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Hanneke Stam, Johannes C van der Wouden, Jacqueline G Hugtenburg, Jos W R Twisk, Henriëtte E van der Horst, Otto R Maarsingh
OBJECTIVES: Dizziness is common in older people. Physicians are often unable to identify a specific cause for dizziness in older people, even after an extensive diagnostic work-up. A prognosis-oriented approach, i.e. treating modifiable risk factors for an unfavourable course of dizziness, may reduce dizziness-related impairment in older people in primary care. DESIGN: Cluster randomized controlled trial. SETTING: 45 primary care practices in The Netherlands...
2018: PloS One
Bilal Sirhan, Lior Frid, Alon Kalron
The objective of the study was to investigate cognitive-motor interference of walking while texting in people with multiple sclerosis (PwMS). The study included 30 PwMS, mean disease duration 11.8 (SD = 6.8) years, and 15 healthy controls. The investigation included a cognitive assessment; texting assessment based on 100 typed characters; and gait assessment under two different conditions: normal walking and walking while texting. Outcome measures included the Symbol Digit Modalities Test to assess cognition...
October 8, 2018: Journal of Neural Transmission
Andrea Correa-Pérez, Eva Delgado-Silveira, Sagrario Martín-Aragón, Aurora M Rojo-Sanchís, Alfonso J Cruz-Jentoft
BACKGROUND: Polypharmacy and fall-risk increasing drugs (FRIDS) have been associated with injurious falls. We aimed to estimate the prevalence of polypharmacy and FRIDS in older patients discharged from an Orthogeriatric Unit after a hip fracture surgery. METHODS: This study describes the baseline findings of a 2-year retrospective cohort study. We included patients older than 80 years discharged from an Orthogeriatric Unit who were able to walk before surgery...
October 1, 2018: Aging Clinical and Experimental Research
Sanjay Kalra, Laurence J Hirsch, Anders Frid, Asthma Deeb, Kenneth W Strauss
INTRODUCTION: The 2015 Insulin Injection Technique Questionnaire survey involving 13,289 patients included 898 (6.8%) patients in the pediatric age range (≤ 18 years). METHODS: The younger patients included in the questionnaire survey were grouped according to age: Group 1 (G1), 0-6 years, n = 85; Group 2(G2), 7-13, n = 423; Group 3 (G3), 14-18, n = 390. The injection technique was evaluated by means of a questionnaire and nurse assessment. RESULTS: Nurses found lipohypertrophy at injection sites in 41...
September 21, 2018: Diabetes Therapy: Research, Treatment and Education of Diabetes and related Disorders
Fiona E Culhane, Christoper L J Frid, Eva Royo Gelabert, Lydia White, Leonie A Robinson
Marine ecosystems support supply of ecosystem services (ESs) through processes and functions carried out by diverse biological elements. Managing sustainability of ES use requires linking services to the parts of ecosystems supplying them. We specified marine service providing units (SPUs) as plausible combinations of a biotic group (e.g., bacteria, seabirds) with an associated major habitat (e.g., sublittoral sediment). We developed a network model for large marine ecosystems, documenting 2,916 links between 153 SPUs with 31 services...
October 2018: Ecological Applications: a Publication of the Ecological Society of America
Ulf Nyman, Joanna Ahlkvist, Peter Aspelin, Torkel Brismar, Anders Frid, Mikael Hellström, Per Liss, Gunnar Sterner, Peter Leander
A side-by-side comparison of updated guidelines regarding contrast medium-induced acute kidney injury (CI-AKI) from the Swedish Society of Uroradiology (SSUR) and the European Society of Urogenital Radiology (ESUR) is presented. The major discrepancies include a higher glomerular filtration rate (GFR) threshold as a risk factor for CI-AKI and for discontinuation of metformin by SSUR, i.e., < 45 ml/min versus < 30 ml/min/1.73 m2 by ESUR, when intravenous or intra-arterial contrast media (CM) with second-pass renal exposure is administered...
August 21, 2018: European Radiology
Mauricio Ostrosky-Frid, María Castañeda-Bueno, Gerardo Gamba
The renal thiazide-sensitive NaCl cotransporter (NCC) is the major salt transport pathway in the distal convoluted tubule of the mammalian nephron. NCC activity is critical for modulation of arterial blood pressure and serum potassium levels. Reduced activity of NCC in genetic diseases results in arterial hypotension and hypokalemia, while increased activity results in genetic diseases featuring hypertension and hyperkalemia. Several hormones and physiological conditions modulate NCC activity through a final intracellular complex pathway involving kinases and ubiquitin ligases...
August 8, 2018: American Journal of Physiology. Renal Physiology
Yoonyoung Choi, Benjamin Staley, Carl Henriksen, Dandan Xu, Gloria Lipori, Babette Brumback, Almut G Winterstein
PURPOSE: Construction and validation of a fall risk prediction model specific to inpatients receiving fall risk-increasing drugs (FRIDs) are described. METHODS: In a retrospective cohort study of 75,036 admissions to 2 hospitals over a designated 22-month period that involved FRID exposure during the first 5 hospital days, factors influencing fall risk were investigated via logistic regression. The resultant risk prediction model was internally validated and its performance compared with that of a model based on Morse Fall Scale (MFS) scores...
September 1, 2018: American Journal of Health-system Pharmacy: AJHP
Anna Axmon, Magnus Sandberg, Gerd Ahlström, Patrik Midlöv
BACKGROUND: Falls are the most common cause of injury for older people in the general population as well as among those with intellectual disability. There are many risk factors for falls, including a range of drugs which are considered to be fall-risk-increasing (FRIDs). The aim of the present study was to describe prescription patterns of FRIDs in itself as well as in relation to falls requiring health care among older people with intellectual disability and their age-peers in the general population...
2018: PloS One
Lisa Söderström, Eva Thors Adolfsson, Andreas Rosenblad, Hanna Frid, Anja Saletti, Leif Bergkvist
No abstract text is available yet for this article.
June 8, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
Eduardo R Argaiz, Maria Chavez-Canales, Mauricio Ostrosky-Frid, Alejandro Rodríguez-Gama, Norma Vázquez, Xochiquetzal Gonzalez-Rodriguez, Jesus Garcia-Valdes, Juliette Hadchouel, David Ellison, Gerardo Gamba
Familial hyperkalemic hypertension (FHHt) can be mainly attributed to increased activity of the renal Na+ :Cl- cotransporter (NCC), which is caused by altered expression and regulation of the with-no-lysine (K) 1 (WNK1) or WNK4 kinases. The WNK1 gene gives rise to a kidney-specific isoform that lacks the kinase domain (KS-WNK1), the expression of which occurs primarily in the distal convoluted tubule. The role played by KS-WNK1 in the modulation of the WNK/STE20-proline-alanine rich kinase (SPAK)/NCC pathway remains elusive...
September 1, 2018: American Journal of Physiology. Renal Physiology
Kati Frid, Orli Binyamin, Nina Fainstein, Guy Keller, Tamir Ben-Hur, Ruth Gabizon
TgMHu2ME199K mice, a transgenic line mimicking genetic prion disease, are born healthy and gradually deteriorate to a terminal neurological condition concomitant with the accumulation of disease-related PrP. To investigate whether transplantation of neural progenitor cells (NPCs) to these mice can delay disease aggravation, we first tested the properties of mutant PrP in homogenates and enriched NPCs from TgMHu2ME199K embryos, as compared to PrP in sick TgMHu2ME199K brains. Next, we tested the clinical effect of NPCs transplantation into newborn TgMHu2ME199K mice...
May 2018: Neurobiology of Aging
Ingrid Frid, Johan Ågren, Mattias Kjellberg, Erik Normann, Richard Sindelar
AIM: This study evaluated the medical quality of acute airborne transports carried out by a neonatal emergency transport service in a Swedish healthcare region from 2012 to 2015. METHODS: The transport charts and patient records of all infants transported to the regional centre were reviewed for transport indications and vital parameters and outcomes. RESULTS: We identified 187 acute airborne transports and the main indications for referral were therapeutic hypothermia after perinatal asphyxia, extremely preterm birth and respiratory failure...
August 2018: Acta Paediatrica
Kurt R Stenmark, Maria G Frid, Brian B Graham, Rubin M Tuder
Pulmonary hypertension (PH) is the end result of interaction between pulmonary vascular tone and a complex series of cellular and molecular events termed 'vascular remodelling'. The remodelling process, which can involve the entirety of pulmonary arterial vasculature, almost universally involves medial thickening, driven by increased numbers and hypertrophy of its principal cellular constituent, smooth muscle cells (SMCs). It is noted, however that SMCs comprise heterogeneous populations of cells, which can exhibit markedly different proliferative, inflammatory, and extracellular matrix production changes during remodelling...
March 15, 2018: Cardiovascular Research
Alon Kalron, Roy Aloni, Mark Dolev, Lior Frid, Uri Givon, Shay Menascu
The objective of the study was to determine if cognitive function is associated with step time variability in people with multiple sclerosis (PwMS). The study included 355 PwMS (218 women), average age 41.1 (SD = 13.5), disease duration 5.9 (SD = 7.3) years, and a median expanded disability status scale score of 2.5. We separately analyzed the sample group of fallers and non-fallers based on their fall history. Gait variability was measured by an electronic walkway and all participants completed a computerized cognitive test battery designed to evaluate multiple cognitive domains...
June 2018: Journal of Neural Transmission
Hui Zhang, Daren Wang, Min Li, Lydie Plecitá-Hlavatá, Angelo D'Alessandro, Jan Tauber, Suzette Riddle, Sushil Kumar, Amanda Flockton, B Alexandre McKeon, Maria G Frid, Julie A Reisz, Paola Caruso, Karim C El Kasmi, Petr Ježek, Nicholas W Morrell, Cheng-Jun Hu, Kurt R Stenmark
BACKGROUND: An emerging metabolic theory of pulmonary hypertension (PH) suggests that cellular and mitochondrial metabolic dysfunction underlies the pathology of this disease. We and others have previously demonstrated the existence of hyperproliferative, apoptosis-resistant, proinflammatory adventitial fibroblasts from human and bovine hypertensive pulmonary arterial walls (PH-Fibs) that exhibit constitutive reprogramming of glycolytic and mitochondrial metabolism, accompanied by an increased ratio of glucose catabolism through glycolysis versus the tricarboxylic acid cycle...
December 19, 2017: Circulation
Paola Caruso, Benjamin J Dunmore, Kenny Schlosser, Sandra Schoors, Claudia Dos Santos, Carol Perez-Iratxeta, Jessie R Lavoie, Hui Zhang, Lu Long, Amanda R Flockton, Maria G Frid, Paul D Upton, Angelo D'Alessandro, Charaka Hadinnapola, Fedir N Kiskin, Mohamad Taha, Liam A Hurst, Mark L Ormiston, Akiko Hata, Kurt R Stenmark, Peter Carmeliet, Duncan J Stewart, Nicholas W Morrell
BACKGROUND: Pulmonary arterial hypertension (PAH) is characterized by abnormal growth and enhanced glycolysis of pulmonary artery endothelial cells. However, the mechanisms underlying alterations in energy production have not been identified. METHODS: Here, we examined the miRNA and proteomic profiles of blood outgrowth endothelial cells (BOECs) from patients with heritable PAH caused by mutations in the bone morphogenetic protein receptor type 2 ( BMPR2 ) gene and patients with idiopathic PAH to determine mechanisms underlying abnormal endothelial glycolysis...
December 19, 2017: Circulation
Mónica Beunza-Sola, Ángel M Hidalgo-Ovejero, Jon Martí-Ayerdi, José Germán Sánchez-Hernández, Miguel Menéndez-García, Serafín García-Mata
BACKGROUND: Accidental falls have a significant economic and human impact. The use of certain drugs is one of the modifiable risk factors associated with these events. OBJECTIVE: The aim of this study was to determine the prevalence of use and to explore changes in treatment with fall-related drugs in patients over 65 years of age admitted as a result of a fall-related fracture. METHODS: Observational and prospective study performed in a tertiary level hospital...
February 2018: Postgraduate Medical Journal
Jonas Sieber, Nicolas Wieder, Mauricio Ostrosky-Frid, Moran Dvela-Levitt, Ozan Aygün, Namrata D Udeshi, Steven A Carr, Anna Greka
The up-regulation of chaperones such as the 78-kDa glucose-regulated protein (GRP78, also referred to as BiP or HSPA5) is part of the adaptive cellular response to endoplasmic reticulum (ER) stress. GRP78 is widely used as a marker of the unfolded protein response, associated with sustained ER stress. Here we report the discovery of a proteostatic mechanism involving GRP78 trimethylation in the context of ER stress. Using mass spectrometry-based proteomics, we identified two GRP78 fractions, one homeostatic and one induced by ER stress...
November 17, 2017: Journal of Biological Chemistry
Anders Frid, Andrea Tura, Giovanni Pacini, Martin Ridderstråle
We conducted a double-blind placebo-controlled crossover pilot study to investigate the effect of oat betaglucans (β-glucan) on glycaemic control and variability in adults with type 1 diabetes (T1D; n = 14). Stomacol® tablets (1.53 g of β-glucan) or placebo (Plac) were administered three times daily before meals for two weeks. Glucose levels were monitored during the second week by continuous glucose monitoring (CGM). There was an increase in basic measures of glycaemic control (maximal glucose value 341 ± 15 vs...
September 12, 2017: Nutrients
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