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Somatosensory assessments in patients with inflammatory bowel disease: a cross-sectional study examining pain processing pathways and the role of multiple patient factors. Eur J Gastroenterol Hepatol 2022; 34:503-511. [PMID: 35170531 DOI: 10.1097/meg.0000000000002354] [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: 12/10/2022]
Abstract
BACKGROUND Pain affects the majority of patients with inflammatory bowel disease (IBD), where pain experiences may be influenced by multiple patient factors and changes within central pain processing pathways, termed central sensitization. The current study aimed to investigate pain processing pathways in patients with IBD through somatosensory testing and associations with multiple patient factors. METHODS A cross-sectional study of adults with IBD. Assessments included: somatosensory tests [i.e. pressure pain thresholds (PPT), temporal summation (TS), conditioned pain modulation (CPM)], and patient factors (i.e. demographics, comorbidity, sleep quality, psychological, pain severity and interference, and IBD features). Multiple regression analyses explored associations between somatosensory tests and multiple patient factors. RESULTS Decreased CPM in participants (N = 51) was associated with worse abdominal pain severity and use of biologic therapies (R2 = 0.30, F(5,44) = 5.18, P = 0.001). Increased TS was associated with biologic use (R2 = 0.11, F(1,49) = 6.13, P = 0.017). Decreased PPT at the low back (R2 = 0.29, F(2,48) = 11.21, P < 0.001) and Tibialis anterior (R2 = 0.41, F(2,48) = 18.26, P < 0.001) were associated with female sex and the absence of a stoma. CONCLUSION Study results demonstrated associations between multiple patient factors and somatosensory tests in patients with IBD. The absence of a stoma and female sex was associated with greater sensitivity to pressure in two remote body regions, suggestive of widespread hyperalgesia. Worse abdominal pain severity and biologic use were associated with decreased pain inhibition, and biologic use was also associated with increased pain facilitation. These findings suggest the presence of altered pain processing and mechanisms of central sensitization in patients with IBD.
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Fatahi S, Hosseini A, Sohouli MH, Sayyari A, Khatami K, Farsani ZF, Amiri H, Dara N, de Souza IGO, Santos HO. Effects of probiotic supplementation on abdominal pain severity in pediatric patients with irritable bowel syndrome: a systematic review and meta-analysis of randomized clinical trials. World J Pediatr 2022; 18:320-332. [PMID: 35106700 DOI: 10.1007/s12519-022-00516-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 01/03/2022] [Indexed: 11/09/2022]
Abstract
BACKGROUND Probiotic supplementation has been used to alleviate abdominal pain in children and adolescents with irritable bowel syndrome (IBS), but the evidence is not compelling. Thus, a systematic review and meta-analysis of randomized clinical trials (RCTs) were performed to investigate the effects of probiotic supplementation on abdominal pain in pediatric patients with IBS. METHODS PubMed/MEDLINE, Web of Science, Scopus, Cochrane Library, and Embase were the available databases searched to find relevant randomized clinical trials up to April 2021. The effect size was expressed as weighted mean difference (WMD) and 95% confidence interval (CI). RESULTS Seven RCTs with 441 participants were included, from which the meta-analysis demonstrated that probiotic supplementation has a significant effect on reducing abdominal pain in pediatric patients with IBS (WMD = - 2.36; 95% CI - 4.12 to - 0.60; P = 0.009). Although our study involved children and adolescents (≤ 18 years), the effects of probiotic supplementation seem to be more potent in patients under 10 years old (WMD = - 2.55; 95% CI - 2.84 to - 2.27) compared to patients aged 10-18 years (WMD = - 1.70; 95% CI - 2.18 to - 1.22). The length of supplementation longer than four weeks was more effective (WMD = - 2.43; 95% CI - 2.76 to - 2.09). CONCLUSION Probiotic supplementation can reduce abdominal pain in pediatric patients with IBS.
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Affiliation(s)
- Somayeh Fatahi
- Pediatric Gastroenterology, Hepatology, and Nutrition Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Student Research Committee, Faculty of Public Health Branch, Iran University of Medical Sciences, Tehran, Iran
| | - Amirhossein Hosseini
- Pediatric Gastroenterology, Hepatology, and Nutrition Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Hassan Sohouli
- Student Research Committee, Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Aliakbar Sayyari
- Pediatric Gastroenterology, Hepatology, and Nutrition Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Katayoun Khatami
- Pediatric Gastroenterology, Hepatology, and Nutrition Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Fazeli Farsani
- Pediatric Gastroenterology, Hepatology, and Nutrition Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamzeh Amiri
- Pediatric Gastroenterology, Hepatology, and Nutrition Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Naghi Dara
- Pediatric Gastroenterology, Hepatology, and Nutrition Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Ivan G O de Souza
- School of Health Sciences, Universidade Salvador (UNIFACS), Salvador, Bahia, Brazil
| | - Heitor O Santos
- School of Medicine, Federal University of Uberlandia (UFU), Uberlandia, Minas Gerais, Brazil
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Landini L, Souza Monteiro de Araujo D, Titiz M, Geppetti P, Nassini R, De Logu F. TRPA1 Role in Inflammatory Disorders: What Is Known So Far? Int J Mol Sci 2022; 23:ijms23094529. [PMID: 35562920 PMCID: PMC9101260 DOI: 10.3390/ijms23094529] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/11/2022] [Accepted: 04/18/2022] [Indexed: 02/01/2023] Open
Abstract
The transient receptor potential ankyrin 1 (TRPA1), a member of the TRP superfamily of channels, is primarily localized in a subpopulation of primary sensory neurons of the trigeminal, vagal, and dorsal root ganglia, where its activation mediates neurogenic inflammatory responses. TRPA1 expression in resident tissue cells, inflammatory, and immune cells, through the indirect modulation of a large series of intracellular pathways, orchestrates a range of cellular processes, such as cytokine production, cell differentiation, and cytotoxicity. Therefore, the TRPA1 pathway has been proposed as a protective mechanism to detect and respond to harmful agents in various pathological conditions, including several inflammatory diseases. Specific attention has been paid to TRPA1 contribution to the transition of inflammation and immune responses from an early defensive response to a chronic pathological condition. In this view, TRPA1 antagonists may be regarded as beneficial tools for the treatment of inflammatory conditions.
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Jaramillo-Polanco J, Lopez-Lopez C, Yu Y, Neary E, Hegron A, Canals M, Bunnett NW, Reed DE, Lomax AE, Vanner SJ. Opioid-Induced Pronociceptive Signaling in the Gastrointestinal Tract Is Mediated by Delta-Opioid Receptor Signaling. J Neurosci 2022; 42:3316-3328. [PMID: 35256532 PMCID: PMC9034783 DOI: 10.1523/jneurosci.2098-21.2022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 02/22/2022] [Accepted: 02/23/2022] [Indexed: 11/21/2022] Open
Abstract
Opioid tolerance (OT) leads to dose escalation and serious side effects, including opioid-induced hyperalgesia (OIH). We sought to better understand the mechanisms underlying this event in the gastrointestinal tract. Chronic in vivo administration of morphine by intraperitoneal injection in male C57BL/6 mice evoked tolerance and evidence of OIH in an assay of colonic afferent nerve mechanosensitivity; this was inhibited by the δ-opioid receptor (DOPr) antagonist naltrindole when intraperitoneally injected in previous morphine administration. Patch-clamp studies of DRG neurons following overnight incubation with high concentrations of morphine, the µ-opioid receptors (MOPr) agonist [D-Ala2, N-Me-Phe4, Gly5-ol]-Enkephalin (DAMGO) or the DOPr agonist [D-Ala2, D-Leu5]-Enkephalin evoked hyperexcitability. The pronociceptive actions of these opioids were blocked by the DOPr antagonist SDM25N but not the MOPr antagonist D-Pen-Cys-Tyr-D-Trp-Orn-Thr-Pen-Thr-NH2 The hyperexcitability induced by DAMGO was reversed after a 1 h washout, but reapplication of low concentrations of DAMGO or [D-Ala2, D-Leu5]-Enkephalin restored the hyperexcitability, an effect mediated by protein kinase C. DOPr-dependent DRG neuron hyperexcitability was blocked by the endocytosis inhibitor Pitstop 2, and the weakly internalizing DOPr agonist ARM390 did not cause hyperexcitability. Bioluminescence resonance energy transfer studies in HEK cells showed no evidence of switching of G-protein signaling from Gi to a Gs pathway in response to either high concentrations or overnight incubation of opioids. Thus, chronic high-dose opioid exposure leads to opioid tolerance and features of OIH in the colon. This action is mediated by DOPr signaling and is dependent on receptor endocytosis and downstream protein kinase C signaling.SIGNIFICANCE STATEMENT Opioids are effective in the treatment of abdominal pain, but escalating doses can lead to opioid tolerance and potentially opioid-induced hyperalgesia. We found that δ-opioid receptor (DOPr) plays a central role in the development of opioid tolerance and opioid-induced hyperalgesia in colonic afferent nociceptors following prolonged exposure to high concentrations of MOPr or DOPr agonists. Furthermore, the role of DOPr was dependent on OPr internalization and activation of a protein kinase C signaling pathway. Thus, targeting DOPr or key components of the downstream signaling pathway could mitigate adverse side effects by opioids.
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Affiliation(s)
- Josue Jaramillo-Polanco
- Gastrointestinal Diseases Research Unit, Kingston General Hospital, Queen's University, Kingston, Ontario K7L 2V7, Canada
| | - Cintya Lopez-Lopez
- Gastrointestinal Diseases Research Unit, Kingston General Hospital, Queen's University, Kingston, Ontario K7L 2V7, Canada
| | - Yang Yu
- Gastrointestinal Diseases Research Unit, Kingston General Hospital, Queen's University, Kingston, Ontario K7L 2V7, Canada
| | - Emma Neary
- Gastrointestinal Diseases Research Unit, Kingston General Hospital, Queen's University, Kingston, Ontario K7L 2V7, Canada
| | - Alan Hegron
- Department of Molecular Pathobiology, Department of Neuroscience and Physiology, Neuroscience Institute, New York University, New York, New York 10010
| | - Meritxell Canals
- Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, Queen's Medical Centre, University of Nottingham, Nottingham, NG7 2UH, United Kingdom
- Centre of Membrane Protein and Receptors, Universities of Birmingham and Nottingham, Nottingham, NG7 2UH, United Kingdom
| | - Nigel W Bunnett
- Department of Molecular Pathobiology, Department of Neuroscience and Physiology, Neuroscience Institute, New York University, New York, New York 10010
| | - David E Reed
- Gastrointestinal Diseases Research Unit, Kingston General Hospital, Queen's University, Kingston, Ontario K7L 2V7, Canada
| | - Alan E Lomax
- Gastrointestinal Diseases Research Unit, Kingston General Hospital, Queen's University, Kingston, Ontario K7L 2V7, Canada
| | - Stephen J Vanner
- Gastrointestinal Diseases Research Unit, Kingston General Hospital, Queen's University, Kingston, Ontario K7L 2V7, Canada
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Lo BD, Zhang GQ, Canner JK, Stem M, Taylor JP, Atallah C, Efron JE, Safar B. Preoperative Opioid Dose and Surgical Outcomes in Colorectal Surgery. J Am Coll Surg 2022; 234:428-435. [PMID: 35290261 DOI: 10.1097/xcs.0000000000000109] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The worsening opioid epidemic has led to an increased number of surgical patients with chronic preoperative opioid use. However, the impact of opioids on perioperative outcomes has yet to be fully elucidated. The purpose of this study was to assess the association between preoperative opioid dose and surgical outcomes among colectomy patients. METHODS Adult colectomy patients in the IBM MarketScan database (2010-2017) were stratified based on preoperative opioid dose, calculated as the average opioid dose in morphine milligram equivalents (MME) in the 90 days prior to surgery: 0 MME, 1 to 49 MME, and 50 or more MME. The association between preoperative opioid dose and anastomotic leak, the primary outcome of interest, as well as other postoperative complications, was assessed using multivariable regression. RESULTS Among 45,515 adult colectomy patients, 71.4% did not use opioids (0 MME), 27.4% had an opioid dose between 1 and 49 MME, and 1.2% had an opioid dose at or above 50 MME. Patients with preoperative opioid use exhibited a higher incidence of anastomotic leak (0 MME: 4.8%, 1-49 MME: 5.5%, ≥50 MME: 8.3%; p trend = 0.001). Multivariable analysis demonstrated a dose-response relationship between preoperative opioids and surgical outcomes, as the odds of anastomotic leak worsened with increasing opioid dose (1-49 MME: OR 1.19, 95% CI 1.08-1.31, p < 0.001; ≥50 MME: OR 1.64, 95% CI 1.20-2.24, p = 0.002). Similar dose-response relationships were seen after risk-adjustment for lung complications, pneumonia, delirium, and 30-day readmission (p < 0.05 for all). CONCLUSIONS Providers should exercise caution when prescribing opioids preoperatively, as increasing doses of preoperative opioids were associated with worse surgical outcomes and higher 30-day readmission among adult colectomy patients.
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Affiliation(s)
- Brian D Lo
- From the Colorectal Research Unit, Department of Surgery (Lo, Zhang, Stem, Taylor, Atallah, Efron, Safar), The Johns Hopkins University School of Medicine, Baltimore, MD
| | - George Q Zhang
- From the Colorectal Research Unit, Department of Surgery (Lo, Zhang, Stem, Taylor, Atallah, Efron, Safar), The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Joseph K Canner
- Center for Surgical Trials and Outcomes Research, Department of Surgery (Canner), The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Miloslawa Stem
- From the Colorectal Research Unit, Department of Surgery (Lo, Zhang, Stem, Taylor, Atallah, Efron, Safar), The Johns Hopkins University School of Medicine, Baltimore, MD
| | - James P Taylor
- From the Colorectal Research Unit, Department of Surgery (Lo, Zhang, Stem, Taylor, Atallah, Efron, Safar), The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Chady Atallah
- From the Colorectal Research Unit, Department of Surgery (Lo, Zhang, Stem, Taylor, Atallah, Efron, Safar), The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Jonathan E Efron
- From the Colorectal Research Unit, Department of Surgery (Lo, Zhang, Stem, Taylor, Atallah, Efron, Safar), The Johns Hopkins University School of Medicine, Baltimore, MD
| | - Bashar Safar
- From the Colorectal Research Unit, Department of Surgery (Lo, Zhang, Stem, Taylor, Atallah, Efron, Safar), The Johns Hopkins University School of Medicine, Baltimore, MD
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Huisman D, Sweeney L, Bannister K, Moss-Morris R. Irritable bowel syndrome in inflammatory bowel disease: Distinct, intertwined, or unhelpful? Views and experiences of patients. COGENT PSYCHOLOGY 2022. [DOI: 10.1080/23311908.2022.2050063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Affiliation(s)
- Danielle Huisman
- Health Psychology, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
| | - Louise Sweeney
- Health Psychology, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
| | - Kirsty Bannister
- Central Modulation of Pain, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
| | - Rona Moss-Morris
- Health Psychology, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, UK
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Sheehan JL, Jacob J, Berinstein EM, Greene-Higgs L, Steiner CA, Berry SK, Shannon C, Cohen-Mekelburg SA, Higgins PDR, Berinstein JA. The Relationship Between Opioid Use and Healthcare Utilization in Patients With Inflammatory Bowel Disease: A Systematic Review and Meta-Analysis. Inflamm Bowel Dis 2022; 28:1904-1914. [PMID: 35230420 PMCID: PMC9924039 DOI: 10.1093/ibd/izac021] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Pain is commonly experienced by patients with inflammatory bowel disease (IBD). Unfortunately, pain management is a challenge in IBD care, as currently available analgesics are associated with adverse events. Our understanding of the impact of opioid use on healthcare utilization among IBD patients remains limited. METHODS A systematic search was completed using PubMed, Embase, the Cochrane Library, and Scopus through May of 2020. The exposure of interest was any opioid medication prescribed by a healthcare provider. Outcomes included readmissions rate, hospitalization, hospital length of stay, healthcare costs, emergency department visits, outpatient visits, IBD-related surgeries, and IBD-related medication utilization. Meta-analysis was conducted on study outcomes reported in at least 4 studies using random-effects models to estimate pooled relative risk (RR) and 95% confidence interval (CI). RESULTS We identified 1969 articles, of which 30 met inclusion criteria. Meta-analysis showed an association between opioid use and longer length of stay (mean difference, 2.25 days; 95% CI, 1.29-3.22), higher likelihood of prior IBD-related surgery (RR, 1.72; 95% CI, 1.32-2.25), and higher rates of biologic use (RR, 1.38; 95% CI, 1.13-1.68) but no difference in 30-day readmissions (RR, 1.17; 95% CI, 0.86-1.61), immunomodulator use (RR, 1.13; 95% CI, 0.89-1.44), or corticosteroid use (RR, 1.36; 95% CI, 0.88-2.10) in patients with IBD. On systematic review, opioid use was associated with increased hospitalizations, healthcare costs, emergency department visits, outpatient visits, and polypharmacy. DISCUSSION Opioids use among patients with IBD is associated with increased healthcare utilization. Nonopioid alternatives are needed to reduce burden on the healthcare system and improve patient outcomes.
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Affiliation(s)
- Jessica L Sheehan
- Address correspondence to: Jessica L. Sheehan, MD, MS, 1500 E. Medical Center Drive, Ann Arbor, MI 48109, USA ()
| | - Janson Jacob
- Department of Internal Medicine, Michigan Medicine, Ann Arbor, MI, USA
| | - Elliot M Berinstein
- Department of Medicine, St. Joseph Mercy Ann Arbor Hospital, Ypsilanti, MI, USA
| | | | - Calen A Steiner
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Colorado, Aurora, Colorado, USA
| | - Sameer K Berry
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Michigan Medicine, Ann Arbor, MI, USA
| | - Carol Shannon
- Taubman Health Sciences Library, University of Michigan, Ann Arbor, Michigan, USA
| | - Shirley A Cohen-Mekelburg
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Michigan Medicine, Ann Arbor, MI, USA,VA Center for Clinical Management Research, VA Ann Arbor Health Care System, Ann Arbor, MI, USA,Institute for Healthcare Policy and Innovation, University of Michigan, Ann Arbor, MI, USA
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Chen YS, Lian YZ, Chen WC, Chang CC, Tinkov AA, Skalny AV, Chao JCJ. Lycium barbarum Polysaccharides and Capsaicin Inhibit Oxidative Stress, Inflammatory Responses, and Pain Signaling in Rats with Dextran Sulfate Sodium-Induced Colitis. Int J Mol Sci 2022; 23:ijms23052423. [PMID: 35269566 PMCID: PMC8910612 DOI: 10.3390/ijms23052423] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/14/2022] [Accepted: 02/18/2022] [Indexed: 12/22/2022] Open
Abstract
Ulcerative colitis (UC) is an inflammatory disease with chronic relapsing symptoms. This study investigated the effects of Lycium barbarum polysaccharides (LBP) and capsaicin (CAP) in dextran sulfate sodium (DSS)-induced UC rats. Rats were divided into normal, DSS-induced UC, and UC treated with 100 mg LBP/kg bw, 12 mg CAP/kg bw, or 50 mg LBP/kg bw and 6 mg CAP/kg bw. Rats were fed LBP or CAP orally by gavage for 4 weeks, and UC model was established by feeding 5% DSS in drinking water for 6 days during week 3. Oral CAP and mixture significantly reduced disease activity index. Oral LBP significantly decreased serum malondialdehyde, interleukin (IL)-6, colonic tumor necrosis factor (TNF)-α levels, and protein expression of transient receptor potential cation channel V1 (TRPV1) and transient receptor potential ankyrin 1 (TRPA1), but increased serum catalase activity. Oral CAP significantly suppressed serum IL-6, colonic TRPV1 and TRPA1 protein expression, but elevated IL-10 levels, serum superoxide dismutase and catalase activities. The mixture of LBP and CAP significantly reduced serum IL-6, colonic TNF-α and TRPA1 protein. In conclusion, administration of LBP and/or CAP attenuate DSS-induced UC symptoms through inhibiting oxidative stress, proinflammatory cytokines, and protein expression of TRPV1 and TRPA1.
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Affiliation(s)
- Yu-Shan Chen
- School of Nutrition and Health Sciences, Taipei Medical University, 250 Wu-Hsing Street, Taipei 110301, Taiwan; (Y.-S.C.); (Y.Z.L.)
- Department of Dietetics, Taipei Medical University Hospital, 252 Wu-Hsing Street, Taipei 110301, Taiwan
| | - Yu Zhi Lian
- School of Nutrition and Health Sciences, Taipei Medical University, 250 Wu-Hsing Street, Taipei 110301, Taiwan; (Y.-S.C.); (Y.Z.L.)
| | - Wen-Chao Chen
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Taipei Medical University Hospital, 252 Wu-Hsing Street, Taipei 110301, Taiwan; (W.-C.C.); (C.-C.C.)
| | - Chun-Chao Chang
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Taipei Medical University Hospital, 252 Wu-Hsing Street, Taipei 110301, Taiwan; (W.-C.C.); (C.-C.C.)
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, School of Medicine, Taipei Medical University, 250 Wu-Hsing Street, Taipei 110301, Taiwan
| | - Alexey A. Tinkov
- Laboratory of Molecular Dietetics, I.M. Sechenov First Moscow State Medical University, 2–4 Bolshaya Pirogovskaya Street, 119435 Moscow, Russia; (A.A.T.); (A.V.S.)
- Institute of Bioelementology, Orenburg State University, Pobedy Avenue, 13, 460018 Orenburg, Russia
| | - Anatoly V. Skalny
- Laboratory of Molecular Dietetics, I.M. Sechenov First Moscow State Medical University, 2–4 Bolshaya Pirogovskaya Street, 119435 Moscow, Russia; (A.A.T.); (A.V.S.)
- Institute of Bioelementology, Orenburg State University, Pobedy Avenue, 13, 460018 Orenburg, Russia
- Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, 9 Yanvarya Street, 29, 460000 Orenburg, Russia
| | - Jane C.-J. Chao
- School of Nutrition and Health Sciences, Taipei Medical University, 250 Wu-Hsing Street, Taipei 110301, Taiwan; (Y.-S.C.); (Y.Z.L.)
- Master Program in Global Health and Development, Taipei Medical University, 250 Wu-Hsing Street, Taipei 110301, Taiwan
- Nutrition Research Center, Taipei Medical University Hospital, 252 Wu-Hsing Street, Taipei 110301, Taiwan
- Correspondence: ; Tel.: +886-2-2736-1661 (ext. 6548); Fax: +886-2-2737-3112
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Ao Z, Cai H, Wu Z, Krzesniak J, Tian C, Lai YY, Mackie K, Guo F. Human Spinal Organoid-on-a-Chip to Model Nociceptive Circuitry for Pain Therapeutics Discovery. Anal Chem 2022; 94:1365-1372. [PMID: 34928595 PMCID: PMC11483356 DOI: 10.1021/acs.analchem.1c04641] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The discovery of new pain therapeutics targeting human nociceptive circuitry is an emerging, exciting, and rewarding field. However, current models for evaluating prospective new therapeutics [e.g., animals and two-dimensional (2D) in vitro cultures] fail to fully recapitulate the complexity of human nociceptive neuron and dorsal horn neuron biology, significantly limiting the development of novel pain therapeutics. Here, we report human spinal organoid-on-a-chip devices for modeling the biology and electrophysiology of human nociceptive neurons and dorsal horn interneurons in nociceptive circuitry. Our device can be simply made through the integration of a membrane with a three-dimensional (3D)-printed organoid holder. By combining air-liquid interface culture and spinal organoid protocols, our devices can differentiate human stem cells into human sensori-spinal-cord organoids with dorsal spinal cord interneurons and sensory neurons. By easily transferring from culture well plates to the multiple-electrode array (MEA) system, our device also allows the plug-and-play measurement of organoid activity for testing nociceptive modulators (e.g., mustard oil, capsaicin, velvet ant venom, etc.). Our organoid-on-a-chip devices are cost-efficient, scalable, easy to use, and compatible with conventional well plates, allowing the plug-and-play measurement of spinal organoid electrophysiology. By the integration of human sensory-spinal-cord organoids with our organoid-on-a-chip devices, our method may hold the promising potential to screen and validate novel therapeutics for human pain medicine discovery.
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Affiliation(s)
- Zheng Ao
- Department of Intelligent Systems Engineering, Indiana University, Bloomington, Indiana 47405, United States
| | - Hongwei Cai
- Department of Intelligent Systems Engineering, Indiana University, Bloomington, Indiana 47405, United States
| | - Zhuhao Wu
- Department of Intelligent Systems Engineering, Indiana University, Bloomington, Indiana 47405, United States
| | - Jonathan Krzesniak
- Department of Intelligent Systems Engineering, Indiana University, Bloomington, Indiana 47405, United States
| | - Chunhui Tian
- Department of Intelligent Systems Engineering, Indiana University, Bloomington, Indiana 47405, United States
| | - Yvonne Y. Lai
- Gill Center for Biomolecular Science, and Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana 47405, United States
| | - Ken Mackie
- Gill Center for Biomolecular Science, and Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana 47405, United States
| | - Feng Guo
- Department of Intelligent Systems Engineering, Indiana University, Bloomington, Indiana 47405, United States
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Sun Q, Du M, Kang Y, Zhu MJ. Prebiotic effects of goji berry in protection against inflammatory bowel disease. Crit Rev Food Sci Nutr 2022:1-25. [PMID: 34991393 DOI: 10.1080/10408398.2021.2015680] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The prevalence of inflammatory bowel disease (IBD) is increasing, which is concerning because IBD is a known risk factor for the development of colorectal cancer. Emerging evidence highlights environmental factors, particularly dietary factors and gut microbiota dysbiosis, as pivotal inducers of IBD onset. Goji berry, an ancient tonic food and a nutraceutical supplement, contains a range of phytochemicals such as polysaccharides, carotenoids, and polyphenols. Among these phytochemicals, L. barbarum polysaccharides (LBPs) are the most important functional constituents, which have protective effects against oxidative stress, inflammation, and neurodegeneration. Recently, the beneficial effects of goji berry and associated LBPs consumption were linked to prebiotic effects, which can prevent dysbiosis associated with IBD. This review assessed pertinent literature on the protective effects of goji berry against IBD focusing on the gut microbiota and their metabolites in mediating the observed beneficial effects.
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Affiliation(s)
- Qi Sun
- School of Food Science, Washington State University, Pullman, Washington, USA
| | - Min Du
- Department of Animal Science, Washington State University, Pullman, Washington, USA
| | - Yifei Kang
- School of Food Science, Washington State University, Pullman, Washington, USA
| | - Mei-Jun Zhu
- School of Food Science, Washington State University, Pullman, Washington, USA
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Macrophages transfer mitochondria to sensory neurons to resolve inflammatory pain. Neuron 2021; 110:613-626.e9. [PMID: 34921782 DOI: 10.1016/j.neuron.2021.11.020] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/21/2021] [Accepted: 11/16/2021] [Indexed: 12/21/2022]
Abstract
The current paradigm is that inflammatory pain passively resolves following the cessation of inflammation. Yet, in a substantial proportion of patients with inflammatory diseases, resolution of inflammation is not sufficient to resolve pain, resulting in chronic pain. Mechanistic insight into how inflammatory pain is resolved is lacking. Here, we show that macrophages actively control resolution of inflammatory pain remotely from the site of inflammation by transferring mitochondria to sensory neurons. During resolution of inflammatory pain in mice, M2-like macrophages infiltrate the dorsal root ganglia that contain the somata of sensory neurons, concurrent with the recovery of oxidative phosphorylation in sensory neurons. The resolution of pain and the transfer of mitochondria requires expression of CD200 receptor (CD200R) on macrophages and the non-canonical CD200R-ligand iSec1 on sensory neurons. Our data reveal a novel mechanism for active resolution of inflammatory pain.
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Koliouli F, Issari P, Mitrou A. Lived experiences of Idiopathic Inflammatory Bowel Disease (IBD) patients and the perceived impact of the COVID-19 pandemic. J Health Psychol 2021; 27:1379-1393. [PMID: 34875898 DOI: 10.1177/13591053211059382] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The aim of this qualitative, experiential study is to explore the lived experiences of Idiopathic Inflammatory Bowel Disease (IBD) patients related to psycho-emotional, social, and professional dimensions of their lives in general and, secondly, how they are affected by the COVID-19 pandemic. Semi-structured interviews were conducted online on a sample of 10 IBD Greek-speaking patients by the end of the first lockdown period in Greece (June 2020). Thematic Analysis was employed. Research findings include participant psycho-emotional experiences, perceived social and work-related implications of the IBD disease, social support, and perceived positive outcomes in patients' lives, before and during the COVID-19 pandemic.
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Affiliation(s)
| | - Philia Issari
- National and Kapodistrian University of Athens, Greece
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63
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Alhassan AM, Ahmed QU, Malami I, Zakaria ZA. Pseudocedrela kotschyi: a review of ethnomedicinal uses, pharmacology and phytochemistry. PHARMACEUTICAL BIOLOGY 2021; 59:955-963. [PMID: 34283002 PMCID: PMC8293955 DOI: 10.1080/13880209.2021.1950776] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 05/31/2021] [Accepted: 06/28/2021] [Indexed: 06/07/2023]
Abstract
CONTEXT Pseudocedrela kotschyi (Schweinf) Harms (Meliaceae) is an important medicinal plant found in tropical and subtropical countries of Africa. Traditionally, P. kotschyi is used in the treatment of various diseases including diabetes, malaria, abdominal pain and diarrhoea. OBJECTIVE To provide an overview of traditional medicinal claims, pharmacological properties, and phytochemical principles of P. kotschyi as a basis for its clinical applications and further research and development of new drugs. METHODS Through interpreting already published scientific manuscripts retrieved from different scientific search engines, namely, Medline, PubMed, EMBASE, Science Direct and Google scholar databases, an up-to-date review on the medicinal potentials of P. kotschyi from inception until September, 2020 was compiled. 'Pseudocedrela kotschyi', 'traditional uses', 'pharmacological properties' and 'chemical constituents' were used as search words. RESULTS At present, more than 30 chemical constituents have been isolated and identified from the root and stem bark of P. kotschyi, among which limonoids and triterpenes are the main active constituents. Based on prior research, P. kotschyi has been reported to possess anti-inflammatory, analgesic, antipyretic, anthelminthic, antimalaria, anti-leishmaniasis, anti-trypanosomiasis, hepatoprotective, antioxidant, antidiabetic, antidiarrheal, antimicrobial, and anticancer effects. CONCLUSIONS P. kotschyi is reported to be effective in treating a variety of diseases. Current phytochemical and pharmacological studies mainly focus on antimalaria, anti-leishmaniasis, anti-trypanosomiasis and anticancer potential of the root and stem bark of P. kotschyi. Although experimental data support the beneficial medicinal properties of this plant, there is still a paucity of information on its toxicity profile. Nonetheless, this review provides the basis for future research work.
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Affiliation(s)
- Alhassan M. Alhassan
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Qamar Uddin Ahmed
- Pharmacognosy Research Group, Department of Pharmaceutical Chemistry, Kulliyyah of Pharmacy, International Islamic University Malaysia, Kuantan, Malaysia
| | - Ibrahim Malami
- Department of Pharmacognosy and Ethnopharmacy, Faculty of Pharmaceutical Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
| | - Zainul Amiruddin Zakaria
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
- Laboratory of Halal Science Research, Halal Products Research Institute, Universiti Putra Malaysia, Serdang, Malaysia
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Sinopoulou V, Gordon M, Akobeng AK, Gasparetto M, Sammaan M, Vasiliou J, Dovey TM. Interventions for the management of abdominal pain in Crohn's disease and inflammatory bowel disease. Cochrane Database Syst Rev 2021; 11:CD013531. [PMID: 34844288 PMCID: PMC8629648 DOI: 10.1002/14651858.cd013531.pub2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND Crohn's disease is a remitting and relapsing disorder that can affect the whole gastrointestinal tract. Active disease symptoms include abdominal pain, fatigue, weight loss, and diarrhoea. There is no known cure; however, the disease can be managed, and therefore places a huge financial burden on healthcare systems. Abdominal pain is a common and debilitating symptom of Crohn's and other inflammatory bowel diseases (IBDs), and is multifaceted. Abdominal pain in Crohn's disease could be a symptom of disease relapse or related to medication adverse effects, surgical complications and strictures or adhesions secondary to IBD. In the absence of these factors, around 20 to 50% of people with Crohn's in remission still experience pain. OBJECTIVES To assess the efficacy and safety of interventions for managing abdominal pain in people with Crohn's disease and IBD (where data on ulcerative colitis and Crohn's disease could not be separated). SEARCH METHODS We searched CENTRAL, MEDLINE, three other databases, and clinical trials registries on 29 April 2021. We also searched the references of trials and systematic reviews for any additional trials. SELECTION CRITERIA All published, unpublished, and ongoing randomised trials that compared interventions for the management of abdominal pain in the setting of Crohn's disease and IBD, with other active interventions or standard therapy, placebo, or no therapy were included. We excluded studies that did not report on any abdominal pain outcomes. DATA COLLECTION AND ANALYSIS Five review authors independently conducted data extraction and 'Risk of bias' assessment of the included studies. We analysed data using Review Manager 5. We expressed dichotomous and continuous outcomes as risk ratios and mean differences with 95% confidence intervals. We assessed the certainty of the evidence using GRADE methodology. MAIN RESULTS We included 14 studies (743 randomised participants). Five studies evaluated participants with Crohn's disease; seven studies evaluated participants with IBD where the data on ulcerative colitis and Crohn's disease could not be separated; and two studies provided separate results for Crohn's disease participants. Studies considered a range of disease activity states. Two studies provided intervention success definitions, whilst the remaining studies measured pain as a continuous outcome on a rating scale. All studies except one measured pain intensity, whilst three studies measured pain frequency. Withdrawals due to adverse events were directly or indirectly reported in 10 studies. No conclusions could be drawn about the efficacy of the majority of the interventions on pain intensity, pain frequency, and treatment success, except for the comparison of transcranial direct current stimulation to sham stimulation. The certainty of the evidence was very low in all but one comparison because of imprecision due to sparse data and risk of bias assessed as unclear or high risk. Two studies compared a low FODMAP diet (n=37) to a sham diet (n=45) in IBD patients. The evidence on pain intensity was of very low certainty (MD -12.00, 95% CI -114.55 to 90.55). One study reported pain intensity separately for CD participants in the low FODMAP group [n=14, mean(SD)=24 (82.3)] and the sham group [n=12, mean(SD)=32 (69.3)]. The same study also reported pain frequency for IBD participants in the low FODMAP group [n=27, mean(SD)=36 (26)] and sham group [n=25, mean(SD)=38(25)] and CD participants in the low FODMAP group [n=14, mean(SD)=36 (138.4)] and sham group [n=12, mean(SD)=48 (128.2)]. Treatment success was not reported. One study compared a low FODMAP diet (n=25) to high FODMAP/normal diet (n=25) in IBD patients. The data reported on pain intensity was unclear. Treatment success and pain frequency were not reported. One study compared medicine-separated moxibustion combined with acupuncture (n=51) versus wheat bran-separated moxibustion combined with shallow acupuncture (n=51) in CD patients. The data reported on pain intensity and frequency were unclear. Treatment success was not reported. One study compared mindfulness with CBT (n=33) versus no treatment (n=33) in IBD patients. The evidence is very uncertain about the effect of this treatment on pain intensity and frequency (MD -37.00, 95% CI -87.29 to 13.29). Treatment success was not reported. One study compared soft non-manipulative osteopathic treatment (n=16) with no treatment besides doctor advice (n=14) in CD patients. The evidence is very uncertain about the effect of this treatment on pain intensity (MD 0.01, 95% CI -1.81 to 1.83). Treatment success and pain frequency were not reported. One study compared stress management (n=15) to self-directed stress management(n=15) and to standard treatment (n=15) in CD patients. The evidence is very uncertain about the effect of these treatments on pain intensity (MD -30.50, 95% CI -58.45 to -2.55 and MD -34.30, 95% CI -61.99 to -6.61). Treatment success and pain frequency were not reported. One study compared enteric-release glyceryl trinitrate (n=34) with placebo (n=36) in CD patients. The data reported on pain intensity was unclear. Treatment success and pain frequency were not reported. One study compared 100 mg olorinab three times per day (n=8) with 25 mg olorinab three times per day (n=6) in CD patients. Pain intensity was measured as a 30% reduction in weekly average abdominal pain intensity score for the 100mg group (n=5) and the 25mg group (n=6). The evidence is very uncertain about the effect of this treatment on pain intensity (RR 0.66, 95% CI 0.38 to 1.15). Treatment success and pain frequency were not reported. One study compared relaxation training (n=28) to a waitlist (n=28) in IBD patients. The evidence is very uncertain about the effect of this treatment on pain intensity (MD -0.72, 95% CI -1.85 to 0.41). Treatment success and pain frequency were not reported. One study compared web-based education (n=30) with a book-based education (n=30) in IBD patients. The evidence is very uncertain about the effect of this treatment on pain intensity (MD -0.13, 95% CI -1.25 to 0.99). Treatment success and pain frequency were not reported. One study compared yoga (n=50) with no treatment (n=50) in IBD patients. The data reported on treatment success were unclear. Pain frequency and intensity were not reported. One study compared transcranial direct current stimulation (n = 10) to sham stimulation (n = 10) in IBD patients. There may be an improvement in pain intensity when transcranial direct current is compared to sham stimulation (MD -1.65, 95% CI -3.29 to -0.01, low-certainty evidence). Treatment success and pain frequency were not reported. One study compared a kefir diet (Lactobacillus bacteria) to no intervention in IBD patients and provided separate data for their CD participants. The evidence is very uncertain about the effect of this treatment on pain intensity in IBD (MD 0.62, 95% CI 0.17 to 1.07) and CD (MD -1.10, 95% CI -1.67 to -0.53). Treatment success and pain frequency were not reported. Reporting of our secondary outcomes was inconsistent. The most adverse events were reported in the enteric-release glyceryl trinitrate and olorinab studies. In the enteric-release glyceryl trinitrate study, the adverse events were higher in the intervention arm. In the olorinab study, more adverse events were observed in the higher dose arm of the intervention. In the studies on non-drug interventions, adverse events tended to be very low or zero. However, no clear judgements regarding adverse events can be drawn for any interventions due to the low number of events. Anxiety and depression were measured and reported at the end of intervention in only one study; therefore, no meaningful conclusions can be drawn for this outcome. AUTHORS' CONCLUSIONS We found low certainty evidence that transcranial direct current stimulation may improve pain intensity compared to sham stimulation. We could not reach any conclusions on the efficacy of any other interventions on pain intensity, pain frequency, and treatment success. The certainty of the evidence was very low due to the low numbers of studies and participants in each comparison and clinical heterogeneity amongst the studies. While no serious or total adverse events were elicited explicitly with any of the treatments studied, the reported events were very low. The certainty of the evidence for all comparisons was very low, so no conclusions can be drawn.
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Affiliation(s)
| | - Morris Gordon
- School of Medicine, University of Central Lancashire, Preston, UK
| | | | - Marco Gasparetto
- Department of Paediatric Gastroenterology, The Royal London Hospital, Bart's Health Trust, London, UK
| | - Michael Sammaan
- School of Paediatrics and Child Health, Health Education England, North West, Manchester, UK
| | | | - Terence M Dovey
- College of Health, Medicine and Life Sciences, Brunel University London, London, UK
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Lucarini E, Seguella L, Vincenzi M, Parisio C, Micheli L, Toti A, Corpetti C, Del Re A, Squillace S, Maftei D, Lattanzi R, Ghelardini C, Di Cesare Mannelli L, Esposito G. Role of Enteric Glia as Bridging Element between Gut Inflammation and Visceral Pain Consolidation during Acute Colitis in Rats. Biomedicines 2021; 9:biomedicines9111671. [PMID: 34829900 PMCID: PMC8616000 DOI: 10.3390/biomedicines9111671] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/04/2021] [Accepted: 11/06/2021] [Indexed: 12/30/2022] Open
Abstract
Acute inflammation is particularly relevant in the pathogenesis of visceral hypersensitivity associated with inflammatory bowel diseases. Glia within the enteric nervous system, as well as within the central nervous system, contributes to neuroplasticity during inflammation, but whether enteric glia has the potential to modify visceral sensitivity following colitis is still unknown. This work aimed to investigate the occurrence of changes in the neuron–glial networks controlling visceral perception along the gut–brain axis during colitis, and to assess the effects of peripheral glial manipulation. Enteric glia activity was altered by the poison fluorocitrate (FC; 10 µmol kg−1 i.p.) before inducing colitis in animals (2,4-dinitrobenzenesulfonic acid, DNBS; 30 mg in 0.25 mL EtOH 50%), and visceral sensitivity, colon damage, and glia activation along the pain pathway were studied. FC injection significantly reduced the visceral hyperalgesia, the histological damage, and the immune activation caused by DNBS. Intestinal inflammation is associated with a parallel overexpression of TRPV1 and S100β along the gut–brain axis (colonic myenteric plexuses, dorsal root ganglion, and periaqueductal grey area). This effect was prevented by FC. Peripheral glia activity modulation emerges as a promising strategy for counteracting visceral pain induced by colitis.
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Affiliation(s)
- Elena Lucarini
- Department of Neuroscience, Psychology, Drug Research and Child Health, Neurofarba, Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (C.P.); (L.M.); (A.T.); (C.G.)
| | - Luisa Seguella
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (M.V.); (C.C.); (A.D.R.); (D.M.); (R.L.); (G.E.)
- Department of Physiology, Michigan State University, East Lansing, MI 48824, USA
| | - Martina Vincenzi
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (M.V.); (C.C.); (A.D.R.); (D.M.); (R.L.); (G.E.)
| | - Carmen Parisio
- Department of Neuroscience, Psychology, Drug Research and Child Health, Neurofarba, Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (C.P.); (L.M.); (A.T.); (C.G.)
| | - Laura Micheli
- Department of Neuroscience, Psychology, Drug Research and Child Health, Neurofarba, Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (C.P.); (L.M.); (A.T.); (C.G.)
| | - Alessandra Toti
- Department of Neuroscience, Psychology, Drug Research and Child Health, Neurofarba, Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (C.P.); (L.M.); (A.T.); (C.G.)
| | - Chiara Corpetti
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (M.V.); (C.C.); (A.D.R.); (D.M.); (R.L.); (G.E.)
| | - Alessandro Del Re
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (M.V.); (C.C.); (A.D.R.); (D.M.); (R.L.); (G.E.)
| | - Silvia Squillace
- Department of Pharmacology and Physiology and the Henry and Amelia Nasrallah Center for Neuroscience, Saint Louis University School of Medicine, St. Louis, MO 63104, USA;
| | - Daniela Maftei
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (M.V.); (C.C.); (A.D.R.); (D.M.); (R.L.); (G.E.)
| | - Roberta Lattanzi
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (M.V.); (C.C.); (A.D.R.); (D.M.); (R.L.); (G.E.)
| | - Carla Ghelardini
- Department of Neuroscience, Psychology, Drug Research and Child Health, Neurofarba, Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (C.P.); (L.M.); (A.T.); (C.G.)
| | - Lorenzo Di Cesare Mannelli
- Department of Neuroscience, Psychology, Drug Research and Child Health, Neurofarba, Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (C.P.); (L.M.); (A.T.); (C.G.)
- Correspondence:
| | - Giuseppe Esposito
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, 00185 Rome, Italy; (L.S.); (M.V.); (C.C.); (A.D.R.); (D.M.); (R.L.); (G.E.)
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Tahir AH, Li JJ, Tang Y. Peripheral and Spinal Mechanisms Involved in Electro-Acupuncture Therapy for Visceral Hypersensitivity. Front Neurosci 2021; 15:696843. [PMID: 34658755 PMCID: PMC8511820 DOI: 10.3389/fnins.2021.696843] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 08/27/2021] [Indexed: 12/12/2022] Open
Abstract
One of the important characteristic features of clinically significant gastrointestinal disorders is visceral hypersensitivity (VH). Pain sensitization or VH is a big challenge for clinicians and becomes a very thorny work in clinical practices; the therapeutic efficacy for VH results in limited success. A popular second therapy that is being approved for the induction of analgesia and attenuates VH with fewer side effects includes electro-acupuncture (EA). Different peripheral and spinal neurological chemicals, including neurotransmitters, neuropeptides, and cytokines, and different signaling pathways were associated with EA treatment in VH. Despite the higher acceptance of EA, the underlying mechanism still needs to be further explored. In this paper, we review the available literature to find the peripheral and spinal mechanisms involved in EA to relieve VH.
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Affiliation(s)
- Adnan Hassan Tahir
- School of Acupuncture and Tuina and International Collaborative Centre on Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Acupuncture and Chronobiology Key Laboratory of Sichuan Province, Chengdu, China
| | - Jia-Jia Li
- School of Acupuncture and Tuina and International Collaborative Centre on Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Acupuncture and Chronobiology Key Laboratory of Sichuan Province, Chengdu, China
| | - Yong Tang
- School of Acupuncture and Tuina and International Collaborative Centre on Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Acupuncture and Chronobiology Key Laboratory of Sichuan Province, Chengdu, China
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Bakshi N, Hart AL, Lee MC, Williams ACDC, Lackner JM, Norton C, Croft P. Chronic pain in patients with inflammatory bowel disease. Pain 2021; 162:2466-2471. [PMID: 34534174 PMCID: PMC8442739 DOI: 10.1097/j.pain.0000000000002304] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 03/19/2021] [Accepted: 03/31/2021] [Indexed: 12/19/2022]
Affiliation(s)
- Nikul Bakshi
- Research Department, Crohn's and Colitis UK, Hatfield, United Kingdom
| | | | - Michael C. Lee
- Division of Anaesthesia, Department of Medicine, University of Cambridge, Cambridge, United Kingdom
| | - Amanda C de C. Williams
- Research Department of Clinical, Educational and Health Psychology, University College London, and Pain Management Centre, University College Hospitals NHS Foundation Trust, London, United Kingdom
| | - Jeffrey M. Lackner
- Division of Behavioral Medicine, Department of Medicine, University at Buffalo, SUNY, Buffalo, NY, United States
| | - Christine Norton
- Division of Care for Long-Term Conditions, Florence Nightingale Faculty of Nursing, Midwifery and Palliative Care, King's College, London, United Kingdom
| | - Peter Croft
- Primary Care Centre Versus Arthritis and Centre for Prognosis Research, Keele University, Keele, United Kingdom
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Patient Strategies for Managing the Vicious Cycle of Fatigue, Pain and Urgency in Inflammatory Bowel Disease: Impact, Planning and Support. Dig Dis Sci 2021; 66:3330-3342. [PMID: 33164146 DOI: 10.1007/s10620-020-06698-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 10/24/2020] [Indexed: 12/15/2022]
Abstract
BACKGROUND Inflammatory bowel disease (IBD) causes inter-related symptoms of fatigue, pain and urgency which can persist in remission. AIM To understand how people with IBD experience and self-manage these symptoms and to inform the future development of an online self-management programme. METHODS Using exploratory qualitative methods, we recruited participants from clinic and community settings. Focus groups, conducted across the UK, were audio-recorded and professionally transcribed. Transcripts were analysed over four rounds using framework analysis. Eight patients were consulted to agree the final structure of data and themes. RESULTS Seven focus groups were held; five gave useable data. Twenty-six participants (15 female; ages 21-60 years; disease duration 2-40 years) with Crohn's disease (n = 10), ulcerative colitis (n = 14) and IBD-unclassified (n = 2) attended one of these five focus groups. Three core themes emerged: The Negative Impact of Symptoms, Positively Taking Control and Seeking and Receiving Support. The persistent, often stark impact of multiple co-existing symptoms on physical and emotional wellbeing can force unwanted adjustments and limitations in working, social and intimate arenas of life. Unpredictable symptoms are challenging and impact each other in negative vicious cycles. Managing diet, pacing, accepting background levels of fatigue, pain and urgency, seeking support, exercising and attending to mental wellbeing, are all perceived as helpful in self-managing symptoms. CONCLUSION Fatigue, pain and urgency are troublesome for patients, especially in combination, suggesting that these should be addressed simultaneously by clinicians. Participants reported several strategies for self-management, providing patient-focused evidence to inform future development of a self-management intervention programme.
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Takahashi K, Khwaja IG, Schreyer JR, Bulmer D, Peiris M, Terai S, Aziz Q. Post-inflammatory Abdominal Pain in Patients with Inflammatory Bowel Disease During Remission: A Comprehensive Review. CROHN'S & COLITIS 360 2021; 3:otab073. [PMID: 36777266 PMCID: PMC9802269 DOI: 10.1093/crocol/otab073] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Indexed: 11/13/2022] Open
Abstract
Patients with inflammatory bowel disease often experience ongoing pain even after achieving mucosal healing (i.e., post-inflammatory pain). Factors related to the brain-gut axis, such as peripheral and central sensitization, altered sympatho-vagal balance, hypothalamic-pituitary-adrenal axis activation, and psychosocial factors, play a significant role in the development of post-inflammatory pain. A comprehensive study investigating the interaction between multiple predisposing factors, including clinical psycho-physiological phenotypes, molecular mechanisms, and multi-omics data, is still needed to fully understand the complex mechanism of post-inflammatory pain. Furthermore, current treatment options are limited and new treatments consistent with the underlying pathophysiology are needed to improve clinical outcomes.
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Affiliation(s)
- Kazuya Takahashi
- Centre for Neuroscience, Surgery and Trauma, Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Iman Geelani Khwaja
- Centre for Neuroscience, Surgery and Trauma, Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Jocelyn Rachel Schreyer
- Centre for Neuroscience, Surgery and Trauma, Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - David Bulmer
- Department of Pharmacology, University of Cambridge, Cambridge, UK
| | - Madusha Peiris
- Centre for Neuroscience, Surgery and Trauma, Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Shuji Terai
- Division of Gastroenterology and Hepatology, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan
| | - Qasim Aziz
- Centre for Neuroscience, Surgery and Trauma, Wingate Institute of Neurogastroenterology, Blizard Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
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70
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McGing JJ, Radford SJ, Francis ST, Serres S, Greenhaff PL, Moran GW. Review article: The aetiology of fatigue in inflammatory bowel disease and potential therapeutic management strategies. Aliment Pharmacol Ther 2021; 54:368-387. [PMID: 34228817 DOI: 10.1111/apt.16465] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 09/30/2020] [Accepted: 05/20/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND Fatigue is the inability to achieve or maintain an expected work output resulting from central or peripheral mechanisms. The prevalence of inflammatory bowel disease (IBD) fatigue can reach 86% in active disease, persisting in 50%-52% of patients with mild to inactive disease. Fatigue is the commonest reason for work absence in IBD, and patients often report fatigue burden to be greater than that of primary disease symptoms. Relatively few evidence-based treatment options exist, and the aetiology is poorly understood. AIM To review the available data and suggest a possible aetiology of IBD fatigue and to consider the efficacy of existing management strategies and highlight potential future interventions. METHODS We reviewed fatigue-related literature in IBD using PubMed database. RESULTS Disease related factors such as inflammation and pharmacological treatments negatively impact skeletal muscle and brain physiology, likely contributing to fatigue symptoms. Secondary factors such as malnutrition, anaemia, sleep disturbance and psychological comorbidity are potential determinants. Immune profile, faecal microbiota composition and physical fitness differ significantly between fatigued and non-fatigued patients, suggesting these may be aetiological factors. Solution-focused therapy, high-dosage thiamine supplementation and biological therapy may reduce fatigue perception in IBD. The effect of physical activity interventions is inconclusive. CONCLUSIONS A multimodal approach is likely required to treat IBD fatigue. Established reversible factors like anaemia, micronutrient deficiencies and active disease should initially be resolved. Psychosocial intervention shows potential efficacy in reducing fatigue perception in quiescent disease. Restoring physical deconditioning by exercise training intervention may further improve fatigue burden.
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Affiliation(s)
- Jordan J McGing
- School of Medicine, University of Nottingham, Nottingham, UK.,Sir Peter Mansfield Imaging Centre, University of Nottingham, Nottingham, UK
| | - Shellie Jean Radford
- School of Medicine, University of Nottingham, Nottingham, UK.,National Institute of Health Research Nottingham Biomedical Research Centre (NIHR), Nottingham University Hospitals and University of Nottingham, Nottingham, UK
| | - Susan T Francis
- Sir Peter Mansfield Imaging Centre, University of Nottingham, Nottingham, UK.,National Institute of Health Research Nottingham Biomedical Research Centre (NIHR), Nottingham University Hospitals and University of Nottingham, Nottingham, UK
| | - Sébastien Serres
- School of Life Sciences, University of Nottingham, Nottingham, UK
| | - Paul L Greenhaff
- National Institute of Health Research Nottingham Biomedical Research Centre (NIHR), Nottingham University Hospitals and University of Nottingham, Nottingham, UK.,MRC Versus Arthritis Centre for Musculoskeletal Ageing Research, National Institute for Health Research (NIHR), Nottingham Biomedical Research Centre, School of Life Sciences, University of Nottingham, Nottingham, UK
| | - Gordon W Moran
- School of Medicine, University of Nottingham, Nottingham, UK.,National Institute of Health Research Nottingham Biomedical Research Centre (NIHR), Nottingham University Hospitals and University of Nottingham, Nottingham, UK
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71
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West C, McVey Neufeld KA. Animal models of visceral pain and the role of the microbiome. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2021; 10:100064. [PMID: 34151049 PMCID: PMC8190503 DOI: 10.1016/j.ynpai.2021.100064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 05/16/2021] [Accepted: 05/24/2021] [Indexed: 02/06/2023]
Abstract
Visceral pain refers to pain arising from the internal organs and is distinctly different from the expression and mechanisms of somatic pain. Diseases and disorders with increased visceral pain are associated with significantly reduced quality of life and incur large financial costs due to medical visits and lost work productivity. In spite of the notable burden of illness associated with those disorders involving increased visceral pain, and some knowledge regarding etiology, few successful therapeutics have emerged, and thus increased attention to animal models of visceral hypersensitivity is warranted in order to elucidate new treatment opportunities. Altered microbiota-gut-brain (MGB) axis communication is central to the comorbid gastrointestinal/psychiatric diseases of which increased visceral (intestinal) sensitivity is a hallmark. This has led to a particular focus on intestinal microbiome disruption and its potential role in the etiology of heightened visceral pain. Here we provide a review of studies examining models of heightened visceral pain due to altered bidirectional communication of the MGB axis, many of which are conducted on a background of stress exposure. We discuss work in which the intestinal microbiota has either been directly manipulated (as with germ-free, antibiotic, and fecal microbial transplantation studies) or indirectly affected through early life or adult stress, inflammation, and infection. Animal models of visceral pain alterations with accompanying changes to the intestinal microbiome have the highest face and construct validity to the human condition and are the focus of the current review.
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Affiliation(s)
- Christine West
- McMaster Brain-Body Institute at St Joseph’s Healthcare, Hamilton, Ontario, Canada
| | - Karen-Anne McVey Neufeld
- McMaster Brain-Body Institute at St Joseph’s Healthcare, Hamilton, Ontario, Canada
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada
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72
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Najjar SA, Albers KM. Pain in Inflammatory Bowel Disease: Optogenetic Strategies for Study of Neural-Epithelial Signaling. CROHN'S & COLITIS 360 2021; 3:otab040. [PMID: 34805983 PMCID: PMC8600958 DOI: 10.1093/crocol/otab040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Indexed: 02/06/2023] Open
Abstract
Abdominal pain is common in patients with active inflammation of the colon but can persist even in its absence, suggesting other mechanisms of pain signaling. Recent findings suggest colon epithelial cells are direct regulators of pain-sensing neurons. Optogenetic activation of epithelial cells evoked nerve firing and pain-like behaviors. Inhibition of epithelial cells caused the opposite effect, reducing responses to colon distension and inflammatory hypersensitivity. Thus, epithelial cells alone can regulate the activation of pain circuits. Future goals are to define the anatomical and cellular mechanisms that underlie epithelial-neural pain signaling and how it is altered in response to colon inflammation.
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Affiliation(s)
- Sarah A Najjar
- Department of Neurobiology and Pittsburgh Center for Pain Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA,Present address: Department of Pediatrics, Columbia University Medical Center, New York, New York, USA
| | - Kathryn M Albers
- Department of Neurobiology and Pittsburgh Center for Pain Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA,Address correspondence to: Kathryn M. Albers, PhD, Department of Neurobiology, University of Pittsburgh, 200 Lothrop Street, Pittsburgh, PA 15216, USA ()
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73
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Maria-Ferreira D, Dallazen JL, Corso CR, Nascimento AM, Cipriani TR, da Silva Watanabe P, de Mello Gonçales Sant'Ana D, Baggio CH, de Paula Werner MF. Rhamnogalacturonan polysaccharide inhibits inflammation and oxidative stress and alleviates visceral pain. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104483] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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74
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Abstract
Inflammatory bowel disease (IBD) is frequently associated with a variety of problematic symptoms, including abdominal pain and bowel habit changes, which are associated with poor patient quality of life and significant healthcare expenditure. Interestingly, silent IBD, a condition where patients demonstrate reduced perception and/or reporting of symptoms in the setting of active inflammation, may be as clinically consequential. This condition has been associated with serious complications leading to more costly interventions. It is by its nature an under-recognized phenomenon that affects substantial portions of patients with either Crohn's disease or ulcerative colitis. At the present time, although there are a variety of theories relating to the underlying causes and contributors, little is known about why this phenomenon occurs. As a result, there is a lack of cost-effective, reliable diagnostic methods to identify and manage "at-risk" patients. However, it is significantly likely that further study and an improved understanding of this condition will lead to improved approaches for the diagnosis and treatment of patients with silent IBD as well as other gastrointestinal disorders associated with alterations in symptomatic perception. In this article, we critically review studies that have investigated silent IBD. Specifically, we discuss the following: (1) the methods for defining silent IBD, (2) the known epidemiology of silent IBD, (3) potential causes of and contributors to this clinical entity, (4) current diagnostic modalities available to identify it, and (5) gaps in our understanding as well as potential novel diagnostic and therapeutic applications that could be developed with further study of this condition.
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Affiliation(s)
- Matthew D Coates
- Department of Medicine, Division of Gastroenterology & Hepatology, Penn State College of Medicine, Hershey, Pennsylvania, USA
- Department of Pharmacology, Penn State College of Medicine, Hershey, Pennsylvania, USA
| | - David G Binion
- Department of Medicine, Division of Gastroenterology, Hepatology & Nutrition, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA
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75
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Roberts C, Albusoda A, Farmer AD, Aziz Q. Rectal Hypersensitivity in Inflammatory Bowel Disease: A Systematic Review and Meta-analysis. CROHN'S & COLITIS 360 2021; 3:otab041. [PMID: 36776657 PMCID: PMC9802320 DOI: 10.1093/crocol/otab041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Indexed: 11/14/2022] Open
Abstract
Abdominal pain is a key symptom of inflammatory bowel disease (IBD), particularly in active IBD, but also occurs in patients with quiescent disease suggesting that mechanisms other than active inflammation may be responsible. Putative hypothesis to explain chronic abdominal pain in patients with quiescent IBD includes crossover with irritable bowel syndrome where rectal hypersensitivity is common and has pathophysiological implications. In contrast, in IBD, the role of rectal hypersensitivity has not been established. We aimed to determine if rectal hypersensitivity was more common in IBD compared to a healthy control population. We searched MEDLINE and EMBASE databases (1970-2018). Prospective studies that measured pain/discomfort thresholds to mechanical rectal stimuli in IBD and healthy controls were included. Data were pooled for meta-analysis and effect sizes were calculated with 95% confidence intervals (CIs). Our search strategy identified 222 citations of which 8 met the inclusion criteria, covering 133 individuals with IBD (67 men), aged between 10 and 77 compared to 99 healthy controls (55 men), aged between 10 and 67. The prevalence of rectal hypersensitivity in IBD compared to healthy controls was similar with an effect size of 0.59 (95% CIs: -0.27 to 1.44, P = .16, I 2 = 87.3%). Subgroup analysis did show a significant effect size for patients compared to healthy controls with active disease (1.32) but not for quiescent disease (-0.02). These results suggest that reduced rectal pain thresholds to experimental stimulation are not seen in IBD populations except during active flares of the disease. Further research is required to understand the pathophysiology of chronic abdominal pain in quiescent IBD populations with and without chronic abdominal pain to identify appropriate management strategies.
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Affiliation(s)
- Christopher Roberts
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK,University Hospital Southampton, Southampton, UK
| | - Ahmed Albusoda
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
| | - Adam D Farmer
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK,Mech-Sense, Department of Gastroenterology, Aalborg University Hospital, Aalborg, Denmark,Institute of Applied Clinical Sciences, University of Keele, Keele, UK,Department of Gastroenterology, University Hospitals of North Midlands NHS Trust, Stoke on Trent, UK
| | - Qasim Aziz
- Centre for Neuroscience, Surgery and Trauma, Blizard Institute, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK,Address correspondence to: Qasim Aziz, PhD, FRCP, Wingate Institute of Neurogastroenterology, Barts and the London School of Medicine and Dentistry, 26 Ashfield Street, Whitechapel, London E1 2AJ, UK ()
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76
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Thomann AK, Schmitgen MM, Kmuche D, Ebert MP, Thomann PA, Szabo K, Gass A, Griebe M, Reindl W, Wolf RC. Exploring joint patterns of brain structure and function in inflammatory bowel diseases using multimodal data fusion. Neurogastroenterol Motil 2021; 33:e14078. [PMID: 33368950 DOI: 10.1111/nmo.14078] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 11/24/2020] [Accepted: 12/05/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND A growing number of neuroimaging studies suggest distinct neural changes in inflammatory bowel diseases (IBDs). Whether such changes may show similar spatial patterns across distinct neural features within and between specific IBD is unclear. To address this question, we used multivariate multimodal data fusion analysis to investigate structure/function modulation in remitted patients with Crohn's disease (CD) and ulcerative colitis (UC). METHODS Patients with IBD (n = 46; n = 31 with CD, n = 15 with UC) in stable remission and 17 healthy controls (HC) underwent structural magnetic resonance imaging (sMRI) and resting-state functional magnetic resonance imaging (rs-fMRI) as well as cognitive testing. Anxiety, depression, and fatigue were assessed using self-rating questionnaires. sMRI data were analyzed via voxel-based morphometry (VBM) and rs-fMRI data via amplitude of low-frequency fluctuations (ALFFs) and regional homogeneity (ReHo). Detection of cross-information between VBM, ALFF, and ReHo was conducted by means of a joint independent component analysis (jICA), followed by group-inference statistics. KEY RESULTS Joint independent component analysis detected structural alterations in middle frontal and temporal regions (VBM), and functional changes in the superior frontal gyrus (ReHo) and the medial as well as inferior frontal, inferior temporal, rectal, and subcallosal gyrus (ALFF). One joint component of extracted features of the three modalities differed significantly between IBD patients and controls (p = 0.03), and most distinctly between HC and patients with UC. CONCLUSIONS AND INFERENCES Using a multivariate data fusion technique, this study provides further evidence to brain alterations in IBD. The data suggest distinct neural differences between CD and UC, particularly in frontotemporal regions.
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Affiliation(s)
- Anne Kerstin Thomann
- Department of Medicine II, University Medical Center Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Mike Michael Schmitgen
- Department of General Psychiatry, Center for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany
| | - Dagny Kmuche
- Department of Neurology, University Medical Center Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Matthias Philip Ebert
- Department of Medicine II, University Medical Center Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | | | - Kristina Szabo
- Department of Neurology, University Medical Center Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Achim Gass
- Department of Neurology, University Medical Center Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Martin Griebe
- Department of Neurology, University Medical Center Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Wolfgang Reindl
- Department of Medicine II, University Medical Center Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Robert Christian Wolf
- Department of General Psychiatry, Center for Psychosocial Medicine, Heidelberg University, Heidelberg, Germany
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77
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Falling C, Stebbings S, Baxter GD, Gearry RB, Mani R. Criterion validity and discriminatory ability of the central sensitization inventory short form in individuals with inflammatory bowel diseases. Scand J Pain 2021; 21:577-585. [PMID: 34015864 DOI: 10.1515/sjpain-2021-0021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 04/22/2021] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Increased symptoms related to central sensitization have previously been reported in inflammatory bowel disease (IBD) patients, identified by the original central sensitization inventory (CSI-25). However, the recently developed CSI short form (CSI-9) may be more clinically useful. The aim of the present study was to evaluate the performance of CSI-9 compared to the original CSI-25 in individuals with IBD. Study objectives were to investigate the criterion validity of the CSI-9 to the CSI-25, assess individual association of the CSI measures with clinical features of IBD and pain presentations, and to establish disease-specific CSI-9 and CSI-25 cut-off scores for discriminating the presence of self-reported pain in individuals with IBD. METHODS Cross-sectional online survey was performed on adults with IBD exploring self-reported demographics, comorbidity, and clinical IBD and pain features. Criterion validity of the CSI-9 was investigated using intraclass correlation coefficient (ICC)3,1. Area under the receiver operating characteristic curve (AUC-ROC) analysis was conducted to investigate the discriminative ability of both versions of CSI. RESULTS Of the 320 participants, 260 reported the presence of abdominal and/or musculoskeletal pain. CSI-9 and CSI-25 demonstrated substantial agreement (ICC3,1=0.64, 95% CI [0.58, 0.69]). AUC (95% CI) indicated that CSI-9 (0.788 (0.725, 0.851), p<0.001) and CSI-25 (0.808 (0.750, 0.867), p<0.001) were able to adequately discriminate the presence of pain using cut-offs scores of ≥17 (CSI-9) and ≥40 (CSI-25). Abdominal pain severity was the only feature to differ in significant association to CSI-25 (p=0.002) compared to CSI-9 (p=0.236). All other features demonstrated significant associations to both CSI versions, except age (p=0.291 and 0.643) and IBD subtype (p=0.115 and 0.675). CONCLUSIONS This is the first study to explore and validate the use of CSI-9 in IBD patients. Results demonstrated concurrent validity of the CSI-9 to CSI-25, with similar significant association to multiple patient features, and a suggested cut-off value of 17 on CSI-9 to screen for individuals with pain experiences. Study findings suggest that CSI-9 is suitable to use as a brief tool in IBD patients.
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Affiliation(s)
- Carrie Falling
- School of Physiotherapy, University of Otago, Dunedin, New Zealand
| | - Simon Stebbings
- School of Medicine, University of Otago, Dunedin, New Zealand
| | - G David Baxter
- School of Physiotherapy, University of Otago, Dunedin, New Zealand
| | - Richard B Gearry
- Department of Medicine, University of Otago Christchurch, Christchurch, New Zealand
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78
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Calcium imaging in population of dorsal root ganglion neurons unravels novel mechanisms of visceral pain sensitization and referred somatic hypersensitivity. Pain 2021; 162:1068-1081. [PMID: 33021564 DOI: 10.1097/j.pain.0000000000002096] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Accepted: 09/23/2020] [Indexed: 12/25/2022]
Abstract
ABSTRACT Mechanisms of visceral pain sensitization and referred somatic hypersensitivity remain unclear. We conducted calcium imaging in Pirt-GCaMP6s mice to gauge responses of dorsal root ganglion (DRG) neurons to visceral and somatic stimulation in vivo. Intracolonic instillation of 2,4,6-trinitrobenzene sulfonic acid (TNBS) induced colonic inflammation and increased the percentage of L6 DRG neurons that responded to colorectal distension above that of controls at day 7. Colorectal distension did not activate L4 DRG neurons. TNBS-treated mice exhibited more Evans blue extravasation than did control mice and developed mechanical hypersensitivity in low-back skin and hind paws, which are innervated by L6 and L4 DRG neurons, respectively, suggesting that colonic inflammation induced mechanical hypersensitivity in both homosegmental and heterosegmental somatic regions. Importantly, the percentage of L4 DRG neurons activated by hind paw pinch and brush stimulation and calcium responses of L6 DRG neurons to low-back brush stimulation were higher at day 7 after TNBS than those in control mice. Visceral irritation from intracolonic capsaicin instillation also increased Evans blue extravasation in hind paws and low-back skin and acutely increased the percentage of L4 DRG neurons responding to hind paw pinch and the response of L6 DRG neurons to low-back brush stimulation. These findings suggest that TNBS-induced colitis and capsaicin-induced visceral irritation may sensitize L6 DRG neurons to colorectal and somatic inputs and also increase the excitability of L4 DRG neurons that do not receive colorectal inputs. These changes may represent a potential peripheral neuronal mechanism for visceral pain sensitization and referred somatic hypersensitivity.
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79
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Lukic S, Mijac D, Filipovic B, Sokic-Milutinovic A, Tomasevic R, Krstic M, Milosavljevic T. Chronic Abdominal Pain: Gastroenterologist Approach. Dig Dis 2021; 40:181-186. [PMID: 33946069 DOI: 10.1159/000516977] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/29/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Abdominal pain is a common symptom of gastroenterology examination. Chronic abdominal pain is present for >3 months. SUMMARY Gastroesophageal reflux disease (GERD) is one of the most common gastrointestinal diseases encountered by both gastroenterologists and general practitioners. GERD is usually a chronic disease presented with a set of symptoms including heartburn and/or regurgitation, and less commonly epigastric pain. Epigastric pain syndrome is characterized by the following symptoms: epigastric pain and/or burning. It does not necessarily occur after meal ingestion, may occur during fasting, and can be even improved by meal ingestion. Duodenal ulcers tend to cause abdominal pain that is localized in the epigastric region and commence several hours after eating, often at night. Hunger provokes pain in most of the cases and decreases after meal. Gastric ulcer pain occurs immediately after eating, and consuming food increases pain. Pain is localized in the epigastrium and can radiate to the back. Abdominal pain in irritable bowel syndrome is related to defecation. A typical symptom of chronic pancreatitis is pain that radiates to the back. In Crohn's disease, inflammation causes pain. Key Messages: Pain can occur at different locations with diverse intensity and propagation and is often associated with other symptoms. For any gastroenterologist, abdominal pain is a big challenge.
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Affiliation(s)
- Snezana Lukic
- Clinic for Gastroenterology and Hepatology, Clinical Center of Serbia, School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Dragana Mijac
- Clinic for Gastroenterology and Hepatology, Clinical Center of Serbia, School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Branka Filipovic
- Clinical and Hospital center "Dr Dragisa Misovic-Dedinje", School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Aleksandra Sokic-Milutinovic
- Clinic for Gastroenterology and Hepatology, Clinical Center of Serbia, School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Ratko Tomasevic
- Department of Gastroenterology, Clinical and Hospital center "Zemun", School of Medicine, University of Belgrade, Belgrade, Serbia
| | - Miodrag Krstic
- Clinic for Gastroenterology and Hepatology, Clinical Center of Serbia, School of Medicine, University of Belgrade, Belgrade, Serbia
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80
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Ding Z, Patel A, Izanec J, Pericone CD, Lin JH, Baugh CW. Trends in US emergency department visits and subsequent hospital admission among patients with inflammatory bowel disease presenting with abdominal pain: a real-world study from a national emergency department sample database. JOURNAL OF MARKET ACCESS & HEALTH POLICY 2021; 9:1912924. [PMID: 33968334 PMCID: PMC8079064 DOI: 10.1080/20016689.2021.1912924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 03/16/2021] [Accepted: 03/31/2021] [Indexed: 06/12/2023]
Abstract
Background/Objective: This study evaluated emergency department (ED) visit trends, subsequent inpatient admissions for patients with inflammatory bowel disease (IBD) diagnosis and IBD-related abdominal pain (AP), and hospital-level variation in inpatient admission rates in the USA (US). Methods: This population-based, cross-sectional study included data from Nationwide Emergency Department Sample (NEDS, 2006─2013) database. Patients ≥18 years of age with primary ED diagnosis of IBD/IBD-related AP were included. Variables included demographics, insurance information, household income, Quan-Charlson comorbidity score, ED discharge disposition, and length of hospital stay (2006, 2010, and 2013). Variation between hospitals using risk-adjusted admission ratio was estimated. Results: Annual ED visits for IBD/100,000 US population increased (30 in 2006 vs 42 in 2013, p = 0.09), subsequent admissions remained stable (20 in 2006 vs 23 in 2013, p = 0.52). ED visits for IBD-related AP increased by 71% (7 in 2006 vs 12 in 2013; p = 0.12), subsequent admissions were stable (0.50 in 2006 vs 0.58 in 2013; p = 0.88). Proportion of patients with subsequent hospitalization decreased (IBD: 65.7% to 55.7%; IBD-related AP: 6.9% to 4.9%). Variation in subsequent inpatient admissions was 1.42 (IBD) and 1.96 (IBD-related AP). Conclusions: An increase in annual ED visits was observed for patients with IBD and IBD-related AP; however, subsequent inpatient admission rate remained stable.
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Affiliation(s)
- Zhijie Ding
- Janssen Scientific Affairs, Janssen Pharmaceuticals, Horsham, PA, USA
| | - Aarti Patel
- Janssen Scientific Affairs, Janssen Pharmaceuticals, Titusville, NJ, USA
| | - James Izanec
- Janssen Scientific Affairs, Janssen Pharmaceuticals, Horsham, PA, USA
| | | | - Jennifer H. Lin
- Janssen Scientific Affairs, Janssen Pharmaceuticals, Titusville, NJ, USA
| | - Christopher W. Baugh
- Department of Emergency Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA
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81
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Sweeney L, Moss-Morris R, Czuber-Dochan W, Norton C. Pain management in inflammatory bowel disease: feasibility of an online therapist-supported CBT-based self-management intervention. Pilot Feasibility Stud 2021; 7:95. [PMID: 33863398 PMCID: PMC8050888 DOI: 10.1186/s40814-021-00829-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 03/29/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Chronic pain is a poorly managed symptom of inflammatory bowel disease (IBD). Cognitive behavioural therapy (CBT) has an evidence base in functional gastrointestinal conditions and chronic pain. This study aimed to test the feasibility and acceptability of a 9-week online facilitator-supported CBT intervention, tailored for people with chronic IBD-related pain. DESIGN A single-arm pre-post design with nested qualitative interviews was used. Twenty individuals with IBD and chronic pain were recruited through an online IBD charity and had consented to research in a previous survey or responded to an online charity advert. Individuals who indicated a pain-interference score of ≥ 4/10 (Brief Pain Inventory) and met inclusion criteria were invited to take part. Outcomes included recruitment and retention rates, pain interference and severity, quality of life (QoL) and psychosocial measures. RESULTS Of 145 individuals contacted, 55 (37.9%) responded. Two individuals were recruited from the study advertisement. Twenty out of 57 (35.1%) met screening and eligibility criteria. Eighty-five percent of the sample engaged with intervention sessions and 55% completed at least 5/9 sessions. Eighty percent of recruited participants completed the post-intervention questionnaire at week 9. The mean score for overall acceptability was 43.4 (0-70). Qualitative feedback demonstrated the value of thought monitoring and facilitator support. Scores improved for QoL and pain self-efficacy and reduced for depression, anxiety, pain catastrophising and avoidance resting behaviour. CONCLUSIONS Online CBT for chronic IBD-related pain appears feasible and acceptable. The study suggests positive effects for improving QoL and reducing psychological distress; however, online and face-to-face recruitment methods are recommended and establishing efficacy through larger randomised controlled trials is required.
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Affiliation(s)
- Louise Sweeney
- Health Psychology Section, King's College London, London, UK.
| | | | - Wladyslawa Czuber-Dochan
- Florence Nightingale Faculty of Nursing, Midwifery & Palliative Care, King's College London, London, UK
| | - Christine Norton
- Florence Nightingale Faculty of Nursing, Midwifery & Palliative Care, King's College London, London, UK
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82
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Murphy LK, de la Vega R, Kohut SA, Kawamura JS, Levy RL, Palermo TM. Systematic Review: Psychosocial Correlates of Pain in Pediatric Inflammatory Bowel Disease. Inflamm Bowel Dis 2021; 27:697-710. [PMID: 32458966 DOI: 10.1093/ibd/izaa115] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Pain is a common symptom in pediatric inflammatory bowel disease (IBD) and is associated with poor health outcomes, yet additional knowledge about the psychosocial correlates of pain is needed to optimize clinical care. The purpose of this study is to systematically review the psychosocial factors associated with pain and pain impact in youth diagnosed with IBD within a developmentally informed framework. METHODS Manual and electronic searches yielded 2641 references. Two authors conducted screening (98% agreement), and data extraction was performed in duplicate. Average study quality was rated using the National Institutes of Health Quality Assessment Tool. RESULTS Ten studies (N = 763 patients; N = 563 Crohn disease, N = 200 ulcerative/ indeterminate colitis) met the inclusion criteria. Findings showed consistent evidence that higher levels of child depression symptoms and child pain catastrophizing were associated with significantly greater pain and pain impact (magnitude of association ranged from small to large across studies). Greater pain and pain impact were also associated with higher levels of child anxiety symptoms, child pain threat, child pain worry, and parent pain catastrophizing. Within the included studies, female sex and disease severity were both significantly associated with pain and pain impact. Study quality was moderate on average. CONCLUSIONS There is evidence that child psychosocial factors are associated with pain and pain impact in pediatric IBD; more studies are needed to examine parent- and family-level psychosocial factors. Youth with IBD should be routinely screened for pain severity, pain impact, and psychosocial risk factors such as anxiety/depression.
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Affiliation(s)
- Lexa K Murphy
- Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Rocio de la Vega
- Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Sara Ahola Kohut
- Department of Psychology and Division of Gastroenterology, Hepatology, and Nutrition, The Hospital for Sick Children, Toronto, Ontario, Canada.,Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
| | - Joy S Kawamura
- Department of Psychiatry and Behavioral Medicine, Seattle Children's Hospital, Seattle, Washington, USA.,Department of Psychiatry, University of Washington, Seattle, Washington, USA
| | - Rona L Levy
- Department of Social Work, University of Washington, Seattle, Washington, USA
| | - Tonya M Palermo
- Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington, USA.,Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington, USA
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83
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The Role of Autologous Flap Reconstruction in Patients with Crohn's Disease Undergoing Abdominoperineal Resection. Dis Colon Rectum 2021; 64:429-437. [PMID: 33395136 DOI: 10.1097/dcr.0000000000001844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND Patients with symptomatic Crohn's disease who undergo abdominoperineal resection can experience impaired postoperative wound healing. This results in significant morbidity, burdensome dressing changes, and increased postoperative pain. When abdominoperineal resection is performed for oncological reasons, autologous flap reconstruction is occasionally performed to optimize wound healing and reconstruction outcomes. However, the role of flap reconstruction after abdominoperineal resection for Crohn's disease has not been established. OBJECTIVE This study examines the utility of flap reconstruction in patients with symptomatic Crohn's disease undergoing abdominoperineal resection. We hypothesize that patients with immediate flap reconstruction after abdominoperineal resection will demonstrate improved wound healing. DESIGN This study is a retrospective chart review. SETTINGS Eligible patients at our institution were identified from 2010 to 2018 by using a combination of Current Procedural Terminology, International Classification of Diseases, Ninth Revision, and International Classification of Diseases, Tenth Revision codes. PATIENTS Of 40 adult patients diagnosed with Crohn's disease, 20 underwent abdominoperineal resection only and 20 underwent abdominoperineal resection with flap reconstruction. INTERVENTIONS Immediate autologous flap reconstruction was performed after abdominoperineal resection. MAIN OUTCOME MEASURES The primary outcomes measured were the presence of postoperative perineal wounds and postoperative wound care burden. RESULTS Patients in the abdominoperineal resection with flap reconstruction group demonstrated significantly worse preoperative disease traits, including fistula burden, than patients in the abdominoperineal resection only group. A lower number of patients tended to be associated with a persistent perineal wound in the flap group at 30 days (abdominoperineal resection with flap reconstruction = 55% vs abdominoperineal resection only = 70%; p = 0.327) and at 6 months (abdominoperineal resection with flap reconstruction = 25% vs abdominoperineal resection only = 40%; p = 0.311) postoperatively. There was also a trend toward a lower incidence of complications in the flap group. Patients in the abdominoperineal resection with flap reconstruction group tended to experience lower postoperative pain than patients in the abdominoperineal resection only group. LIMITATIONS This retrospective cohort study was limited by its reliance on data in electronic medical records, and by its small sample size and the fact that it was a single-institution study. CONCLUSIONS In select patients who have severe perianal fistulizing Crohn's disease, there may be a benefit to immediate flap reconstruction after abdominoperineal resection to lower postoperative wound care burden without significant intraoperative or postoperative risk. In addition, flap reconstruction may lead to lower postoperative pain. See Video Abstract at http://links.lww.com/DCR/B416. EL ROL DE LA RECONSTRUCCIN CON COLGAJO AUTLOGO EN PACIENTES CON ENFERMEDAD DE CROHN SOMETIDOS A RESECCIN ABDOMINOPERINEAL ANTECEDENTES:Los pacientes con enfermedad de Crohn sintomática que se someten a una resección abdominoperineal pueden experimentar una curación posoperatoria deficiente de la herida. Esto da como resultado una morbilidad significativa, cambios de apósito molestos y un aumento del dolor posoperatorio. Cuando se realiza una resección abdominoperineal por razones oncológicas, ocasionalmente se realiza una reconstrucción con colgajo autólogo para optimizar los resultados de la curación y reconstrucción de la herida. Sin embargo, no se ha establecido la función de la reconstrucción con colgajo después de la resección abdominoperineal para la enfermedad de Crohn.OBJETIVO:Este estudio examina la utilidad de la reconstrucción con colgajo en pacientes con enfermedad de Crohn sintomática sometidos a resección abdominoperineal. Presumimos que los pacientes con reconstrucción inmediata con colgajo después de la resección abdominoperineal demostrarán una mejor curación de la herida.DISEÑO:Revisión retrospectiva de expedientes.MARCO:Los pacientes elegibles en nuestra institución se identificaron entre 2010 y 2018 mediante una combinación de los códigos de Terminología actual de procedimientos, Clasificación internacional de enfermedades 9 y Clasificación internacional de enfermedades 10.PACIENTES:Cuarenta pacientes adultos diagnosticados con enfermedad de Crohn que se someten a resección abdominoperineal solamente (APR-solo = 20) y resección abdominoperineal con reconstrucción con colgajo (APR-colgajo = 20).INTERVENCIÓN (ES):Reconstrucción inmediata con colgajo autólogo después de la resección abdominoperineal.MEDIDAS DE RESULTADOS PRINCIPALES:Presencia de herida perineal posoperatoria y carga de cuidado de la herida posoperatoria.RESULTADOS:Los pacientes del grupo APR-colgajo demostraron rasgos de enfermedad preoperatoria significativamente peores, incluida la carga de la fístula, en comparación con los pacientes del grupo APR-solo. Un número menor de pacientes tendió a asociarse con una herida perineal persistente en el grupo de colgajo a los 30 días (APR-colgajo = 55% vs APR-solo = 70%; p = 0.327) y 6 meses (APR-colgajo = 25% vs APR-solo = 40%; p = 0.311) postoperatoriamente. También hubo una tendencia hacia una menor incidencia de complicaciones en el grupo APR-colgajo. Los pacientes del grupo APR-colgajo tendieron a experimentar menos dolor posoperatorio en comparación con el grupo APR-solo.LIMITACIONES:Estudio de cohorte retrospectivo basado en datos de historias clínicas electrónicas. Tamaño de muestra pequeño y estudio de una sola institución.CONCLUSIONES:En pacientes seleccionados que tienen enfermedad de Crohn fistulizante perianal grave, la reconstrucción inmediata del colgajo después de la resección abdominoperineal puede beneficiar a reducir la carga posoperatoria del cuidado de la herida sin riesgo intraoperatorio o posoperatorio significativo. Además, la reconstrucción con colgajo puede resultar un dolor posoperatorio menor. Consulte Video Resumen en http://links.lww.com/DCR/B416.
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Abstract
INTRODUCTION Pain control is an important management approach for many gastrointestinal conditions. Because of the ongoing opioid crisis, public health efforts have focused on limiting opioid prescriptions. This study examines national opioid prescribing patterns and factors associated with opioid prescriptions for gastrointestinal conditions. METHODS We conducted a repeated cross-sectional study using the National Ambulatory Medical Care Survey data from 2006 to 2016. The International Classification of Diseases codes were used to identify ambulatory visits with a primary gastrointestinal diagnosis. Data were weighted to calculate national estimates for opioid prescriptions for gastrointestinal disease. Joinpoint regression was used to analyze temporal trends. Multivariable logistic regression was used to examine factors associated with opioid prescriptions. RESULTS We analyzed 12,170 visits with a primary gastrointestinal diagnosis, representing 351 million visits. The opioid prescription rate for gastrointestinal visits was 10.1% (95% confidence interval [CI] 9.0%-11.2%). Opioid prescription rates for gastrointestinal disease increased by 0.5% per year from 2006 to 2016 (P = 0.04). Prescription rates were highest for chronic pancreatitis (25.1%) and chronic liver disease (13.9%) visits. Seventy-one percent of opioid prescriptions were continuations of an existing prescription. Patient characteristics associated with continued opioid prescriptions included rural location (adjusted odds ratio [aOR] 1.46; 95% CI 1.11-1.93), depression (aOR 1.83; 95% CI 1.33-2.53), and Medicaid insurance (aOR 1.57; 95% CI 1.15-2.13). DISCUSSION Opioid prescription rates for gastrointestinal disease visits increased from 2006 to 2016. Our findings suggest an inadequate response to the opioid epidemic by providers managing gastrointestinal conditions. Further clinical interventions are needed to limit opioid use for gastrointestinal disease.(Equation is included in full-text article.).
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Turkiewicz J, Bhatt RR, Wang H, Vora P, Krause B, Sauk JS, Jacobs JP, Bernstein CN, Kornelsen J, Labus JS, Gupta A, Mayer EA. Altered brain structural connectivity in patients with longstanding gut inflammation is correlated with psychological symptoms and disease duration. Neuroimage Clin 2021; 30:102613. [PMID: 33823388 PMCID: PMC8050027 DOI: 10.1016/j.nicl.2021.102613] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 02/14/2021] [Accepted: 02/22/2021] [Indexed: 12/18/2022]
Abstract
OBJECTIVE We aimed to identify differences in network properties of white matter microstructure between asymptomatic ulcerative colitis (UC) participants who had a history of chronic gut inflammation, healthy controls (HCs) and a disease control group without gut inflammation (irritable bowel syndrome; IBS). DESIGN Diffusion weighted imaging was conducted in age and sex-matched participants with UC, IBS, and HCs (N = 74 each), together with measures of gastrointestinal and psychological symptom severity. Using streamline connectivity matrices and graph theory, we aimed to quantify group differences in brain network connectivity. Regions showing group connectivity differences were correlated with measures showing group behavioral and clinical differences. RESULTS UC participants exhibited greater centrality in regions of the somatosensory network and default mode network, but lower centrality in the posterior insula and globus pallidus compared to HCs (q < 0.05). Hub analyses revealed compromised hubness of the pallidus in UC and IBS compared to HCs which was replaced by increased hubness of the postcentral sulcus. Surprisingly, few differences in network matrices between UC and IBS were identified. In UC, centrality measures in the secondary somatosensory cortex were associated with depression (q < 0.03), symptom related anxiety (q < 0.04), trait anxiety (q < 0.03), and symptom duration (q < 0.05). CONCLUSION A history of UC is associated with neuroplastic changes in several brain networks, which are associated with symptoms of depression, trait and symptom-related anxiety, as well as symptom duration. When viewed together with the results from IBS subjects, these findings suggest that chronic gut inflammation as well as abdominal pain have a lasting impact on brain network organization, which may play a role in symptoms reported by UC patients, even when gut inflammation has subsided.
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Affiliation(s)
- Joanna Turkiewicz
- G. Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, United States; Vatche and Tamar Manoukian Division of Digestive Diseases at UCLA, United States; University of California, Irvine School of Medicine, United States
| | - Ravi R Bhatt
- Imaging Genetics Center, Mark and Mary Stevens Neuroimaging and Informatics Institute, Keck School Medcine at USC, University of Southern California, 4676 Admiralty Way, Marina Del Rey, CA 90292, USA
| | - Hao Wang
- G. Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, United States; Vatche and Tamar Manoukian Division of Digestive Diseases at UCLA, United States; Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, China
| | - Priten Vora
- G. Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, United States; Vatche and Tamar Manoukian Division of Digestive Diseases at UCLA, United States
| | - Beatrix Krause
- G. Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, United States
| | - Jenny S Sauk
- G. Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, United States; Vatche and Tamar Manoukian Division of Digestive Diseases at UCLA, United States; UCLA Microbiome Center, United States
| | - Jonathan P Jacobs
- G. Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, United States; Vatche and Tamar Manoukian Division of Digestive Diseases at UCLA, United States; UCLA Microbiome Center, United States; Division of Gastroenterology, Hepatology and Parenteral Nutrition, United States
| | - Charles N Bernstein
- University of Manitoba IBD Clinical and Research Centre, Department of Internal Medicine, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Canada
| | - Jennifer Kornelsen
- University of Manitoba IBD Clinical and Research Centre, Department of Internal Medicine, Rady Faculty of Health Sciences, Max Rady College of Medicine, University of Manitoba, Canada
| | - Jennifer S Labus
- G. Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, United States; Vatche and Tamar Manoukian Division of Digestive Diseases at UCLA, United States; UCLA Microbiome Center, United States
| | - Arpana Gupta
- G. Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, United States; Vatche and Tamar Manoukian Division of Digestive Diseases at UCLA, United States; UCLA Microbiome Center, United States
| | - Emeran A Mayer
- G. Oppenheimer Center for Neurobiology of Stress and Resilience at UCLA, United States; Vatche and Tamar Manoukian Division of Digestive Diseases at UCLA, United States; UCLA Microbiome Center, United States.
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Fabisiak A, Fabisiak N, Mokrowiecka A, Malecka-Panas E, Jacenik D, Kordek R, Zielińska M, Kieć-Kononowicz K, Fichna J. Novel selective agonist of GPR18, PSB-KK-1415 exerts potent anti-inflammatory and anti-nociceptive activities in animal models of intestinal inflammation and inflammatory pain. Neurogastroenterol Motil 2021; 33:e14003. [PMID: 33058313 DOI: 10.1111/nmo.14003] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 09/09/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND GPR18 is a recently deorphanized receptor which was reported to act with several endogenous cannabinoid ligands. Here, we aimed to describe the role of GPR18 in intestinal inflammation and inflammatory pain. METHODS The anti-inflammatory activity of selective GPR18 agonist, PSB-KK-1415, and antagonist, PSB-CB5, was characterized in semi-chronic and chronic mouse models of colitis induced by 2,4,6-trinitrobenzenesulfonic acid (TNBS). The extent of inflammation was evaluated based on the macroscopic and microscopic scores, quantification of myeloperoxidase (MPO) activity, and Western blot analyses of tumor necrosis factor-α (TNF-α) and interleukin-6 in colonic tissue. The expression of GPR18 in colonic samples from patients with Crohn's disease (CD) was quantified using real-time PCR. The anti-nociceptive potential of the agonist in intestinal inflammation was evaluated in the mouse model of inflammatory pain. KEY RESULTS In semi-chronic colitis, PSB-KK-1415 reduced macroscopic score (1.79 ± 0.22 vs. 2.61 ± 0.48), expression of TNF-α (1.89 ± 0.36 vs. 2.83 ± 0.64), and microscopic score (5.00 ± 0.33 vs. 6.45 ± 0.40), all compared to mice with colitis. In chronic colitis, PSB-KK-1415 decreased macroscopic score (3.33 ± 1.26 vs. 4.00 ± 1.32) and MPO activity (32.23 ± 8.51 vs. 41.33 ± 11.64) compared to inflamed mice. In the mouse model of inflammatory pain, PSB-KK-1415 decreased the number of pain-induced behaviors in both, controls (32.60 ± 2.54 vs. 58.00 ± 6.24) and inflamed mice (60.83 ± 2.85 vs. 85.00 ± 5.77) compared to animals without treatment with PSB-KK-1415 (P < 0.005 for both). Lastly, we showed an increased expression of GPR18 in CD patients compared to healthy controls (3.77 ± 1.46 vs. 2.38 ± 0.66, p = 0.87). CONCLUSIONS & INFERENCES We showed that GPR18 is worth considering as a potential treatment target in intestinal inflammation and inflammatory pain.
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Affiliation(s)
- Adam Fabisiak
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland.,Department of Digestive Tract Diseases, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Natalia Fabisiak
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland.,Department of Gastroenterology, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Anna Mokrowiecka
- Department of Digestive Tract Diseases, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Ewa Malecka-Panas
- Department of Digestive Tract Diseases, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Damian Jacenik
- Department of Cytobiochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Radzislaw Kordek
- Department of Pathology, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Marta Zielińska
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
| | - Katarzyna Kieć-Kononowicz
- Department of Technology and Biotechnology of Drugs, Jagiellonian University Medical College, Krakow, Poland
| | - Jakub Fichna
- Department of Biochemistry, Faculty of Medicine, Medical University of Lodz, Lodz, Poland
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Liu C, Wu H, Fan H. Progress in understanding of mechanism of dietary therapy for ulcerative colitis with regard to intestinal microbiota. Shijie Huaren Xiaohua Zazhi 2021; 29:146-151. [DOI: 10.11569/wcjd.v29.i3.146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The pathogenesis of ulcerative colitis is closely related to the complex interaction between heredity, environment, and intestinal microbiota. Intestinal dysbiosis is not only the cause of ulcerative colitis, but also the pathological result of ulcerative colitis. Dietary therapies have been found to modulate the microbiota to alter the effects of environmental factors on ulcerative colitis. Dietary pattern is related to the pathogenesis, development, and prognosis of ulcerative colitis, and the role of diet in ulcerative colitis has attracted more and more attention. This article reviews the mechanisms by which dietary therapy treats ulcerative colitis with regard to regulating the brain-gut functional axis, regulating the immune function, and protecting the intestinal mucosal barrier by modulating intestinal microbiota.
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Affiliation(s)
- Chang Liu
- Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei Province, China
| | - Hui Wu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Heng Fan
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
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Ledergerber M, Lang BM, Heinrich H, Biedermann L, Begré S, Zeitz J, Krupka N, Rickenbacher A, Turina M, Greuter T, Schreiner P, Roth R, Siebenhüner A, Vavricka SR, Rogler G, Beerenwinkel N, Misselwitz B. Abdominal pain in patients with inflammatory bowel disease: association with single-nucleotide polymorphisms prevalent in irritable bowel syndrome and clinical management. BMC Gastroenterol 2021; 21:53. [PMID: 33546600 PMCID: PMC7866750 DOI: 10.1186/s12876-021-01622-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Accepted: 01/20/2021] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Abdominal pain is a frequent symptom in patients with inflammatory bowel disease (IBD) including Crohn's disease (CD) and ulcerative colitis (UC). Pain can result from ongoing inflammation or functional disorders imitating irritable bowel syndrome (IBS). Several single-nucleotide polymorphisms (SNPs) have been associated with IBS. However, the impact of IBS genetics on the clinical course of IBD, especially pain levels of patients remains unclear. METHODS Data of 857 UC and 1206 CD patients from the Swiss IBD Cohort Study were analysed. We tested the association of the maximum of the abdominal pain item of disease activity indices in UC and CD over the study period with 16 IBS-associated SNPs, using multivariate ANOVA models. RESULTS In UC patients, the SNPs rs1042713 (located on the ADRB2 gene) and rs4663866 (close to the HES6 gene) were associated with higher abdominal pain levels (P = 0.044; P = 0.037, respectively). Abdominal pain was not associated with any markers of patient management in a model adjusted for confounders. In CD patients, higher levels of abdominal pain correlated with the number of physician contacts (P < 10-15), examinations (P < 10-12), medical therapies (P = 0.023) and weeks of hospitalisation (P = 0.0013) in a multivariate model. CONCLUSIONS We detected an association between maximal abdominal pain in UC patients and two IBS-associated SNPs. Abdominal pain levels had a pronounced impact on diagnostic and therapeutic procedures in CD but not in UC patients.
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Affiliation(s)
- Martina Ledergerber
- Department of Gastroenterology, University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland
| | - Brian M Lang
- Department of Biosystems Science and Engineering, ETH Basel, Basel, Switzerland.,SIB Swiss Institute of Bioinformatics, Basel, Switzerland
| | - Henriette Heinrich
- Department of Gastroenterology, University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland
| | - Luc Biedermann
- Department of Gastroenterology, University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland
| | - Stefan Begré
- Department of Biomedical Research, Neurology, Inselspital and University Clinic of Bern, Bern, Switzerland
| | - Jonas Zeitz
- Department of Gastroenterology, University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland.,Center of Gastroenterology, Clinic Hirslanden, Zurich, Switzerland
| | - Niklas Krupka
- Department of Visceral Surgery and Medicine, Inselspital Bern, University of Bern, Bern, Switzerland
| | - Andreas Rickenbacher
- Department of Visceral Surgery, University Hospital Zurich (USZ), Zurich, Switzerland
| | - Matthias Turina
- Department of Visceral Surgery, University Hospital Zurich (USZ), Zurich, Switzerland
| | - Thomas Greuter
- Department of Gastroenterology, University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland
| | - Philipp Schreiner
- Department of Gastroenterology, University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland
| | - René Roth
- Department of Gastroenterology, University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland
| | - Alexander Siebenhüner
- Department of Oncology, Center of Hematology and Oncology University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland
| | - Stephan R Vavricka
- Department of Gastroenterology, University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland
| | - Gerhard Rogler
- Department of Gastroenterology, University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland
| | - Niko Beerenwinkel
- Department of Biosystems Science and Engineering, ETH Basel, Basel, Switzerland.,SIB Swiss Institute of Bioinformatics, Basel, Switzerland
| | - Benjamin Misselwitz
- Department of Gastroenterology, University Hospital Zurich (USZ), Zurich University, Zurich, Switzerland. .,Department of Visceral Surgery and Medicine, Inselspital Bern, University of Bern, Bern, Switzerland.
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Banfi D, Moro E, Bosi A, Bistoletti M, Cerantola S, Crema F, Maggi F, Giron MC, Giaroni C, Baj A. Impact of Microbial Metabolites on Microbiota-Gut-Brain Axis in Inflammatory Bowel Disease. Int J Mol Sci 2021; 22:1623. [PMID: 33562721 PMCID: PMC7915037 DOI: 10.3390/ijms22041623] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/29/2021] [Accepted: 02/02/2021] [Indexed: 02/07/2023] Open
Abstract
The complex bidirectional communication system existing between the gastrointestinal tract and the brain initially termed the "gut-brain axis" and renamed the "microbiota-gut-brain axis", considering the pivotal role of gut microbiota in sustaining local and systemic homeostasis, has a fundamental role in the pathogenesis of Inflammatory Bowel Disease (IBD). The integration of signals deriving from the host neuronal, immune, and endocrine systems with signals deriving from the microbiota may influence the development of the local inflammatory injury and impacts also more distal brain regions, underlying the psychophysiological vulnerability of IBD patients. Mood disorders and increased response to stress are frequently associated with IBD and may affect the disease recurrence and severity, thus requiring an appropriate therapeutic approach in addition to conventional anti-inflammatory treatments. This review highlights the more recent evidence suggesting that alterations of the microbiota-gut-brain bidirectional communication axis may concur to IBD pathogenesis and sustain the development of both local and CNS symptoms. The participation of the main microbial-derived metabolites, also defined as "postbiotics", such as bile acids, short-chain fatty acids, and tryptophan metabolites in the development of IBD-associated gut and brain dysfunction will be discussed. The last section covers a critical evaluation of the main clinical evidence pointing to the microbiome-based therapeutic approaches for the treatment of IBD-related gastrointestinal and neuropsychiatric symptoms.
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Affiliation(s)
- Davide Banfi
- Department of Medicine and Surgery, University of Insubria, via H Dunant 5, 21100 Varese, Italy; (D.B.); (A.B.); (M.B.); (F.M.); (A.B.)
| | - Elisabetta Moro
- Department of Internal Medicine and Therapeutics, Section of Pharmacology, University of Pavia, via Ferrata 9, 27100 Pavia, Italy; (E.M.); (F.C.)
| | - Annalisa Bosi
- Department of Medicine and Surgery, University of Insubria, via H Dunant 5, 21100 Varese, Italy; (D.B.); (A.B.); (M.B.); (F.M.); (A.B.)
| | - Michela Bistoletti
- Department of Medicine and Surgery, University of Insubria, via H Dunant 5, 21100 Varese, Italy; (D.B.); (A.B.); (M.B.); (F.M.); (A.B.)
| | - Silvia Cerantola
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Largo Meneghetti 2, 35131 Padova, Italy; (S.C.); (M.C.G.)
| | - Francesca Crema
- Department of Internal Medicine and Therapeutics, Section of Pharmacology, University of Pavia, via Ferrata 9, 27100 Pavia, Italy; (E.M.); (F.C.)
| | - Fabrizio Maggi
- Department of Medicine and Surgery, University of Insubria, via H Dunant 5, 21100 Varese, Italy; (D.B.); (A.B.); (M.B.); (F.M.); (A.B.)
| | - Maria Cecilia Giron
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Largo Meneghetti 2, 35131 Padova, Italy; (S.C.); (M.C.G.)
| | - Cristina Giaroni
- Department of Medicine and Surgery, University of Insubria, via H Dunant 5, 21100 Varese, Italy; (D.B.); (A.B.); (M.B.); (F.M.); (A.B.)
- Centre of Neuroscience, University of Insubria, 21100 Varese, Italy
| | - Andreina Baj
- Department of Medicine and Surgery, University of Insubria, via H Dunant 5, 21100 Varese, Italy; (D.B.); (A.B.); (M.B.); (F.M.); (A.B.)
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Abstract
OBJECTIVES Inflammation is an important driver of abdominal pain in inflammatory bowel disease (IBD). However, some patients in remission still experience pain. We aimed to identify risk factors associated with abdominal pain in quiescent IBD (QP-IBD) and to characterize differences from patients with active disease experiencing pain (AP-IBD). METHODS We performed a retrospective analysis utilizing data from our institution's IBD Natural History Registry (January 1, 2015-August 31, 2018). Endoscopic evaluation, concurrent laboratory studies, and validated surveys were completed by participants. Demographic and clinical data were also abstracted. RESULTS We recruited 122 patients with quiescent disease (65f:57 m; 93CD:26UC:3Indeterminate) for participation in this study, 74 (60.7%) had QP-IBD. QP-IBD patients were more likely to have anxiety/depression (71.6% vs. 25.0%, p < 0.001) or to use antidepressants (47.3% vs. 22.9%, p < 0.010), opiates (18.9% vs. 2.1%, p < 0.010), other pain medications (50.0% vs. 18.8%, p < 0.010), or corticosteroids (18.9% vs. 2.1%, p < 0.010). On logistic regression analysis, corticosteroid use, anxious/depressed state, and female gender were each independently associated with QP-IBD (p < 0.050 or less). Compared with AP-IBD patients (n = 110, 59f:51 m; 69CD:38UC:3Indeterminate), QP-IBD patients were more likely to use antidepressants (45.6% vs. 26.4%, p < 0.010). Platelet, white blood cell, C-reactive protein, and sedimentation rate levels were all less likely to be elevated in QP-IBD (all p < 0.050), though 44% exhibited pathological elevation in at least one. DISCUSSION QP-IBD was independently associated with corticosteroid use, anxiety/depression, and female gender. Compared with AP-IBD, QP-IBD patients were more likely to use antidepressants and less likely to exhibit elevated inflammatory markers. However, many QP-IBD patients still demonstrated pathological elevation of these tests, demonstrating the need to develop new noninvasive screening methods for this condition.
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Abdominal Pain After Pediatric Inflammatory Bowel Disease Diagnosis: Results From the ImproveCareNow Network. J Pediatr Gastroenterol Nutr 2020; 71:749-754. [PMID: 32910089 DOI: 10.1097/mpg.0000000000002933] [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: 12/10/2022]
Abstract
OBJECTIVES Although abdominal pain is a hallmark symptom of pediatric inflammatory bowel disease (IBD), limited research has examined pain during the first year after diagnosis. The purpose of the present study is to examine prevalence, predictors, and impact of abdominal pain during the 12 months after pediatric IBD diagnosis using data from the ImproveCareNow (ICN) Network. PATIENTS AND METHODS Participants consisted of 13,875 youth (age 8-18 years, 44% female, 81% Caucasian) with IBD (65% Crohn's disease; 27% ulcerative colitis, 8% indeterminate colitis) enrolled in the ICN Network with data from clinic visits during the first year after diagnosis (1-22 visits; mean = 3.7). Multivariable mixed effects logistic regression models were conducted to analyze the presence versus the absence of abdominal pain, activity limitations, and decrements in well-being. RESULTS The percentage of youth reporting abdominal pain decreased significantly during the first year after diagnosis and yet a sizeable group reported continued pain at 12 months (55.9% at diagnosis; 34.0% at 12 months). Multivariable analyses revealed that greater time since diagnosis (odds ratio [OR] = 0.98, P < 0.001), higher disease severity (OR = 11.84, P < 0.001), presence of psychosocial risk factors (OR = 2.33, P = 0.036), and female sex (OR = 1.90, P < 0.010) were significant correlates of continuing abdominal pain. Abdominal pain was significantly associated with decrements in well-being (OR = 5.11, P < 0.001) as well as limitations in activity (OR = 9.31, P < 0.001), over and above the influence of disease severity. CONCLUSIONS Abdominal pain is prevalent and impactful, even when controlling for disease activity, during the first year after pediatric IBD diagnosis. Results from the present study can inform screening and tailored pain management intervention efforts in pediatric IBD.
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92
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Falling C, Stebbings S, Baxter GD, Siegel CA, Gearry RB, Nijs J, Mani R. Symptoms of central sensitization in patients with inflammatory bowel diseases: a case-control study examining the role of musculoskeletal pain and psychological factors. Scand J Pain 2020; 21:283-295. [PMID: 34387957 DOI: 10.1515/sjpain-2020-0109] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 09/04/2020] [Indexed: 12/20/2022]
Abstract
OBJECTIVES Musculoskeletal (MSK) pain is a common complaint in patients with inflammatory bowel diseases (IBD). MSK pain in IBD has previously demonstrated association with symptoms of central sensitization; however it is uncertain whether these symptoms are influenced simply by the presence of MSK pain and/or IBD. Primary aim of this study was to investigate whether symptoms of central sensitization differed across three groups: IBD patients with and without MSK pain and healthy controls. Secondary aim was to investigate between-group differences for measures of somatosensory functioning. METHODS Cross-sectional study was performed on adults with IBD. Assessments included: central sensitization inventory (CSI), pressure pain threshold, temporal summation, conditioned pain modulation, perceived stress, affect style, anxiety, depression, and pain catastrophizing. One-way analyses of variance and covariance were used to investigate between-group differences for measures of central sensitization and potential confounding by psychological factors. RESULTS Study participants (n=66) were age/gender matched across three study groups. Between-group differences were solely demonstrated for CSI scores [F(2,63)=19.835, p<0.001, r=0.62], with IBD patients with MSK pain demonstrating the highest CSI scores and healthy controls the lowest. After controlling for individual psychological features, post hoc comparisons indicated that CSI scores were significantly different between-groups (p≤0.025) after controlling for most psychological variables, with the exception of perceived stress (p=0.063) and pain catastrophizing (p=0.593). CONCLUSIONS IBD patients as a whole demonstrated significantly greater symptoms of central sensitization compared to healthy controls. However, IBD patients with persistent MSK pain demonstrated the greatest symptoms of central sensitization compared to patients without MSK pain and healthy controls. Between-group differences for CSI in IBD patients with MSK were not confounded by psychological features. IMPLICATIONS Study results indicate that persistent MSK pain in IBD represents patients with greater central sensitization symptomology. This increased symptomology is suggestive of underlying mechanisms related to central sensitization, highlighting patient potentially at risk for worse pain experiences.
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Affiliation(s)
- Carrie Falling
- School of Physiotherapy, University of Otago, Dunedin, 9010, New Zealand
| | - Simon Stebbings
- School of Medicine, University of Otago, Dunedin, New Zealand
| | - G David Baxter
- School of Physiotherapy, University of Otago, Dunedin, 9010, New Zealand
| | - Corey A Siegel
- Section of Gastroenterology and Hepatology, Dartmouth-Hitchcock Medical Center, Lebanon, USA
| | - Richard B Gearry
- Department of Medicine, University of Otago Christchurch, Christchurch, New Zealand
| | - Jo Nijs
- Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Ramakrishnan Mani
- School of Physiotherapy, University of Otago, Dunedin, 9010, New Zealand
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93
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Supraspinal Mechanisms of Intestinal Hypersensitivity. Cell Mol Neurobiol 2020; 42:389-417. [PMID: 33030712 DOI: 10.1007/s10571-020-00967-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 09/22/2020] [Indexed: 12/13/2022]
Abstract
Gut inflammation or injury causes intestinal hypersensitivity (IHS) and hyperalgesia, which can persist after the initiating pathology resolves, are often referred to somatic regions and exacerbated by psychological stress, anxiety or depression, suggesting the involvement of both the spinal cord and the brain. The supraspinal mechanisms of IHS remain to be fully elucidated, however, over the last decades the series of intestinal pathology-associated neuroplastic changes in the brain has been revealed, being potentially responsible for the phenomenon. This paper reviews current clinical and experimental data, including the authors' own findings, on these functional, structural, and neurochemical/molecular changes within cortical, subcortical and brainstem regions processing and modulating sensory signals from the gut. As concluded in the review, IHS can develop and maintain due to the bowel inflammation/injury-induced persistent hyperexcitability of viscerosensory brainstem and thalamic nuclei and sensitization of hypothalamic, amygdala, hippocampal, anterior insular, and anterior cingulate cortical areas implicated in the neuroendocrine, emotional and cognitive modulation of visceral sensation and pain. An additional contribution may come from the pathology-triggered dysfunction of the brainstem structures inhibiting nociception. The mechanism underlying IHS-associated regional hyperexcitability is enhanced NMDA-, AMPA- and group I metabotropic receptor-mediated glutamatergic neurotransmission in association with altered neuropeptide Y, corticotropin-releasing factor, and cannabinoid 1 receptor signaling. These alterations are at least partially mediated by brain microglia and local production of cytokines, especially tumor necrosis factor α. Studying the IHS-related brain neuroplasticity in greater depth may enable the development of new therapeutic approaches against chronic abdominal pain in inflammatory bowel disease.
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94
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Manceur AM, Ding Z, Muser E, Obando C, Voelker J, Pilon D, Kinkead F, Lafeuille MH, Lefebvre P. Burden of Crohn's disease in the United States: long-term healthcare and work-loss related costs. J Med Econ 2020; 23:1092-1101. [PMID: 32609019 DOI: 10.1080/13696998.2020.1789649] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
AIMS To quantify the long-term direct and indirect costs among patients with Crohn's disease (CD) and specific subgroups of these patients in the United States from the private payer's perspective. MATERIALS AND METHODS This retrospective study used the OptumHealth Care Solutions, Inc database (01 January 1999-31 March 2017) to match (1:5) adult patients with ≥2 claims for CD to patients without inflammatory bowel disease (IBD). Patterns observed during follow-up (i.e. biologics, opioids, or steroids; CD-related surgery; moderate-to-severe disease; and comorbidities) were used to identify CD subgroups. Comparisons of healthcare resource utilization, work loss days, and direct and indirect work loss-related costs were made between matched cohorts. Descriptive analyses of costs were conducted within each CD subgroup. RESULTS There were 6,715 and 33,575 patients in the CD and non-IBD cohorts, respectively. The direct burden was significantly higher in the CD cohort compared to the non-IBD cohort, with 0.34 inpatient admissions per patient per year (PPPY) versus 0.12 (217% increase; p < .001), and $24,500 direct healthcare costs PPPY versus $7,037 ($17,463 increase; p < .001). The trend was similar for the indirect burden, with work loss-related costs PPPY of $5,490 in the CD cohort versus $3,322 in the non-IBD cohort ($2,168 increase; p < .001). The burden was numerically higher in the CD subgroups, with direct healthcare costs reaching $101,013 PPPY in the surgery subgroup. LIMITATIONS Severity of CD was determined based on claims-based algorithms due to the lack of access to medical files. Absenteeism was imputed based on claims data, and presenteeism was not assessed. CONCLUSIONS The direct healthcare and indirect work loss-related costs of patients with CD was significantly higher compared to patients without IBD over an average follow-up of 5 years.
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Affiliation(s)
| | - Zhijie Ding
- Janssen Scientific Affairs, LLC, Horsham, PA, USA
| | - Erik Muser
- Janssen Scientific Affairs, LLC, Horsham, PA, USA
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95
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Elucidating vulnerability to inflammation-induced hyperalgesia: Predictors of increased musculoskeletal pain sensitivity during experimental endotoxemia. Brain Behav Immun 2020; 88:302-307. [PMID: 32592864 DOI: 10.1016/j.bbi.2020.06.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/15/2020] [Accepted: 06/18/2020] [Indexed: 11/22/2022] Open
Abstract
Despite broad clinical implications, the mechanisms linking inflammation and pain remain incompletely understood. Using human experimental endotoxemia as a translational model of systemic inflammation, we aimed to elucidate putative vulnerability factors of inflammation-induced musculoskeletal hyperalgesia. We pooled data from three published randomized controlled trials, resulting in a sample of N = 98 healthy volunteers who received either low-dose endotoxin (lipopolysaccharide) or vehicle (saline) intravenously. As measure of musculoskeletal pain sensitivity, pressure pain thresholds (PPTs) were assessed at baseline and 3 h post injection with a handheld algometer for the low back (erector spinae muscle), calf (gastrocnemius muscle), and shoulder region (deltoid muscle). Implementing multiple regression models, we tested the contribution of putative vulnerability factors on musculoskeletal hyperalgesia during systemic inflammation, including acute changes in pro-inflammatory cytokines, state anxiety and mood, as well as pre-existing symptoms of anxiety and depression. Endotoxin application led to significant increases in plasma cytokines, state anxiety, and negative mood, and significantly decreased PPTs for all muscle groups. Regression models revealed that greater M. erector spinae PPT changes were predicted by higher HADS-anxiety scores. Higher TNF-α concentration emerged as predictor for M. gastrocnemius PPT changes, and more pronounced TNF-α increase and higher HADS-anxiety were predictive for M. deltoideus PPTs. HADS scores emerged as predictor for a mean PPT score (computed across all body sites). Together, our results indicate that musculoskeletal hyperalgesia during systemic inflammation is related to pro-inflammatory cytokines, specifically TNF-α. Importantly, subclinical anxiety symptoms (even though in a low and normal range in this cohort of healthy volunteers) may contribute to inflammation-induced hyperalgesia, making individuals more vulnerable to the detrimental effects of systemic inflammation.
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96
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Pilon D, Ding Z, Muser E, Obando C, Voelker J, Manceur AM, Kinkead F, Lafeuille MH, Lefebvre P. Long-term direct and indirect costs of ulcerative colitis in a privately-insured United States population. Curr Med Res Opin 2020; 36:1285-1294. [PMID: 32427006 DOI: 10.1080/03007995.2020.1771293] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Objective: Prior evaluations of ulcerative colitis (UC)-related costs are dated or encompassed limited follow-up. This study assessed the incremental direct and indirect work loss-related costs of privately-insured patients with UC in the United States, overall and in specific subgroups.Methods: In this retrospective matched cohort study, the OptumHealth Care Solutions, Inc (formerly Optum Health Reporting and Insights employer) database (01 January 1999-31 March 2017) was used to identify adult patients with ≥2 claims for UC, who were matched 1:5 to patients with no claims for inflammatory bowel disease (IBD). UC subgroups were identified based on indicators during the observation period (i.e. use of biologics, opioids, or corticosteroids; UC-related surgery; moderate-to-severe disease; UC-related comorbidities). Healthcare resource utilization (HRU), work loss days, and direct and work loss-related costs were compared between matched cohorts. Descriptive analyses of direct and work loss-related costs were conducted within each UC subgroup.Results: Compared to the non-IBD cohort (n = 46,765), the UC cohort (n = 9353) incurred higher HRU, including 128% more inpatients visits, resulting in $11,029 higher direct costs per patient per year (PPPY; $7170 vs. $18,198; p < .001). Patients in the UC cohort also incurred more work loss days, resulting in $2142 higher work loss-related costs PPPY ($3165 vs. $5307; p < .001). Direct and work loss-related costs were particularly high in the UC subgroups, with patients undergoing UC-related surgery incurring the highest costs.Conclusions: Over ∼5 years follow-up, patients with UC had significantly higher all-cause direct healthcare and indirect work loss-related costs compared to matched patients without IBD.
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Affiliation(s)
| | - Zhijie Ding
- Real World Value and Evidence, Janssen Scientific Affairs, LLC, Horsham, PA, USA
| | - Erik Muser
- Real World Value and Evidence, Janssen Scientific Affairs, LLC, Horsham, PA, USA
| | - Camilo Obando
- Real World Value and Evidence, Janssen Scientific Affairs, LLC, Horsham, PA, USA
| | - Jennifer Voelker
- Real World Value and Evidence, Janssen Scientific Affairs, LLC, Horsham, PA, USA
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97
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Coates MD, Seth N, Clarke K, Abdul-Baki H, Mahoney N, Walter V, Regueiro MD, Ramos-Rivers C, Koutroubakis IE, Bielefeldt K, Binion DG. Opioid Analgesics Do Not Improve Abdominal Pain or Quality of Life in Crohn's Disease. Dig Dis Sci 2020; 65:2379-2387. [PMID: 31758431 PMCID: PMC7831884 DOI: 10.1007/s10620-019-05968-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 11/16/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Abdominal pain and opioid analgesic use are common in Crohn's disease (CD). AIMS We sought to identify factors associated with abdominal pain in CD and evaluate the impact of opioid analgesics on pain and quality-of-life scores in this setting. METHODS We performed a longitudinal cohort study using a prospective, consented IBD natural history registry from a single academic center between 2009 and 2013. Consecutive CD patients were followed for at least 1 year after an index visit. Data were abstracted regarding pain experience (from validated surveys), inflammatory activity (using endoscopic/histologic findings), laboratory studies, coexistent psychiatric disorders, medical therapy, opioid analgesic, and tobacco use. RESULTS Of 542 CD patients (56.6% women), 232 (42.8%) described abdominal pain. Individuals with pain were more likely to undergo surgery and were more frequently prescribed analgesics and/or antidepressants/anxiolytics. Elevated ESR (OR 1.79; 95%CI 1.11-2.87), coexistent anxiety/depression (OR 1.87; 95%CI 1.13-3.09), smoking (OR 2.08; 95%CI 1.27-3.40), and opioid use (OR 2.46; 95%CI 1.33-4.57) were independently associated with abdominal pain. Eighty patients (14.8%) were prescribed opioids, while 31 began taking them at or after the index visit. Patients started on opioids demonstrated no improvement in abdominal pain or quality-of-life scores on follow-up compared to patients not taking opioids. CONCLUSIONS Abdominal pain is common in CD and is associated with significant opioid analgesic utilization and increased incidence of anxiety/depression, smoking, and elevated inflammatory markers. Importantly, opioid use in CD was not associated with improvement in pain or quality-of-life scores. These findings reinforce the limitations of currently available analgesics in IBD and support exploration of alternative therapies.
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Affiliation(s)
- M. D. Coates
- Division of Gastroenterology and Hepatology, Department of Medicine, Penn State College of Medicine, Hershey, PA 17033, USA
| | - N. Seth
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Texas Southwestern, Houston, TX, USA
| | - K. Clarke
- Division of Gastroenterology and Hepatology, Department of Medicine, Penn State College of Medicine, Hershey, PA 17033, USA
| | - H. Abdul-Baki
- Division of Gastroenterology and Hepatology, Department of Medicine, Allegheny Health System, Pittsburgh, PA, USA
| | - N. Mahoney
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - V. Walter
- Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA, USA
| | - M. D. Regueiro
- Division of Gastroenterology and Hepatology, Department of Medicine, Cleveland Clinic, Cleveland, OH, USA
| | - C. Ramos-Rivers
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - I. E. Koutroubakis
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - K. Bielefeldt
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Utah, Salt Lake City, UT, USA
| | - D. G. Binion
- Division of Gastroenterology, Hepatology and Nutrition, Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
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98
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Antonioli L, Fornai M, Pellegrini C, Bertani L, Nemeth ZH, Blandizzi C. Inflammatory Bowel Diseases: It's Time for the Adenosine System. Front Immunol 2020; 11:1310. [PMID: 32849492 PMCID: PMC7403190 DOI: 10.3389/fimmu.2020.01310] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 05/22/2020] [Indexed: 12/16/2022] Open
Affiliation(s)
- Luca Antonioli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Matteo Fornai
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | | | - Lorenzo Bertani
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Zoltan H Nemeth
- Department of Surgery, Morristown Medical Center, Morristown, NJ, United States.,Department of Anesthesiology, Columbia University Medical Center, New York, NY, United States
| | - Corrado Blandizzi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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99
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Gorrepati VS, Soriano C, Johri A, Dalessio S, Stuart A, Koltun W, Tinsley A, Clarke K, Williams E, Coates M. Abdominal Pain and Anxious or Depressed State Are Independently Associated With Weight Loss in Inflammatory Bowel Disease. CROHNS & COLITIS 360 2020; 2:otaa047. [PMID: 32671337 PMCID: PMC7329212 DOI: 10.1093/crocol/otaa047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Indexed: 11/12/2022]
Abstract
Background Many factors impact nutritional status in inflammatory bowel disease (IBD). We undertook this study to evaluate the potential role that abdominal pain has on weight loss and dietary behavior in IBD. Methods This is a retrospective cohort study utilizing data from an IBD registry at our institution between January 1, 2015 and August 31, 2018. Pain scores and nutritional outcomes were derived from validated questionnaires while key associated clinical data were derived from the medical record. Results Three hundred and three patients (154 females; 206 Crohn’s disease) were included in this study. Ninety-six patients (31.7%) had experienced a 6-lb or greater weight loss in the prior month. On multivariate analysis, abdominal pain and anxious/depressed state were independently associated with weight loss, while female gender and NSAID use were inversely associated with weight loss (P < 0.05). IBD patients with abdominal pain also reported significantly poorer dietary behavior than those without this symptom. Conclusions Abdominal pain is more likely to result in negative dietary outcomes and independently associated with weight loss in IBD. IBD providers should screen for malnutrition when patients report abdominal pain. We demonstrated that IBD patients with abdominal pain, anxious or depressed state have poorer nutritional outcomes, regardless of disease activity state. These findings reinforce the importance of screening for malnutrition in IBD patients with one or more of these symptoms.
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Affiliation(s)
- Venkata Subhash Gorrepati
- Division of Gastroenterology & Hepatology, Department of Medicine, Penn State College of Medicine, Hershey, PA, USA
| | | | - Ansh Johri
- Penn State College of Medicine, Hershey, PA, USA
| | - Shannon Dalessio
- Division of Gastroenterology & Hepatology, Department of Medicine, Penn State College of Medicine, Hershey, PA, USA
| | - August Stuart
- Division of Gastroenterology & Hepatology, Department of Medicine, Penn State College of Medicine, Hershey, PA, USA
| | - Walter Koltun
- Division of Colorectal Surgery, Department of Surgery, Penn State College of Medicine, Hershey, PA, USA
| | - Andrew Tinsley
- Division of Gastroenterology & Hepatology, Department of Medicine, Penn State College of Medicine, Hershey, PA, USA
| | - Kofi Clarke
- Division of Gastroenterology & Hepatology, Department of Medicine, Penn State College of Medicine, Hershey, PA, USA
| | - Emmanuelle Williams
- Division of Gastroenterology & Hepatology, Department of Medicine, Penn State College of Medicine, Hershey, PA, USA
| | - Matthew Coates
- Division of Gastroenterology & Hepatology, Department of Medicine, Penn State College of Medicine, Hershey, PA, USA
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100
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Grossi V, Hyams JS, Glidden NC, Knight BE, Young EE. Characterizing Clinical Features and Creating a Gene Expression Profile Associated With Pain Burden in Children With Inflammatory Bowel Disease. Inflamm Bowel Dis 2020; 26:1283-1290. [PMID: 31627210 DOI: 10.1093/ibd/izz240] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND There is often dissociation between inflammatory activity and abdominal pain in children with inflammatory bowel disease (IBD), suggesting other factors may play a role in the pain experience. METHODS Patients (8 to 17 years) newly diagnosed with IBD were enrolled in the ALLAY Study: Assessing Risk Factors for Abdominal Pain in Children with Inflammatory Bowel Disease (NCT02984059). At diagnostic colonoscopy, 3 rectal biopsies were collected, and gene expression analysis was performed using Qiagen RT2 Profiler Neuropathic and Inflammatory Pain PCR Array. Relative fold difference in gene expression for 84 pain-associated genes was calculated using the 2-ΔΔ Cq method compared with pain-free controls. Factors affecting pain burden (Pain Burden Interview; PBI) were analyzed, including age, sex, rectal inflammation, and gene expression. Data were analyzed using multiple stepwise linear regression and 2-tailed t tests (P ≤ 0.05). RESULTS Thirty-nine newly diagnosed IBD patients were included (65% male, mean age 12.75 years [SD 2.63], 23 Crohn's disease, 16 ulcerative colitis), along with 3 controls. Mean PBI score was 7.73 (SD 6.4, range 0 to 23) for all patients. Age and sex were not predictive of pain burden, but disease activity score was (P = 0.03). Expression of TRPV3, OPRM1, P2X3, SCN9A, PTGS2, and MAPK14 were associated with PBI score. Subsequent 2-tailed t tests comparing patients with no pain (PBI score ≦ 2, N = 11) to those with pain (PBI > 2, N = 28) confirmed differential expression of TRPV3, PTGS2, and MAPK14 was in patients with pain (all P < 0.05). CONCLUSION Pain burden in newly diagnosed IBD patients may be linked to TRPV3, PTGS2, and MAPK14 expression, suggesting potential therapeutic targets for managing pain in IBD.
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Affiliation(s)
- Victoria Grossi
- Division of Digestive Diseases, Hepatology, and Nutrition, Connecticut Children's Medical Center, Hartford, Connecticut, USA.,Department of Pediatrics, University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Jeffrey S Hyams
- Division of Digestive Diseases, Hepatology, and Nutrition, Connecticut Children's Medical Center, Hartford, Connecticut, USA.,Department of Pediatrics, University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Nicole C Glidden
- Genetics and Genome Sciences, University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Brittany E Knight
- Department of Neuroscience, University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Erin E Young
- Department of Anesthesiology, University of Kansas School of Medicine, Kansas City, Kansas, USA
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