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Jan Tack

Cecilia Grinsvall, Hans Törnblom, Jan Tack, Lukas Van Oudenhove, Magnus Simrén
Background and objective: Psychological states may interfere with visceral sensitivity. Here we investigate associations between psychosocial factors and visceral sensitivity in irritable bowel syndrome (IBS). Methods: Two IBS patient cohorts (Cohort 1: n  = 231, Rome II; Cohort 2: n  = 141, Rome III) underwent rectal barostat testing, and completed questionnaires for anxiety, depression, somatization, and abuse. The associations between questionnaire measures and visceral sensitivity parameters were analyzed in three-step general linear models (step1: demographic and abuse variables; step 2: anxiety and depression; step 3: somatization)...
March 2018: United European Gastroenterology Journal
Egbert Clevers, William E Whitehead, Olafur S Palsson, Ami D Sperber, Hans Törnblom, Lukas Van Oudenhove, Jan Tack, Magnus Simrén
BACKGROUND AND AIMS: The Rome IV criteria define functional gastrointestinal (GI) disorders by specific combinations of symptoms. It is possible to empirically evaluate these symptom combinations by factor analysis (a statistical procedure that groups variables that correlate). However, this analysis has not been performed for the Rome IV criteria, and factor analyses based on the previous versions of the Rome criteria did not use population-based data. We therefore investigated symptom grouping by the Rome IV questionnaire using factor analysis of a population-based sample...
March 3, 2018: Clinical Gastroenterology and Hepatology
Egbert Clevers, Jan Tack, Hans Törnblom, Gisela Ringström, Koen Luyckx, Magnus Simrén, Lukas Van Oudenhove
BACKGROUND & AIMS: There are few data from longitudinal studies of the gastrointestinal and psychologic features of irritable bowel syndrome (IBS). We studied within-person correlations among features of IBS, along with progression of gastrointestinal (GI) symptoms and quality of life, and factors associated with changes over time. METHODS: We performed a longitudinal study of 276 patients with IBS in Sweden (70% female; ages, 19-76 years) who completed questionnaires, each year for 5 years, about their GI symptom severity, quality of life, GI-specific anxiety, general anxiety, depression, and coping resources...
March 3, 2018: Clinical Gastroenterology and Hepatology
Ana Carolina Cuéllar, Lene Jung Kjær, Carsten Kirkeby, Henrik Skovgard, Søren Achim Nielsen, Anders Stockmarr, Gunnar Andersson, Anders Lindstrom, Jan Chirico, Renke Lühken, Sonja Steinke, Ellen Kiel, Jörn Gethmann, Franz J Conraths, Magdalena Larska, Inger Hamnes, Ståle Sviland, Petter Hopp, Katharina Brugger, Franz Rubel, Thomas Balenghien, Claire Garros, Ignace Rakotoarivony, Xavier Allène, Jonathan Lhoir, David Chavernac, Jean-Claude Delécolle, Bruno Mathieu, Delphine Delécolle, Marie-Laure Setier-Rio, Roger Venail, Bethsabée Scheid, Miguel Ángel Miranda Chueca, Carlos Barceló, Javier Lucientes, Rosa Estrada, Alexander Mathis, Wesley Tack, Rene Bødker
BACKGROUND: Biting midges of the genus Culicoides (Diptera: Ceratopogonidae) are vectors of bluetongue virus (BTV), African horse sickness virus and Schmallenberg virus (SBV). Outbreaks of both BTV and SBV have affected large parts of Europe. The spread of these diseases depends largely on vector distribution and abundance. The aim of this analysis was to identify and quantify major spatial patterns and temporal trends in the distribution and seasonal variation of observed Culicoides abundance in nine countries in Europe...
February 27, 2018: Parasites & Vectors
Moritz Tacke, Ingo Borggraefe, Lucia Gerstl, Florian Heinen, Katharina Vill, Michaela Bonfert, Thomas Bast, Bernd Axel Neubauer, Friedrich Baumeister, Martina Baethmann, Karl Bentele, Christian Blank, Harald M Blank, Harald Bode, Friedrich Bosch, Ulrich Brandl, Knut Brockmann, Peter Dahlem, Jan-Peter Ernst, Evemarie Feldmann, Andreas Fiedler, Michael Gerigk, Soeren Heß, Christiane Hikel, Hans-Georg Hoffmann, Matthias Kieslich, Joerg Klepper, Gerhard Kluger, Hartmut Koch, Walter Koch, Rudolf Korinthenberg, Ilona Krois, Hermann Kühne, Gerhard Kurlemann, Michaela Mandl, Ulrike Mause, Peter Navratil, Joachim Opp, Johann Penzien, Viola Prietsch, Axel Quattländer, Dietz Rating, Ulrike Schara, Mohammed G Shamdeen, Andreas Sprinz, Hildegard Wendker-Magrabi, Ulrich Stephani, Hiltrud Muhle, Hans-Michael Straßburg, Bärbel Töpke, Regina Trollmann, Elisabeth Tuschen-Hofstätter, Stephan Waltz, Gabriele Weber, Frank U Wien, Markus Wolff, Tilman Polster, Hedwig Freitag, Ötzcam Sönmez, Klaus Reinhardt, Marion Traus, Zeecam Hoovey
PURPOSE: BECTS (benign childhood epilepsy with centrotemporal spikes) is associated with characteristic EEG findings. This study examines the influence of anti-convulsive treatment on the EEG. METHODS: In a randomized controlled trial including 43 children with BECTS, EEGs were performed prior to treatment with either Sulthiame or Levetiracetam as well as three times under treatment. Using the spike-wave-index, the degree of EEG pathology was quantified. The EEG before and after initiation of treatment was analyzed...
February 3, 2018: Seizure: the Journal of the British Epilepsy Association
C Prakash Gyawali, Peter J Kahrilas, Edoardo Savarino, Frank Zerbib, Francois Mion, André J P M Smout, Michael Vaezi, Daniel Sifrim, Mark R Fox, Marcelo F Vela, Radu Tutuian, Jan Tack, Albert J Bredenoord, John Pandolfino, Sabine Roman
Clinical history, questionnaire data and response to antisecretory therapy are insufficient to make a conclusive diagnosis of GERD in isolation, but are of value in determining need for further investigation. Conclusive evidence for reflux on oesophageal testing include advanced grade erosive oesophagitis (LA grades C and D), long-segment Barrett's mucosa or peptic strictures on endoscopy or distal oesophageal acid exposure time (AET) >6% on ambulatory pH or pH-impedance monitoring. A normal endoscopy does not exclude GERD, but provides supportive evidence refuting GERD in conjunction with distal AET <4% and <40 reflux episodes on pH-impedance monitoring off proton pump inhibitors...
February 3, 2018: Gut
Dongxing Zhao, Anne Christin Meyer-Gerspach, Eveline Deloose, Julie Iven, Nathalie Weltens, Inge Depoortere, Owen O'daly, Jan Tack, Lukas Van Oudenhove
The motilin agonist, erythromycin, induces gastric phase III of the migrating motor complex, which in turn generates hunger peaks. To identify the brain mechanisms underlying these orexigenic effects, 14 healthy women participated in a randomized, placebo-controlled crossover study. Functional magnetic resonance brain images were acquired for 50 minutes interprandially. Intravenous infusion of erythromycin (40 mg) or saline started 10 minutes after the start of scanning. Blood samples (for glucose and hormone levels) and hunger ratings were collected at fixed timepoints...
January 29, 2018: Scientific Reports
Douglas A Drossman, Jan Tack, Alexander C Ford, Eva Szigethy, Hans Törnblom, Lukas Van Oudenhove
BACKGROUND AND AIMS: Central neuromodulators (antidepressants, antipsychotics and other CNS targeted medications) are increasingly used for treatment of functional GI disorders (FGIDs), now recognized as disorders of gut-brain interaction. However, the available evidence and guidance for the use of central neuromodulators in these conditions is scanty and incomplete. In this Rome Foundation Working Team report, a multidisciplinary team summarized available research evidence and clinical experience to provide guidance and treatment recommendations...
December 21, 2017: Gastroenterology
Ans Pauwels, Charlotte Broers, Brecht Van Houtte, Nathalie Rommel, Tim Vanuytsel, Jan Tack
OBJECTIVES: Both rumination syndrome and supra-gastric belching (SGB) have limited treatment options. We demonstrated (open-label) that baclofen reduces pressure flow events in these patients. We aimed to study the effect of baclofen in a placebo-controlled, double-blind, cross-over study in patients with clinically suspected rumination and/or SGB. METHODS: Twenty tertiary-care patients (mean age 42 years (range 18-61), 13f) with clinically suspected rumination and/or SGB were randomized to receive baclofen (10 mg, t...
January 2018: American Journal of Gastroenterology
Lukas Buendgens, Eray Yagmur, Jan Bruensing, Ulf Herbers, Christer Baeck, Christian Trautwein, Alexander Koch, Frank Tacke
Growth differentiation factor-15 (GDF-15) is a member of the transforming growth factor- β superfamily related to inflammation and macrophage activation. Serum concentrations of GDF-15 can predict poor survival in chronic diseases, but its role in sepsis is obscure. Therefore, we investigated GDF-15 as a prognostic biomarker in critically ill patients. We measured GDF-15 levels in 219 critically ill patients (146 with sepsis, 73 without sepsis) upon admission to the intensive care unit (ICU), in comparison to 66 healthy controls...
2017: Disease Markers
Adil E Bharucha, Mira M Wouters, Jan Tack
Functional bowel disorders (i.e., constipation and diarrhea) are characterized by abdominal pain, bloating, distention, and/or bowel habit abnormalities in the absence of obvious anatomic or physiologic abnormalities on routine diagnostic tests. These symptoms are attributable to gastrointestinal sensorimotor dysfunctions resulting from peripheral and/or central mechanisms. Available drugs target the underlying bowel disturbance (i.e., constipation, diarrhea, or both), supplemented when necessary by management of pain...
December 2017: Current Opinion in Pharmacology
Paul Enck, Fernando Azpiroz, Guy Boeckxstaens, Sigrid Elsenbruch, Christine Feinle-Bisset, Gerald Holtmann, Jeffrey M Lackner, Jukka Ronkainen, Michael Schemann, Andreas Stengel, Jan Tack, Stephan Zipfel, Nicholas J Talley
Functional dyspepsia is one of the most prevalent functional gastrointestinal disorders. Functional dyspepsia comprises three subtypes with presumed different pathophysiology and aetiology: postprandial distress syndrome (PDS), epigastric pain syndrome (EPS) and a subtype with overlapping PDS and EPS features. Functional dyspepsia symptoms can be caused by disturbed gastric motility (for example, inadequate fundic accommodation or delayed gastric emptying), gastric sensation (for example, sensations associated with hypersensitivity to gas and bloating) or gastric and duodenal inflammation...
November 3, 2017: Nature Reviews. Disease Primers
Jan Tack, John E Pandolfino
The pathogenesis of gastroesophageal reflux disease (GERD) is complex and involves changes in reflux exposure, epithelial resistance, and visceral sensitivity. The gastric refluxate is a noxious material that injures the esophagus and elicits symptoms. Esophageal exposure to gastric refluxate is the primary determinant of disease severity. This exposure arises via compromise of the anti-reflux barrier and reduced ability of the esophagus to clear and buffer the refluxate, leading to reflux disease. However, complications and symptoms also occur in the context of normal reflux burden, when there is either poor epithelial resistance or increased visceral sensitivity...
January 2018: Gastroenterology
Paul Moayyedi, Fermín Mearin, Fernando Azpiroz, Viola Andresen, Giovanni Barbara, Maura Corsetti, Anton Emmanuel, A Pali S Hungin, Peter Layer, Vincenzo Stanghellini, Peter Whorwell, Frank Zerbib, Jan Tack
BACKGROUND: Effective management of irritable bowel syndrome (IBS), a common functional gastrointestinal disorder, can be challenging for physicians because of the lack of simple diagnostic tests and the wide variety of treatment approaches available. OBJECTIVE: The objective of this article is to outline a simple algorithm for day-to-day clinical practice to help physicians navigate key stages to reaching a positive IBS diagnosis and guidance on how to prioritise the use of specific management strategies...
October 2017: United European Gastroenterology Journal
Zoltan Czigany, Wenzel Schöning, Tom Florian Ulmer, Jan Bednarsch, Iakovos Amygdalos, Thorsten Cramer, Xavier Rogiers, Irinel Popescu, Florin Botea, Jiří Froněk, Daniela Kroy, Alexander Koch, Frank Tacke, Christian Trautwein, Rene H Tolba, Marc Hein, Ger H Koek, Cornelis H C Dejong, Ulf Peter Neumann, Georg Lurje
INTRODUCTION: Orthotopic liver transplantation (OLT) has emerged as the mainstay of treatment for end-stage liver disease. In an attempt to improve the availability of donor allografts and reduce waiting list mortality, graft acceptance criteria were extended increasingly over the decades. The use of extended criteria donor (ECD) allografts is associated with a higher incidence of primary graft non-function and/or delayed graft function. As such, several strategies have been developed aiming at reconditioning poor quality ECD liver allografts...
October 10, 2017: BMJ Open
Thomas Salaets, Andre Gie, Bieke Tack, Jan Deprest, Jaan Toelen
Bronchopulmonary dysplasia (BPD) remains a frequent and disabling consequence of preterm birth, despite the recent advances in neonatal intensive care. There is a need to further improve outcomes and many novel therapeutic or preventive strategies are therefore investigated in animal models. We discuss in this review the aspects of human BPD pathophysiology and phenotype, which ideally should be mimicked by an animal model for this disease. Prematurity remains the common denominator in the heterogeneous spectrum of human BPD, and preterm animal models thus have a clear translational advantage...
September 26, 2017: Current Pharmaceutical Design
Els Pazmany, Huynh Giao Ly, Leen Aerts, Michiko Kano, Sophie Bergeron, Johan Verhaeghe, Ronald Peeters, Jan Tack, Patrick Dupont, Paul Enzlin, Lukas Van Oudenhove
OBJECTIVE: In DSM-5, pain-related fear during anticipation of vaginal penetration is a diagnostic criterion of Genito-Pelvic Pain/Penetration Disorder (GPPPD). We aimed to investigate subjective and brain responses during anticipatory fear and subsequent induction of vestibular pain in women with GPPPD. METHODS: Women with GPPPD (n = 18) and age-matched healthy controls (HC) (n = 15) underwent fMRI scanning during vestibular pain induction at individually titrated pain threshold after a cued anticipation period...
2017: NeuroImage: Clinical
Fiona Taylor, Sophie Higgins, Robyn T Carson, Sonya Eremenco, Catherine Foley, Brian E Lacy, Henry P Parkman, David S Reasner, Alan L Shields, Jan Tack, Nicholas J Talley
OBJECTIVES: The Functional Dyspepsia Symptom Diary (FDSD) was developed to address the lack of symptom-focused, patient-reported outcome (PRO) measures designed for use in functional dyspepsia (FD) patients and meeting Food and Drug Administration recommendations for PRO instrument development. METHODS: Concept elicitation interviews were conducted with FD participants to identify symptoms important and relevant to FD patients. A preliminary version of the FDSD was constructed, then completed by FD participants on an electronic device in cognitive interviews to evaluate the readability, comprehensibility, relevance, and comprehensiveness of the FDSD, and to preliminarily evaluate its measurement properties...
January 2018: American Journal of Gastroenterology
Jan Tack, Florencia Carbone
PURPOSE OF REVIEW: This review summarizes recent progress in the epidemiology, pathophysiology and treatment of functional dyspepsia and gastroparesis. RECENT FINDINGS: The definition of functional dyspepsia and its subgroups has been revised in the recent Rome IV consensus. In gastroparesis, the symptom pattern and its similarities and differences from functional dyspepsia have been a focus of recent research. In functional dyspepsia, pathophysiological research continued to evaluate gastric sensorimotor dysfunctions, but low-grade inflammatory changes and loss of mucosal integrity in the duodenum is a new topic of intense research...
November 2017: Current Opinion in Gastroenterology
An-Sofie Desmet, Carla Cirillo, Jan Tack, Wim Vandenberghe, Pieter Vanden Berghe
Parkinson's disease (PD) is a neurodegenerative disease with motor and non-motor symptoms, including constipation. Therefore, several studies have investigated the gastrointestinal tract, and more specifically the enteric nervous system (ENS), in search of an early biomarker of PD. Besides α-synuclein aggregation, mitochondrial dysfunction and dysregulation of intracellular Ca(2+) concentration probably contribute to the pathogenesis of PD. Here we assessed neuronal and mitochondrial functioning in primary enteric neurons of PD patients and their healthy partners as controls...
August 21, 2017: ELife
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