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https://www.readbyqxmd.com/read/29779297/cardiac-rhythm-management-devices
#1
Irene Stevenson, Alex Voskoboinik
BACKGROUND: The last decade has seen ongoing evolution and use of cardiac rhythm management devices, including pacemakers, cardiac resynchronisation therapy, implantable cardioverter defibrillators and loop recorders. General practitioners are increasingly involved in follow-up and management of patients with these devices. OBJECTIVE: The aim of this article is to provide an overview of different cardiac rhythm management devices, including their role, implant procedure, post-procedural care, potential complications and follow‑up...
May 2018: Australian journal of general practice
https://www.readbyqxmd.com/read/29779221/nasojejunal-stent-technique-njst-a-new-system-to-prevent-fully-covered-metal-stent-migration-in-the-treatment-of-benign-esophageal-diseases
#2
Oscar Víctor Hernández Mondragón, Raquel Palos Cuellar, Enrique Murcio Pérez
Fully covered self-expandable metal stents (FCSEMS) have been used for the treatment of benign esophageal conditions such as perforation, leaks, and strictures [1]; high clinical success is reported [2]. Different anchoring methods have been described (clips, suturing devices, over-the-scope clips and Shim technique [2]), because of high migration rates (4-36%) [3,4]. However, not all cases are candidates, mostly in "difficult" cases where enteral feeding is needed [5]. We report the use of the nasojejunal-stent technique (NJST) to prevent migration of FCSEMS in three difficult cases...
May 19, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/29779208/management-of-postpartum-hemorrhage-with-free-flow-pressure-controlled-uterine-balloon
#3
Gerhard B Theron
The free-flow pressure controlled uterine balloon (Ellavi UBT; Sinapi biomedical, Stellenbosch, South Africa) allows the expulsion of water from the balloon to reduce volume and pressure control by adjusting the height of the supply bag above the patient. The balloon can be filled to a capacity of 750 mL without requiring expansion pressure. The device is affordable for use in lesser resourced countries with a sales price from the factory of approximately US $6. This article is protected by copyright. All rights reserved...
May 20, 2018: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29779153/intraoperative-stent-segmentation-in-x-ray-fluoroscopy-for-endovascular-aortic-repair
#4
Katharina Breininger, Shadi Albarqouni, Tanja Kurzendorfer, Marcus Pfister, Markus Kowarschik, Andreas Maier
PURPOSE: Fusion of preoperative data with intraoperative X-ray images has proven the potential to reduce radiation exposure and contrast agent, especially for complex endovascular aortic repair (EVAR). Due to patient movement and introduced devices that deform the vasculature, the fusion can become inaccurate. This is usually detected by comparing the preoperative information with the contrasted vessel. To avoid repeated use of iodine, comparison with an implanted stent can be used to adjust the fusion...
May 19, 2018: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29779063/development-of-sperm-vitrification-protocols-for-two-endangered-salmonid-species-the-adriatic-grayling-thymallus-thymallus-and-the-marble-trout-salmo-marmoratus
#5
Eszter Kása, Jelena Lujić, Zoran Marinović, Tímea Kollár, Gergely Bernáth, Zoltán Bokor, Béla Urbányi, Kinga Katalin Lefler, Dušan Jesenšek, Ákos Horváth
Vitrification was applied to the sperm of two endangered fish species of Soča River basin in Slovenia, the Adriatic grayling (Thymallus thymallus) and marble trout (Salmo marmoratus) following testing different cooling devices and vitrifying media. Sperm was collected, diluted in species-specific non-activating media containing cryoprotectants, and vitrified by plunging directly into liquid nitrogen without pre-cooling. Progressive motility, curvilinear velocity, and straightness of fresh and vitrified-warmed sperm were evaluated with computer-assisted sperm analysis (CASA)...
May 19, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29778965/metal-hypersensitivity-in-the-context-of-connective-tissue-disease-an-opportunity-for-practice-prevention
#6
Jack Ρ Guccione, Sharon E Jacob
Metal hypersensitivity reactions (MHR) are not associated with metal containing orthodontic implants unless there is a positive history of dermatitis from a high nickel-release item (piercing post, earring, watch). We wish to present this letter to highlight evidence surrounding orthodontic-related nickel hypersensitivity and to bring to the readers attention current American Contact Dermatitis Society (ACDS) guidelines that endorse the importance of addressing metal hypersensitivity reactions in the setting of implantable dental devices...
May 17, 2018: Environmental Research
https://www.readbyqxmd.com/read/29778862/hemodynamic-optimization-following-biventricular-device-implant-do-we-still-need-an-echocardiogram
#7
EDITORIAL
Karoly Kaszala, Kenneth A Ellenbogen
No abstract text is available yet for this article.
May 11, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29778861/multicenter-randomized-controlled-crossover-trial-comparing-hemodynamic-optimization-against-echocardiographic-optimization-of-av-and-vv-delay-of-cardiac-resynchronization-therapy-the-bravo-trial
#8
Zachary I Whinnett, S M Afzal Sohaib, Mark Mason, Edward Duncan, Mark Tanner, David Lefroy, Mohamed Al-Obaidi, Sue Ellery, Francisco Leyva-Leon, Tim Betts, Mark Dayer, Paul Foley, Jon Swinburn, Martin Thomas, Raj Khiani, Tom Wong, Zaheer Yousef, Dominic Rogers, Paul R Kalra, Vignesh Dhileepan, Katherine March, James Howard, Andreas Kyriacou, Jamil Mayet, Prapa Kanagaratnam, Michael Frenneaux, Alun D Hughes, Darrel P Francis
OBJECTIVES: BRAVO (British Randomized Controlled Trial of AV and VV Optimization) is a multicenter, randomized, crossover, noninferiority trial comparing echocardiographic optimization of atrioventricular (AV) and interventricular delay with a noninvasive blood pressure method. BACKGROUND: Cardiac resynchronization therapy including AV delay optimization confers clinical benefit, but the optimization requires time and expertise to perform. METHODS: This study randomized patients to echocardiographic optimization or hemodynamic optimization using multiple-replicate beat-by-beat noninvasive blood pressure at baseline; after 6 months, participants were crossed over to the other optimization arm of the trial...
May 11, 2018: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29778773/effects-of-electronic-cigarette-liquid-solvents-propylene-glycol-and-vegetable-glycerin-on-user-nicotine-delivery-heart-rate-subjective-effects-and-puff-topography
#9
Tory R Spindle, Soha Talih, Marzena M Hiler, Nareg Karaoghlanian, Matthew S Halquist, Alison B Breland, Alan Shihadeh, Thomas Eissenberg
BACKGROUND: Electronic cigarettes (ECIGs) are a class of tobacco products that produce different effects (e.g., nicotine delivery), depending on the device, liquid, and behavioral factors. However, the influence of the two primary ECIG liquid solvents, propylene glycol (PG) and vegetable glycerin (VG), on ECIG acute effects is unknown. METHODS: Thirty ECIG-experienced, ≥12-h nicotine- abstinent participants completed four conditions consisting of two ECIG-use bouts (10 puffs, 30 s interpuff-interval) differing only by liquid PG:VG ratio (2PG:98VG, 20PG:80VG, 55PG:45VG, 100PG)...
May 1, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29778643/inheritance-of-co-edited-genes-by-crispr-based-targeted-nucleotide-substitutions-in-rice
#10
Zenpei Shimatani, Ushio Fujikura, Hisaki Ishii, Yusuke Matsui, Minoru Suzuki, Yuki Ueke, Ken-Ichiro Taoka, Rie Terada, Keiji Nishida, Akihiko Kondo
The CRISPR/Cas9 system is a revolutionary genome-editing tool for directed gene editing in various organisms. Cas9 variants can be applied as molecular homing devices when combined with various functional effectors such as transcriptional activators or DNA modification enzymes. Target-AID is a synthetic complex of nuclease deficient Cas9 fused to an activation-induced cytidine deaminase (AID) that enables targeted nucleotide substitution (C to T or G to A). We previously demonstrated that the introduction of desired point mutations into target genes by Target-AID confers herbicide tolerance to rice callus...
April 25, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29778631/staphylococcus-aureus-bloodstream-infection-in-patients-with-ventricular-assist-devices-management-and-outcome-in-a-prospective-bicenter-cohort
#11
Insa Joost, Wolfgang Bothe, Christine Pausch, Achim Kaasch, Berit Lange, Gabriele Peyerl-Hoffmann, Greta Flüh, Matthias Müller, Christian Schneider, Harald Seifert, Winfried V Kern, Friedhelm Beyersdorf, Siegbert Rieg
OBJECTIVES: Ventricular assist devices (VAD) are increasingly implanted in patients with terminal heart failure. Here we describe the clinical course, management and outcome of VAD patients with S. aureus bloodstream infection (SAB). METHODS: We conducted a post hoc analysis of data from 1073 patients who had been prospectively enrolled in two consecutive SAB bicenter cohort studies. Patients with VAD in situ at the onset of SAB were identified. Follow-up of patients was at least 90 days...
May 17, 2018: Journal of Infection
https://www.readbyqxmd.com/read/29778615/explanting-the-nellix-endovascular-aortic-sealing-endoprosthesis-for-proximal-aortic-neck-failure
#12
Cheong Jun Lee, Robert Cuff
Open conversion following endovascular aortic repair (EVAR) has inherent challenges particular to the device being explanted. The Nellix endograft is unlike any other device as it utilizes polymer filling of endobags within the aorto-iliac lumen to seal the AAA sac; a developing concept known as endovascular aortic sealing (EVAS). Conversion to open repair of AAA treated with the Nellix endograft have rarely been discussed. Explants that have been previously reported were for graft infection. We present two Nellix graft explants that were required for device migration and subsequent development of a type IA endoleak...
May 17, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29778563/development-and-evaluation-of-a-rapid-nucleic-acid-amplification-method-to-detect-influenza-a-and-b-viruses-in-human-respiratory-specimens
#13
Sonja Elf, Pauliina Auvinen, Lisa Jahn, Karoliina Liikonen, Solveig Sjöblom, Päivi Saavalainen, Minna Mäki, Kevin E Eboigbodin
Isothermal nucleic acid amplification methods can potentially shorten the amount of time required to diagnose influenza. We developed and evaluated a novel isothermal nucleic acid amplification method, RT-SIBA to rapidly detect and differentiate between influenza A and B viruses in a single reaction tube. The performance of the RT-SIBA Influenza assay was compared with two established RT-PCR methods. The sensitivities of the RT-SIBA, RealStar RT-PCR, and CDC RT-PCR assays for the detection of influenza A and B viruses in the clinical specimens were 98...
April 18, 2018: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29778436/enhanced-central-venous-catheter-bundle-for-pediatric-parenteral-dependent-intestinal-failure
#14
Jennifer A Ormsby, Bola Bukoye, Debra Lajoie, Herminia Shermont, Lisa Martin, Kierrah Leger, Judy Mahoney, Gail Potter-Bynoe, Jane Carpenter, Al Ozonoff, Grace M Lee
BACKGROUND: Central line-associated bloodstream infections (CLABSIs) cause substantial morbidity and increase antimicrobial use and length of stay among hospitalized children in the United States. CLABSI occurs more frequently among high-risk pediatric patients, such as those with intestinal failure (IF) who are parenteral nutrition (PN) dependent. Following an increase in CLABSI rates, a quality improvement (QI) initiative was implemented. METHODS: Using QI methodology, an enhanced central venous catheter (CVC) maintenance bundle was developed and implemented on 2 units for pediatric PN-dependent patients with IF...
May 16, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29778335/postoperative-atrial-fibrillation-is-not-an-innocuous-arrhythmia-in-patients-with-left-ventricular-assist-devices
#15
EDITORIAL
Cipriano Abad, Stefano Urso, Bernardino Clavo
No abstract text is available yet for this article.
April 27, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29778130/the-effect-of-increasing-blood-flow-rate-on-severity-of-uremic-pruritus-in-hemodialysis-patients-a-single-clinical-trial
#16
Mansooreh Aliasgharpour, Soheila Zabolypour, Ahmadali Asadinoghabi, Hamid Haghani, Mahboub Lesanpezeshki
BACKGROUND: Although the prevalence of uremic pruritus has decreased compared to the past, the problem still remains as a matter of health and a major challenge of research in medical field, and has no effective treatment at present. This study aimed to investigate the effect of increasing blood flow rate on severity of uremic pruritus in hemodialysis patients in Iran. METHODS: This clinical trial was performed on 60 hemodialysis patients that referred to hospitals affiliated to Tehran University of Medical Sciences and these patients were selected through the convenience method and were treated for four weeks...
June 2018: Journal of the National Medical Association
https://www.readbyqxmd.com/read/29778102/effects-of-extending-the-length-of-pro-oestrus-in-an-oestradiol-and-progesterone-based-oestrus-synchronisation-program-on-ovarian-function-uterine-environment-and-pregnancy-establishment-in-beef-heifers
#17
J J de la Mata, R Núñez-Olivera, F Cuadro, D Bosolasco, V de Brun, A Meikle, G A Bó, A Menchaca
The aim of the present study was to investigate the effects of a strategy for extending pro-oestrus (the interval between luteolysis and ovulation) in an oestrus synchronisation protocol (named J-Synch) in beef heifers on follicular growth, sexual steroid concentrations, the oestrogen receptor ERα and progesterone receptors (PR) in the uterus, insulin-like growth factor (IGF) 1 and pregnancy rates. In Experiment 1, heifers treated with the new J-Synch protocol had a longer pro-oestrus period than those treated with the conventional protocol (mean (±s...
May 21, 2018: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29778035/formation-of-contact-active-antimicrobial-surfaces-by-covalent-grafting-of-quaternary-ammonium-compounds
#18
REVIEW
Poverenov Elena, Klein Miri
Different synthetic strategies for the formation of contact active antimicrobial materials utilizing covalent linkage of quaternary ammonium compounds (QACs) were reviewed. There is a demand to find methods that will prevent bacterial fouling without the release of antimicrobial agents, because biocides cause environment pollution and promote the development of bacteria resistance mechanisms. The contact active antimicrobial surfaces may provide a useful tool for this purpose. The covalent surface grafting of QACs seems to be a feasible and promising approach for the formation of safe and effective antimicrobial materials that could be utilized for medical devices, food industry, water treatment systems and other applications...
May 16, 2018: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29777986/predicting-of-the-refractive-index-of-haemoglobin-using-the-hybrid-ga-svr-approach
#19
Tajudeen A Oyehan, Ibrahim O Alade, Aliyu Bagudu, Kazeem O Sulaiman, Sunday O Olatunji, Tawfik A Saleh
The optical properties of blood play crucial roles in medical diagnostics and treatment, and in the design of new medical devices. Haemoglobin is a vital constituent of the blood whose optical properties affect all of the optical properties of human blood. The refractive index of haemoglobin has been reported to strongly depend on its concentration which is a function of the physiology of biological cells. This makes the refractive index of haemoglobin an essential non-invasive bio-marker of diseases. Unfortunately, the complexity of blood tissue makes it challenging to experimentally measure the refractive index of haemoglobin...
April 30, 2018: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29777971/symmetric-supercapacitor-sulphurized-graphene-and-ionic-liquid
#20
Jasmin S Shaikh, Navajsharif S Shaikh, Rohini Kharade, Sonali A Beknalkar, Jyoti V Patil, Mahesh P Suryawanshi, Pongsakorn Kanjanaboos, Chang Kook Hong, Jin Hyeok Kim, Pramod S Patil
Symmetric supercapacitor is advanced over simple supercapacitor device due to their stability over a large potential window and high energy density. Graphene is a desired candidate for supercapacitor application since it has a high surface area, good electronic conductivity and high electro chemical stability. There is a pragmatic use of ionic liquid electrolyte for supercapacitor due to its stability over a large potential window, good ionic conductivity and eco-friendly nature. For high performance supercapacitor, the interaction between ionic liquid electrolyte and graphene are crucial for better charge transportation...
May 11, 2018: Journal of Colloid and Interface Science
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