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Gustav Mikkelsen, Arne Åsberg, Gunhild Garmo Hov
No abstract text is available yet for this article.
March 13, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
Michelle Chatwin, Michel Toussaint, Miguel R Gonçalves, Nicole Sheers, Uwe Mellies, Jesus Gonzales-Bermejo, Jesus Sancho, Brigitte Fauroux, Tiina Andersen, Brit Hov, Malin Nygren-Bonnier, Matthieu Lacombe, Kurt Pernet, Mike Kampelmacher, Christian Devaux, Kathy Kinnett, Daniel Sheehan, Fabrizio Rao, Marcello Villanova, David Berlowitz, Brenda M Morrow
This is a unique state of the art review written by a group of 21 international recognized experts in the field that gathered during a meeting organized by the European Neuromuscular Centre (ENMC) in Naarden, March 2017. It systematically reports the entire evidence base for airway clearance techniques (ACTs) in both adults and children with neuromuscular disorders (NMD). We not only report randomised controlled trials, which in other systematic reviews conclude that there is a lack of evidence base to give an opinion, but also include case series and retrospective reviews of practice...
March 2018: Respiratory Medicine
Caroline Schmitt, Hugo Lenglet, Angèle Yu, Constance Delaby, Arndt Benecke, Thibaud Lefebvre, Philippe Letteron, Valérie Paradis, Staffan Wahlin, Sverre Sandberg, Pauline Harper, Eliane Sardh, Arne Kristian Sandvik, Johannes R Hov, Aasne Karine Aarsand, Laurence Chiche, Céline Bazille, Jean-Yves Scoazec, Jordi To Figueras, Montserrat Carrascal, Joaquim Abian, Arienne Mirmiran, Zoubida Karim, Jean-Charles Deybach, Hervé Puy, Katell Peoc'h, Hana Manceau, Laurent Gouya
BACKGROUND: Acute intermittent porphyria (AIP) is an inherited disorder of heme metabolism characterized by life-threatening acute neurovisceral attacks due to the induction of hepatic δ-aminolevulinic acid synthase 1 (ALAS1) associated with hydroxymethylbilane synthase (HMBS) deficiency. So far, the treatment of choice is hemin which represses ALAS1. The main issue in the medical care of AIP patients is the occurrence of debilitating recurrent attacks. OBJECTIVE: The aim of this study was to determine whether chronic hemin administration contributes to the recurrence of acute attacks...
March 2, 2018: Journal of Internal Medicine
Kristi G Bache, Maren Ranhoff Hov, Karianne Larsen, Volker Moræus Solyga, Christian G Lund
BACKGROUND: Acute ischemic stroke (AIS) is a medical emergency. The outcome is closely linked to the time elapsing from symptom onset to treatment, and seemingly small delays can mean the difference between full recovery and physical and cognitive dysfunction. Recanalization to allow blood to reenter the affected area is most efficient immediately after symptoms occur, and intravenous thrombolysis must be initiated no later than 4.5 hours after the symptom onset. A liable diagnosis is mandatory to administer the appropriate treatment...
February 28, 2018: JMIR Research Protocols
Kwangho Kim, Byung-Jung Park
This paper investigates the crash-rate distribution of the freeway weaving segments with a buffer-separated high-occupancy-vehicle lane. For this purpose, crash, traffic and geometry data were extracted from various sources. These extracted data were either spatially or spatiotemporally matched with one another, and used for both descriptive and model-based analyses. The descriptive analysis revealed that crash-rate distributions of the weaving segments depend not only on the class of the subject highway but also on the presence of an access point...
February 8, 2018: International Journal of Injury Control and Safety Promotion
Karen Roksund Hov, Nils Bolstad, Ane-Victoria Idland, Henrik Zetterberg, Kaj Blennow, Farrukh A Chaudhry, Frede Frihagen, Johan Ræder, Torgeir Bruun Wyller, Leiv Otto Watne
Objectives: This study aimed to investigate the relationship between cerebrospinal fluid (CSF) S100B astrocyte-derived protein and delirium and to perform stratified analyses according to clinical and CSF markers of dementia. Methods: We performed a prospective cohort study in a university hospital setting. The participants were patients admitted for hip fracture (n = 98) or for elective surgery (n = 50). Delirium was assessed daily perioperatively in hip fracture patients using the Confusion Assessment Method...
September 2017: Dementia and Geriatric Cognitive Disorders Extra
Maren R Hov, Jo Røislien, Thomas Lindner, Erik Zakariassen, Kristi C G Bache, Volker M Solyga, David Russell, Christian G Lund
BACKGROUND: Cerebral revascularization in acute stroke requires robust diagnostic tools close to symptom onset. The quantitative National Institute of Health Stroke Scale (NIHSS) is widely used in-hospital, whereas shorter and less specific stroke scales are used in the prehospital field. This study explored the accuracy and potential clinical benefit of using NIHSS prehospitally. PATIENTS AND METHODS: Thirteen anesthesiologists trained in prehospital critical care enrolled patients with suspected acute stroke in a mobile stroke unit...
December 12, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
Brit Hov, Tiina Andersen, Vegard Hovland, Michel Toussaint
Mechanical insufflation-exsufflation (MI-E) is a strategy to treat pulmonary exacerbations in neuromuscular disorders (NMDs). Pediatric guidelines for optimal setting titration of MI-E are lacking and the settings used in studies vary. Our objective was to assess the actual MI-E settings being used in current clinical treatment of children with NMDs and a survey was sent in July 2016 to European expertise centers. Ten centers from seven countries gave information on MI-E settings for 240 children aged 4 months to 17...
November 3, 2017: Paediatric Respiratory Reviews
Øystein Hov, Deon Terblanche, Sarah Jones, Paolo M Ruti, Oksana Tarasova
No abstract text is available yet for this article.
December 14, 2017: Nature
Tuva Sandsdalen, Sevald Høye, Ingrid Rystedt, Vigdis Abrahamsen Grøndahl, Reidun Hov, Bodil Wilde-Larsson
BACKGROUND: Little is known about the combination of person- and organization- related conditions and the relationships with patients' perspectives of care quality. Such a combination could contribute knowledge reflecting the complexity of clinical practice, and enhance individualized care. The aim was to investigate the relationships between the combination of person- and organization-related conditions and patients' perceptions of palliative care quality. METHODS: A cross-sectional study, including 191 patients in the late palliative phase (73% response rate) admitted to hospice inpatient care (n = 72), hospice day care (n = 51), palliative units in nursing homes (n = 30) and home care (n = 38), was conducted between November 2013 and December 2014, using the instrument Quality from the Patients' Perspective specific to palliative care (QPP-PC)...
December 6, 2017: BMC Palliative Care
Frode L Jahnsen, Espen S Bækkevold, Johannes R Hov, Ole J Landsverk
Disruptions to the gut microbiota have been associated with a variety of diseases. Understanding the underlying mechanisms that regulate the maintenance of a healthy microbiota may therefore have therapeutic implications. Secretory IgA play a unique role in immune-microbiota crosstalk by directly binding to bacteria in the gut lumen. Microbe-specific IgA responses co-develop with the assembly of the gut microbiota during infancy, and resemble those of adults by 2 years postnatally in the healthy host. We propose here that microbiota-specific IgA-producing gut plasma cells generated during infancy live for many decades and contribute to a stable microbiota community...
November 18, 2017: Trends in Immunology
John Gulliver, David Morley, Chrissi Dunster, Adrienne McCrea, Erik van Nunen, Ming-Yi Tsai, Nicoltae Probst-Hensch, Marloes Eeftens, Medea Imboden, Regina Ducret-Stich, Alessio Naccarati, Claudia Galassi, Andrea Ranzi, Mark Nieuwenhuijsen, Ariadna Curto, David Donaire-Gonzalez, Marta Cirach, Roel Vermeulen, Paolo Vineis, Gerard Hoek, Frank J Kelly
Oxidative potential (OP) of particulate matter (PM) is proposed as a biologically-relevant exposure metric for studies of air pollution and health. We aimed to evaluate the spatial variability of the OP of measured PM2.5 using ascorbate (AA) and (reduced) glutathione (GSH), and develop land use regression (LUR) models to explain this spatial variability. We estimated annual average values (m-3 ) of OPAA and OPGSH for five areas (Basel, CH; Catalonia, ES; London-Oxford, UK (no OPGSH ); the Netherlands; and Turin, IT) using PM2...
January 2018: Environmental Research
Rune R Tronstad, Martin Kummen, Kristian Holm, Hilde L von Volkmann, Jarl A Anmarkrud, Marte L Høivik, Bjørn Moum, Odd H Gilja, Trygve Hausken, John Baines, Tom H Karlsen, Torunn Fiskerstrand, Johannes R Hov
BACKGROUND: With 25% prevalence of Crohn's disease, Familial GUCY2C diarrhea syndrome (FGDS) is a monogenic disorder potentially suited to study initiating factors in inflammatory bowel disease (IBD). We aimed to characterize the impact of an activating GUCY2C mutation on the gut microbiota in patients with FGDS controlling for Crohn's disease status and to determine whether changes share features with those observed in unrelated patients with IBD. METHODS: Bacterial DNA from fecal samples collected from patients with FGDS (N = 20), healthy relatives (N = 11), unrelated healthy individuals (N = 263), and IBD controls (N = 46) was subjected to sequencing of the V3-V4 region of the 16S rRNA gene to determine gut microbiota composition...
October 2017: Inflammatory Bowel Diseases
Malte C Rühlemann, Frauke Degenhardt, Louise B Thingholm, Jun Wang, Jurgita Skiecevičienė, Philipp Rausch, Johannes R Hov, Wolfgang Lieb, Tom H Karlsen, Matthias Laudes, John F Baines, Femke-Anouska Heinsen, Andre Franke
Factors shaping the human intestinal microbiota range from environmental influences, like smoking and exercise, over dietary patterns and disease to the host's genetic variation. Recently, we could show in a microbiome genome-wide association study (mGWAS) targeting genetic variation influencing the β diversity of gut microbial communities, that approximately 10% of the overall gut microbiome variation can be explained by host genetics. Here, we report on the application of a new method for genotype-β-diversity association testing, the distance-based F (DBF) test...
August 17, 2017: Gut Microbes
Maren Ranhoff Hov, Erik Zakariassen, Thomas Lindner, Terje Nome, Kristi G Bache, Jo Røislien, Jostein Gleditsch, Volker Solyga, David Russell, Christian G Lund
BACKGROUND AND PURPOSE: In acute stroke, thromboembolism or spontaneous hemorrhage abruptly reduces blood flow to a part of the brain. To limit necrosis, rapid radiological identification of the pathological mechanism must be conducted to allow the initiation of targeted treatment. The aim of the Norwegian Acute Stroke Prehospital Project is to determine if anesthesiologists, trained in prehospital critical care, may accurately assess cerebral computed tomography (CT) scans in a mobile stroke unit (MSU)...
July 27, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
Elizabeth R Volkmann, Anna-Maria Hoffmann-Vold, Yu-Ling Chang, Jonathan P Jacobs, Kirsten Tillisch, Emeran A Mayer, Philip J Clements, Johannes R Hov, Martin Kummen, Øyvind Midtvedt, Venu Lagishetty, Lin Chang, Jennifer S Labus, Øyvind Molberg, Jonathan Braun
OBJECTIVE: To compare faecal microbial composition in patients with systemic sclerosis (SSc) from 2 independent cohorts with controls and to determine whether certain genera are associated with SSc-gastrointestinal tract (GIT) symptoms. DESIGN: Adult patients with SSc from the University of California, Los Angeles (UCLA) and Oslo University Hospital (OUH) and healthy controls participated in this study (1:1:1). All participants provided stool specimens for 16S rRNA sequencing...
2017: BMJ Open Gastroenterology
E K K Henriksen, M K Viken, M Wittig, K Holm, T Folseraas, S Mucha, E Melum, J R Hov, K N Lazaridis, B D Juran, O Chazouillères, M Färkkilä, D N Gotthardt, P Invernizzi, M Carbone, G M Hirschfield, S M Rushbrook, E Goode, C Y Ponsioen, R K Weersma, B Eksteen, K K Yimam, S C Gordon, D Goldberg, L Yu, C L Bowlus, A Franke, B A Lie, T H Karlsen
Primary sclerosing cholangitis (PSC) is strongly associated with several human leukocyte antigen (HLA) haplotypes. Due to extensive linkage disequilibrium and multiple polymorphic candidate genes in the HLA complex, identifying the alleles responsible for these associations has proven difficult. We aimed to evaluate whether studying populations of admixed or non-European descent could help in defining the causative HLA alleles. When assessing haplotypes carrying HLA-DRB1*13:01 (hypothesized to specifically increase the susceptibility to chronic cholangitis), we observed that every haplotype in the Scandinavian PSC population carried HLA-DQB1*06:03...
July 11, 2017: HLA
Aida Kapic Lunder, Jørgen Jahnsen, Linda Tøften Bakstad, Arne Borthne, Johannes Roksund Hov, Morten Vatn, Anne Negård
BACKGROUND & AIMS: Magnetic resonance enterography (MRE) is used to evaluate the extent and complications of Crohn's disease (CD). MRE results are used in calculation of the Lémann index (LI) score, which quantifies bowel damage. The long-term outcomes of CD are uncertain; we aimed to assess bowel disease and damage in patients with CD for 20 years using MRE and the LI. METHODS: We performed a follow-up analysis of a population-based cohort of 237 patients in southeastern Norway diagnosed with CD from 1990 to 1993...
July 8, 2017: Clinical Gastroenterology and Hepatology
Cristiane C K Mayerhofer, Thor Ueland, Kaspar Broch, Royce P Vincent, Gemma F Cross, Christen P Dahl, Pål Aukrust, Lars Gullestad, Johannes R Hov, Marius Trøseid
OBJECTIVE: Bile acids (BAs) are now recognized as signaling molecules and emerging evidence suggests that BAs affect cardiovascular function. The gut microbiota has recently been linked to the severity of heart failure (HF), and microbial metabolism has a major impact on BA homeostasis. We aimed to investigate the pattern of BAs, and particularly microbiota-transformed (secondary) BAs, in patients with chronic HF. METHODS AND RESULTS: This was a prospective, observational, single-center study including 142 patients with chronic HF and 20 age- and sex-matched healthy control subjects...
July 5, 2017: Journal of Cardiac Failure
Rema Hanna, Gabriel Kreindler, Benjamin A Olken
Widespread use of single-occupancy cars often leads to traffic congestion. Using anonymized traffic speed data from Android phones collected through Google Maps, we investigated whether high-occupancy vehicle (HOV) policies can combat congestion. We studied Jakarta's "three-in-one" policy, which required all private cars on two major roads to carry at least three passengers during peak hours. After the policy was abruptly abandoned in April 2016, delays rose from 2.1 to 3.1 minutes per kilometer (min/km) in the morning peak and from 2...
July 7, 2017: Science
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