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https://www.readbyqxmd.com/read/28878239/mutation-e87q-of-the-%C3%AE-1-subunit-impairs-the-maturation-of-the-cardiac-voltage-dependent-sodium-channel
#1
Debora Baroni, Cristiana Picco, Oscar Moran
Voltage-dependent sodium channels are responsible of the rising phase of the action potential in excitable cells. These membrane integral proteins are composed by a pore-forming α-subunit, and one or more auxiliary β subunits. Mutation E87Q of the β1 subunit is correlated with Brugada syndrome, a genetic disease characterised by ventricular fibrillation, right precordial ST segment elevation on ECG and sudden cardiac death. Heterologous expression of E87Q-β1 subunit in CHO cells determines a reduced sodium channel functional expression...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28855727/noninvasive-oscillometric-cardiac-output-determination-in-the-intensive-care-unit-comparison-with-invasive-transpulmonary-thermodilution
#2
Alexander Reshetnik, Friederike Compton, Anna Schölzel, Markus Tölle, Walter Zidek, Markus van der Giet
Assessment of the cardiac output (CO) is usually performed with invasive techniques requiring specialized equipment in the intensive care unit (ICU). With TEL-O-GRAPH (TG), CO can be derived from the oscillometrically obtained brachial pulse wave during the measurement of brachial blood pressure. CO and stroke volume (SV) determinations with TG were compared with transpulmonary thermodilution measurements with the PICCO system (PICCO) in 38 haemodynamically unstable ICU patients with a total of 84 comparison measurements performed...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28851803/mediating-effects-of-self-stigma-on-the-relationship-between-perceived-stigma-and-psychosocial-outcomes-among-psychiatric-outpatients-findings-from-a-cross-sectional-survey-in-singapore
#3
Louisa Picco, Ying Wen Lau, Shirlene Pang, Edimansyah Abdin, Janhavi Ajit Vaingankar, Siow Ann Chong, Mythily Subramaniam
OBJECTIVES: To examine whether self-stigma mediates the relationship between perceived stigma and quality of life, self-esteem and general functioning among outpatients with depression, schizophrenia, anxiety and obsessive-compulsive disorder (OCD). DESIGN: Cross-sectional survey. SETTING: Outpatient clinics at a tertiary psychiatric hospital in Singapore. PARTICIPANTS: 280 outpatients with a primary clinical diagnosis of either schizophrenia, depression, anxiety or OCD...
August 29, 2017: BMJ Open
https://www.readbyqxmd.com/read/28838408/crohn-s-disease-genetics-update
#4
REVIEW
Ming-Hsi Wang, Michael F Picco
Since the discovery of the first Crohn's disease (CD) gene NOD2 in 2001, 140 genetic loci have been found in whites using high-throughput genome-wide association studies. Several genes influence the CD subphenotypes and treatment response. With the observations of increasing prevalence in Asia and developing countries and the incomplete explanation of CD variance, other underexplored areas need to be integrated through novel methodologies. Algorithms that incorporate specific genetic risk alleles with other biomarkers will be developed and used to predict CD disease course, complications, and response to specific therapies, allowing precision medicine to become real in CD...
September 2017: Gastroenterology Clinics of North America
https://www.readbyqxmd.com/read/28822023/pulse-contour-derived-cardiac-output-measurements-in-morbid-obesity-influence-of-actual-ideal-and-adjusted-bodyweight
#5
Chantal A Boly, Pieter Schraverus, Floris van Raalten, Jan-Willem Coumou, Christa Boer, Simone van Kralingen
The non-invasive Nexfin cardiac output (CO) monitor shows a low level of agreement with the gold standard thermodilution method in morbidly obese patients. Here we investigate whether this disagreement is related to excessive bodyweight, and can be improved when bodyweight derivatives are used instead. We performed offline analyses of cardiac output recordings of patient data previously used and partly published in an earlier study by our group. In 30 morbidly obese patients (BMI > 35 kg/m(2)) undergoing laparoscopic gastric bypass, cardiac output was simultaneously determined with PiCCO thermodilution and Nexfin pulse-contour method...
August 18, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28777686/a-non-parametric-item-response-theory-evaluation-of-the-cage-instrument-among-older-adults
#6
Edimansyah Abdin, Vathsala Sagayadevan, Janhavi Ajit Vaingankar, Louisa Picco, Siow Ann Chong, Mythily Subramaniam
BACKGROUND: The validity of the CAGE using item response theory (IRT) has not yet been examined in older adult population. OBJECTIVE: This study aims to investigate the psychometric properties of the CAGE using both non-parametric and parametric IRT models, assess whether there is any differential item functioning (DIF) by age, gender and ethnicity and examine the measurement precision at the cut-off scores. METHODS: We used data from the Well-being of the Singapore Elderly study to conduct Mokken scaling analysis (MSA), dichotomous Rasch and 2-parameter logistic IRT models...
August 4, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28764770/psychometric-properties-of-the-short-warwick-edinburgh-mental-well-being-scale-swemwbs-in-service-users-with-schizophrenia-depression-and-anxiety-spectrum-disorders
#7
Janhavi Ajit Vaingankar, Edimansyah Abdin, Siow Ann Chong, Rajeswari Sambasivam, Esmond Seow, Anitha Jeyagurunathan, Louisa Picco, Sarah Stewart-Brown, Mythily Subramaniam
BACKGROUND: To establish the validity and reliability of the Short Warwick Edinburgh Mental Well-being Scale (SWEMWBS) in service users with schizophrenia, depression and anxiety spectrum disorders in Singapore and estimate SWEMWBS scores across socio-demographic and the three psychiatric diagnostic groups in the sample. METHODS: This secondary analysis was conducted using data from a study among outpatients of a tertiary psychiatric hospital. In addition to the SWEMWBS, socio-demographic data and current psychiatric diagnosis were collected...
August 1, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28754669/integrating-models-to-quantify-environment-mediated-drug-resistance
#8
Noemi Picco, Erik Sahai, Philip K Maini, Alexander Ra Anderson
<p>Drug resistance is the single most important driver of cancer treatment failure for modern targeted therapies, and the dialogue between tumor and stroma has been shown to modulate the response to molecularly targeted therapies through proliferative and survival signaling. In this work, we investigate interactions between a growing tumor and its surrounding stroma and their role in facilitating the emergence of drug resistance. We used mathematical modeling as a theoretical framework to bridge between experimental models and scales, with the aim of separating intrinsic and extrinsic components of resistance in BRAF-mutated melanoma; the model describes tumor-stroma dynamics both with and without treatment...
July 28, 2017: Cancer Research
https://www.readbyqxmd.com/read/28750677/inhaled-ap301-for-treatment-of-pulmonary-edema-in-mechanically-ventilated-patients-with-acute-respiratory-distress-syndrome-a-phase-iia-randomized-placebo-controlled-trial
#9
Katharina Krenn, Rudolf Lucas, Adrien Croizé, Stefan Boehme, Klaus Ulrich Klein, Robert Hermann, Klaus Markstaller, Roman Ullrich
BACKGROUND: High-permeability pulmonary edema is a hallmark of acute respiratory distress syndrome (ARDS) and is frequently accompanied by impaired alveolar fluid clearance (AFC). AP301 enhances AFC by activating epithelial sodium channels (ENaCs) on alveolar epithelial cells, and we investigated its effect on extravascular lung water index (EVLWI) in mechanically ventilated patients with ARDS. METHODS: Forty adult mechanically ventilated patients with ARDS were included in a randomized, double-blind, placebo-controlled trial for proof of concept...
July 27, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28738837/assessment-of-cerebral-circulation-in-a-porcine-model-of-intravenously-given-e-coli-induced-fulminant-sepsis
#10
Levente Molnár, Norbert Németh, Mariann Berhés, Endre Hajdú, Lóránd Papp, Ábel Molnár, Judit Szabó, Ádám Deák, Béla Fülesdi
BACKGROUND: The aim of the present work was to assess cerebral hemodynamic changes in a porcine model of E.coli induced fulminant sepsis. METHODS: Nineteen healthy female Hungahib pigs, 10-12 weeks old, randomly assigned into two groups: Control (n = 9) or Septic Group (n = 10). In the Sepsis group Escherichia coli culture suspended in physiological saline was intravenously administrated in a continuously increasing manner according to the following protocol: 2 ml of bacterial culture suspended in physiological saline was injected in the first 30 min, then 4 ml of bacterial culture was administered within 30 min, followed by infusion of 32 ml bacterial culture for 2 h...
July 24, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28737117/prevalence-and-correlates-of-traumatic-brain-injury-tbi-in-older-adults-results-from-the-well-being-of-the-singapore-elderly-wise-study
#11
Laxman Cetty, Edimansyah Abdin, Janhavi Ajit Vaingankar, Anitha Jeyagurunathan, Boon Yiang Chua, Louisa Picco, Martin Prince, Siow Ann Chong, Mythily Subramaniam
BACKGROUND: Older adults are among the most susceptible to sustain traumatic brain injury (TBI). The study aimed to determine the (1) prevalence of TBI among older adults in Singapore, and (2) socio-demographic, lifestyle, and clinical correlates of TBI. METHODS: Data were extracted from the cross-sectional, Well-being of the Singapore Elderly (WiSE) study. The study included 2,565 participants aged 60 years and above (Mean = 72.75, SD = 9.54). Information on TBI, socio-demographic, and lifestyle factors were collected using participant self-report and verified with the informant report where necessary...
July 24, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28734239/stigma-resistance-and-its-association-with-internalised-stigma-and-psychosocial-outcomes-among-psychiatric-outpatients
#12
Ying Wen Lau, Louisa Picco, Shirlene Pang, Anitha Jeyagurunathan, Pratika Satghare, Siow Ann Chong, Mythily Subramaniam
Studies have suggested that stigma resistance plays an important role in the recovery from mental illness. However, there has been limited research in Asian countries that has examined the benefits of stigma resistance among the mentally ill in Asian populations. Hence, this study aimed to assess the prevalence of stigma resistance and establish the socio-demographic correlates of stigma resistance, as well as its association with internalised stigma and psychosocial outcomes among a multi-ethnic population of 280 outpatients with obsessive compulsive disorder (OCD), schizophrenia, depressive disorders and anxiety disorders in Singapore...
July 14, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28724041/effect-of-rhubarb-on-extravascular-lung-water-in-patients-with-acute-respiratory-distress-syndrome
#13
Jianxin He, Xiaoshui Si, Mingxia Ji, Jing Huang, Wenjuan Zheng, Jiao Wang, Junfeng Wang, Lijun Zhu
Objective: The aim of this study was to evaluate the effect of rhubarb on extravascular lung water (EVLW) in patients with acute respiratory distress syndrome (ARDS). Method: A total of 80 patients with ARDS were randomly divided into a treatment group (40 cases) and control group (40 cases). Patients in the treatment group received rhubarb (30.0 g/d) and patients in the control group received conventional therapy for seven consecutive days. Extravascular lung water index (EVLWI) and pulmonary vascular permeability index (PVPI) were determined using pulse contour cardiac output (PiCCO) technology, and the oxygenation index was measured by blood gas analysis at baseline and on days 3, 5 and 7 after treatment...
May 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28721928/strategic-roadmap-for-an-early-diagnosis-of-alzheimer-s-disease-based-on-biomarkers
#14
REVIEW
Giovanni B Frisoni, Marina Boccardi, Frederik Barkhof, Kaj Blennow, Stefano Cappa, Konstantinos Chiotis, Jean-Francois Démonet, Valentina Garibotto, Panteleimon Giannakopoulos, Anton Gietl, Oskar Hansson, Karl Herholz, Clifford R Jack, Flavio Nobili, Agneta Nordberg, Heather M Snyder, Mara Ten Kate, Andrea Varrone, Emiliano Albanese, Stefanie Becker, Patrick Bossuyt, Maria C Carrillo, Chiara Cerami, Bruno Dubois, Valentina Gallo, Ezio Giacobini, Gabriel Gold, Samia Hurst, Anders Lönneborg, Karl-Olof Lovblad, Niklas Mattsson, José-Luis Molinuevo, Andreas U Monsch, Urs Mosimann, Alessandro Padovani, Agnese Picco, Corinna Porteri, Osman Ratib, Laure Saint-Aubert, Charles Scerri, Philip Scheltens, Jonathan M Schott, Ida Sonni, Stefan Teipel, Paolo Vineis, Pieter Jelle Visser, Yutaka Yasui, Bengt Winblad
The diagnosis of Alzheimer's disease can be improved by the use of biological measures. Biomarkers of functional impairment, neuronal loss, and protein deposition that can be assessed by neuroimaging (ie, MRI and PET) or CSF analysis are increasingly being used to diagnose Alzheimer's disease in research studies and specialist clinical settings. However, the validation of the clinical usefulness of these biomarkers is incomplete, and that is hampering reimbursement for these tests by health insurance providers, their widespread clinical implementation, and improvements in quality of health care...
August 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28690832/validation-of-commercial-erk-antibodies-against-the-erk-orthologue-of-the-scleractinian-coral-stylophora-pistillata
#15
Lucile Courtial, Vincent Picco, Gilles Pagès, Christine Ferrier-Pagès
The extracellular signal-regulated protein kinase (ERK) signalling pathway controls key cellular processes, such as cell cycle regulation, cell fate determination and the response to external stressors. Although ERK functions are well studied in a variety of living organisms ranging from yeast to mammals, its functions in corals are still poorly known. The present work aims to give practical tools to study the expression level of ERK protein and the activity of the ERK signalling pathway in corals. The antibody characterisation experiment was performed five times and identical results were obtained...
2017: F1000Research
https://www.readbyqxmd.com/read/28685554/correlation-of-picco-ct-on-cardiac-output-index-value-and-prognosis-in-patients-with-heart-disease
#16
W Chang, L L Sun, N Ma, Z W Cui, R Q Sun, S J Zhang
The aim of this paper is to study the correlation between the cardiac output index value and the prognosis of patients with heart disease with the help of Pulse-induced Contour Cardiac Output (PICCO) and computed tomography (CT). Three hundred eighteen patients with pathologically confirmed heart disease were selected as study subjects. The Sime ns Av anto 1.6T type superconducting magnetic resonance meter and GE Light Speed Pro 48 slice spiral CT were used for the phased array coil scanning and enhanced scanning, respectively and to analyze the relationship between the cardiac output index value and prognosis in patients with heart disease with the help of PICCO and CT...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28678518/single-crystal-luminescent-carbon-nitride-nanosheets-formed-by-spontaneous-dissolution
#17
Thomas S Miller, Theo M Suter, Andrew M Telford, Loren Picco, Oliver D Payton, Freddie Russell-Pavier, Patrick L Cullen, Andrea Sella, Milo S P Shaffer, Jenny Nelson, Vasiliki Tileli, Paul F McMillan, Christopher A Howard
A primary method for the production of 2D nanosheets is liquid-phase delamination from their 3D layered bulk analogues. Most strategies currently achieve this objective by significant mechanical energy input or chemical modification but these processes are detrimental to the structure and properties of the resulting 2D nanomaterials. Bulk poly(triazine imide) (PTI)-based carbon nitrides are layered materials with a high degree of crystalline order. Here, we demonstrate that these semiconductors are spontaneously soluble in select polar aprotic solvents, that is, without any chemical or physical intervention...
July 5, 2017: Nano Letters
https://www.readbyqxmd.com/read/28664464/early-identification-of-mci-converting-to-ad-a-fdg-pet-study
#18
Marco Pagani, Flavio Nobili, Silvia Morbelli, Dario Arnaldi, Alessandro Giuliani, Johanna Öberg, Nicola Girtler, Andrea Brugnolo, Agnese Picco, Matteo Bauckneht, Roberta Piva, Andrea Chincarini, Gianmario Sambuceti, Cathrine Jonsson, Fabrizio De Carli
PURPOSE: Mild cognitive impairment (MCI) is a transitional pathological stage between normal ageing (NA) and Alzheimer's disease (AD). Although subjects with MCI show a decline at different rates, some individuals remain stable or even show an improvement in their cognitive level after some years. We assessed the accuracy of FDG PET in discriminating MCI patients who converted to AD from those who did not. METHODS: FDG PET was performed in 42 NA subjects, 27 MCI patients who had not converted to AD at 5 years (nc-MCI; mean follow-up time 7...
June 29, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28643321/global-end-diastolic-volume-could-be-more-appropiate-to-reduce-intraoperative-bleeding-than-central-venous-pressure-during-major-liver-transection
#19
Francisco Javier Redondo, Dawid Padilla, Ruben Villazala, Pedro Villaeiro, Victor Baladron, Natalia Bejerano
BACKGROUND: Central venous pressure often fails to identify the true value of cardiac preload. Our purpose is to investigate whether Global End-Diastolic Volume (GEDV) values can control hemodynamic parameters for the measurement of fluid volume, cardiac preload and blood loss during liver transection. METHODS: This was a prospective clinical study that included patients undergoing liver resection. All patients were monitored by means of PiCCO technology and 222 hemodynamic measurements were performed in 74 patients...
2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28633135/children-with-a-higher-activity-of-carbonic-anhydrase-vi-in-saliva-are-more-likely-to-develop-dental-caries
#20
Daniele de Cassia Rodrigues Picco, Lenita Marangoni Lopes, Marcelo Rocha Marques, Sergio Roberto Peres Line, Thaís Manzano Parisotto, Marinês Nobre Dos Santos
OBJECTIVE: This study aimed to analyze the concentration and activity of carbonic anhydrase (CA) VI in the saliva of school children. We investigated the relationship among caries, CA VI concentration/activity, flow rate, pH, and buffering capacity. MATERIALS AND METHODS: Seventy-four school children were divided into a caries-free group and a caries group. Clinical examinations were conducted by one examiner according to World Health Organization criteria + early caries lesions...
June 21, 2017: Caries Research
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