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https://www.readbyqxmd.com/read/28225647/early-experience-with-single-incision-laparoscopic-total-abdominal-colectomy-in-children
#1
Cristen N Litz, Paul D Danielson, Nicole M Chandler
PURPOSE: Single-incision laparoscopic surgery for pediatric colorectal disease has been shown to be feasible and safe; however, the literature is scarce regarding the outcomes of single-incision laparoscopic total abdominal colectomy (SIL-TAC) in the pediatric population. The purpose of this pilot study was to review our initial experience and outcomes with SIL-TAC. MATERIALS AND METHODS: A retrospective review of patients who underwent SIL-TAC from 2013 to 2015 was performed...
February 22, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28183786/extracellular-rnas-are-associated-with-insulin-resistance-and-metabolic-phenotypes
#2
Ravi Shah, Venkatesh Murthy, Michael Pacold, Kirsty Danielson, Kahraman Tanriverdi, Martin G Larson, Kristina Hanspers, Alexander Pico, Eric Mick, Jared Reis, Sarah de Ferranti, Elizaveta Freinkman, Daniel Levy, Udo Hoffmann, Stavroula Osganian, Saumya Das, Jane E Freedman
OBJECTIVE: Insulin resistance (IR) is a hallmark of obesity and metabolic disease. Circulating extracellular RNAs (ex-RNAs), stable RNA molecules in plasma, may play a role in IR, though most studies on ex-RNAs in IR are small. We sought to characterize the relationship between ex-RNAs and metabolic phenotypes in a large community-based human cohort. RESEARCH DESIGN AND METHODS: We measured circulating plasma ex-RNAs in 2,317 participants without diabetes in the Framingham Heart Study (FHS) Offspring Cohort at cycle 8 and defined associations between ex-RNAs and IR (measured by circulating insulin level)...
February 9, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28182899/dentate-mossy-cell-and-pattern-separation
#3
Kazu Nakazawa
Three studies by Danielson et al. (2017), GoodSmith et al. (2017), and Sensai and Buzsáki (2017) distinguish in vivo firing properties of dentate mossy cells from granule cells during behavior. Robust spatial remapping of mossy cells, in contrast to sparse firing of granule cells, suggests differential involvement in pattern separation.
February 8, 2017: Neuron
https://www.readbyqxmd.com/read/28179169/vertebral-bone-marrow-fat-bone-mineral-density-and-diabetes-the-osteoporotic-fractures-in-men-mros-study
#4
Yahtyng Sheu, Francesca Amati, Ann V Schwartz, Michelle E Danielson, Xiaojuan Li, Robert Boudreau, Jane A Cauley
Elevated vertebral bone marrow fat (BMF) among individuals with osteoporosis has been established in histomorphometric studies. Several studies have found a negative correlation between BMF and bone mineral density (BMD) at the spine in men and women across different age groups. Animal studies have also observed bone loss with increased BMF in mice with induced diabetes. Our study objective was to test the hypothesis that the association between BMF and BMD varies by diabetic status. We performed a cross-sectional study of 156 men aged 74-96years from the Osteoporotic Fractures in Men study at the Pittsburgh clinical site...
February 4, 2017: Bone
https://www.readbyqxmd.com/read/28163364/distress-tolerance-and-social-support-in-adolescence-predicting-risk-for-internalizing-and-externalizing-symptoms-following-a-natural-disaster
#5
Joseph R Cohen, Carla Kmett Danielson, Zachary W Adams, Kenneth J Ruggiero
The purpose of the multi-measure, multi-wave, longitudinal study was to examine the interactive relation between behavioral distress tolerance (DT) and perceived social support (PSS) in 352 tornado-exposed adolescents aged 12-17 years (M=14.44; SD=1.74). At baseline, adolescents completed a computer-based task for DT, and self-report measures of PSS, depressed mood, posttraumatic stress disorder (PTSD), substance use, and interpersonal conflict. Symptoms also were assessed 4 and 12 months after baseline. Findings showed that lower levels of DT together with lower levels of PSS conferred risk for elevated symptoms of prospective depression (t(262)= -2...
December 2016: Journal of Psychopathology and Behavioral Assessment
https://www.readbyqxmd.com/read/28156673/palliative-whole-brain-radiotherapy-predictors-of-prescribing-5-versus-10-fractions
#6
Sarah Baker, Kim Paulson, Brock J Debenham, Sunita Ghosh, David L Ma, Fleur Huang, Karen P Chu, Diane Severin, John Amanie, Tirath Nijjar, Samir Patel, Ericka Wiebe, Brita Lavender Danielson, Bronwen LeGuerrier, Alysa M Fairchild
: 219 Background: The optimal dose for palliative whole brain radiotherapy (WBRT) continues to be debated. Common regimens include 20 Gy in five and 30 Gy in 10 fractions. We aimed to identify factors associated with WBRT dose schedules, hypothesizing that clinical prediction of survival (CPS) would influence prescribing practice. METHODS: Demographic and clinicopathologic data were collected for consecutive patients with brain metastases receiving WBRT through a dedicated palliative radiation oncology clinic...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28156672/attitude-and-support-to-inform-clinical-predictions-of-survival-in-patients-with-advanced-cancer
#7
David L Ma, Kim Paulson, Sunita Ghosh, Bronwen LeGuerrier, Karen P Chu, Diane Severin, Fleur Huang, Sharon Watanabe, Ann Huot, John Amanie, Samir Patel, Tirath Nijjar, Ericka Wiebe, Brita Lavender Danielson, Brock J Debenham
: 39 Background: Tumour factors (eg primary site, size) helpful in prognostication in early stage cancer may be less important than patient factors, such as Karnofsky performance status (KPS), later in the disease trajectory. We evaluated the utilization of the parameters attitude (ATT) and psychosocial support (PSS) in predicting remaining lifespan by two experienced multidisciplinary teams (MDT). METHODS: After clinical assessment of consecutive patients, a quantitative clinical prediction of survival (CPS) was made prospectively, independently and anonymously by each health care provider (HCP)...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28156489/the-evolving-radiation-therapist-role-in-a-multidisciplinary-palliative-radiotherapy-clinic
#8
Fleur Huang, Winter Spence, Brenda Rose, Jacqueline Middleton, Megan Palen, Kitta Thavone, Shazma Ravji, Brita Lavender Danielson, Alysa M Fairchild
: 158 Background: Radiation therapists (MRTT) have been integrated in varying capacities into outpatient palliative radiotherapy (PRT) services across Canada for nearly two decades. We explored the experience of our centre's MRTTs who have developed an essential role over nine years, from supporting one half-day PRT clinic per week to five full days of clinical, technical, research, and administrative involvement. METHODS: An electronic survey was distributed to all 12 MRTTs who contributed to the PRT program (2007-2016), which was later supplemented by in-person semi-structured interviews...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28132825/in%C3%A2-vivo-imaging-of-dentate-gyrus-mossy-cells-in-behaving-mice
#9
Nathan B Danielson, Gergely F Turi, Max Ladow, Spyridon Chavlis, Panagiotis C Petrantonakis, Panayiota Poirazi, Attila Losonczy
Mossy cells in the hilus of the dentate gyrus constitute a major excitatory principal cell type in the mammalian hippocampus; however, it remains unknown how these cells behave in vivo. Here, we have used two-photon Ca(2+) imaging to monitor the activity of mossy cells in awake, behaving mice. We find that mossy cells are significantly more active than dentate granule cells in vivo, exhibit spatial tuning during head-fixed spatial navigation, and undergo robust remapping of their spatial representations in response to contextual manipulation...
February 8, 2017: Neuron
https://www.readbyqxmd.com/read/28126364/the-association-between-diabetes-status-and-survival-following-an-out-of-hospital-cardiac-arrest-a-retrospective-cohort-study
#10
Monica Parry, Kyle Danielson, Sarah Brennenstuhl, Ian R Drennan, Laurie J Morrison
BACKGROUND: Sudden cardiac arrest (SCA), confirmed absence of cardiac mechanical activity, is the leading cause of heart-related death in the US. Almost 85% of SCA occur out-of-hospital (OHCA), with very poor rates of return of spontaneous circulation (ROSC) and survival to hospital discharge. We sought to determine if diabetes status was associated with survival or ROSC following an OHCA. METHODS: We completed a retrospective cohort study using data from the Toronto Regional RescuNet Epistry dataset, based upon data definitions defined by the Resuscitation Outcomes Consortium (ROC) Epistry-Cardiac Arrest and the Strategies for Post Arrest Resuscitation Care (SPARC) network datasets...
January 23, 2017: Resuscitation
https://www.readbyqxmd.com/read/28060806/high-throughput-sequencing-of-extracellular-rna-from-human-plasma
#11
Kirsty M Danielson, Renee Rubio, Fieda Abderazzaq, Saumya Das, Yaoyu E Wang
The presence and relative stability of extracellular RNAs (exRNAs) in biofluids has led to an emerging recognition of their promise as 'liquid biopsies' for diseases. Most prior studies on discovery of exRNAs as disease-specific biomarkers have focused on microRNAs (miRNAs) using technologies such as qRT-PCR and microarrays. The recent application of next-generation sequencing to discovery of exRNA biomarkers has revealed the presence of potential novel miRNAs as well as other RNA species such as tRNAs, snoRNAs, piRNAs and lncRNAs in biofluids...
2017: PloS One
https://www.readbyqxmd.com/read/28051988/ultraportable-oxygen-concentrator-use-in-u-s-army-special-operations-forward-area-surgery-a-proof-of-concept-in-multiple-environments
#12
Michael Rybak, Lynn C Huffman, Richard Nahouraii, John Loden, Marcos Gonzalez, Ramey Wilson, Paul D Danielson
INTRODUCTION: A limitation to surgical care in an austere environment is the supply of oxygen to support mechanical ventilation and general anesthesia. Portable oxygen concentrators (OCs) offer an alternative to traditional compressed oxygen tanks. OBJECTIVES: We set out to demonstrate that a low-pressure OC system could supply the mechanical ventilation needs in an austere operating environment. METHODS: An ultraportable OC (SAROS Model 3000, SeQual Technologies, Ball Ground, Georgia) was paired with an Impact 754 ventilator (Impact Instrumentation, West Caldwell, New Jersey) to evaluate the delivered fraction of inspired oxygen (FiO2) to a test lung across a range of minute ventilations and at altitudes of 1,200 and 6,500 feet above sea level...
January 2017: Military Medicine
https://www.readbyqxmd.com/read/28026154/surface-topography-and-mechanical-strain-promote-keratocyte-phenotype-and-extracellular-matrix-formation-in-a-biomimetic-3d-corneal-model
#13
Wei Zhang, Jialin Chen, Ludvig J Backman, Adam D Malm, Patrik Danielson
The optimal functionality of the native corneal stroma is mainly dependent on the well-ordered arrangement of extracellular matrix (ECM) and the pressurized structure. In order to develop an in vitro corneal model, it is crucial to mimic the in vivo microenvironment of the cornea. In this study, the influence of surface topography and mechanical strain on keratocyte phenotype and ECM formation within a biomimetic 3D corneal model is studied. By modifying the surface topography of materials, it is found that patterned silk fibroin film with 600 grooves mm(-1) optimally supports cell alignment and ECM arrangement...
December 27, 2016: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/27998375/sleep-disturbances-in-oef-oif-ond-veterans-associations-with-ptsd-personality-and-coping
#14
Mackenzie J Lind, Emily Brown, Leah Farrell-Carnahan, Ruth C Brown, Sage Hawn, Erin Berenz, Scott McDonald, Treven Pickett, Carla Kmett Danielson, Suzanne Thomas, Ananda B Amstadter
STUDY OBJECTIVES: Sleep disturbances are well documented in relation to trauma exposure and posttraumatic stress disorder (PTSD), but correlates of such disturbances remain understudied in veteran populations. We conducted a preliminary study of sleep disturbances in Operation Enduring Freedom, Operation Iraqi Freedom, and Operation New Dawn veterans (n = 133; mean [standard deviation] age = 29.8 [4.7] y). METHODS: Veterans were assigned to one of three groups based on responses to the Clinician Administered PTSD Scale: control (no trauma-exposure [TE] or PTSD), TE, and PTSD...
February 15, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/27993994/development-of-a-novel-therapeutic-vaccine-carrier-that-sustains-high-antibody-titers-against-several-targets-simultaneously
#15
Falk Saupe, Matthias Reichel, Elisabeth J M Huijbers, Julia Femel, Per-Olof Markgren, C Evalena Andersson, Sebastian Deindl, U Helena Danielson, Lars T Hellman, Anna-Karin Olsson
With the aim to improve the efficacy of therapeutic vaccines that target self-antigens, we have developed a novel fusion protein vaccine on the basis of the C-terminal multimerizing end of the variable lymphocyte receptor B (VLRB), the Ig equivalent in jawless fishes. Recombinant vaccines were produced in Escherichia coli by fusing the VLRB sequence to 4 different cancer-associated target molecules. The anti-self-immune response generated in mice that were vaccinated with VLRB vaccines was compared with the response in mice that received vaccines that contained bacterial thioredoxin (TRX), previously identified as an efficient carrier...
December 19, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/27982636/evolution-of-a-vortex-in-a-strain-flow
#16
N C Hurst, J R Danielson, D H E Dubin, C M Surko
Experiments and vortex-in-cell simulations are used to study an initially axisymmetric, spatially distributed vortex subject to an externally imposed strain flow. The experiments use a magnetized pure electron plasma to model an inviscid two-dimensional fluid. The results are compared to a theory assuming an elliptical region of constant vorticity. For relatively flat vorticity profiles, the dynamics and stability threshold are in close quantitative agreement with the theory. Physics beyond the constant-vorticity model, such as vortex stripping, is investigated by studying the behavior of nonflat vorticity profiles...
December 2, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27943336/verification-of-protein-biomarkers-for-the-identification-of-biological-stains-by-quadrupole-time-of-flight-mass-spectrometry
#17
Kevin M Legg, Roger Powell, Nichole Reisdorph, Rick Reisdorph, Phillip B Danielson
Advances in proteomics technology over the past decade offer forensic serologists a greatly improved opportunity to accurately characterize the tissue source from which a DNA has been developed. Such information can provide critical context to evidence and can help to prioritize downstream DNA analysis. Previous proteome studies compiled panels of "candidate biomarkers" specific to each of six body fluids (i.e. peripheral blood, menstrual fluid, vaginal fluid, seminal fluid, urine and saliva). Here, a multiplex Quadrupole Time-of-flight assay has been developed in order to verify the tissue/body fluid specificity the 23 protein biomarkers that comprise these panels and the consistency with which they can be detected across a samples population of fifty humans...
December 12, 2016: Electrophoresis
https://www.readbyqxmd.com/read/27894765/outcome-in-adults-with-anorectal-malformations-in-relation-to-modern-classification-which-patients-do-we-need-to-follow-beyond-childhood
#18
Johan Danielson, Urban Karlbom, Wilhelm Graf, Tomas Wester
BACKGROUND/PURPOSE: Knowledge about the functional outcome in adults with anorectal malformations is essential to organize structured transition to adult care for this patient group. The aim of this study was to investigate the functional outcome and quality of life in adults with anorectal malformations characterized according to the Krickenbeck classification. METHODS: Of 256 patients diagnosed with anorectal malformations at our institution in 1961-1993, 203 patients could be traced and were invited to participate in the study...
November 15, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27852820/interpreting-the-prevalence-of-mental-disorders-in-children-tribulation-and-triangulation
#19
Joseph R Holbrook, Rebecca H Bitsko, Melissa L Danielson, Susanna N Visser
Knowledge on the prevalence of mental disorders among children informs the work of many health care providers, public health researchers, educators, and policy makers, and any single data source and study methodology can provide valuable insight. However, it is only after prevalence estimates from complementary studies are considered together that distinctions can be made to more deeply inform an assessment of community needs, including diagnosed prevalence versus underlying prevalence, differences between insured and uninsured populations, and how estimates change over time...
November 15, 2016: Health Promotion Practice
https://www.readbyqxmd.com/read/27814455/mobile-devices-for-the-remote-acquisition-of-physiological-and-behavioral-biomarkers-in-psychiatric-clinical-research
#20
Zachary W Adams, Erin A McClure, Kevin M Gray, Carla Kmett Danielson, Frank A Treiber, Kenneth J Ruggiero
Psychiatric disorders are linked to a variety of biological, psychological, and contextual causes and consequences. Laboratory studies have elucidated the importance of several key physiological and behavioral biomarkers in the study of psychiatric disorders, but much less is known about the role of these biomarkers in naturalistic settings. These gaps are largely driven by methodological barriers to assessing biomarker data rapidly, reliably, and frequently outside the clinic or laboratory. Mobile health (mHealth) tools offer new opportunities to study relevant biomarkers in concert with other types of data (e...
February 2017: Journal of Psychiatric Research
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