2Eg) produces multiple excitons. Extraction of these hot carriers and multiple excitons is one of the key strategies for enhancing the efficiency of QD-based photovoltaic devices. However, this is a difficult task as competing carrier cooling and relaxation of multiple excitons (through Auger recombination) are ultrafast processes...
December 13, 2017: Nanoscale
https://www.readbyqxmd.com/read/29237991/survival-of-heartmate-ii-patients-despite-cessation-of-anticoagulation%C3%A3-outcomes-and-hemostatic-analysis
#19
Rashad Zayat, Mohammad Amen Khattab, Oliver Grottke, Markus Honickel, Andreas Goetzenich, Ajay Moza, Christian Stoppe, Rüdiger Autschbach, Lachmandath Tewarie
BACKGROUND: In long-term left ventricular assist device (LVAD) therapy, recurrent bleeding events may justify cessation of anticoagulation therapy (AT). However, data about THE safety and risks of AT cessation in LVAD patients are scarce.Methods and Results:Between 2010 and 2015, 128 patients received a HeartMate II (HMII). Following recurrent bleeding events, we ceased vitamin K antagonist (VKA) therapy in 13 patients (10%) (no-VKA group). To characterize the hemostatic profile, we performed von Willebrand factor (vWF), platelet function (PF), and other hemostatic tests in all HMII patients...
December 12, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29237400/accuracy-of-acute-burns-diagnosis-made-using-smartphones-and-tablets-a-questionnaire-based-study-among-medical-experts
#20
Lisa Blom, Constance Boissin, Nikki Allorto, Lee Wallis, Marie Hasselberg, Lucie Laflamme
BACKGROUND: Remote assistance for burns by medical experts can support nurses and general physicians in emergency care with diagnostic and management advice. Previous studies indicate a high diagnostic accuracy based on images viewed on a computer screen, but whether image-based analysis by experts using handheld devices is accurate remains to be determined. METHOD: A review of patient data from eight emergency centres in the Western Cape, South Africa, revealed 10 typical cases of burns commonly seen in children and adults...
December 13, 2017: BMC Emergency Medicine
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