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https://www.readbyqxmd.com/read/29777479/frontal-delta-beta-cross-frequency-coupling-in-high-and-low-social-anxiety-an-index-of-stress-regulation
#1
Eefje S Poppelaars, Anita Harrewijn, P Michiel Westenberg, Melle J W van der Molen
Cross-frequency coupling (CFC) between frontal delta (1-4 Hz) and beta (14-30 Hz) oscillations has been suggested as a candidate neural correlate of social anxiety disorder, a disorder characterized by fear and avoidance of social and performance situations. Prior studies have used amplitude-amplitude correlation (AAC) as a CFC measure and hypothesized it as a candidate neural mechanism of affective control. However, using this metric has yielded inconsistent results regarding the direction of CFC, and the functional significance of coupling strength is uncertain...
May 17, 2018: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/29752322/nccn-guidelines-insights-head-and-neck-cancers-version-1-2018
#2
A Dimitrios Colevas, Sue S Yom, David G Pfister, Sharon Spencer, David Adelstein, Douglas Adkins, David M Brizel, Barbara Burtness, Paul M Busse, Jimmy J Caudell, Anthony J Cmelak, David W Eisele, Moon Fenton, Robert L Foote, Jill Gilbert, Maura L Gillison, Robert I Haddad, Wesley L Hicks, Ying J Hitchcock, Antonio Jimeno, Debra Leizman, Ellie Maghami, Loren K Mell, Bharat B Mittal, Harlan A Pinto, John A Ridge, James Rocco, Cristina P Rodriguez, Jatin P Shah, Randal S Weber, Matthew Witek, Frank Worden, Weining Zhen, Jennifer L Burns, Susan D Darlow
The NCCN Guidelines for Head and Neck (H&N) Cancers provide treatment recommendations for cancers of the lip, oral cavity, pharynx, larynx, ethmoid and maxillary sinuses, and salivary glands. Recommendations are also provided for occult primary of the H&N, and separate algorithms have been developed by the panel for very advanced H&N cancers. These NCCN Guidelines Insights summarize the panel's discussion and most recent recommendations regarding evaluation and treatment of nasopharyngeal carcinoma...
May 2018: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29737973/in-vivo-endothelial-cell-density-decline-in-the-early-postoperative-phase-after-descemet-membrane-endothelial-keratoplasty
#3
Alina Miron, Marieke Bruinsma, Lisanne Ham, Sontje-Chiao Schaal, Lamis Baydoun, Isabel Dapena, Silke Oellerich, Gerrit R J Melles
PURPOSE: To evaluate endothelial cell density (ECD) in the first 6 months after Descemet membrane endothelial keratoplasty (DMEK) by eliminating method error as a confounding variable. METHODS: From 24 DMEK eyes operated for Fuchs endothelial corneal dystrophy, from which specular microscopy images could be taken at 1 day and 6 months postoperatively, ECD values were compared between these 2 time points. RESULTS: Using the 1-day ECD measurement as baseline, mean ECD decreased from 1913 (±326) cells/mm to 1524 (±393) cells/mm at 6 months, a decline of -18 (±19)%...
June 2018: Cornea
https://www.readbyqxmd.com/read/29732251/pollen-sleuthing-for-terrestrial-plant-surveys-locating-plant-populations-by-exploiting-pollen-movement
#4
Lesley G Campbell, Stephanie J Melles, Eric Vaz, Rebecca J Parker, Kevin S Burgess
Premise of the Study: We present an innovative technique for sampling, identifying, and locating plant populations that release pollen, without extensive ground surveys. This method (1) samples pollen at random locations within the target species' habitat, (2) detects species' presence using morphological pollen analysis, and (3) uses kriging to predict likely locations of populations to focus future search efforts. Methods: To demonstrate, we applied the pollen sleuthing system to search for artificially constructed populations of Brassica rapa in an old field...
January 2018: Applications in Plant Sciences
https://www.readbyqxmd.com/read/29730856/comparison-of-densitometric-profile-after-deep-lamellar-keratoplasty-with-two-different-techniques-for-treatment-of-keratoconus
#5
Mohammad Ghoreishi, Abolfazl Kashfi, Mohammadreza Peyman, Shahriar Hanjani, Mohaddese Mohammadinia, Mike Straiko
PURPOSE: To compare densitometric outcome of two techniques of deep lamellar keratoplasty using Pentacam HR corneal densitometry software. METHODS: Postoperative outcomes of 31 patients with big bubble (BB) and 28 patients with Melles (M) surgery for the treatment of keratoconus were evaluated. Data were gathered at least 3 months after the removal of all sutures including demographic data, uncorrected distance visual acuity (UCDVA), best spectacle-corrected visual acuity (BSCVA), refraction and endothelial cell count...
May 5, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29721726/association-between-serum-lipid-levels-osteoprotegerin-and-depressive-symptomatology-in-psychotic-disorders
#6
Sherif M Gohar, Ingrid Dieset, Nils Eiel Steen, Ragni H Mørch, Trude S Iversen, Vidar M Steen, Ole A Andreassen, Ingrid Melle
Although the relationship between positive and negative symptoms of psychosis and dyslipidemia has been thoroughly investigated in recent studies, the potential link between depression and lipid status is still under-investigated. We here examined the association between lipid levels and depressive symptomatology in patients with psychotic disorders, in addition to their possible inflammatory associations. Participants (n = 652) with the following distribution: schizophrenia, schizophreniform and schizoaffective disorder (schizophrenia group, n = 344); bipolar I, II, NOS, and psychosis NOS (non-schizophrenia group, n = 308) were recruited consecutively from the Norwegian Thematically Organized Psychosis (TOP) Study...
May 2, 2018: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/29720238/two-versus-five-days-of-antibiotics-after-appendectomy-for-complex-acute-appendicitis-appic-study-protocol-for-a-randomized-controlled-trial
#7
Anne Loes van den Boom, Elisabeth M L de Wijkerslooth, Joost van Rosmalen, Frédérique H Beverdam, Evert-Jan G Boerma, Marja A Boermeester, Joanna W A M Bosmans, Thijs A Burghgraef, Esther C J Consten, Imro Dawson, Jan Willem T Dekker, Marloes Emous, Anna A W van Geloven, Peter M N Y H Go, Luc A Heijnen, Sander A Huisman, Dayanara Jean Pierre, Joske de Jonge, Jurian H Kloeze, Marc A Koopmanschap, Hester R Langeveld, Misha D P Luyer, Damian C Melles, Johan W Mouton, Augustinus P T van der Ploeg, Floris B Poelmann, Jeroen E H Ponten, Charles C van Rossem, Wilhelmina H Schreurs, Joël Shapiro, Pascal Steenvoorde, Boudewijn R Toorenvliet, Joost Verhelst, Hendt P Versteegh, Rene M H Wijnen, Bas P L Wijnhoven
BACKGROUND: Acute appendicitis is one of the most common indications for emergency surgery. In patients with a complex appendicitis, prolonged antibiotic prophylaxis is recommended after appendectomy. There is no consensus regarding the optimum duration of antibiotics. Guidelines propose 3 to 7 days of treatment, but shorter courses may be as effective in the prevention of infectious complications. At the same time, the global issue of increasing antimicrobial resistance urges for optimization of antibiotic strategies...
May 2, 2018: Trials
https://www.readbyqxmd.com/read/29718336/a-clinical-decision-support-system-algorithm-for-intravenous-to-oral-antibiotic-switch-therapy-validity-clinical-relevance-and-usefulness-in-a-three-step-evaluation-study
#8
H Akhloufi, M Hulscher, C P van der Hoeven, J M Prins, H van der Sijs, D C Melles, A Verbon
Objectives: To evaluate a clinical decision support system (CDSS) based on consensus-based intravenous to oral switch criteria, which identifies intravenous to oral switch candidates. Methods: A three-step evaluation study of a stand-alone CDSS with electronic health record interoperability was performed at the Erasmus University Medical Centre in the Netherlands. During the first step, we performed a technical validation. During the second step, we determined the sensitivity, specificity, negative predictive value and positive predictive value in a retrospective cohort of all hospitalized adult patients starting at least one therapeutic antibacterial drug between 1 and 16 May 2013...
April 26, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29713957/variable-heart-rate-and-a-flexible-mind-higher-resting-state-heart-rate-variability-predicts-better-task-switching
#9
Lorenza S Colzato, Bryant J Jongkees, Matthijs de Wit, Melle J W van der Molen, Laura Steenbergen
The neurovisceral integration model proposes that heart rate variability (HRV) is linked to prefrontal cortex activity via the vagus nerve, which connects the heart and the brain. HRV, an index of cardiac vagal tone, has been found to predict performance on several cognitive control tasks that rely on the prefrontal cortex. However, the link between HRV and the core cognitive control function "shifting" between tasks and mental sets is under-investigated. Therefore, the present study tested the neurovisceral integration model by examining, in 90 participants, the relationship between vagally mediated resting-state HRV and performance in a task-switching paradigm that provides a relatively process-pure measure of cognitive flexibility...
April 30, 2018: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/29709291/underutilization-of-brachytherapy-and-disparities-in-survival-for-patients-with-cervical-cancer-in-california
#10
Jyoti Mayadev, Amy Klapheke, Catheryn Yashar, I-Chow Hsu, Mitchell Kamrava, Arno J Mundt, Loren K Mell, John Einck, Stanley Benedict, Richard Valicenti, Rosemary Cress
PURPOSE: The treatment for locally advanced cervical cancer is external beam radiation (EBRT), concurrent chemotherapy, and brachytherapy (BT). We investigated demographic and socioeconomic factors that influence trends in BT utilization and disparities in survival. METHODS: Using the California Cancer Registry, cervical cancer patients FIGO IB2-IVA from 2004 to 2014 were identified. We collected tumor, demographic and socioeconomic (SES) factors. We used multivariable logistic regression analysis to determine predictors of use of BT...
April 27, 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29705087/long-term-outcomes-after-repair-of-symptomatic-abdominal-aortic-aneurysms
#11
Venita Chandra, Karen Trang, Whitt Virgin-Downey, Ronald L Dalman, Matthew W Mell
OBJECTIVES: Previous studies have reported increased perioperative mortality of nonruptured symptomatic abdominal aortic aneurysms (Sx-AAA) compared with asymptomatic elective AAA (E-AAA) repairs, but no long-term-outcomes have been reported. We sought to compare long-term outcomes of Sx-AAA and E-AAA after repair at a single academic institution. METHODS: Patients receiving AAA repair for Sx-AAA and E-AAA from 1995 through 2015 were included. Ruptured AAA and suprarenal or thoracoabdominal AAA were excluded...
April 25, 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29700902/the-leiden-family-lab-study-on-social-anxiety-disorder-a-multiplex-multigenerational-family-study-on-neurocognitive-endophenotypes
#12
Janna Marie Bas-Hoogendam, Anita Harrewijn, Renaud L M Tissier, Melle J W van der Molen, Henk van Steenbergen, Irene M van Vliet, Catrien G Reichart, Jeanine J Houwing-Duistermaat, P Eline Slagboom, Nic J A van der Wee, P Michiel Westenberg
OBJECTIVES: Social anxiety disorder (SAD) is a serious and prevalent psychiatric condition, with a heritable component. However, little is known about the characteristics that are associated with the genetic component of SAD, the so-called "endophenotypes". These endophenotypes could advance our insight in the genetic susceptibility to SAD, as they are on the pathway from genotype to phenotype. The Leiden Family Lab study on Social Anxiety Disorder (LFLSAD) is the first multiplex, multigenerational study aimed to identify neurocognitive endophenotypes of social anxiety...
April 26, 2018: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/29696437/sharp-decline-in-hydroxychloroquine-dosing-analysis-of-17-797-initiators-from-2007-to-2016
#13
Ronald B Melles, April M Jorge, Michael F Marmor, Yuqing Zhang, Hyon K Choi
We aimed to assess the impact of ophthalmology weight-based hydroxychloroquine (HCQ) dosing guidelines on prescribing patterns. We examined initial HCQ prescription dosing between 2007 and 2016 and determined independent predictors for HCQ dosing above the previous (2011) recommended ≤ 6.5 mg/kg of ideal body weight (IBW)/day and the latest (2016) recommended ≤ 5.0 mg/kg of actual body weight (ABW)/day using logistic regression. Among 17,797 patients (82% female), the proportion of 400 mg prescribed daily dosing declined sharply from 80% in 2007-2011 to nearly 40% in 2014, whereas the proportions of 200- and 300-mg daily doses showed the opposite trends during the same periods...
April 26, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29685869/web-based-patient-education-in-orthopedics-systematic-review
#14
REVIEW
Tessa Dekkers, Marijke Melles, Bob Sander Groeneveld, Huib de Ridder
BACKGROUND: Patients with orthopedic conditions frequently use the internet to find health information. Patient education that is distributed online may form an easily accessible, time- and cost-effective alternative to education delivered through traditional channels such as one-on-one consultations or booklets. However, no systematic evidence for the comparative effectiveness of Web-based educational interventions exists. OBJECTIVE: The objective of this systematic review was to examine the effects of Web-based patient education interventions for adult orthopedic patients and to compare its effectiveness with generic health information websites and traditional forms of patient education...
April 23, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29678344/-variability-of-chloroquine-and-hydroxychloroquine-retinopathy-among-various-ethnicities
#15
A Giocanti-Aurégan, A Couturier, J-F Girmens, Y Le Mer, N Massamba, E Barreau, I Audo
INTRODUCTION: Current screening recommendations for chloroquine (CQ) and hydroxychloroquine (HCQ) retinopathy are based on central 10°C static perimetry and a high-resolution SD-OCT with a special attention to the inferior part of the macula where the toxicity usually starts by ellipsoid zone disruption. However, Melles and Marmor, have recently shown a great variability in the topography of the initial toxicity observed among various ethnicities, which is important to keep in mind so as not to miss early toxicity in certain subgroups of patients...
April 17, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29673628/-descemet-s-membrane-endothelial-keratoplasty-indication-surgical-technic-postoperative-management-and-review-of-literature
#16
REVIEW
V Kocaba, O Damour, C Auxenfans, C Burillon
Endothelial keratoplasty is currently the preferred method for the treatment of endothelial dysfunctions and dystrophies. Descemet Membrane Endothelial Keratoplasty (DMEK), described by Gerrit Melles in 2006, is performed by selectively replacing the damaged endothelium with a healthy counterpart. It leads to a faster visual recovery and better refractive outcomes with a limited risk of rejection compared to Descemet's Stripping Automated Endothelial Keratosplasty (DSAEK), which includes a thin stromal layer...
April 17, 2018: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29668572/atypical-presentation-of-iridocorneal-endothelial-syndrome-with-band-keratopathy-but-no-corneal-edema-managed-with-descemet-membrane-endothelial-keratoplasty
#17
Vasiliki Zygoura, Itay Lavy, Robert M Verdijk, Diana Santander-García, Lamis Baydoun, Isabel Dapena, Gerrit R J Melles
PURPOSE: To report an unusual presentation of iridocorneal endothelial (ICE) syndrome associated with band keratopathy and its management with ethylenediamine-tetraacetic acid (EDTA) chelation and Descemet membrane endothelial keratoplasty (DMEK). METHODS: A 57-year-old female patient presented with unilateral progressive painless visual impairment, corneal band keratopathy, and morphological corneal endothelial changes without corneal edema or any previous ophthalmic, medical, or family history...
April 17, 2018: Cornea
https://www.readbyqxmd.com/read/29664013/%C3%AE-catenin-mediated-immune-evasion-pathway-frequently-operates-in-primary-cutaneous-melanomas
#18
Jérémie Nsengimana, Jon Laye, Anastasia Filia, Sally O'Shea, Sathya Muralidhar, Joanna Poźniak, Alastair Droop, May Chan, Christy Walker, Louise Parkinson, Joanne Gascoyne, Tracey Mell, Minttu Polso, Rosalyn Jewell, Juliette Randerson-Moor, Graham P Cook, D Timothy Bishop, Julia Newton-Bishop
Immunotherapy prolongs survival in only a subset of melanoma patients, highlighting the need to better understand the driver tumor microenvironment. We conducted bioinformatic analyses of 703 transcriptomes to probe the immune landscape of primary cutaneous melanomas in a population-ascertained cohort. We identified and validated 6 immunologically distinct subgroups, with the largest having the lowest immune scores and the poorest survival. This poor-prognosis subgroup exhibited expression profiles consistent with β-catenin-mediated failure to recruit CD141+ DCs...
April 16, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29663477/the-impact-of-autoimmune-hepatitis-and-its-treatment-on-health-utility
#19
Lin Lee Wong, Holly F Fisher, Deborah D Stocken, Stephen Rice, Amardeep Khanna, Michael A Heneghan, Ye Htun Oo, George Mells, Stuart Kendrick, Jessica Katharine Dyson, David E J Jones
Patient reporting suggests that the physical and psychological effects of autoimmune hepatitis (AIH) can be substantial. However, health-related quality of life (HRQOL) in patients with AIH remains incompletely characterized and health utility remains to be explored. Treatment for AIH often includes the use of corticosteroids, agents that can be associated with significant side effects. Here we explore the impact of AIH and its treatments on patient-reported HRQOL and health utility in a large cohort of prevalent cases from the United Kingdom Autoimmune Hepatitis (UK-AIH) national study...
April 17, 2018: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29658386/finite-element-evaluation-of-the-newest-iso-testing-standard-for-polyethylene-total-knee-replacement-liners
#20
Steven P Mell, Spencer Fullam, Markus A Wimmer, Hannah J Lundberg
Current treatment for end-stage osteoarthritis is total knee replacement. Given that the number of total knee replacement surgeries is expected to approach 3.48 million by 2030, understanding long-term failure is important. One of the preclinical tests for total knee replacements is carried out using mechanical wear testing under generic walking conditions. Used for this purpose is the International Standards Organization's generic walking profile. Recently this standard was updated by reversing the direction of anterior/posterior translation and internal/external rotation...
April 1, 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
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