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https://www.readbyqxmd.com/read/29730062/partial-laryngeal-imrt-for-t2n0-glottic-cancer-impact-of-image-guidance-and-radiation-therapy-intensification
#1
Kathy Rock, Shao Hui Huang, Albert Tiong, Lin Lu, Wei Xu, Jolie Ringash, Scott V Bratman, Li Tong, Biu Chan, John Cho, Meredith Giuliani, Andrew Hope, Andrew Bayley, John Kim, John R de Almeida, Brian O'Sullivan, John Waldron
PURPOSE: To assess the impact of the radiation therapy (RT) regimen and image guidance (image guided radiation therapy [IGRT]) protocol on local control (LC) for T2N0 glottic cancer treated with partial laryngeal intensity modulated radiation therapy (IMRT). METHODS AND MATERIALS: All patients with T2N0 glottic cancer treated with IMRT from 2006 to 2013 at a single institution were retrospectively reviewed. The gross tumor volume (GTV), delineated from endoscopic and/or radiologic findings, was expanded 0...
March 30, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29667043/abnormalities-in-thalamo-cortical-connections-in-patients-with-first-episode-schizophrenia-a-two-tensor-tractography-study
#2
Hesham M Hamoda, A T Makhlouf, J Fitzsimmons, Y Rathi, N Makris, R I Mesholam-Gately, J D Wojcik, J Goldstein, R W McCarley, L J Seidman, M Kubicki, M E Shenton
The "cognitive dysmetria" hypothesis suggests that impairments in cognition and behavior in patients with schizophrenia can be explained by disruptions in the cortico-cerebellar-thalamic-cortical circuit. In this study we examine thalamo-cortical connections in patients with first-episode schizophrenia (FESZ). White matter pathways are investigated that connect the thalamus with three frontal cortex regions including the anterior cingulate cortex (ACC), ventrolateral prefrontal cortex (VLPFC), and lateral oribitofrontal cortex (LOFC)...
April 17, 2018: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29584898/an-analysis-of-operating-physician-and-patient-radiation-exposure-during-radial-coronary-angioplasties
#3
Ali Tarighatnia, Asghar Mesbahi, Amir Hossein Mohammad Alian, Evin Koleini, Nader Nader
The objective of this study was to evaluate radiation exposure levels in conjunction with operator dose implemented, patient vascular characteristics, and other technical angiographic parameters. In total, 756 radial coronary angioplasties were evaluated in a major metropolitan general hospital in Tabriz, Iran. The classification of coronary lesions was based on the ACC/AHA system. One interventional cardiologist performed all of the procedures using a single angiography unit. The mean kerma-area product and mean cumulative dose for all cases was 5081 μGy m2 and 814...
March 23, 2018: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/29468699/early-diabetic-retinopathy-diagnosis-based-on-local-retinal-blood-vessels-analysis-in-optical-coherence-tomography-angiography-octa-images
#4
Nabila Eladawi, Mohammed Elmogy, Fahmi Khalifa, Mohammed Ghazal, Nicola Ghazi, Ahmed Aboelfetouh, Alaa Riad, Harpal Sandhu, Shlomit Schaal, Ayman El-Baz
PURPOSE: This paper introduces a new computer-aided diagnosis (CAD) system for detecting early-stage diabetic retinopathy (DR) using optical coherence tomography angiography (OCTA) images. METHODS: The proposed DR-CAD system is based on the analysis of new local features that describe both the appearance and retinal structure in OCTA images. It starts with a new segmentation approach that has the ability to extract the blood vessels from superficial and deep retinal OCTA maps...
February 22, 2018: Medical Physics
https://www.readbyqxmd.com/read/29054258/comparative-approaches-for-classification-of-diabetes-mellitus-data-machine-learning-paradigm
#5
Md Maniruzzaman, Nishith Kumar, Md Menhazul Abedin, Md Shaykhul Islam, Harman S Suri, Ayman S El-Baz, Jasjit S Suri
BACKGROUND AND OBJECTIVE: Diabetes is a silent killer. The main cause of this disease is the presence of excessive amounts of metabolites such as glucose. There were about 387 million diabetic people all over the world in 2014. The financial burden of this disease has been calculated to be about $13,700 per year. According to the World Health Organization (WHO), these figures will more than double by the year 2030. This cost will be reduced dramatically if someone can predict diabetes statistically on the basis of some covariates...
December 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28866320/differences-in-perioperative-femoral-and-radial-arterial-blood-pressure-in-neonates-and-infants-undergoing-cardiac-surgery-requiring-cardiopulmonary-bypass
#6
Hwa Jin Cho, Sang Hoon Lee, In Seok Jeong, Nam Sik Yoon, Jae Sook Ma, Byoung Hee Ahn
OBJECTIVE: Several reports claim that blood pressure (BP) in the radial artery may underestimate the accurate BP in critically ill patients. Here, the authors evaluated differences in mean blood pressure (MBP) between the radial and femoral artery during pediatric cardiac surgery to determine the effectiveness of femoral arterial BP monitoring. METHOD: The medical records of children under 1 year of age who underwent open-heart surgery between 2007 and 2013 were retrospectively reviewed...
January 2018: Jornal de Pediatria
https://www.readbyqxmd.com/read/28694754/using-curcumin-to-prevent-structural-and-behavioral-changes-of-medial-prefrontal-cortex-induced-by-sleep-deprivation-in-rats
#7
Ali Noorafshan, Fatemeh Karimi, Saied Karbalay-Doust, Ali Mohammad Kamali
Sleep Deprivation (SD) is known to result in a range of neurological consequences in chronically-afflicted subjects. Curcumin, a natural substance, has neuroprotective properties. This study aimed to evaluate the effects of curcumin on the medial Prefrontal Cortex (mPFC) of SD rats. Male rats were arbitrarily assigned to nine groups, including control, curcumin (100 mg/kg/day), olive oil, SD, SD+curcumin, SD+olive oil, grid, grid+curcumin, and grid+olive oil groups. SD was induced by a multiplatform box containing water...
2017: EXCLI Journal
https://www.readbyqxmd.com/read/27865187/final-shape-of-biovascular-scaffolds-and-clinical-outcome-results-from-a-multicenter-all-comers-study-with-intravascular-imaging
#8
MULTICENTER STUDY
Bernardo Cortese, Davide Piraino, Roberto A Latini, Dennis Zavalloni, Alfonso Ielasi, Piefrancesco Agostoni, Pietro Mazzarotto, Maurizio Tespili, Romano Seregni
AIMS: Radial strength of bioresorbable vascular scaffolds (BVS) implanted in coronary arteries is still under debate. Moreover, their final shape patterns, when implanted in an all-comer, unselected population, have not yet been completely correlated with clinical outcome and should be better investigated. METHODS AND RESULTS: A multicenter collaborative analysis was performed on all consecutive patients with native coronary artery disease undergoing PCI with intravascular imaging-guided BVS implantation...
February 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27860277/comparison-of-transradial-and-transfemoral-access-in-patients-undergoing-percutaneous-coronary-intervention-for-complex-coronary-lesions
#9
COMPARATIVE STUDY
Edward Koifman, Michael A Gaglia, Ricardo O Escarcega, Nelson L Bernardo, Robert A Lager, Robert A Gallino, Itsik Ben-Dor, Augusto D Pichard, Nevin C Baker, Michael J Lipinski, Sarkis Kiramijyan, Smita I Negi, Rebecca Torguson, Jiaxiang Gai, William O Suddath, Lowell F Satler, Ron Waksman
OBJECTIVE: Comparison of transradial versus transfemoral access for complex percutaneous coronary intervention (PCI) with regard to both complications and long-term outcomes. BACKGROUND: Radial access has been shown to confer superior results in patients undergoing PCI, especially in patients with acute coronary syndromes. However, radial access has limitations of sheath and device size, which may increase procedure time and result in inferior outcomes. METHODS: Patients undergoing PCI for complex lesions, defined as type C according the ACC/AHA classification system, were included in this study...
March 1, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27692659/postoperative-assessment-of-left-ventricular-function-by-two-dimensional-strain-speckle-tracking-after-paediatric-cardiac-surgery
#10
Elodie Perdreau, Pierre-Emmanuel Séguéla, Zakaria Jalal, Adrien Perdreau, Jean-Baptiste Mouton, Marie Nelson-Veniard, Elodie Guillet, Xavier Iriart, Alexandre Ouattara, François Roubertie, Philippe Mauriat, Jean-Benoit Thambo
BACKGROUND: Left ventricular (LV) dysfunction may complicate paediatric cardiac surgery with cardiopulmonary bypass, notably after long aortic cross-clamping (ACC). Assessment of occult myocardial injury by conventional echocardiographic variables may be difficult in the postoperative period. AIMS: To evaluate the feasibility of two-dimensional (2D) strain in the postoperative period, and to assess the effect of ACC duration on this variable. METHODS: Thirty-three paediatric patients (age<18years) with congenital heart disease undergoing cardiac surgery with cardiopulmonary bypass were included in this prospective single-centre study...
November 2016: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/27417010/management-of-patients-with-nste-acs-a-comparison-of-the-recent-aha-acc-and-esc-guidelines
#11
REVIEW
Fatima Rodriguez, Kenneth W Mahaffey
Non-ST-segment elevation acute coronary syndromes (NSTE-ACS) are the leading cause of morbidity and mortality from cardiovascular disease worldwide. The American Heart Association/American College of Cardiology and the European Society of Cardiology periodically release practice guidelines to guide clinicians in the management of NSTE-ACS, most recently in in 2014 and 2015, respectively. The present review compares and contrasts the 2 guidelines, with a focus on the strength of recommendation and level of evidence in the approach to initial presentation and diagnosis of NSTE-ACS, risk assessment, treatments, and systems of care...
July 19, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27165861/high-prevalence-of-abdominal-aortic-calcification-in-patients-with-primary-hyperparathyroidism-as-evaluated-by-kauppila-score
#12
Jessica Pepe, Daniele Diacinti, Emanuela Fratini, Italo Nofroni, Antonella D'Angelo, Roberta Pilotto, Claudio Savoriti, Luciano Colangelo, Orlando Raimo, Mirella Cilli, Cristiana Cipriani, Salvatore Minisola
OBJECTIVE: The prevalence of abdominal aortic calcification (AAC) in primary hyperparathyroidism (PHPT) is unknown. We assessed both prevalence and severity of AAC in PHPT postmenopausal women. METHODS: In this study 70 PHPT postmenopausal women and 70 age- and sex-matched controls were enrolled. Each participant underwent biochemical evaluation, lateral spine radiograph, bone mineral density (BMD) measurement (lumbar, femoral, radial sites), and kidney ultrasound...
August 2016: European Journal of Endocrinology
https://www.readbyqxmd.com/read/26887913/molecular-dynamic-simulations-and-structure-based-pharmacophore-development-for-farnesyltransferase-inhibitors-discovery
#13
N S Hari Narayana Moorthy, Sergio F Sousa, Maria J Ramos, Pedro A Fernandes
Farnesyltransferase is one of the enzyme targets for the development of drugs for diseases, including cancer, malaria, progeria, etc. In the present study, the structure-based pharmacophore models have been developed from five complex structures (1LD7, 1NI1, 2IEJ, 2ZIR and 2ZIS) obtained from the protein data bank. Initially, molecular dynamic (MD) simulations were performed for the complexes for 10 ns using AMBER 12 software. The conformers of the complexes (75) generated from the equilibrated protein were undergone protein-ligand interaction fingerprint (PLIF) analysis...
December 2016: Journal of Enzyme Inhibition and Medicinal Chemistry
https://www.readbyqxmd.com/read/25537994/right-ventricular-function-in-hypertrophic-cardiomyopathy-a-speckle-tracking-echocardiography-study
#14
Altuğ Cincin, Kürşat Tigen, Tansu Karaahmet, Cihan Dündar, Emre Gürel, Mustafa Bulut, Murat Sünbül, Yelda Başaran
OBJECTIVE: The aim of this study was to explore right ventricular (RV) mechanical function in patients with hypertrophic cardiomyopathy (HCM) by 2-D speckle tracking echocardiography (2-D-STE). METHODS: Forty-three patients with HCM (mean age 48, 17 females) and 40 healthy subjects were consecutively included in this cross-sectional study. The diagnosis of HCM was based on the presence of typical clinical, electrocardiographic (ECG), and echocardiographic features...
July 2015: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/25279556/inactivation-of-the-anterior-cingulate-reveals-enhanced-reliance-on-cortical-networks-for-remote-spatial-memory-retrieval-after-sequential-memory-processing
#15
Brianne C Wartman, Jennifer Gabel, Matthew R Holahan
One system consolidation model suggests that as time passes, ensembles of cortical neurons form strong connections to represent remote memories. In this model, the anterior cingulate cortex (ACC) serves as a cortical region that represents remote memories. However, there is debate as to whether remote spatial memories go through this systems consolidation process and come to rely on the ACC. The present experiment examined whether increasing the processing demand on the hippocampus, by sequential training on two spatial tasks, would more fully engage the ACC during retrieval of a remote spatial memory...
2014: PloS One
https://www.readbyqxmd.com/read/24795581/the-impact-of-multiple-memory-formation-on-dendritic-complexity-in-the-hippocampus-and-anterior-cingulate-cortex-assessed-at-recent-and-remote-time-points
#16
Brianne C Wartman, Matthew R Holahan
Consolidation processes, involving synaptic and systems level changes, are suggested to stabilize memories once they are formed. At the synaptic level, dendritic structural changes are associated with long-term memory storage. At the systems level, memory storage dynamics between the hippocampus and anterior cingulate cortex (ACC) may be influenced by the number of sequentially encoded memories. The present experiment utilized Golgi-Cox staining and neuron reconstruction to examine recent and remote structural changes in the hippocampus and ACC following training on three different behavioral procedures...
2014: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/24781987/agenesis-of-the-corpus-callosum-due-to-defective-glial-wedge-formation-in-lhx2-mutant-mice
#17
Gregory A Chinn, Karla E Hirokawa, Tony M Chuang, Cecilia Urbina, Fenil Patel, Jeanette Fong, Nobuo Funatsu, Edwin S Monuki
Establishment of the corpus callosum involves coordination between callosal projection neurons and multiple midline structures, including the glial wedge (GW) rostrally and hippocampal commissure caudally. GW defects have been associated with agenesis of the corpus callosum (ACC). Here we show that conditional Lhx2 inactivation in cortical radial glia using Emx1-Cre or Nestin-Cre drivers results in ACC. The ACC phenotype was characterized by aberrant ventrally projecting callosal axons rather than Probst bundles, and was 100% penetrant on 2 different mouse strain backgrounds...
September 2015: Cerebral Cortex
https://www.readbyqxmd.com/read/24273213/procedural-variation-in-the-performance-of-primary-percutaneous-coronary-intervention-for-st-elevation-myocardial-infarction-a-scai-based-survey-study-of-us-interventional-cardiologists
#18
Austin Chiang, Hemal Gada, Susheel K Kodali, Michael S Lee, Allen Jeremias, Duane S Pinto, Sripal Bangalore, Robert W Yeh, Timothy D Henry, Georgina Lopez-Cruz, Roxana Mehran, Ajay J Kirtane
BACKGROUND: Great strides have been made in improving outcomes for patients with ST-elevation myocardial infarction (STEMI), predominately through initiatives focusing upon improving clinical processes "upstream" of percutaneous coronary intervention (PCI). The actual step-by-step mechanics of diagnostic angiography during STEMI and other aspects of the PCI procedure itself have received relatively little attention. OBJECTIVES AND METHODS: We hypothesized that there would be significant variation in how primary PCI for STEMI is performed in the United States...
April 1, 2014: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/24182850/-the-use-of-the-five-in-six-system-for-stent-delivery-in-challenging-coronary-lesions-a-multi-center-experience
#19
MULTICENTER STUDY
Y Derraz, H Benamer, T Lefèvre, B Chevalier, T Hovasse, R Chaito, P Garot, M-C Morice, Y Louvard
BACKGROUND: The mother and child "5-in-6" technique using the Heartrail II catheter is a novel tool allowing stent delivery in challenging lesions, when conventional techniques have failed. METHODS: A total of 147 consecutive patients underwent percutaneous coronary intervention (PCI) using the "5-in-6" Heartrail II catheter was restrospectively identified in the Institut Cardiovasculaire Paris Sud, (Jacques-cartier hospital), Institut hospitalier Claude-Galien (Claude-Galien hospital) and European hospital of Paris between July 2009 and September 2012...
December 2013: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/24112741/an-audit-of-outcomes-after-same-day-discharge-post-pci-in-acute-coronary-syndrome-and-elective-patients
#20
Emily C Hodkinson, Adesh Ramsewak, John Conleth Murphy, James A Shand, Anthony J McClelland, Ian B A Menown, Colm G Hanratty, Mark S Spence, Simon J Walsh
OBJECTIVES: To investigate the outcomes of a cohort of acute and elective percutaneous coronary intervention (PCI) patients who were discharged home 6 hours postprocedure. BACKGROUND: Contemporary PCI is safe with a low rate of acute complications. It is well established as a day procedure in elective cases; however, data are lacking in acute cases. METHODS: We describe a prospective observational audit of routine clinical practice in the 3 PCI centers in Northern Ireland...
December 2013: Journal of Interventional Cardiology
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