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Guadagnoli L, Hoffert Y, Den Hond S, Dreesen E, van Ryckeghem D, Van Damme S, Zaman J, Van Oudenhove L. Do we perceive sensations inside and outside of our body differently? Perceptual, emotional, and behavioral differences between visceral and somatic sensation, discomfort, and pain. Neurogastroenterol Motil 2024; 36:e14787. [PMID: 38523349 DOI: 10.1111/nmo.14787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 03/01/2024] [Accepted: 03/11/2024] [Indexed: 03/26/2024]
Abstract
BACKGROUND Experimental research evaluating differences between the visceral and somatic stimulation is limited to pain and typically uses different induction methods for visceral and somatic stimulation (e.g., rectal balloon distention vs. tactile hand stimulation). Our study aimed to compare differences in response time, intensity, unpleasantness, and threat between identical electrical visceral and somatic stimulations at both painful and non-painful perceptual thresholds. METHODS Electrical stimulation was applied to the wrist and distal esophagus in 20 healthy participants. A double pseudorandom staircase determined perceptual thresholds of Sensation, Discomfort, and Pain for the somatic and visceral stimulations, separately. Stimulus reaction time (ms, via button press), and intensity, unpleasantness, and threat ratings were recorded after each stimulus. General linear mixed models compared differences in the four outcomes by stimulation type, threshold, and the stimulation type-by-threshold interaction. Sigmoidal maximum effect models evaluated differences in outcomes across all delivered stimulation intensities. KEY RESULTS Overall, visceral stimulations were perceived as more intense, threatening, and unpleasant compared to somatic stimulations, but participants responded faster to somatic stimulations. There was no significant interaction effect, but planned contrasts demonstrated differences at individual thresholds. Across all delivered intensities, higher intensity stimulations were needed to reach the half-maximum effect of self-reported intensity, unpleasantness, and threat ratings in the visceral domain. CONCLUSIONS AND INFERENCES Differences exist between modalities for both non-painful and painful sensations. These findings may have implications for translating paradigms and behavioral treatments from the somatic domain to the visceral domain, though future research in larger clinical samples is needed.
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Affiliation(s)
- Livia Guadagnoli
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Leuven, Belgium
| | - Yannick Hoffert
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Sofie Den Hond
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Leuven, Belgium
| | - Erwin Dreesen
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
| | - Dimitri van Ryckeghem
- Department of Clinical Psychological Science, Maastricht University, Maastricht, Netherlands
- Department of Experimental-Clinical and Health Psychology, Ghent University, Ghent, Belgium
- Department of Behavioural and Cognitive Sciences, University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Stefaan Van Damme
- Department of Experimental-Clinical and Health Psychology, Ghent University, Ghent, Belgium
| | - Jonas Zaman
- Centre for the Psychology of Learning and Experimental Psychopathology, KU Leuven, Leuven, Belgium
- School of Social Sciences, University of Hasselt, Hasselt, Belgium
- Department of Neurology, Center for Translational Neuro- and Behavioral Sciences, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Lukas Van Oudenhove
- Laboratory for Brain-Gut Axis Studies (LaBGAS), Translational Research Center for Gastrointestinal Disorders (TARGID), Department of Chronic Diseases and Metabolism (CHROMETA), KU Leuven, Leuven, Belgium
- Leuven Brain Institute, KU Leuven, Leuven, Belgium
- Cognitive and Affective Neuroscience Lab, Department of Psychological and Brain Sciences, Dartmouth College, Hanover, New Hampshire, USA
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Park JY, Oh S, Han YM, Lee J, Kim JS, Jung HC, Hong KS. There might be a distinctive clinical phenotype of constipation with non-cardiac chest pain which responds to combination laxatives: A retrospective, longitudinal symptom analysis. Medicine (Baltimore) 2019; 98:e15884. [PMID: 31261496 PMCID: PMC6617427 DOI: 10.1097/md.0000000000015884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Proton pump inhibitor (PPI)-refractory non-cardiac chest pain (NCCP) is often resolved when constipation was relieved. This study aimed to investigate the clinical features of patients with both NCCP and constipated functional bowel disorders (FBD).Among 692 consecutive patients diagnosed with functional constipation or irritable bowel syndrome with constipation and underwent anorectal manometry (ARM) in our hospital, PPI-refractory NCCP was present in 37. The clinical course of various torso symptoms including NCCP and ARM findings were retrospectively evaluated.The mean age was lower in the NCCP than in the non-NCCP group (57.4 vs 61.3 years, respectively, P = .042). Back pain (16.2% vs 2.0%, P < .001) and sharp abdominal pain (13.5% vs 0.9%, P < .001) were more common in the NCCP group. Increased resting pressure (16.2% vs 6.9%, P = .036) and squeezing pressure (62.2% vs 50.7%, P = .049) of the anal sphincter, increased urgency volume (40.5% vs 23.2%, P = .004), and maximal volume (25.7% vs 15.0%, P = .032) for rectal sensation were more frequently observed in the NCCP group. After taking laxatives for 1 to 3 months, 81.1% of patients with NCCP reported improvement.Subjects with NCCP showed decreased rectal sensation more frequently at anorectal manometry. Majority of patients with NCCP reported improvement of symptom upon relief of constipation. Constipation might be a therapeutic target in patients with NCCP related to constipated functional bowel disorders.
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Affiliation(s)
- Jae Yong Park
- Department of Internal Medicine, Chung-Ang University Hospital
| | - Sooyeon Oh
- Chaum Life Center, CHA Medical University
| | - Yoo Min Han
- Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center
| | - Jooyoung Lee
- Department of Internal Medicine, Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center
| | - Joo Sung Kim
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul
| | - Hyun Chae Jung
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul
| | - Kyoung Sup Hong
- Department of Gastroenterology, Mediplex Sejong Hospital, Incheon, South Korea
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Gregersen H, Lo KM. What Is the Future of Impedance Planimetry in Gastroenterology? J Neurogastroenterol Motil 2018; 24:166-181. [PMID: 29605974 PMCID: PMC5885717 DOI: 10.5056/jnm18013] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 02/09/2018] [Indexed: 12/13/2022] Open
Abstract
The gastrointestinal (GI) tract is efficient in transporting ingested material to the site of delivery in healthy subjects. A fine balance exists between peristaltic forces, the mixing and delivery of the contents, and sensory signaling. This fine balance is easily disturbed by diseases. It is mandatory to understand the pathophysiology to enhance our understanding of GI disorders. The inaccessibility and complex nervous innervation, geometry and mechanical function of the GI tract make mechanosensory evaluation difficult. Impedance planimetry is a distension technology that assesses luminal geometry, mechanical properties including muscle dynamics, and processing of nociceptive signals from the GI tract. Since standardized models do not exist for GI muscle function in vivo, models, concepts, and terminology must be borrowed from other medical fields such as cardiac mechanophysiology. The review highlights the impedance planimetric technology, muscle dynamics assessment, and 3 applied technologies of impedance planimetry. These technologies are the multimodal probes that assesses sensory function, the functional luminal imaging probe that dynamically measures the geometry of the lumen it distends, and Fecobionics that is a simulated feces providing high-resolution measurements during defecation. The advanced muscle analysis and 3 applied technologies can enhance the quality of future interdisciplinary research for gaining more knowledge about mechanical function, sensory-motor disorders, and symptoms. This is a step in the direction of individualized treatment for GI disorders based on diagnostic subtyping. There seems to be no better alternatives to impedance planimetry, but only the functional luminal imaging probe is currently commercially available. Wider use depends on commercialization of the multimodal probe and Fecobionics.
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Affiliation(s)
- Hans Gregersen
- GIOME, Department of Surgery, The Chinese University of Hong Kong, Shatin, Hong Kong.,California Medical Innovations Institute, San Diego, California, USA
| | - Kar Man Lo
- GIOME Doublecove, Wu Kai Sha, New Territories, Hong Kong
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Abstract
The Rome IV diagnostic criteria delineates 5 functional esophageal disorders which include functional chest pain, functional heartburn, reflux hypersensitivity, globus, and functional dysphagia. These are a heterogenous group of disorders which, despite having characteristic symptom profiles attributable to esophageal pathology, fail to demonstrate any structural, motility or inflammatory abnormalities on standard clinical testing. These disorders are associated with a marked reduction in patient quality of life, not least considerable healthcare resources. Furthermore, the pathophysiology of these disorders is incompletely understood. In this narrative review we provide the reader with an introductory primer to the structure and function of esophageal perception, including nociception that forms the basis of the putative mechanisms that may give rise to symptoms in functional esophageal disorders. We also discuss the provocative techniques and outcome measures by which esophageal hypersensitivity can be established.
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Brock C, McCallum RW, Gyawali CP, Farmer AD, Frøkjaer JB, McMahon BP, Drewes AM. Neurophysiology and new techniques to assess esophageal sensory function: an update. Ann N Y Acad Sci 2016; 1380:78-90. [DOI: 10.1111/nyas.13175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 06/10/2016] [Accepted: 06/15/2016] [Indexed: 12/19/2022]
Affiliation(s)
- Christina Brock
- Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital and Clinical Institute; Aalborg University; Aalborg Denmark
| | - Richard W. McCallum
- Department of Internal Medicine; Texas Tech University Health Sciences Center; El Paso Texas
| | - C. Prakash Gyawali
- Division of Gastroenterology; Washington University School of Medicine; St. Louis Missouri
| | - Adam D. Farmer
- Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital and Clinical Institute; Aalborg University; Aalborg Denmark
- Centre for Digestive Diseases, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine and Dentistry; Queen Mary University of London; London United Kingdom
- Department of Gastroenterology; University Hospitals of North Midlands; Stoke on Trent United Kingdom
| | - Jens Brøndum Frøkjaer
- Mech-Sense, Department of Radiology, Aalborg University Hospital and Clinical Institute; Aalborg University; Aalborg Denmark
| | - Barry P. McMahon
- Department of Medical Physics and Clinical Engineering; Tallaght Hospital and Trinity College; Dublin Ireland
| | - Asbjørn Mohr Drewes
- Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital and Clinical Institute; Aalborg University; Aalborg Denmark
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Brock C, Gregersen H, Gyawali CP, Lottrup C, Furnari M, Savarino E, Novais L, Frøkjaer JB, Bor S, Drewes AM. The sensory system of the esophagus--what do we know? Ann N Y Acad Sci 2016; 1380:91-103. [DOI: 10.1111/nyas.13205] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 07/19/2016] [Accepted: 07/19/2016] [Indexed: 12/13/2022]
Affiliation(s)
- Christina Brock
- Mech-Sense, Department of Gastroenterology & Hepatology, Aalborg University Hospital and Clinical Institute; Aalborg University; Aalborg Denmark
| | - Hans Gregersen
- GIOME and the Key Laboratory for Biorheological Science and Technology of Ministry of Education, College of Bioengineering; Chongqing University; Chongqing China
| | - C. Prakash Gyawali
- Division of Gastroenterology; Washington University School of Medicine; St. Louis Missouri
| | - Christian Lottrup
- Mech-Sense, Department of Gastroenterology & Hepatology, Aalborg University Hospital and Clinical Institute; Aalborg University; Aalborg Denmark
- Department of Medicine; North Jutland Regional Hospital; Hjørring Denmark
| | - Manuele Furnari
- Division of Gastroenterology, Department of Internal Medicine; University of Genoa; Genoa Italy
| | - Edoardo Savarino
- Division of Gastroenterology, Department of Surgery, Oncology and Gastroenterology; University of Padua; Padua Italy
| | - Luis Novais
- Neurogastroenterology and Gastrointestinal Motility Laboratory, Nova Medical School; Universidade Nova de Lisboa; Lisbon Portugal
| | - Jens Brøndum Frøkjaer
- Mech-Sense, Department of Radiology, Aalborg University Hospital and Clinical Institute; Aalborg University; Aalborg Denmark
| | - Serhat Bor
- Department of Gastroenterology; Ege University School of Medicine; Bornova Izmir Turkey
| | - Asbjørn Mohr Drewes
- Mech-Sense, Department of Gastroenterology & Hepatology, Aalborg University Hospital and Clinical Institute; Aalborg University; Aalborg Denmark
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Farmer AD, Brock C, Frøkjaer JB, Gregersen H, Khan S, Lelic D, Lottrup C, Drewes AM. Understanding the sensory irregularities of esophageal disease. Expert Rev Gastroenterol Hepatol 2016; 10:907-14. [PMID: 26890720 DOI: 10.1586/17474124.2016.1155984] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Symptoms relating to esophageal sensory abnormalities can be encountered in the clinical environment. Such sensory abnormalities may be present in demonstrable disease, such as erosive esophagitis, and in the ostensibly normal esophagus, such as non-erosive reflux disease or functional chest pain. In this review, the authors discuss esophageal sensation and the esophageal pain system. In addition, the authors provide a primer concerning the techniques that are available for investigating the autonomic nervous system, neuroimaging and neurophysiology of esophageal sensory function. Such technological advances, whilst not readily available in the clinic may facilitate the stratification and individualization of therapy in disorders of esophageal sensation in the future.
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Affiliation(s)
- Adam D Farmer
- a Mech-Sense , University Hospital Aalborg , Aalborg , Denmark.,b Centre for Digestive Diseases, Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine & Dentistry, Queen Mary University of London , London , UK.,c Department of Gastroenterology , University Hospitals of North Midlands , Stoke on Trent , UK
| | - Christina Brock
- a Mech-Sense , University Hospital Aalborg , Aalborg , Denmark
| | - Jens Brøndum Frøkjaer
- a Mech-Sense , University Hospital Aalborg , Aalborg , Denmark.,d Department of Radiology , Aalborg University Hospital , Aalborg , Denmark
| | - Hans Gregersen
- e GIOME, Key Laboratory for Biorheological Science and Technology , College of Bioengineering, Chongqing University , Chongqing , China
| | - Sheeba Khan
- c Department of Gastroenterology , University Hospitals of North Midlands , Stoke on Trent , UK
| | - Dina Lelic
- a Mech-Sense , University Hospital Aalborg , Aalborg , Denmark
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Farmer AD, Franchina M, Gregersen H, Penagini R, Shaker A, Soffer E. Provocative testing of the esophagus and its future. Ann N Y Acad Sci 2016; 1380:33-47. [DOI: 10.1111/nyas.13109] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Revised: 04/21/2016] [Accepted: 04/25/2016] [Indexed: 12/25/2022]
Affiliation(s)
- Adam D. Farmer
- Centre for Digestive Diseases, Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine & Dentistry; Queen Mary University of London; London United Kingdom
- Department of Gastroenterology; University Hospitals of North Midlands; Stoke on Trent Staffordshire United Kingdom
| | - Marianna Franchina
- Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, Università degli Studi of Milan and Gastroenterology and Endoscopy Unit; Fondazione IRCCS Cà Granda - Ospedale Maggiore Policlinico; Milan Italy
| | - Hans Gregersen
- GIOME, College of Bioengineering; Chongqing University; Chongqing China
- Department of Surgery; Prince of Wales Hospital; Shatin Hong Kong SAR
| | - Roberto Penagini
- Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, Università degli Studi of Milan and Gastroenterology and Endoscopy Unit; Fondazione IRCCS Cà Granda - Ospedale Maggiore Policlinico; Milan Italy
| | - Anisa Shaker
- Department of Medicine; University of Southern California; Los Angeles California
| | - Edy Soffer
- Department of Medicine; University of Southern California; Los Angeles California
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Do patients with functional chest pain have neuroplastic reorganization of the pain matrix? A diffusion tensor imaging study. Scand J Pain 2014; 5:85-90. [DOI: 10.1016/j.sjpain.2013.11.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2013] [Accepted: 11/25/2013] [Indexed: 02/08/2023]
Abstract
Abstract
Background and aims
In functional chest pain (FCP) of presumed esophageal origin central nervous system hyperexcitability is generally believed to play an important role in pain pathogenesis. However, this theory has recently been challenged. Using magnetic resonance diffusion tensor imaging, the aim was to characterize any microstructural reorganization of the pain neuromatrix in FCP patients.
Methods
13 FCP patients and 20 matched healthy controls were studied in a 3T MR scanner. Inclusion criteria were relevant chest pain, normal coronary angiogram and normal upper gastrointestinal evaluation. Apparent diffusion coefficient (ADC) (i.e. mean diffusivity of water) and fractional anisotropy (FA) (i.e. directionality of water diffusion as a measure of fiber organization) values were assessed in the secondary sensory cortex, cingulate cortex, insula, prefrontal cortex, and amygdala.
Results
Overall, including all regions, no difference in ADC and FA values was found between the patients and controls (P = 0.79 and P = 0.23, respectively). Post-hoc tests revealed no difference in ADC and FA values of the individual regions. However, a trend of patients having increased ADC in the mid insula grey matter and increased FA in the mid insula white matter was observed (both P = 0.065).
Conclusions
This explorative study suggests that microstructural reorganization of the central pain neuromatrix may not be present in well-characterized FCP patients.
Implications
This finding, together with recent neurophysiologal evidence, challenges the theory of visceral hypersensitivity due to changes in the central nervous system in FCP patients.
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