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RCA

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https://www.readbyqxmd.com/read/28734584/prospective-evaluation-of-the-development-of-contrast-induced-nephropathy-in-patients-with-acute-coronary-syndrome-undergoing-rotational-coronary-angiography-vs-conventional-coronary-angiography-cinerama-study
#1
Diego Fernández-Rodríguez, José J Grillo-Pérez, Horacio Pérez-Hernández, Marcos Rodríguez-Esteban, Raquel Pimienta, Carlos Acosta-Materán, Sara Rodríguez, Geoffrey Yanes-Bowden, Manuel J Vargas-Torres, Alejandro Sánchez-Grande Flecha, Julio Hernández-Afonso, Francisco Bosa-Ojeda
INTRODUCTION AND OBJECTIVES: Rotational coronary angiography (RCA) requires less contrast to be administered and can prevent the onset of contrast-induced nephropathy (CIN) during invasive coronary procedures. The aim of the study is to evaluate the impact of RCA on CIN (increase in serum creatinine ≥0.5mg/dl or ≥25%) after an acute coronary syndrome. METHODS: From April to September 2016, patients suffering acute coronary syndromes who underwent diagnostic coronary angiography, with the possibility of ad hoc coronary angioplasty, were prospectively enrolled...
July 19, 2017: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/28733739/variation-and-treatment-of-vessels-in-laparoscopic-right-hemicolectomy
#2
Kai Ye, Jianan Lin, Yafeng Sun, Yiyang Wu, Jianhua Xu, Songbing He
BACKGROUND: With the introduction of complete mesocolic excision (CME) and the application of laparoscopic technique, surgery for colon cancer has become more standardized and the curative effect has improved [1]. The key points in laparoscopic right hemicolectomy are high ligation of main vessels and root dissection of lymph nodes. The wide range of variations in vascular architecture and intraoperative bleeding are common causes of prolonged surgical time, wound hemorrhage, and even transfer to the opening operation...
July 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28723196/label-free-homogeneous-electroanalytical-platform-for-pesticide-detection-based-on-acetylcholinesterase-mediated-dna-conformational-switch-integrated-with-rolling-circle-amplification
#3
Xiaojuan Liu, Mengmeng Song, Ting Hou, Feng Li
This study addresses the need for sensitive pesticide assay by reporting a new label-free and immobilization-free homogeneous electroanalytical strategy, which combines acetylcholinesterase (AChE)-catalyzed hydrolysis product-mediated DNA conformational switch and rolling circle amplification (RCA) to detect organophosphorous and carbamate pesticides in a "signal-on" mode. When target pesticides were present, AChE activity was inhibited and could not trigger the following DNA conformational change and the RCA reaction, which results in numerous methylene blue (MB) molecules in a free state, generating a strong electrochemical response...
April 28, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28722430/multi-amplified-sensing-of-microrna-by-a-small-dna-fragment-driven-enzymatic-cascade-reaction
#4
Eunjung Kim, Philip D Howes, Spencer W Crowder, Molly M Stevens
Combining technological developments such as nanomaterials, DNA nanotechnology, and functional enzymes has great potential to facilitate next generation high performance molecular diagnostic systems. In this work, we describe a microRNA (miRNA) detection assay that combines target recycling and isothermal amplification in an elegantly designed enzyme-mediated cascade reaction. Target recycling is driven by the action of duplex-specific nuclease (DSN), resulting in highly amplified translation of input miRNA to short output DNA fragments...
January 27, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28697899/hiv-and-coronary-disease-when-secondary-prevention-is-insufficient
#5
Ana Sofia Carvalho, Rui Osório Valente, Luís Almeida Morais, Pedro Modas Daniel, Ramiro Sá Carvalho, Lurdes Ferreira, Rui Cruz Ferreira
Highly active antiretroviral therapy (HAART) has created a new paradigm for human immunodeficiency virus (HIV)-infected patients, but their increased risk for coronary disease is well documented. We present the case of a 57-year-old man, co-infected with HIV-2 and hepatitis B virus, adequately controlled and with insulin-treated type 2 diabetes and dyslipidemia, who was admitted with non-ST elevation acute myocardial infarction. Coronary angiography performed on day four of hospital stay documented two-vessel disease (mid segment of the right coronary artery [RCA, 90% stenosis] and the first marginal)...
July 8, 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28692492/criteria-for-the-addition-of-prone-imaging-to-myocardial-perfusion-single-photon-emission-computed-tomography-for-inferior-wall
#6
Koji Nakaya, Masahisa Onoguchi, Yoshihiro Nishimura, Keisuke Kiso, Hideki Otsuka, Yoshifumi Nouno, Takayuki Shibutani, Eisuke Yasuda
OBJECTIVE: Myocardial perfusion single-photon emission computed tomography (SPECT) is occasionally suspected to generate images that represent either ischemia or infarction for the inferior wall [right coronary artery (RCA) disease] or attenuation artifacts because of the diaphragm. We often encounter this. The application of prone imaging is advantageous in the differentiation of RCA disease because of attenuation artifacts. If decreased accumulation of radioisotopes is observed at the site with either RCA disease or attenuation artifacts, then a criterion that enables the addition of prone imaging should be implemented...
July 7, 2017: Nuclear Medicine Communications
https://www.readbyqxmd.com/read/28690312/wolff-parkinson-white-syndrome-with-ventricular-hypertrophy-in-a-brazilian-family
#7
Lenises de Paula van der Steld, Oscar Campuzano, Alexandra Pérez-Serra, Mabel Moura de Barros Zamorano, Selma Sousa Matos, Ramon Brugada
BACKGROUND PRKAG2 syndrome diagnosis is already well-defined as Wolff-Parkinson-White syndrome (WPW), ventricular hypertrophy (VH) due to glycogen accumulation, and conduction system disease (CSD). Because of its rarity, there is a lack of literature focused on the treatment. The present study aimed to describe appropriate strategies for the treatment of affected family members with PRKAG2 syndrome with a long follow-up period. CASE REPORT We studied 60 selected individuals from 84 family members (32 males, 53...
July 10, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28690299/optical-coherence-tomography-assessment-of-glucose-fluctuation-impact-on-the-neointimal-proliferation-after-stent-implantation-in-a-diabetic-hypercholesterolemic-swine-model
#8
Jinggang Xia, Yang Qu, Chunlin Yin, Dong Xu
The aim of the present study was to investigate the effects of glucose fluctuation on neointimal proliferation after stent implantation by optical coherence tomography (OCT) in a diabetic/hypercholesterolemic (DM/HC) swine model.A total of 24 everolimus-eluting stents (EES) were implanted in the right coronary artery (RCA) of the animals using a 20% overstretch ratio. The 24 swines were divided into a DM-high glucose fluctuation (HGF) group (n = 8), DMlow glucose fluctuation (LGF) group (n = 8), and a control group (n = 8)...
July 10, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28690297/successful-complete-revascularization-with-pci-using-super-low-volume-of-contrast-medium-in-a-patient-with-three-vessel-disease-including-2-chronic-total-occlusions-with-severe-renal-dysfunction
#9
Masahiro Koide, Masayuki Kato, Kimihito Usui, Kayoko Mera, Yoshinori Tsubakimoto, Koji Isodono, Tomohiko Sakatani, Akiko Matsuo, Keiji Inoue, Hiroshi Fujita
The most important factor for preventing contrast-induced nephropathy (CIN) during percutaneous coronary intervention (PCI) in patients with severe renal dysfunction is to minimize the contrast volume. Herein, we report a successful case of complete revascularization after 3 separate PCI procedures using a super-low volume of contrast medium in a patient with 3-vessel disease, including two chronic total occlusions (CTOs). A 70-year-old man having exertional angina despite maximal medical therapy was referred to our hospital...
July 10, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28689986/quaternion-based-study-of-angular-velocity-of-the-cardiac-vector-during-myocardial-ischaemia
#10
Pablo Daniel Cruces, Pedro David Arini
BACKGROUND: Early detection of acute ischaemia through non-invasive methods remains a challenge in health research. Ischaemic condition caused by a decrease in the blood supply in a cardiac region induces hypoxia and metabolic abnormalities that contribute to the electrical instability of the heart and to the development of slow conduction in damaged tissue. METHODS: Herein, a percutaneous transluminal coronary angiography (PTCA) is considered as a model of supply ischaemia...
June 30, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28689323/a-sensitive-colorimetric-assay-system-for-nucleic-acid-detection-based-on-isothermal-signal-amplification-technology
#11
Bo Hu, Jing Guo, Ying Xu, Hua Wei, Guojie Zhao, Yifu Guan
Rapid and accurate detection of microRNAs in biological systems is of great importance. Here, we report the development of a visual colorimetric assay which possesses the high amplification capabilities and high selectivity of the rolling circle amplification (RCA) method and the simplicity and convenience of gold nanoparticles used as a signal indicator. The designed padlock probe recognizes the target miRNA and is circularized, and then acts as the template to extend the target miRNA into a long single-stranded nucleotide chain of many tandem repeats of nucleotide sequences...
July 8, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28687202/aunp-ctg-based-probing-system-targeting-cag-repeat-dna-and-rna-sequences
#12
Binh Huy Le, Han Na Joo, Do Won Hwang, Kyu Wan Kim, Young Jun Seo
We have developed a AuNP-CTG based probing system that is applicable to the detection of many units of CAG repeat sequences which was synthesized by a rolling circle amplification (RCA) system with changes in fluorescence. We also demonstrate that our AuNP-CTG based probing system could transfect without using transfection reagent and detect target CAG repeat sequences in HeLa cells with dramatic changes in fluorescence. This AuNP-CTG based probing system could also be used, in conjunction with the CAG repeat RCA system, to detect target DNA...
June 27, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28685952/a-dual-discrimination-mode-for-improved-specificity-towards-let-7a-detection-via-a-single-base-mutated-padlock-probe-based-exponential-rolling-circle-amplification
#13
Ruixue Li, Yinan Wang, Pei Wang, Jianzhong Lu
MicroRNA (miRNA) family members are usually highly homologous sequences, and it is a challenging task to selectively detect one miRNA member from other family members in medical diagnosis. Here, we describe the design of a dual discrimination mode for improved specificity towards let-7a detection over the other members of the let-7 family, in which an intentional base mutation was introduced into the padlock probe of an exponential rolling circle amplification. The inherent discrimination power of the padlock probe and the introduced base mutation constituted a dual discrimination mode, which provided enhanced specificity for let-7a, even over single-base mismatched family sequences...
July 7, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/28685856/the-performance-of-a-resazurin-chromogenic-agar-plate-with-a-combined-disc-method-for-rapid-screening-of-extended-spectrum-%C3%AE-lactamases-ampc-%C3%AE-lactamases-and-co-%C3%AE-lactamases-in-enterobacteriaceae
#14
Yothin Teethaisong, Katie Evans, Ismini Nakouti, Kanokwan Tiamyom, James R Ketudat-Cairns, Glyn Hobbs, Griangsak Eumkeb
A resazurin chromogenic agar (RCA) along with combined disc method has been developed as a promising method for rapid screening of extended-spectrum-β-lactamase (ESBL), AmpC β-lactamase, and co-production of ESBL and AmpC. Cefpodoxime (CPD) discs supplemented with and without clavulanic acid (CA), cloxacillin (CX), or CA+CX were evaluated against 86-molecularly confirmed β-lactamase-producing Enterobacteriaceae, including 15 ESBLs, 32 AmpCs, 9 co-producers of ESBL and AmpC, and 30 carbapenemase producers...
July 7, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28680199/diagnostic-accuracy-of-stress-myocardial-perfusion-imaging-in-indian-diabetic-patients-a-single-centre-experience
#15
Deepa Kumar, Ravinder Singh Sethi, Sandeep Bansal, Padma A Namgyal, Aditi Khurana Sehgal, Tajamul Syed Malik
Diabetics have around 2-4 times increased risk of coronary artery disease(CAD) and it is the most important cause of mortality in these patients. This study was carried out to compare the sensitivity, specificity and accuracy of MPI-SPECT among diabetics and non-diabetics in the Indian population. MATERIAL AND METHODS: This retrospective study included 261 patients; 213 males and 48 females, with 75 diabetic and 186 non-diabetic patients. Only type II diabetics and non-diabetic patients were included in the study...
July 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28678068/anesthesia-adverse-events-voluntarily-reported-in-the-veterans-health-administration-and-lessons-learned
#16
Julia Neily, Elda S Silla, Sam John T Sum-Ping, Roberta Reedy, Douglas E Paull, Lisa Mazzia, Peter D Mills, Robin R Hemphill
BACKGROUND: Anesthesia providers have long been pioneers in patient safety. Despite remarkable efforts, anesthesia errors still occur, resulting in complications, injuries, and even death. The Veterans Health Administration (VHA) National Center of Patient Safety uses root cause analysis (RCA) to examine why system-related adverse events occur and how to prevent future similar events. This study describes the types of anesthesia adverse events reported in VHA hospitals and their root causes and preventative actions...
July 1, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28669437/is-the-right-internal-thoracic-artery-superior-to-saphenous-vein-for-grafting-the-right-coronary-artery-a-propensity-score-based-analysis
#17
Umberto Benedetto, Massimo Caputo, Mario Gaudino, Giovanni Mariscalco, Alan Bryan, Gianni D Angelini
OBJECTIVES: Although the use of the right internal thoracic artery (RITA) as second arterial conduit to graft the left coronary system consistently has been shown to provide a survival benefit compared with the saphenous vein graft (SVG), the choice of conduit for the right coronary artery (RCA) system remains controversial. We compared long-term (>15 years) survival in patients who underwent RITA-RCA versus SVG-RCA grafting at a single institution. METHODS: The study population consisted of 7223 patients undergoing coronary artery bypass graft surgery...
May 22, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28667186/analytically-sensitive-protein-detection-in-microtiter-plates-by-proximity-ligation-with-rolling-circle-amplification
#18
Tonge Ebai, Felipe Marques Souza de Oliveira, Liza Löf, Lotta Wik, Caroline Schweiger, Anders Larsson, Ulrich Keilholtz, Johannes Haybaeck, Ulf Landegren, Masood Kamali-Moghaddam
BACKGROUND: Detecting proteins at low concentrations in plasma can be crucial for early diagnosis. Current techniques used in clinical routine, such as sandwich ELISA, provide for protein detection because of a dependence on target recognition by pairs of antibodies, but detection of low protein concentrations is often called for. Proximity ligation assay with rolling circle amplification (PLARCA) is an adaptation of the proximity ligation assay (PLA) for analytically specific and sensitive protein detection via binding of target proteins by 3 antibodies, and signal amplification via rolling circle amplification (RCA) in microtiter wells, in a manner easily adapted to instrumentation in use in hospitals...
June 30, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28623088/patient-reported-activities-after-reverse-total-shoulder-arthroplasty-in-rotator-cuff-arthropathy-patients
#19
B Alcobía-Díaz, Y Lópiz, C García-Fernández, B Rizo de Álvaro, F Marco
INTRODUCTION AND OBJECTIVE: Reverse total shoulder arthroplasty in rotator cuff arthropathy patients, improves anteversion and abduction, but not rotational, outcomes. The main aim of this study is to determine its repercussions on daily life activities in our patients. MATERIAL AND METHODS: Between 2009 and 2011 we implanted 210 shoulder arthroplasties, 126 of them were reverse total shoulder arthroplasty in a rotator cuff arthropathy context. About 88% were women, with a mean age at time of surgery of 81 years, 95% were retired...
June 13, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28622819/systematic-and-organizational-issues-implicated-in-post-hospitalization-suicides-of-medically-hospitalized-patients-a-study-of-root-cause-analysis-reports
#20
Natalie Riblet, Brian Shiner, Peter Mills, Brett Rusch, Robin Hemphill, Bradley V Watts
OBJECTIVE: Medical hospitalization is a high risk period for suicide. It is important to understand system-level factors that may be associated with suicide after a medical hospitalization. METHOD: Retrospective study of root-cause analysis (RCA) reports of suicide occurring within three months of Veterans Administration (VA) medical hospitalization, 2002-2015. We collected patient and system-level factors to characterize events. RESULTS: There were 96 RCA reports pertaining to suicide within three months of medical hospitalization...
May 2017: General Hospital Psychiatry
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