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Worm M, Reese I, Ballmer-Weber B, Beyer K, Bischoff SC, Bohle B, Brockow K, Claßen M, Fischer PJ, Hamelmann E, Jappe U, Kleine-Tebbe J, Klimek L, Koletzko B, Lange L, Lau S, Lepp U, Mahler V, Nemat K, Raithel M, Saloga J, Schäfer C, Schnadt S, Schreiber J, Szépfalusi Z, Treudler R, Wagenmann M, Werfel T, Zuberbier T. Update of the S2k guideline on the management of IgE-mediated food allergies. Allergol Select 2021; 5:195-243. [PMID: 34263109 PMCID: PMC8276640 DOI: 10.5414/alx02257e] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 06/21/2021] [Indexed: 01/02/2023] Open
Abstract
Not available.
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Affiliation(s)
- Margitta Worm
- Allergology and Immunology, Department of Dermatology, Venereology, and Allergology, Charité – Universitätsmedizin Berlin, Germany
| | - Imke Reese
- Nutritional Counseling and Therapy, Focus on Allergology, Munich, Germany
| | - Barbara Ballmer-Weber
- University Hospital Zurich, Department of Dermatology, Zurich, Switzerland, and Cantonal Hospital St. Gallen, Department of Dermatology and Allergology, St. Gallen, Switzerland
| | - Kirsten Beyer
- Clinic of Pediatrics m. S. Pneumology, Immunology and Intensive Care Medicine, Charité – Universitätsmedizin Berlin, Germany
| | - Stephan C. Bischoff
- Institute of Nutritional Medicine and Prevention, University of Hohenheim, Stuttgart, Germany
| | - Barbara Bohle
- Institute of Pathophysiology and Allergy Research, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, Austria
| | - Knut Brockow
- Department of Dermatology and Allergology, Biederstein, Klinikum rechts der Isar, Technical University of Munich, Germany
| | - Martin Claßen
- Klinik für Kinder und Jugendmedizin/Päd. Intensivmedizin, Eltern-Kind-Zentrum Prof. Hess Klinikum Bremen-Mitte
| | - Peter J. Fischer
- Practice for Pediatric and Adolescent Medicine m. S. Allergology and Pediatric Pneumology, Schwäbisch Gmünd
| | - Eckard Hamelmann
- University Clinic for Pediatric and Adolescent Medicine, Evangelisches Klinikum Bethel gGmbH, Bielefeld
| | - Uta Jappe
- Research Group Clinical and Molecular Allergology, Research Center Borstel, Airway Research Center North (ARCN), member of the German Center for Lung Research (DZL), Borstel
- Interdisciplinary Allergy Outpatient Clinic, Medical Clinic III, University Hospital Schleswig-Holstein, Lübeck
| | | | | | - Berthold Koletzko
- Pediatric Clinic and Pediatric Polyclinic, Dr. von Haunersches Kinderspital, Department of Metabolic and Nutritional Medicine, Ludwig-Maximilians-University, Munich
| | - Lars Lange
- Pediatric and Adolescent Medicine, St.- Marien-Hospital, Bonn
| | - Susanne Lau
- Clinic of Pediatrics m. S. Pneumology, Immunology and Intensive Care Medicine, Charité – Universitätsmedizin Berlin, Germany
| | - Ute Lepp
- Practice for Pulmonary Medicine and Allergology, Buxtehude
| | | | - Katja Nemat
- Practice for Pediatric Pneumology/Allergology at the Children’s Center Dresden (Kid), Dresen
| | | | - Joachim Saloga
- Department of Dermatology, University Medical Center, Johannes Gutenberg-University Mainz
| | - Christiane Schäfer
- Nutritional Therapy, Focus on Allergology and Gastroenterology, Schwarzenbek, Germany
| | - Sabine Schnadt
- German Allergy and Asthma Association, Mönchengladbach, Germany
| | - Jens Schreiber
- Pneumology, University Hospital of Otto von Guericke University, Magdeburg, Germany
| | - Zsolt Szépfalusi
- University Hospital for Pediatrics and Adolescent Medicine, Medical University of Vienna, Austria
| | - Regina Treudler
- Clinic of Dermatology, Venereology and Allergology, University Medical Center Leipzig, Germany
| | | | - Thomas Werfel
- Clinic of Dermatology, Allergology and Venerology, Hannover Medical School, Germany, and
| | - Torsten Zuberbier
- Department of Dermatology, Venerology and Allergology, Charité – Universitätsmedizin Berlin
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Mansueto P, D’Alcamo A, Seidita A, Carroccio A. Food allergy in irritable bowel syndrome: The case of non-celiac wheat sensitivity. World J Gastroenterol 2015; 21:7089-109. [PMID: 26109796 PMCID: PMC4476871 DOI: 10.3748/wjg.v21.i23.7089] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 04/04/2015] [Accepted: 05/07/2015] [Indexed: 02/06/2023] Open
Abstract
Irritable bowel syndrome (IBS) is one of the most common gastrointestinal disorders, having a prevalence of 12%-30% in the general population. Most patients with IBS attribute their symptoms to adverse food reactions. We review the role of diet in the pathogenesis of IBS and the importance of dietary factors in the management of these patients. The MEDLINE electronic database (1966 to Jan 2015) was searched using the following keywords: "food", "diet", "food allergy", "food hypersensitivity", "food intolerance", "IBS", "epidemiology", "pathogenesis", "pathophysiology", "diagnosis", "treatment". We found 153 eligible papers; 80 were excluded because: not written in English, exclusive biochemical and experimental research, case reports, reviews, and research otherwise not relevant to our specific interest. We selected 73 papers: 43 original papers, 26 reviews and 4 letters to the editor. These papers focused on IBS pathogenesis, the association between IBS and atopy, and between IBS and food allergy, the relationship between IBS and non-celiac wheat sensitivity, the role of diet in IBS. Pending further scientific evidence, a cautious approach is advisable but the concept of food allergy should be included as a possible cause of IBS, and a dietary approach may have a place in the routine clinical management of IBS.
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Abstract
Ultrasonography (US) is a safe and available real-time, high-resolution imaging method, which during the last decades has been increasingly integrated as a clinical tool in gastroenterology. New US applications have emerged with enforced data software and new technical solutions, including strain evaluation, three-dimensional imaging and use of ultrasound contrast agents. Specific gastroenterologic applications have been developed by combining US with other diagnostic or therapeutic methods, such as endoscopy, manometry, puncture needles, diathermy and stents. US provides detailed structural information about visceral organs without hazard to the patients and can play an important clinical role by reducing the need for invasive procedures. This paper presents different aspects of US in gastroenterology, with a special emphasis on the contribution from Nordic scientists in developing clinical applications.
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Affiliation(s)
- Svein Ødegaard
- Department of Medicine, National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital and Department of Clinical Medicine, University of Bergen , Bergen , Norway
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Aabakken L. Scandinavian Journal of Gastroenterology - the editors-in-chief. Scand J Gastroenterol 2015; 50:630-5. [PMID: 25803744 DOI: 10.3109/00365521.2015.1028995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The SJG has enjoyed a sequence of active and dynamic editors-in-chief following the initial period with Professor Myren in charge. This paper gives a short overview of the subsequent editors including their clinical and scientific merits.
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Affiliation(s)
- Lars Aabakken
- Department of Med Gastroenterology, Rikshospitalet University Hospital , Oslo , Norway
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The value of mucosal allergen challenge for the diagnosis of food allergy. Curr Opin Allergy Clin Immunol 2014; 13:268-72. [PMID: 23571410 DOI: 10.1097/aci.0b013e32836093f6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW The incidence of food allergy is increasing. Correct diagnosis is dependent on food challenges, which are not always performed, but more often based on history, skin prick test and specific IgE, leading to possible misdiagnoses. Mucosal provocation tests have been proposed as possible new diagnostic tools during recent decades. RECENT FINDINGS The databases EMBASE, PUBMED and Cochraine Review were used. Seven full text articles fulfilled criteria for mucosal challenge and food allergy, only one from the last 12 months. Conjunctival, nasal, buccal, gastric and coecal/rectal mucosa have been challenged. All authors find mucosal changes after challenge, but the lack of validation against double-blind placebo-controlled challenges makes evaluation difficult, with the exception of the conjunctival provocation test. SUMMARY As most mucosal surfaces are easily available, and small amounts of allergen are needed for an obvious reaction, this tool for diagnosing food allergy is promising. Further studies are however needed.
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Lied GA. Indication of immune activation in patients with perceived food hypersensitivity. Dig Dis Sci 2014; 59:259-66. [PMID: 24185686 DOI: 10.1007/s10620-013-2926-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Accepted: 10/16/2013] [Indexed: 12/15/2022]
Abstract
Majority of the patients with perceived food hypersensitivity have irritable bowel syndrome (IBS), and a significant proportion of IBS patients also attribute their gastrointestinal complaints to food items. Different factors such as disturbed intestinal fermentation, enteric dysmotility, post-infectious changes and altered microbial flora in the colon as well as psychological disturbances likely play a role in the pathophysiology and symptoms generation in patients with food hypersensitivity. In addition, a number of studies in these patient groups indicate that local, systemic and mucosal immune systems are activated. The question now is no longer intestinal immune activation, but how the immune system is activated in these patients. In the following review, the potential pathogenetic role of the immune system and evidence of immune activation are reported in patients with perceived food hypersensitivity.
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Affiliation(s)
- Gülen Arslan Lied
- Department of Clinical Medicine, University of Bergen, Bergen, Norway,
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Ødegaard S, Nesje LB, Lærum OD, Kimmey MB. High-frequency ultrasonographic imaging of the gastrointestinal wall. Expert Rev Med Devices 2012; 9:263-273. [DOI: 10.1586/erd.12.6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
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Lied GA, Lillestøl K, Lind R, Valeur J, Morken MH, Vaali K, Gregersen K, Florvaag E, Tangen T, Berstad A. Perceived food hypersensitivity: a review of 10 years of interdisciplinary research at a reference center. Scand J Gastroenterol 2011; 46:1169-78. [PMID: 21679125 DOI: 10.3109/00365521.2011.591428] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Perceived food hypersensitivity is a prevalent, but poorly understood condition. In this review article, we summarize narratively recent literature including results of our 10 years' interdisciplinary research program dealing with such patients. The patients (more than 400) included in our studies were all adults referred to a university hospital because of gastrointestinal complaints self-attributed to food hypersensitivity. Despite extensive examinations, food allergy was seldom diagnosed. The majority of the patients fulfilled the diagnostic criteria for irritable bowel syndrome. In addition, most suffered from several extra-intestinal health complaints and had considerably impaired quality of life. However, psychological factors could explain only approximately 10% of the variance in the patients' symptom severity and 90% of the variance thus remained unexplained. Intolerance to low-digestible carbohydrates was a common problem and abdominal symptoms were replicated by carbohydrate ingestion. A considerable number of patients showed evidence of immune activation by analyses of B-cell activating factor, dendritic cells and "IgE-armed" mast cells. Multiple factors such as immune activation, disturbed intestinal fermentation, enteric dysmotility, post-infectious changes and "local" allergy in the gut as well as psychological disturbances may play a role in the pathophysiology of perceived food hypersensitivity. Hence, our results support the view that management of these patients should be interdisciplinary.
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Gregersen K, Lind RA, Valeur J, Bjørkkjær T, Berstad A, Lied GA. Duodenal administered seal oil for patients with subjective food hypersensitivity: an explorative open pilot study. Int J Gen Med 2010; 3:383-92. [PMID: 21189836 PMCID: PMC3008292 DOI: 10.2147/ijgm.s13013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2010] [Indexed: 11/23/2022] Open
Abstract
Short-term duodenal administration of n-3 polyunsaturated fatty acid (PUFA)-rich seal oil may improve gastrointestinal complaints in patients with subjective food hypersensitivity, as well as joint pain in patients with inflammatory bowel disease (IBD). The aim of the present explorative pilot study was to investigate whether 10-day open treatment with seal oil, 10 mL self-administrated via a nasoduodenal tube 3 times daily, could also benefit nongastrointestinal complaints and quality of life (QoL) in patients with subjective food hypersensitivity. Twenty-six patients with subjective food hypersensitivity, of whom 25 had irritable bowel syndrome (IBS), were included in the present study. Before and after treatment and 1 month posttreatment, patients filled in the Ulcer Esophagitis Subjective Symptoms Scale (UESS) and the Gastrointestinal Symptom Rating Scale (GSRS) for gastrointestinal symptoms and subjective health complaints (SHC) inventory for nongastrointestinal symptoms in addition to short form of the Nepean dyspepsia index (SF-NDI) for evaluation of QoL. Compared with baseline, gastrointestinal, as well as nongastrointestinal, complaints and QoL improved significantly, both at end of treatment and 1 month posttreatment. The consistent improvements following seal oil administration warrant further placebo-controlled trials for confirmation of effect.
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Affiliation(s)
- Kine Gregersen
- Institute of Medicine, University of Bergen, Bergen, Norway
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Huang Z, Fan YH, Lv B, Huang B. Diagnostic value of ultrasonography for detection of intestinal diseases. Shijie Huaren Xiaohua Zazhi 2010; 18:2401-2404. [DOI: 10.11569/wcjd.v18.i23.2401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
When ultrasonography was initially introduced into clinical practice, its use for detection of intestinal diseases was greatly restricted due to the problem that ultrasound imaging is greatly affected by gas. However, with the development of ultrasound technology, ultrasonography has been applied widely to the detection of intestinal diseases in recent years. In this article, we will review the application value of different ultrasound methods in the diagnosis of intestinal eminence diseases, mesenteric ischemic diseases, intestinal acute abdomen, and intestinal motility disorders. Furthermore, we will discuss the disadvantages of ultrasonography in diagnosis of intestinal diseases to provide a reference for clinicians.
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Valeur J, Lappalainen J, Rita H, Lin AH, Kovanen PT, Berstad A, Eklund KK, Vaali K. Food allergy alters jejunal circular muscle contractility and induces local inflammatory cytokine expression in a mouse model. BMC Gastroenterol 2009; 9:33. [PMID: 19450258 PMCID: PMC2689247 DOI: 10.1186/1471-230x-9-33] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2008] [Accepted: 05/18/2009] [Indexed: 02/01/2023] Open
Abstract
Background We hypothesized that food allergy causes a state of non-specific jejunal dysmotility. This was tested in a mouse model. Methods Balb/c mice were epicutaneously sensitized with ovalbumin and challenged with 10 intragastric ovalbumin administrations every second day. Smooth muscle contractility of isolated circular jejunal sections was studied in organ bath with increasing concentrations of carbamylcholine chloride (carbachol). Smooth muscle layer thickness and mast cell protease-1 (MMCP-1) positive cell density were assayed histologically. Serum MMCP-1 and immunoglobulins were quantified by ELISA, and mRNA expressions of IFN-γ, IL-4, IL-6 and TGFβ-1 from jejunal and ileal tissue segments were analyzed with quantitative real-time PCR. Results Ovalbumin-specific serum IgE correlated with jejunal MMCP-1+ cell density. In the allergic mice, higher concentrations of carbachol were required to reach submaximal muscular stimulation, particularly in preparations derived from mice with diarrhoea. Decreased sensitivity to carbachol was associated with increased expression of IL-4 and IL-6 mRNA in jejunum. Smooth muscle layer thickness, as well as mRNA of IFN-γ and TGF-β1 remained unchanged. Conclusion In this mouse model of food allergy, we demonstrated a decreased response to a muscarinic agonist, and increased levels of proinflammatory IL-6 and Th2-related IL-4, but not Th1-related IFN-γ mRNAs in jejunum. IgE levels in serum correlated with the number of jejunal MMCP-1+ cells, and predicted diarrhoea. Overall, these changes may reflect a protective mechanism of the gut in food allergy.
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Affiliation(s)
- Jørgen Valeur
- Institute of Medicine, University of Bergen, Bergen, Norway.
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Nylund K, Ødegaard S, Hausken T, Folvik G, Lied GA, Viola I, Hauser H, Gilja OH. Sonography of the small intestine. World J Gastroenterol 2009; 15:1319-30. [PMID: 19294761 PMCID: PMC2658828 DOI: 10.3748/wjg.15.1319] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
In the last two decades, there has been substantial development in the diagnostic possibilities for examining the small intestine. Compared with computerized tomography, magnetic resonance imaging, capsule endoscopy and double-balloon endoscopy, ultrasonography has the advantage of being cheap, portable, flexible and user- and patient-friendly, while at the same time providing the clinician with image data of high temporal and spatial resolution. The method has limitations with penetration in obesity and with intestinal air impairing image quality. The flexibility ultrasonography offers the examiner also implies that a systematic approach during scanning is needed. This paper reviews the basic scanning techniques and new modalities such as contrast-enhanced ultrasound, elastography, strain rate imaging, hydrosonography, allergosonography, endoscopic sonography and nutritional imaging, and the literature on disease-specific findings in the small intestine. Some of these methods have shown clinical benefit, while others are under research and development to establish their role in the diagnostic repertoire. However, along with improved overall image quality of new ultrasound scanners, these methods have enabled more anatomical and physiological changes in the small intestine to be observed. Accordingly, ultrasound of the small intestine is an attractive clinical tool to study patients with a range of diseases.
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Pratt CA, Demain JG, Rathkopf MM. Food allergy and eosinophilic gastrointestinal disorders: guiding our diagnosis and treatment. Curr Probl Pediatr Adolesc Health Care 2008; 38:170-88. [PMID: 18522855 DOI: 10.1016/j.cppeds.2008.03.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- C Allan Pratt
- Pediatric Gastroenterology of Alaska, Anchorage, Alaska, USA
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Gilja OH, Hatlebakk JG, Odegaard S, Berstad A, Viola I, Giertsen C, Hausken T, Gregersen H. Advanced imaging and visualization in gastrointestinal disorders. World J Gastroenterol 2007; 13:1408-21. [PMID: 17457973 PMCID: PMC4146926 DOI: 10.3748/wjg.v13.i9.1408] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Advanced medical imaging and visualization has a strong impact on research and clinical decision making in gastroenterology. The aim of this paper is to show how imaging and visualization can disclose structural and functional abnormalities of the gastrointestinal (GI) tract. Imaging methods such as ultrasonography, magnetic resonance imaging (MRI), endoscopy, endosonography, and elastography will be outlined and visualization with Virtual Reality and haptic methods. Ultrasonography is a versatile method that can be used to evaluate antral contractility, gastric emptying, transpyloric flow, gastric configuration, intragastric distribution of meals, gastric accommodation and strain measurement of the gastric wall. Advanced methods for endoscopic ultrasound, three-dimensional (3D) ultrasound, and tissue Doppler (Strain Rate Imaging) provide detailed information of the GI tract. Food hypersensitivity reactions including gastrointestinal reactions due to food allergy can be visualized by ultrasonography and MRI. Development of multi-parametric and multi-modal imaging may increase diagnostic benefits and facilitate fusion of diagnostic and therapeutic imaging in the future.
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Affiliation(s)
- Odd Helge Gilja
- National Centre for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen N-5021, Norway.
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Odegaard S, Nesje LB, Hoff DAL, Gilja OH, Gregersen H. Morphology and motor function of the gastrointestinal tract examined with endosonography. World J Gastroenterol 2006; 12:2858-63. [PMID: 16718809 PMCID: PMC4087801 DOI: 10.3748/wjg.v12.i18.2858] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Endosonography is a useful tool for studying the morphology and motor function of the gastrointestinal tract. Intraluminal ultrasonography is the common denomination of ultrasound examinations using intracorporal transducers which are inserted into the GI tract. Thus, the visceral wall and adjacent structures can be imaged in detail. This review describes the usefulness of endosonography in gastroenterology, in particular with respect to studies of the biomechanical and motor function of the gastrointestinal tract. New techniques such as 3-D EUS, elastography and strain rate imaging are discussed.
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Affiliation(s)
- Svein Odegaard
- National Centre for Ultrasound in Gastroenterology, Department of Medicine, Haukeland University Hospital, Bergen, Norway.
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Berstad A, Arslan G, Lind R, Florvaag E. Food hypersensitivity-immunologic (peripheral) or cognitive (central) sensitisation? Psychoneuroendocrinology 2005; 30:983-9. [PMID: 15979811 DOI: 10.1016/j.psyneuen.2005.04.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2004] [Revised: 03/30/2005] [Accepted: 04/01/2005] [Indexed: 01/01/2023]
Abstract
Patients with food hypersensitivity suffer poor quality of life and several unexplained health complaints, both abdominal and extra-abdominal. Part of the suffering is due to healthcare providers' neglect and poor insight, allowing a strong position for alternative medicine. Distinguishing food allergy from functional and organic disorders can be extremely difficult. We have found examination of faecal calprotectin and gut permeability to be useful for excluding organic disease, whilst conventional provocation tests for positive diagnosis of food hypersensitivity are cumbersome. Our new ultrasound provocation test has been promising, but we acknowledge that much work remains to be done before its sensitivity and specificity can be finally established. The majority of patients with self-reported food hypersensitivity have a non-allergic hypersensitivity disorder. We suggest that cognitive-emotional sensitisation at the brain level, and not peripheral (immunological) sensitisation, is a major pathogenetic mechanism by which the patients' various abdominal and extra-abdominal health complaints are generated. Extensive activation of cognitive networks might be triggered by peripheral sensory mechanisms, often misinterpreted as 'food allergy'. Clearly, the approach to patients with food hypersensitivity should be interdisciplinary.
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Affiliation(s)
- Arnold Berstad
- Division of Gastroenterology, Institute of Medicine, Haukeland University Hospital, 5021 Bergen, Norway.
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Bennetau-Pelissero C, Sauvant P, Peltre G, Auriol P, Rocca A, Rancé F. Phyto-œstrogènes du soja : problèmes posés chez le nourrisson allergique au lait de vache et consommant des formules à base de soja. CAHIERS DE NUTRITION ET DE DIETETIQUE 2004. [DOI: 10.1016/s0007-9960(04)94339-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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