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https://www.readbyqxmd.com/read/28731927/injectate-spread-following-anterior-sub-costal-and-posterior-approaches-to-the-quadratus-lumborum-block-a-comparative-cadaveric-study
#1
Hesham Elsharkawy, Kariem El-Boghdadly, Sree Kolli, Wael A S Esa, Sean DeGrande, Loran M Soliman, Richard L Drake
BACKGROUND: The dermatomal level of analgesia achieved with quadratus lumborum blocks varies according to the location of injection. The most commonly used approaches are either at the postero-lateral aspect or anterior to the quadratus lumborum muscle. The aim of the study was to determine whether the site of injection of contrast dye around the quadratus lumborum muscle of cadavers affects the extent and mechanism of dye spread. METHODS: Six fresh human cadavers received either a posterior quadratus lumborum block or an anterior sub-costal quadratus lumborum block on each side...
July 20, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28713114/retrospective-assessment-of-healing-outcome-of-endodontic-treatment-for-mandibular-molars-with-c-shaped-root-canal
#2
Anika Bansal, Anuj Singh Parihar, Achla Sethi, Kishore Kumar Majety, Jaina Panjabi, Basanta Kumar Choudhury
INTRODUCTION: A thorough knowledge of the anatomic morphology of the root canal system is necessary for the long-term success of the root canal therapy. The occurrence of C-shaped root canal configuration is one such variation. Achievement of favorable prognosis after commencing root canal therapy in such teeth is one of the challenges imposed on the endodontist. Hence, we evaluated the healing occurring after endodontic therapy in patients with C-shaped root canals in mandibular molars...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28681951/natural-succession-on-abandoned-cropland-effectively-decreases-the-soil-erodibility-and-improves-the-fungal-diversity
#3
Chao Zhang, Guobin Liu, Zilin Song, Dong Qu, Linchuan Fang, Lei Deng
Changes in plants and soils during natural succession have been evaluated, but little is known about the effects of succession on the activities of soil microbes and their interactions with soil erodibility. We conducted a field study on the Chinese Loess Plateau, typical of this semiarid area, to determine the effect of secondary succession on the stability of soil structure against erosion and on the composition of soil fungal communities. Characteristics of plant, soil, and fungal communities were assessed across a 30-year chronosequence of grassland developed from abandoned cropland...
July 6, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28672773/generalized-confidence-intervals-for-intra-and-inter-subject-coefficients-of-variation-in-linear-mixed-effects-models
#4
Johannes Forkman
Linear mixed-effects models are linear models with several variance components. Models with a single random-effects factor have two variance components: the random-effects variance, i. e., the inter-subject variance, and the residual error variance, i. e., the intra-subject variance. In many applications, it is practice to report variance components as coefficients of variation. The intra- and inter-subject coefficients of variation are the square roots of the corresponding variances divided by the mean...
June 15, 2017: International Journal of Biostatistics
https://www.readbyqxmd.com/read/28667741/coronal-advanced-flap-in-combination-with-a-connective-tissue-graft-is-the-thickness-of-the-flap-a-predictor-for-root-coverage-a-prospective-clinical-study
#5
Teresa Garcés, Josep Maria Carbonell, Lluis Vallcorba, Antonio Santos, Cristina Valles, Jose Nart
AIM: Evaluate if there is any relationship between the flap thickness and the presence of complete root coverage when performing coronally advanced flaps in combination with a connective tissue graft. MATERIAL AND METHODS: Prospective clinical study, in which multiple Miller class I and II recessions were treated with a coronally advanced flap and a connective tissue graft standardized at 1mm of thickness. Individual stents permitted repeated mesurements of conventional periodontal parameters at the same point...
July 1, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28651838/progress-and-challenges-in-measles-and-rubella-elimination-in-the-who-european-region
#6
Siddhartha Sankar Datta, Patrick Michael O'Connor, Dragan Jankovic, Mark Muscat, Myriam Corrine Ben Mamou, Simarjit Singh, Theodoros Kaloumenos, Susan Reef, Mark Papania, Robb Butler
INTRODUCTION: Despite availability of safe and cost-effective vaccines to prevent it, measles remains one of the significant causes of death among children under five years of age globally. The World Health Organization (WHO) European Region has seen a drastic decline in measles and rubella cases in recent years, and a few of the once common measles genotypes are no longer detected. Buoyed by this success, all Member States of the Region reconfirmed their commitment in 2010 to eliminating measles and rubella, and made this a central objective of the European Vaccine Action Plan 2015-2020 (EVAP)...
June 23, 2017: Vaccine
https://www.readbyqxmd.com/read/28650476/cry2h-seq-a-massively-multiplexed-assay-for-deep-coverage-interactome-mapping
#7
Shelly A Trigg, Renee M Garza, Andrew MacWilliams, Joseph R Nery, Anna Bartlett, Rosa Castanon, Adeline Goubil, Joseph Feeney, Ronan O'Malley, Shao-Shan C Huang, Zhuzhu Z Zhang, Mary Galli, Joseph R Ecker
Broad-scale protein-protein interaction mapping is a major challenge given the cost, time, and sensitivity constraints of existing technologies. Here, we present a massively multiplexed yeast two-hybrid method, CrY2H-seq, which uses a Cre recombinase interaction reporter to intracellularly fuse the coding sequences of two interacting proteins and next-generation DNA sequencing to identify these interactions en masse. We applied CrY2H-seq to investigate sparsely annotated Arabidopsis thaliana transcription factors interactions...
June 26, 2017: Nature Methods
https://www.readbyqxmd.com/read/28626998/large-coverage-black-bright-blood-interleaved-imaging-sequence-labbi-for-3d-dynamic-contrast-enhanced-mri-of-vessel-wall
#8
Haikun Qi, Feng Huang, Zechen Zhou, Peter Koken, Niranjan Balu, Bida Zhang, Chun Yuan, Huijun Chen
PURPOSE: To propose a large coverage black-bright blood interleaved imaging sequence (LaBBI) for 3D dynamic contrast-enhanced MRI (DCE-MRI) of the vessel wall. METHODS: LaBBI consists of a 3D black-blood stack-of-stars golden angle radial acquisition with high spatial resolution for vessel wall imaging and a 2D bright-blood Cartesian acquisition with high temporal resolution for arterial input function estimation. The two acquisitions were performed in an interleaved fashion within a single scan...
June 19, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28620633/efficacy-of-human-umbilical-stem-cells-cultured-on-polylactic-polyglycolic-acid-membrane-in-the-treatment-of-multiple-gingival-recession-defects-a-randomized-controlled-clinical-study
#9
Kushal Zanwar, Kiran Kumar Ganji, Manohar L Bhongade
STATEMENT OF THE PROBLEM: Recently allogenic mesenchymal stem cells are proposed to have multipotential progenitor cell capabilities to differentiate into cementoblasts, osteoblasts, and periodontal ligament fibroblasts. PURPOSE: The aim of the present study was to compare the efficacy of human umbilical stem cells cultured on polylactic acid (PLA), polyglycolic acid (PGA) membrane with PLA/PGA membrane alone in the treatment of multiple gingival recession defects...
June 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28612318/somatosensory-neuron-typing-with-high-coverage-single-cell-rna-sequencing-and-functional-analysis
#10
REVIEW
Changlin Li, Sashuang Wang, Yan Chen, Xu Zhang
Different physical and chemical stimuli are detected by the peripheral sensory receptors of dorsal root ganglion (DRG) neurons, and the generated inputs are transmitted via afferent fibers into the central nervous system. The gene expression profiles of DRG neurons contribute to the generation, transmission, and regulation of various somatosensory signals. Recently, the single-cell transcriptomes, cell types, and functional annotations of somatosensory neurons have been studied. In this review, we introduce our classification of DRG neurons based on single-cell RNA-sequencing and functional analyses, and discuss the technical approaches...
June 13, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28609505/creation-of-a-zone-of-immobile-connective-tissue-with-acellular-dermal-matrix-allografts
#11
Ramzi V Abou-Arraj, Maninder Kaur, Philip J Vassilopoulos, Nicolaas C Geurs
Acellular dermal matrix allografts (ADMs) have been hypothesized to create a zone of immobile connective tissue (ICT) extending apical to the mucogingival junction (MGJ). This 12-month prospective randomized trial investigated the presence of ICT after the use of two commercially available ADMs with coronally advanced flaps in the treatment of Miller Class I and II recession defects. This study demonstrated that the use of either type of ADM resulted in predictable root coverage and a zone of ICT extending apical to the MGJ by 1...
July 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28609501/coronally-advanced-flap-technique-to-treat-class-i-and-ii-gingival-recession-in-combination-with-connective-tissue-graft-or-equine-collagen-matrix-a-retrospective-study
#12
Giacomo Tarquini
This retrospective study aimed to compare the effectiveness of an equine collagen matrix (ECM) with that of a subepithelial connective tissue graft (CTG) in patients affected by Class I and II gingival recessions treated with a coronally advanced flap (CAF) technique. Records of 50 consecutive patients were analyzed. Recession depth, probing depth, keratinized tissue width, and percentage of root coverage had been recorded at baseline and at the 1-year follow-up. The number of patients that achieved complete root coverage was also assessed...
July 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28591059/left-sinus-of-valsalva-aneurysm-ruptured-into-left-ventricle-a-case-report-of-320-multidetector-ct-findings
#13
Kyungsoo Bae, Kyung Nyeo Jeon, Hyang-Im Lee, Jeong Yoon Jang, Sung Eun Park, Kyeong Hwa Ryu, Hye Jin Baek, Bo Hwa Choi, Jin Il Moon, Soo Buem Cho
RATIONALE: Ruptured aneurysm originating from the left coronary sinus of Valsalva into the left ventricle (LV) is extremely rare. Imaging features of sinus aneurysm has been commonly reported using echocardiography or angiography. Here, we report multidetector computed tomography (MDCT) findings of left sinus of Valsalva aneurysm extending into the LV and caused severe aortic regurgitation (AR) in a 44-year-old male with latent infective endocarditis. The role of MDCT in preoperative surgical planning was also emphasized...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28580583/simultaneous-multislice-imaging-for-native-myocardial-t1-mapping-improved-spatial-coverage-in-a-single-breath-hold
#14
Sebastian Weingärtner, Steen Moeller, Sebastian Schmitter, Edward Auerbach, Peter Kellman, Chetan Shenoy, Mehmet Akçakaya
PURPOSE: To develop a saturation recovery myocardial T1 mapping method for the simultaneous multislice acquisition of three slices. METHODS: Saturation pulse-prepared heart rate independent inversion recovery (SAPPHIRE) T1 mapping was implemented with simultaneous multislice imaging using FLASH readouts for faster coverage of the myocardium. Controlled aliasing in parallel imaging (CAIPI) was used to achieve minimal noise amplification in three slices. Multiband reconstruction was performed using three linear reconstruction methods: Slice- and in-plane GRAPPA, CG-SENSE, and Tikhonov-regularized CG-SENSE...
August 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28578887/a-retrospective-radiographic-outcomes-assessment-of-1960-initial-posterior-root-canal-treatments-performed-by-endodontists-and-dentists
#15
Kelly Ramey, John Yaccino, James Wealleans
INTRODUCTION: The Air Force Dental Service has established evidence-based treatment standards for endodontics, including 3-dimensional filling of the canal system, cuspal coverage restoration of endodontically treated posterior teeth, and use of rubber dam. The purpose of this retrospective study was to determine the effect of these standards on outcomes of initial posterior root canal treatments (RCTs) completed by Air Force (AF) and civilian dentists with and without accredited postgraduate training...
June 1, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28576113/degenerate-its7-primer-enhances-oomycete-community-coverage-and-pcr-sensitivity-to-aphanomyces-species-economically-important-plant-pathogens
#16
Ahmad Esmaeili Taheri, Syama Chatterton, Bruce Gossen, Debra McLaren
Metagenomic analysis of oomycetes through deep amplicon sequencing has been conducted primarily using the ITS6/ ITS7 primer set that targets the ITS1 region. While this primer set shows a perfect match to most oomycete taxa, ITS7 contains three mismatches to the corresponding binding site of plant pathogens within the genus Aphanomyces. PCR efficiency differs for taxa with uneven primer matching characteristics, which may explain why previous studies have detected this genus at low abundance. To overcome the impact of these mismatches on PCR sensitivity, the mismatched nucleotides were replaced with degenerate nucleotides...
June 2, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28571261/effect-of-different-ferrule-length-on-fracture-resistance-of-endodontically-treated-teeth-an-in-vitro-study
#17
Sushil Kar, Arvind Tripathi, Chavi Trivedi
INTRODUCTION: A ferrule has been described as a key element of tooth preparation when using a post and a core. It is a vertical band of tooth structure at the gingival aspect of crown preparation. It lessens the stress transmission to the root which is due to forces from posts or bending during seating of the post. The incorporation of a ferrule can help to withstand the forces of occlusion, preserve the hermetic seal of the luting cement, and minimize the concentration of stresses at the junction of post and core...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28560040/spatially-segmented-undersampled-mri-temperature-reconstruction-for-transcranial-mr-guided-focused-ultrasound
#18
Pooja Gaur, Beat Werner, Xue Feng, Samuel W Fielden, Craig H Meyer, William A Grissom
BACKGROUND: Volumetric thermometry with fine spatiotemporal resolution is desirable to monitor MR-guided focused ultrasound (MRgFUS) procedures in the brain, but requires some form of accelerated imaging. Accelerated MR temperature imaging methods have been developed that undersample k-space and leverage signal correlations over time to suppress the resulting undersampling artifacts. However, in transcranial MRgFUS treatments, the water bath surrounding the skull creates signal variations that do not follow those correlations, leading to temperature errors in the brain due to signal aliasing...
2017: Journal of Therapeutic Ultrasound
https://www.readbyqxmd.com/read/28555027/performance-of-bds-3-measurement-quality-analysis-precise-orbit-and-clock-determination
#19
Xin Xie, Tao Geng, Qile Zhao, Jingnan Liu, Bin Wang
Since 2015, China has successfully launched five experimental BeiDou global navigation system (BDS-3) satellites for expanding the regional system to global coverage. An initial performance assessment and characterization analysis of the BDS-3 is presented. Twenty days of tracking data have been collected from eleven monitoring stations. The tracking characteristics and measurement quality are analyzed and compared with the regional BDS (BDS-2) in terms of observed carrier-to-noise density ratio, pseudo-range multipath, and noise...
May 28, 2017: Sensors
https://www.readbyqxmd.com/read/28554470/discovery-of-novel-cold-induced-cisp-genes-encoding-small-rna-binding-proteins-related-to-cold-adaptation-in-barley
#20
Mengchao Ying, Shin-Ichiro Kidou
To adapt to cold conditions, barley plants rely on specific mechanisms, which have not been fully understood. In this study, we characterized a novel barley cold-induced gene identified using a PCR-based high coverage gene expression profiling method. The identified gene encodes a small protein that we named CISP1 (Cold-induced Small Protein 1). Homology searches of sequence databases revealed that CISP1 homologs (CISP2 and CISP3) exist in barley genome. Further database analyses showed that the CISP1 homologs were widely distributed in cold-tolerant plants such as wheat and rye...
July 2017: Plant Science: An International Journal of Experimental Plant Biology
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