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Nitsch KE, Ivatury SJ. Patient reported outcome measures (PRO) in colorectal surgery. Surg Open Sci 2024; 19:66-69. [PMID: 38595830 PMCID: PMC11002305 DOI: 10.1016/j.sopen.2024.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 03/22/2024] [Accepted: 03/25/2024] [Indexed: 04/11/2024] Open
Abstract
Patient reported outcomes refer to, "Any report of the status of a patient's health condition that comes directly from the patient, without interpretation of the patient's response by a clinician or anyone else" (US Food and Drug Administration, 2009) [1]. These outcomes can include anything that matters to patients including quality of life, pain, number of bowel movements. Patient reported outcome measures refer to tools or instruments that help to measure these outcomes. These measures can be done using validated tools, those that have undergone rigorous testing and psychometric validation, and non-validated tools such as may exist in a practice to rate practice or physician/staff care quality. For this paper, we will discuss the role of patient reported outcomes measures in colon and rectal surgery.
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Affiliation(s)
- Kathia E. Nitsch
- University of Texas at Austin Dell Medical School, Austin, TX, United States of America
| | - Srinivas J. Ivatury
- University of Texas at Austin Dell Medical School, Austin, TX, United States of America
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Kim C, Brown FL, Burk C, Anatchkova M, Sargalo N, Kaushik A. Patient experiences in ulcerative colitis: conceptual model and review of patient-reported outcome measures. Qual Life Res 2024; 33:1373-1387. [PMID: 38438664 PMCID: PMC11045605 DOI: 10.1007/s11136-024-03612-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/19/2024] [Indexed: 03/06/2024]
Abstract
PURPOSE To identify symptoms and their impacts on daily functioning and health-related quality of life (HRQoL) experienced by adult patients with ulcerative colitis (UC) and evaluate patient-reported outcome (PRO) measures for UC clinical studies. METHODS A conceptual model of symptoms and impacts of UC were developed from a literature review. PRO measures were identified from the literature, clinical trials databases, health technology assessment submissions, and regulatory label claims, and were selected for conceptual analysis based on disease specificity and use across information sources. PRO measures covering the most concepts when mapped against the conceptual model were assessed for gaps in psychometric properties using Food and Drug Administration (FDA) guidance and consensus-based standards for the selection of health measurement instruments (COSMIN) criteria. RESULTS The conceptual model grouped the 52 symptom concepts and 72 proximal and distal impacts into eight, two, and five dimensions, respectively. Of 65 PRO measures identified, eight underwent conceptual analysis. Measures covering the most concepts and assessed for psychometric properties were the Inflammatory Bowel Disease Questionnaire, Symptoms and Impacts Questionnaire for UC, UC-PRO symptoms modules, UC-PRO impact modules, and Crohn's and UC Questionnaire; all had good or excellent support for content validity. The UC-PRO Signs and Symptoms fully met FDA guidance and COSMIN criteria for content validity and most psychometric properties. CONCLUSION Existing PRO measures assess concepts relevant to patients with UC, but all PRO measures reviewed require further psychometric evaluation to demonstrate they are fit for purpose.
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Affiliation(s)
- Chong Kim
- HEOR, Gilead Sciences, Foster City, CA, USA.
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Dolovich C, Shafer LA, Graff LA, Vagianos K, Witges K, Targownik LE, Bernstein CN. Hormonal Contraceptives Reduce Active Symptomatic Disease but May Increase Intestinal Inflammation in IBD. J Clin Gastroenterol 2024; 58:271-276. [PMID: 38349017 DOI: 10.1097/mcg.0000000000001846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 02/26/2023] [Indexed: 02/15/2024]
Abstract
BACKGROUND Among women of reproductive age with inflammatory bowel disease (IBD), we aimed to assess the relationship of hormonal contraceptives (HCs) with IBD-related symptoms, and intestinal inflammation. METHODS A nested cohort of women in the longitudinal Manitoba Living with IBD Study, ages 18 to 49, were followed for 1 year, with bi-weekly online surveys. This included a validated measure of disease activity; IBD Symptom Inventory (IBDSI), and stool samples obtained at 3 time-points for assessment of fecal calprotectin (FCAL). Use of HC included oral and vaginal intrauterine devices. Logistic regression analysis was used to assess the association between HC and IBD-related symptoms (IBDSI>14 for Crohn disease, >13 for ulcerative colitis), or inflammation (FCAL>250 ug/g) at any measurement point in the study. RESULTS Of 71 women, 17 (24%) reported taking HC in the 1 year period. Adjusting for age, disease type, disease duration, and smoking status, the odds of having increased IBD-related symptoms (IBDSI) during the year were lower for women using HC compared with women not using HC [adjusted odds ratio 0.16, 95% CI, 0.02-0.90]. Conversely, women using HC were more likely to have inflammation during the year [adjusted odds ratio 5.7, 95% CI, 1.23-43.6]. CONCLUSIONS HC use among women with IBD was associated with a lower likelihood of IBD-related symptoms but a higher likelihood of experiencing intestinal inflammation (FCAL>250 ug/g) over 1 year. Further work is needed to examine this dichotomous result, potentially examining aspects such as duration of HC use, and the types of HC.
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Affiliation(s)
- Casandra Dolovich
- Departments of Internal Medicine
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg, MB
| | - Leigh Anne Shafer
- Departments of Internal Medicine
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg, MB
| | - Lesley A Graff
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg, MB
- Division of Gastroenterology and Hepatology, Department of Medicine, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada
| | - Kathy Vagianos
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg, MB
| | - Kelcie Witges
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg, MB
| | - Laura E Targownik
- Division of Gastroenterology and Hepatology, Department of Medicine, Mount Sinai Hospital, University of Toronto, Toronto, ON, Canada
| | - Charles N Bernstein
- Departments of Internal Medicine
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg, MB
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Cosier D, Lambert K, Batterham M, Sanderson-Smith M, Mansfield KJ, Charlton K. The INHABIT (synergIstic effect of aNtHocyAnin and proBIoTics in) Inflammatory Bowel Disease trial: a study protocol for a double-blind, randomised, controlled, multi-arm trial. J Nutr Sci 2024; 13:e1. [PMID: 38282655 PMCID: PMC10808876 DOI: 10.1017/jns.2023.113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Accepted: 12/01/2023] [Indexed: 01/30/2024] Open
Abstract
Ulcerative Colitis (UC), a type of Inflammatory Bowel Disease (IBD), is a chronic, relapsing gastrointestinal condition with increasing global prevalence. The gut microbiome profile of people living with UC differs from healthy controls and this may play a role in the pathogenesis and clinical management of UC. Probiotics have been shown to induce remission in UC; however, their impact on the gut microbiome and inflammation is less clear. Anthocyanins, a flavonoid subclass, have shown anti-inflammatory and microbiota-modulating properties; however, this evidence is largely preclinical. To explore the combined effect and clinical significance of anthocyanins and a multi-strain probiotic, a 3-month randomised controlled trial will be conducted in 100 adults with UC. Participants will be randomly assigned to one of four groups: anthocyanins (blackcurrant powder) + placebo probiotic, probiotic + placebo fruit powder, anthocyanin + probiotic, or double placebo. The primary outcome is a clinically significant change in the health-related quality-of-life measured with the Inflammatory Bowel Disease Questionnaire-32. Secondary outcomes include shotgun metagenomic sequencing of the faecal microbiota, faecal calprotectin, symptom severity, and mood and cognitive tests. This research will identify the role of adjuvant anti-inflammatory dietary treatments in adults with UC and elucidate the relationship between the gut microbiome and inflammatory biomarkers in this disease, to help identify targeted individualised microbial therapies. ANZCTR registration ACTRN12623000630617.
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Affiliation(s)
- Denelle Cosier
- School of Medicine, Indigenous and Health Sciences, University of Wollongong, Wollongong, NSW, Australia
| | - Kelly Lambert
- School of Medicine, Indigenous and Health Sciences, University of Wollongong, Wollongong, NSW, Australia
| | - Marijka Batterham
- Statistical Consulting Centre, National Institute for Applied Statistical Research Australia, University of Wollongong, Wollongong, NSW, Australia
| | - Martina Sanderson-Smith
- School of Chemistry and Molecular Bioscience and Molecular Horizons, University of Wollongong, Wollongong, NSW, Australia
| | - Kylie J Mansfield
- Graduate School of Medicine, University of Wollongong, Wollongong, NSW, Australia
| | - Karen Charlton
- School of Medicine, Indigenous and Health Sciences, University of Wollongong, Wollongong, NSW, Australia
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Marrie RA, Fisk JD, Dolovich C, Lix LM, Graff LA, Patten SB, Bernstein CN. Psychometric Performance of Fatigue Scales in Inflammatory Bowel Disease. Inflamm Bowel Dis 2024; 30:53-63. [PMID: 36917218 PMCID: PMC10769783 DOI: 10.1093/ibd/izad038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Indexed: 03/16/2023]
Abstract
BACKGROUND Fatigue is highly prevalent in people with inflammatory bowel disease (IBD). Fatigue scales are important for studies testing fatigue interventions, but information about psychometric properties of many scales is insufficient in IBD. We compared the psychometric properties of multiple generic fatigue scales in participants with IBD. METHODS Individuals with IBD (N = 216) completed the Daily Fatigue Impact Scale (DFIS), the vitality subscale of the RAND-36, and the Patient Health Questionnaire-9 (PHQ-9) fatigue item twice. A subgroup (n = 84) also completed the Fatigue Impact Scale (FIS) once, from which we also scored the 21 items from the Modified Fatigue Impact Scale (MFIS-IBD). We assessed floor/ceiling effects, construct validity, and internal consistency reliability. Using relative efficiency (RE), we compared discriminating ability and comparative responsiveness of the measures regarding disease activity and employment status and changes. RESULTS The FIS, MFIS, and RAND-36-vitality scales did not exhibit floor or ceiling effects. The DFIS showed mild floor effects (19.4%), and the PHQ-9 fatigue item showed floor (18.1%) and ceiling (20.8%) effects. Internal consistency reliability exceeded 0.93 for FIS, MFIS-IBD, and DFIS and was 0.81 for the RAND-36-vitality scale. In the subgroup analysis, the FIS, MFIS-IBD, and DFIS were strongly correlated with each other (r ≥ 0.90). The ability to discriminate between disease activity groups was highest for the FIS and MFIS-IBD, followed by the DFIS. The FIS, MFIS-IBD, and DFIS were responsive to changes in work impairment. CONCLUSIONS The FIS, MFIS-IBDs and DFIS had adequate validity and reliability for assessing fatigue in IBD.
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Affiliation(s)
- Ruth Ann Marrie
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
- Department of Community Health Sciences, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - John D Fisk
- Nova Scotia Health Authority, Departments of Psychiatry, Psychology & Neuroscience, and Medicine, Dalhousie University, Halifax, Canada
| | - Casandra Dolovich
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
- The University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Lisa M Lix
- Department of Community Health Sciences, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
- The University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Lesley A Graff
- Nova Scotia Health Authority, Departments of Psychiatry, Psychology & Neuroscience, and Medicine, Dalhousie University, Halifax, Canada
- The University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Scott B Patten
- Departments of Community Health Sciences & Psychiatry, Cumming School of Medicine, University of Calgary, Calgary, Canada
| | - Charles N Bernstein
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
- The University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
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Gnat L, Mihajlovic V, Jones K, Tripp DA. Differentiating Childhood Traumas in Inflammatory Bowel Disease. J Can Assoc Gastroenterol 2023; 6:172-178. [PMID: 37811528 PMCID: PMC10558189 DOI: 10.1093/jcag/gwad026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/10/2023] Open
Abstract
Background Inflammatory bowel disease is characterized by chronic inflammation of the gastrointestinal tract. Research on inflammatory bowel disease has shown a connection to childhood traumatic events. However, few studies have focused on specific types of traumatic experiences and the impact of confiding in others on disease-related outcomes. This comparative, cross-sectional study expected that: (1) patients would report higher prevalence rates of childhood traumas than healthy controls; (2) healthy controls would report fewer and less severe traumatic experiences than patients and less confiding in others compared to patients; (3) childhood trauma severity would be indirectly related to depressive symptoms through resilience and confiding in others would moderate this relationship. Methods Participants completed an online survey; an inflammatory bowel disease patient group (N = 195, Mage = 40.48, 76.4% female) was compared to a similarly recruited sample of healthy controls (N = 190, Mage = 31.16, 59.5% female). Results Patients reported a higher prevalence of experiencing sexual traumas (P = .031), major upheavals (i.e., disruptions) (P = .048), and violence (P = .050) than controls. Patients had significantly higher total trauma severity odds ratios (OR 0.89, 95% CI[0.81,0.97]) and significantly lower total confiding in other odds ratios than controls (OR 1.09, 95% CI[1.02,1.16]). Childhood trauma severity was indirectly related to depressive symptoms through resilience, b = .05, SE = 0.09, 95% CI[0.01,0.09]; however, confiding did not moderate this relationship. Conclusions Patients reported more sexual, disruptive, and violent traumas. Although confiding did not act as a moderator, trauma was related to depressive symptoms through resilience.
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Affiliation(s)
- Lauren Gnat
- Department of Psychology, Queen’s University, Kingston, Ontario, Canada
| | | | - Krista Jones
- Department of Psychology, Queen’s University, Kingston, Ontario, Canada
| | - Dean A Tripp
- Departments of Psychology, Anesthesiology and Urology Queen’s University, Kingston, Ontario, Canada
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7
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Mantzaris GJ. Editorial: symptoms predicting active intestinal inflammation in patients with IBD. Aliment Pharmacol Ther 2023; 57:165-166. [PMID: 36480722 DOI: 10.1111/apt.17281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Principles for Assessing Quality of Life in Patients With Crohn's Disease. Am J Gastroenterol 2022; 117:1952-1953. [PMID: 36455221 DOI: 10.14309/ajg.0000000000002002] [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] [Received: 08/11/2022] [Accepted: 08/23/2022] [Indexed: 12/11/2022]
Abstract
ABSTRACT Crohn's disease (CD) is a lifelong inflammatory bowel disease that can severely impact quality of life. Many questionnaires exist to assess quality of life for patients with CD, but some of these questionnaires were developed without qualitative data from patients or include only limited symptoms. Patient-Reported Impact of Symptoms in CD provides an innovative and patient-centered framework for assessing quality of life in patients with CD, soliciting qualitative data from patient interviews, and using this to guide a cross-sectional study. Their findings should inform how clinicians guide conversations with their patients regarding quality of life.
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Kulyk A, Shafer LA, Graff LA, Stone J, Witges K, Targownik LE, Bernstein CN. Urgency for bowel movements is a highly discriminatory symptom of active disease in persons with IBD (the Manitoba Living with IBD study). Aliment Pharmacol Ther 2022; 56:1570-1580. [PMID: 36225106 DOI: 10.1111/apt.17241] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/05/2022] [Accepted: 09/17/2022] [Indexed: 01/30/2023]
Abstract
BACKGROUND The Inflammatory Bowel Disease Symptom Inventory (IBDSI) is a validated patient self-reported measure used to assess IBD disease activity. There have yet to be more granular analyses on which symptoms are most associated with active disease. AIMS To assess the prevalence of symptoms, and to examine which are most associated with disease activity as measured by a symptom index and objective measure of inflammation METHODS: The Manitoba Living with IBD Study is a prospective study of 156 participants with confirmed IBD who completed bi-weekly IBDSI. Relative risks (RR) and predictive values (NPV and PPV) were reported for each symptom to predict active disease defined as active IBDSI, self-reported flare and elevated faecal calprotectin (FCAL) (>250 μg/g). Analyses were undertaken following stratification based on sex, and disease type (Crohn's disease [CD] and ulcerative colitis [UC]). RESULTS In total, 69.2% were female; 64.7% had CD. Fatigue was the most prevalent symptom in both inactive and active disease, across all three disease measures (IBDSI: 24.5% and 75.1%, self-reported flare: 42.2% and 72.2%, FCAL: 46.0% and 60.6%). The absence of fatigue had a high NPV for active IBDSI and self-reporting a flare in both CD and UC. Urgency had a consistently strong NPV and RR across all three disease measures in both IBD subtypes and sexes. The number of loose/liquid bowel movements predicted elevated FCAL in UC (RR males = 3.5, 95% CI 1.2-9.9, RR females = 1.8, 95% CI 1.2-2.7), as did blood in stool in UC females (RR = 1.8, 95% CI 1.2-2.7). In males with CD, excessive bowel gas (RR = 2.0, 95% CI 1.2-3.4) and urgency (RR = 3.9, 95% CI 1.6-9.3) best predicted an elevated FCAL. No symptom was strongly predictive of an elevated FCAL in CD females. CONCLUSIONS Urgency was consistently associated with disease activity, irrespective of the disease measure. Fatigue was the most prevalent symptom irrespective of disease activity measure. Individual symptoms have different impacts on subjective (IBDSI) and objective (FCAL) measures in IBD.
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Affiliation(s)
- Andrea Kulyk
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,University of Manitoba IBD Clinical and Research Centre, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Leigh Anne Shafer
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,University of Manitoba IBD Clinical and Research Centre, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Lesley A Graff
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,Department of Clinical Health Psychology, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - James Stone
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,University of Manitoba IBD Clinical and Research Centre, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Kelcie Witges
- University of Manitoba IBD Clinical and Research Centre, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Laura E Targownik
- University of Manitoba IBD Clinical and Research Centre, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Charles N Bernstein
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,University of Manitoba IBD Clinical and Research Centre, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
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Sunavsky A, Moreau J, Tripp DA. Understanding Perceived Stress in Adolescent Inflammatory Bowel Disease. J Can Assoc Gastroenterol 2022; 5:79-85. [PMID: 35368321 PMCID: PMC8972323 DOI: 10.1093/jcag/gwab036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Accepted: 08/28/2021] [Indexed: 12/12/2022] Open
Abstract
Background Inflammatory bowel disease (IBD) is a chronic and debilitating illness associated with psychosocial comorbidities. Adolescents are vulnerable to the additive stress of managing IBD and navigating developmental milestones. Psychosocial factors, such as catastrophizing, illness stigma, illness uncertainty, and illness-related shame, often contribute to perceived stress in chronic illnesses. However, the combination of these variables on perceived stress in adolescents with IBD has not been examined. Methods Participants completed a cross-sectional online self-report survey. Model 4 of PROCESS Macro in SPSS was used to test the parallel mediation model of the relationship between disease severity and perceived stress using catastrophizing, stigma, uncertainty, and shame as mediators using 10,000 bootstrap samples. T-tests were run to assess systematic differences in the dependent variable between subjects. Results One hundred and thirty-one adolescents (Mage = 18.95 years; 100 females) completed the survey. Females had higher stress scores than males (P =0.002), and there were no difference in stress between younger and older participants (P = 0.085), location (P = 0.484), or IBD type (P = 0.515). The total effect of disease stress on perceived stress operating through the mediators was significant, b = 0.168, SE = 0.028, 95% CI [0.112, 0.224]. Helplessness catastrophizing, illness uncertainty, and illness-related shame, but not illness stigma, were equally strong, positive mediators. Conclusions The present results suggest that helplessness catastrophizing, illness uncertainty, and illness-related shame are central elements to target in stress interventions for adolescents with IBD.
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Affiliation(s)
- Adam Sunavsky
- Department of Psychology, Queen's University, Kingston, Ontario, Canada
| | - Julia Moreau
- Department of Psychology, Queen's University, Kingston, Ontario, Canada
| | - Dean A Tripp
- Departments of Psychology, Anesthesiology and Urology, Queen's University, Kingston, Ontario, Canada
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Nistor OI, Godfrey C, Ross-White A, Wilson R. Systematic Review and Meta-analysis on the Incidence, Prevalence and Determinants of Discomfort in Inflammatory Bowel Disease. J Can Assoc Gastroenterol 2022; 5:96-97. [PMID: 35368319 PMCID: PMC8972280 DOI: 10.1093/jcag/gwab043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 10/25/2021] [Indexed: 11/16/2022] Open
Abstract
Background The symptom burden in inflammatory bowel disease (IBD) has a significant negative impact on the health-related quality of life (HRQOL). Patients with IBD report physical, psychological and social discomfort even during remission. Aim To synthesize the best available evidence to determine the worldwide incidence, prevalence and determinants of discomfort in adults with inflammatory bowel disease (IBD). Methods Following PRISMA recommendations, we searched the Medline, CINAHL, PsycInfo, Embase, Cochrane, Campbell and JBI Evidence Synthesis databases for studies on either incidence or prevalence of discomfort in English until January 2021. Data were extracted using the Joanna Briggs Institute’s standardized extraction tools. Data that directly reported or could be used to calculate the incidence and prevalence of discomfort were extracted. Ten studies were eligible for inclusion in this review. Overall, the methodological quality of the included studies was considered moderate. Data measuring the incidence of discomfort in 6 out of 10 identified studies using the same measurement tool (EQ-5D) were pooled in a meta-analysis. Additional results have been presented in a narrative form, including tables. Results There is no standardized definition or tool utilized to describe or measure discomfort in IBD. Synthesized findings demonstrate that discomfort is prevalent among adults living with IBD. Determinants of discomfort included health literacy, disease activity, hospitalization/surgery, age and gender, delayed diagnosis, local practice standards and quality of IBD care. Conclusions More research is needed to identify the impact of discomfort on health-related outcomes for people with IBD and consequently appraise discomfort interventions for their efficacy.
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Affiliation(s)
- Oana-Irina Nistor
- Faculty of Health Sciences, School of Nursing, Queen’s University, Kingston, Ontario, Canada
| | - Christina Godfrey
- Faculty of Health Sciences, School of Nursing, Queen’s University, Kingston, Ontario, Canada
- Queen’s Collaboration for Health Care Quality: A JBI Centre of Excellence, Queen’s University, Kingston, Ontario, Canada
| | - Amanda Ross-White
- Faculty of Health Sciences, School of Nursing, Queen’s University, Kingston, Ontario, Canada
- Queen’s University Library, Kingston, Ontario, Canada
| | - Rosemary Wilson
- Faculty of Health Sciences, School of Nursing, Queen’s University, Kingston, Ontario, Canada
- Queen’s Collaboration for Health Care Quality: A JBI Centre of Excellence, Queen’s University, Kingston, Ontario, Canada
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Telemedicine Is an Effective Tool to Monitor Disease Activity in IBD Patients in the COVID-19 Era: A Single Centre Experience Based on Objective Data. GASTROENTEROLOGY INSIGHTS 2022. [DOI: 10.3390/gastroent13010013] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Background: The COVID-19 outbreak has led IBD clinics to adopt a remote monitoring approach in order to guarantee an adequate follow-up of patients with inflammatory bowel disease (IBD) and ensure the rules of social distancing. Aim: The aim of the study was to perform a survey on IBD patients who underwent remote monitoring in our tertiary referral center, to assess adherence, patients’ perceptions and satisfaction, and finally their opinions for future monitoring. Furthermore, we evaluated changes in disease activity and Quality of Life (QoL) using validated questionnaires. Methods: Consecutive patients with IBD scheduled for follow-up visits were switched to remote monitoring through e-mail from March 2020 to February 2021. Patients were asked to complete a questionnaire focusing on the following elements of the intervention: (1) self-assessment questions, (2) action plans, and (3) educational messages. Results: Four hundred and twenty four Caucasian patients completed the survey. 233 (55.1%) were male, 220 (52.0%) had Crohn’s Disease (CD). Median baseline Mayo Score and Harvey Bradshaw Index were 3 and 4, respectively. 9 (2.1%) patients were referred to the emergency department because of disease flares. 410 (96.9%) patients were satisfied with telemedicine, and 320 (76.5%) patients reported that they would maintain this approach also after COVID-19 pandemic. Overall, on univariate logistic regression analysis, none of the variables were related to patients’ satisfaction or to an improved QoL. The presence of ulcerative colitis was associated with the need for treatment change. Conclusions: Our results suggest that a telemedicine approach is well accepted by patients with IBD and could represent an effective tool in monitoring disease activity. Further controlled studies are warranted to properly assess if telemedicine can replace face-to-face consultations in IBD.
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Stone JK, Shafer LA, Graff LA, Witges K, Sexton K, Lix LM, Haviva C, Targownik LE, Bernstein CN. The association of efficacy, optimism, uncertainty and health anxiety with inflammatory bowel disease activity. J Psychosom Res 2022; 154:110719. [PMID: 35065327 DOI: 10.1016/j.jpsychores.2022.110719] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 01/02/2022] [Accepted: 01/06/2022] [Indexed: 12/19/2022]
Abstract
OBJECTIVE Positive and negative psychological attributes have been shown to influence disease outcomes in many chronic health conditions. We aimed to evaluate the association between self-efficacy, optimism, health anxiety and intolerance of uncertainty and disease activity in inflammatory bowel disease (IBD). METHODS Adults with confirmed and recently active IBD enrolled in a prospective cohort study. Demographics, disease information, validated measures of psychological functioning related to general self-efficacy, optimism, health anxiety and intolerance of uncertainty were collected at baseline, week 26 and week 52. Clinical disease activity was assessed using the Inflammatory Bowel Disease Symptom Inventory (IBDSI), self-reported flares, and intestinal inflammation using fecal calprotectin (FCAL), collected at baseline, weeks 26 and 52. Generalized estimating equations were used to test the association between psychological functioning and disease activity. RESULTS Participants' (n = 154) mean age was 43.4 years (SD 12.5), 69.5% were women and 64.1% had Crohn's disease. Adjusting for demographic variables, higher self-efficacy was associated with lower likelihood of flare by self-report (odds ratio [OR] 0.80, 95% confidence interval [CI] 0.71, 0.91) and IBDSI (OR 0.89, 95% CI 0.80, 0.99), while higher health anxiety was associated with greater likelihood of flare by self-report (OR 1.07, 95% CI 1.01, 1.18) and higher symptomatic disease activity (IBDSI; OR 1.14, 95% CI 1.05, 1.24). The psychological attributes were not significantly associated with active disease as measured by inflammation (FCAL). CONCLUSION General self-efficacy and health anxiety are relevant in understanding patient experience with disease activity, and may be appropriate targets for psychological intervention in the care of individuals with IBD.
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Affiliation(s)
- James K Stone
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada; University of Manitoba IBD Clinical and Research Centre, Winnipeg, MB, Canada
| | - Leigh Anne Shafer
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada; University of Manitoba IBD Clinical and Research Centre, Winnipeg, MB, Canada
| | - Lesley A Graff
- University of Manitoba IBD Clinical and Research Centre, Winnipeg, MB, Canada; Department of Clinical Health Psychology, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Kelcie Witges
- University of Manitoba IBD Clinical and Research Centre, Winnipeg, MB, Canada
| | - Kathryn Sexton
- University of Manitoba IBD Clinical and Research Centre, Winnipeg, MB, Canada; Department of Clinical Health Psychology, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Lisa M Lix
- University of Manitoba IBD Clinical and Research Centre, Winnipeg, MB, Canada; Department of Community Health Sciences, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada
| | - Clove Haviva
- University of Manitoba IBD Clinical and Research Centre, Winnipeg, MB, Canada
| | - Laura E Targownik
- University of Manitoba IBD Clinical and Research Centre, Winnipeg, MB, Canada; Division of Gastroenterology, Mount Sinai Hospital, University of Toronto, Toronto, Ontaio, Canada
| | - Charles N Bernstein
- Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB, Canada; University of Manitoba IBD Clinical and Research Centre, Winnipeg, MB, Canada.
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Vagianos K, Shafer LA, Witges K, Graff LA, Targownik LE, Bernstein CN. Self-reported flares among people living with IBD are associated with stress and worry but not associated with recent diet changes: The Manitoba Living with IBD Study. JPEN J Parenter Enteral Nutr 2022; 46:1686-1698. [PMID: 35147990 DOI: 10.1002/jpen.2349] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 01/07/2022] [Accepted: 02/07/2022] [Indexed: 11/07/2022]
Abstract
BACKGROUND In this matched case-control longitudinal study among people living with inflammatory bowel disease (IBD), we investigated beliefs about what triggers a flare. METHODS Adults with confirmed IBD and active disease within 2 years were enrolled in the Manitoba Living with IBD Study and followed biweekly with online surveys for 1 year. The 7-point IBD Symptom Change Indicator was used for participant identification of a flare. Flare cases were matched to non-flare controls by sex and disease type. Members of each matched pair completed supplemental information on diet changes and psychological functioning in the previous two weeks, and provided stool samples to assess fecal calprotectin (FCAL). RESULTS Of 128 enrolled participants, 95 matched flare/non-flare pairs were created. Those reporting a flare were more likely to have elevated FCAL (51% vs 34% among non-flares, p=0.043). Although 61% of study participants believed at baseline that a food may trigger flares, and 25% of those in a flare believed that a food may have triggered their current flare, there was no difference in consumption of assessed foods between flares and non-flares in the previous two weeks. Flares were more likely to be having difficulties in emotional state than controls (40% vs 18%, p=0.001) and more likely to be stressed or worried (64% vs 33%, p=0.001). CONCLUSION While a majority of individuals with IBD believe that specific foods trigger their disease flares, this was not supported by the current findings. Recent psychological functioning was associated with self-reported IBD flare. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Kathy Vagianos
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,Department of Nutrition and Food Services, Health Sciences Centre, Winnipeg, Manitoba, Canada
| | - Leigh Anne Shafer
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Kelcie Witges
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Lesley A Graff
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,Department of Clinical Health Psychology Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Laura E Targownik
- Division of Gastroenterology, Department of Medicine, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Charles N Bernstein
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada.,Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
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15
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Dolovich C, Shafer LA, Vagianos K, Witges K, Targownik LE, Bernstein CN. The complex relationship between diet, symptoms, and intestinal inflammation in persons with inflammatory bowel disease: The Manitoba Living With IBD Study. JPEN J Parenter Enteral Nutr 2021; 46:867-877. [PMID: 34435688 DOI: 10.1002/jpen.2257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND We aimed to examine whether an association exists between diet quality, based on the Prospective Urban Rural Epidemiology (PURE) Healthy Diet Score (HDS), and active inflammatory bowel disease (IBD). METHODS Participants were drawn from the Manitoba Living With IBD Study cohort. The Harvard Food Frequency Questionnaire (FFQ) was used to calculate the HDS at two time points: baseline and 1-year follow-up. Using generalized estimating equations (GEE) logistic regression, we assessed the association between the HDS and (1) the IBD Symptom Inventory (IBDSI); (2) intestinal inflammation, measured by fecal calprotectin (FCAL); and (3) self-reported IBD flares. RESULTS There were 294 completed FFQs among 153 people. Of these, 100% had completed data about an IBD flare, 98% had FCAL measurements, and 96% had completed IBDSI scores. On a HDS scoring method of 0-8, the odds of FCAL >250 mcg/g were lower for participants with a HDS of 4 vs 0-3 (adjusted odds ratio [OR], 0.38; 95% CI, 0.19-0.77). When applying a second HDS scoring method (8-40), the odds of having an IBD flare were 3.6 times greater with a HDS between 21 and 24 compared with an HDS ≤20 (adjusted OR, 3.63; 95% CI, 1.03-12.78). CONCLUSIONS We found that active inflammation was less likely among those with a moderate HDS , whereas symptomatic IBD flares were more likely. People may choose to consume a moderate amount of healthy foods such as fruits and vegetables, even knowing that those foods may cause a symptomatic flare.
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Affiliation(s)
- Casandra Dolovich
- Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Leigh Anne Shafer
- Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Kathy Vagianos
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg, Manitoba, Canada.,Department of Nutrition and Food Services, Health Sciences Centre, Winnipeg, Manitoba, Canada
| | - Kelcie Witges
- University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Laura E Targownik
- Division of Gastroenterology and Hepatology, Department of Medicine, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Charles N Bernstein
- Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada.,University of Manitoba IBD Clinical and Research Centre, University of Manitoba, Winnipeg, Manitoba, Canada
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16
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Witges K, Sexton K, Graff LA, Targownik LE, Lix LM, Haviva C, Stone J, Shafer LA, Vagianos K, Bernstein CN. What Is a Flare? The Manitoba Living With IBD Study. Inflamm Bowel Dis 2021; 28:862-869. [PMID: 34347048 PMCID: PMC9165552 DOI: 10.1093/ibd/izab192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND Flare is a poorly defined term used by patients and clinicians to indicate inflammatory bowel disease (IBD) status. This study aimed to evaluate the validity of a single-item 7-point flare indicator relative to other measures of disease flare. METHODS The longitudinal Manitoba Living with IBD Study followed persons with IBD for 1 year; they completed biweekly online surveys and provided 3 stool samples. Disease flare on a single-item flare indicator with 7 possible responses developed for the study was defined by report of symptoms as "moderately" or "much" worse. The flare indicator was evaluated against 5 measures of disease activity: fecal calprotectin score (FCAL), a 2-point disease status indicator, a 4-point flare certainty indicator, the IBD Symptom Index short form (SIBDSI), and the short form IBD Questionnaire (SIBDQ). Participants in a flare, based on the 7-point measure, were matched to a nonflaring participant, and a stool sample was collected. RESULTS Of the 155 IBD participants, almost half (n = 74) experienced a flare. Of those who flared, 97.0% endorsed active IBD on the 2-point indicator (controls 42.5%; P < .001); 91.9% endorsed active IBD on the 4-point certainty indicator (controls 32.9%; P < .001); 90.5% endorsed active disease on the SIBDSI (controls 34.2%; P < .001); and 48.5% had an elevated FCAL (controls 34.3%; P < .05). The mean SIBDQ was lower for the flare group compared with controls (43.9 [SD 11.1] vs 58.3 [SD 8.5]; P < .001), indicating worse disease. CONCLUSIONS The 7-point flare indicator robustly identified symptomatic flares. This patient self-report indicator reflected meaningful changes in more complex clinical indices and had only weak concordance with the presence of inflammation.
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Affiliation(s)
- Kelcie Witges
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Kathryn Sexton
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Lesley A Graff
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada,Department of Clinical Health Psychology Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Laura E Targownik
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada,Division of Gastroenterology and Hepatology, Mount Sinai Hospital, University of Toronto, Ontario, Canada
| | - Lisa M Lix
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada,Department of Community Health Sciences, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Clove Haviva
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - James Stone
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada,Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Leigh Anne Shafer
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada,Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada
| | - Kathy Vagianos
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada,Department of Nutrition and Food Services, Health Sciences Centre, Winnipeg, Canada
| | - Charles N Bernstein
- University of Manitoba IBD Clinical and Research Centre, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada,Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Canada,Address correspondence to: Charles N. Bernstein, MD, 804F-715 McDermot Avenue, Winnipeg, Manitoba, Canada R3E3P4 ()
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17
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Veloso PM, Machado R, Nobre C. Mesalazine and inflammatory bowel disease - From well-established therapies to progress beyond the state of the art. Eur J Pharm Biopharm 2021; 167:89-103. [PMID: 34329709 DOI: 10.1016/j.ejpb.2021.07.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/16/2021] [Accepted: 07/22/2021] [Indexed: 01/14/2023]
Abstract
Inflammatory bowel disease incidence has been constantly rising for the past few decades. Current therapies attempt to mitigate its symptoms since no cure is established. The most commonly prescribed drug for these patients is 5-aminosalicylic acid (5-ASA). Due to the low rate and seriousness of side effects compared to other therapies, 5-ASA is still largely prescribed in many stages of inflammatory bowel disease, including scenarios where evidence suggests low effectiveness. Although commercialized formulations have come a long way in improving pharmacokinetics, it is still necessary to design and develop novel delivery systems capable of increasing effectiveness at different stages of the disease. In particular, micro- and nano-sized particles might be the key to its success in Crohn's disease and in more serious disease stages. This review provides an overview on the clinical significance of 5-ASA formulations, its limitations, challenges, and the most recent micro- and nanoparticle delivery systems being designed for its controlled release. Emergent alternatives for 5-ASA are also discussed, as well as the future prospects for its application in inflammatory bowel disease therapies.
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Affiliation(s)
- Pedro M Veloso
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Raul Machado
- CBMA - Centre of Molecular and Environmental Biology, Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; IB-S - Institute of Science and Innovation for Sustainability, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
| | - Clarisse Nobre
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
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18
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Trindade IA, Sirois FM. The prospective effects of self-compassion on depressive symptoms, anxiety, and stress: A study in inflammatory bowel disease. J Psychosom Res 2021; 146:110429. [PMID: 33810862 DOI: 10.1016/j.jpsychores.2021.110429] [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: 10/26/2020] [Revised: 03/11/2021] [Accepted: 03/13/2021] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To date, research with people with inflammatory bowel disease (IBD) has only examined how self-compassion is linked with stress, and have exclusively used cross-sectional designs. This study aims to examine the associations of self-compassion with depressive symptoms, anxiety, and stress in people with IBD over time. METHODS Participants were 155 adults with IBD who completed the SCS and the DASS-21 at two different times, spaced 9 months apart. The study design is longitudinal: three separate hierarchical regression models were conducted to examine whether self-compassion at baseline predicted depressive symptoms, anxiety, and stress measured at follow-up, while controlling for the effects of baseline IBD symptomatology and the respective outcome. RESULTS Participants who had IBD for a longer period of time presented higher levels of self-compassion. Self-compassion at baseline predicted lower follow-up levels of depressive symptoms (β = -0.17, p = 0.015), anxiety (β = -0.15, p = 0.032), and stress (β = -0.26, p = 0.001), even in the presence of baseline levels of IBD symptomatology and the outcome. Isolation (as opposed to common humanity) was the most relevant self-compassion component for explaining higher depression levels, while the mindfulness component was important for explaining lower anxiety and stress. CONCLUSIONS This study is the first to demonstrate the prospective effects of self-compassion on mental health indicators in IBD. Given these findings, and previous evidence on the high comorbidity of depression and anxiety and frequent self-report of illness shame and self-criticism in this population, compassion-based interventions may be particularly beneficial for improving well-being in people with IBD.
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Affiliation(s)
- Inês A Trindade
- CINEICC (Center for Research in Neuropsychology and Cognitive Behavioral Intervention), Faculty of Psychology and Education Sciences, University of Coimbra, Portugal.
| | - Fuschia M Sirois
- Department of Psychology, The University of Sheffield, United Kingdom
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19
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Huang Q, Zhang X, Hu Z. Application of Artificial Intelligence Modeling Technology Based on Multi-Omics in Noninvasive Diagnosis of Inflammatory Bowel Disease. J Inflamm Res 2021; 14:1933-1943. [PMID: 34017190 PMCID: PMC8131075 DOI: 10.2147/jir.s306816] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 04/21/2021] [Indexed: 12/26/2022] Open
Abstract
Purpose Inflammatory bowel disease (IBD) is difficult to diagnose and classify. The purpose of this study is to establish an artificial intelligence model based on fecal multi-omics data for multi-classification diagnosis of IBD and its subtypes. Materials and Methods A total of 299 clinical cohort studies were included in this study, including 86 healthy people, 140 CD patients and 73 UC patients. Based on the idea of hierarchical modeling for different groups, we model the total population and the groups with self-evaluation of "very well" and "slightly below par", respectively. The original total features were fecal multi-omics data, including metagenomics, metatranscriptomics, proteomics, metabolomics, viromics, faecal calprotectin. The importance, collinearity and other feature engineering methods were used to evaluate the features. Finally, three individualized diagnosis models with less features and high accuracy were obtained. Results First, we screened 111 features to form the optimal feature set for the total population and established a three-classification individual diagnosis model with AUC of 0.83, which can simultaneously diagnose health, CD and UC. Secondly, according to the hierarchical modeling of the total population, we established two models for population with different self-evaluation. For "very well" population, we screened 59 features and established a three-classification diagnostic model with AUC of 0.85. For the self-evaluation population with "slightly below par", we finally included 22 features and established a three-classification diagnostic model with AUC of 0.84. Only metabolomics and metatranscriptomics features were included in the optimal feature sets. Conclusion This study provides a valuable method for high accuracy, noninvasive diagnosis and subtype identification of IBD patients. Researchers can choose biomarkers in different models according to different self-evaluation of patients. Simple noninvasive fecal sampling can be used to detect metabolomics and metatranscriptomics data, thus replacing the tedious and painful clinical colonoscopy and biopsy procedures.
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Affiliation(s)
- Qiongrong Huang
- Fujian Provincial Key Laboratory of Brain Aging and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, 350108, Fujian Province, People's Republic of China.,CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, People's Republic of China
| | - Xiuli Zhang
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, People's Republic of China
| | - Zhiyuan Hu
- Fujian Provincial Key Laboratory of Brain Aging and Neurodegenerative Diseases, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, 350108, Fujian Province, People's Republic of China.,CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology of China, Beijing, 100190, People's Republic of China.,School of Nanoscience and Technology, Sino-Danish College, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China.,School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430205, People's Republic of China
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20
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Levy-Shraga Y, Megnazi O, Modan-Moses D, Tripto-Shkolnik L, Gruber N, Haberman Y, Shouval DS, Weiss B. Trabecular Bone Score in Children and Adolescents With Inflammatory Bowel Diseases. J Clin Densitom 2021; 24:243-251. [PMID: 33189561 DOI: 10.1016/j.jocd.2020.10.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 10/18/2020] [Accepted: 10/20/2020] [Indexed: 01/08/2023]
Abstract
INTRODUCTION Trabecular bone score (TBS) is a textural index that evaluates bone microarchitecture of the lumbar spine. Our aim was to assess TBS in children with inflammatory bowel diseases and to evaluate correlations with clinical, laboratory and densitometric variables. METHODS A retrospective study of TBS and areal bone mineral density measurements by dual-energy X-ray absorptiometry (DXA) of children with either Crohn's disease (CD) or ulcerative colitis (UC). Bone mineral apparent density was calculated for size adjustment. TBS Z-score for each child were calculated based on data from a healthy population of similar age and gender distribution. Variables significantly associated with TBS were included in stepwise linear regression models to examine independent predictors of TBS. RESULTS Fifty patients (age at DXA scan 13.8 ± 3.0 years, 29 males) were included. No significant differences were observed between the patients with CD and UC, in age at diagnosis, age at DXA scan and disease duration. The mean TBS of patients with CD (n = 35) was lower than of patients with UC (n = 15): 1.340 ± 0.080 vs 1.395 ± 0.092, p = 0.040. The mean TBS Z-score of patients with CD, -0.443 ± 0.788, was significantly lower than expected in healthy children (p = 0.002), while the mean TBS Z-score of patients with UC, 0.231 ± 0.685, was similar to that of healthy children (p = 0.212). In the stepwise linear regression analysis, BMI Z-score at diagnosis, phosphorus level at diagnosis and age at the time of the DXA scan were significant independent predictors of TBS (r² = 0.604; β = 0.037, 95% confidence interval (CI) for β 0.022-0.051, p < 0.001; β = 0.045, 95% CI: 0.017-0.073, p = 0.002; and β = 0.031, 95% CI: 0.005-0.021, p < 0.002, respectively). CONCLUSIONS TBS is significantly reduced in pediatric patients with CD but not in patients with UC. This finding likely reflects the effect of CD on bone microarchitecture.
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Affiliation(s)
- Yael Levy-Shraga
- Pediatric Endocrinology and Diabetes Unit, The Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Tel-Hashomer, Israel; The Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
| | - Ophir Megnazi
- The Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Dalit Modan-Moses
- Pediatric Endocrinology and Diabetes Unit, The Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Tel-Hashomer, Israel; The Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Liana Tripto-Shkolnik
- The Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Division of Endocrinology, Diabetes and Metabolism, Sheba Medical Center, Tel-Hashomer, Israel
| | - Noah Gruber
- Pediatric Endocrinology and Diabetes Unit, The Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Tel-Hashomer, Israel; The Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Yael Haberman
- The Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Division of Pediatric Gastroenterology and Nutrition, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Tel Hashomer, Israel
| | - Dror S Shouval
- The Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Division of Pediatric Gastroenterology and Nutrition, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Tel Hashomer, Israel
| | - Batia Weiss
- The Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; Division of Pediatric Gastroenterology and Nutrition, Edmond and Lily Safra Children's Hospital, Sheba Medical Center, Tel Hashomer, Israel
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21
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van Andel EM, Koopmann BDM, Crouwel F, Noomen CG, de Boer NKH, van Asseldonk DP, Mokkink LB. Systematic Review of Development and Content Validity of Patient-reported Outcome Measures in Inflammatory Bowel Disease: Do We Measure What We Measure? J Crohns Colitis 2020; 14:1299-1315. [PMID: 32211749 PMCID: PMC7493218 DOI: 10.1093/ecco-jcc/jjaa057] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND AND AIMS Patient-reported outcome measures are increasingly important in daily care and research in inflammatory bowel disease [IBD]. This study provides an overview of the content and content validity of IBD-specific patient-reported outcome measures on three selected constructs. METHODS Databases were searched up to May 2019 for development and/or content validity studies on IBD-specific self-report measures on health-related quality of life, disability, and self-report disease activity in adults. Evidence was synthesised on content validity in three aspects: relevance, comprehensiveness, and comprehensibility following the COnsensus-based Standards for the selection of health Measurement INstruments methodology. Questionnaire items were organised in themes to provide an overview of important aspects of these constructs. RESULTS For 14/44 instruments, 25 content validity studies were identified and 25/44 measures had sufficient content validity, the strongest evidence being of moderate quality, though most evidence is of low or very low quality. The Crohn's Life Impact Questionnaire and IBD questionnaire-32 on quality of life, the IBD-Control on disease activity, and the IBD Disability Index Self-Report and its 8-item version on disability, have the strongest evidence of sufficient relevance, comprehensiveness, and comprehensibility, ranging from moderate to very low quality. A fair number of recurring items themes, possibly important for the selected constructs, was identified. CONCLUSIONS The body of evidence for content validity of IBD-specific health-related quality of life, self-report disease activity, and disability self-report measures is limited. More content validity studies should be performed after reaching consensus on the constructs of interest for IBD, and studies should involve patients.
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Affiliation(s)
- Emma M van Andel
- Department of Gastroenterology and Hepatology, Noordwest Ziekenhuisgroep, Alkmaar, The Netherlands
| | - Brechtje D M Koopmann
- Department of Gastroenterology and Hepatology, Noordwest Ziekenhuisgroep, Alkmaar, The Netherlands
| | - Femke Crouwel
- Department of Gastroenterology and Hepatology, Noordwest Ziekenhuisgroep, Alkmaar, The Netherlands
| | - Casper G Noomen
- Department of Gastroenterology and Hepatology, Noordwest Ziekenhuisgroep, Alkmaar, The Netherlands
| | - Nanne K H de Boer
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Gastroenterology and Hepatology, Amsterdam; Gastroenterology and Metabolism Research Institute, Amsterdam, The Netherlands
| | - Dirk P van Asseldonk
- Department of Gastroenterology and Hepatology, Noordwest Ziekenhuisgroep, Alkmaar, The Netherlands
| | - Lidwine B Mokkink
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Epidemiology and Biostatistics; Amsterdam Public Health Research Institute, Amsterdam, The Netherlands
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22
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Hansen TM, Sabourin BC, Oketola B, Bernstein CN, Singh H, Targownik LE. Cannabis Use in Persons With Inflammatory Bowel Disease and Vulnerability to Substance Misuse. Inflamm Bowel Dis 2020; 26:1401-1406. [PMID: 31725152 DOI: 10.1093/ibd/izz272] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND It is unknown whether cannabis users self-medicating their inflammatory bowel disease (IBD) symptoms are more likely to have comorbid mental health or personality risk factors associated with an increased potential for substance misuse compared with recreational cannabis users. METHODS We surveyed individuals with IBD about their cannabis use, their mental health symptoms, and personality risk factors associated with substance misuse. We compared risk factors for substance misuse between individuals using cannabis to manage IBD symptoms and those using cannabis recreationally. RESULTS Of 201 persons with IBD who completed the questionnaire, 108 reported lifetime cannabis use. Of those, a larger proportion of Crohn's disease patients used cannabis to manage IBD symptoms (53% [34/64] vs 28% [12/43]; P = 0.010). Individuals self-medicating with cannabis were more likely to use cannabis for coping reasons (P = 0.016) and demonstrated higher levels of impulsivity (P = 0.004) and depressive symptoms (P = 0.012) when compared with individuals using cannabis recreationally. Logistic regression revealed that cannabis was 4.1 times (P = 0.05) and 3.7 times (P = 0.05) more likely to be used for IBD symptoms by smokers and individuals with moderate-severe depressive symptoms, respectively. Individuals high in impulsivity were 4.1 times more likely to use cannabis for their IBD symptoms than those low in impulsivity (P = 0.005). CONCLUSIONS Persons with IBD self-medicating with cannabis have characteristics associated with increased vulnerability to substance misuse when compared with those using cannabis recreationally. Screening for mental health comorbidities and vulnerability to substance misuse should be undertaken if cannabis is to be used to treat IBD symptoms.
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Affiliation(s)
- Tawnya M Hansen
- Section of Gastroenterology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Brigitte C Sabourin
- Department of Clinical Health Psychology, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Banke Oketola
- Section of Gastroenterology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Charles N Bernstein
- Section of Gastroenterology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada.,University of Manitoba IBD Clinical and Research Centre, Winnipeg, Manitoba, Canada
| | - Harminder Singh
- Section of Gastroenterology, Department of Internal Medicine, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Laura E Targownik
- Division of Gastroenterology, University of Toronto, Mount Sinai Hospital, Toronto, Ontario, Canada
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23
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Stone JK, Shafer LA, Graff LA, Lix L, Witges K, Targownik LE, Haviva C, Sexton K, Bernstein CN. Utility of the MARS-5 in Assessing Medication Adherence in IBD. Inflamm Bowel Dis 2020; 27:317-324. [PMID: 32195533 PMCID: PMC7885329 DOI: 10.1093/ibd/izaa056] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Indexed: 12/11/2022]
Abstract
INTRODUCTION We aimed to validate the Medication Adherence Report Scale-5 (MARS-5) as a tool for assessing medication adherence in inflammatory bowel disease (IBD) and to determine predictors of medication adherence. METHODS One hundred twelve (N = 112) adults with confirmed IBD participating in the longitudinal Manitoba Living With IBD Study were eligible. Demographics, IBD type, surgeries, disease activity (using the Inflammatory Bowel Disease Symptom Inventory and fecal calprotectin levels), perceived stress, and medication use were collected biweekly through online surveys. The MARS-5 scores were obtained at baseline and at 1 year. Correlation between medication monitoring data and MARS-5 scores was performed and the optimal MARS-5 cutoff point for adherence assessment determined. Predictors of medication adherence were assessed at both ≥90% and ≥80%. RESULTS Participants were predominantly female (71.4%), mean age was 42.9 (SD = 12.8), and the majority (67.9%) had Crohn disease (CD). Almost half (46.4%) were taking more than 1 IBD medication, with thiopurines (41.9%) and biologics (36.6%) the most common. Only 17.9% (n = 20) were nonadherent at a <90% level; of those, 90% (n = 18) were using oral medications. The MARS-5 was significantly associated with adherence based on medication monitoring data at baseline (r = 0.48) and week 52 (r = 0.57). Sensitivity and specificity for adherence ≥80% and ≥90% were maximized at MARS-5 scores of >22 and >23, respectively. Having CD (OR = 4.62; 95% confidence interval, 1.36-15.7) was the only significant predictor of adherence. CONCLUSION MARS-5 is a useful measure to evaluate adherence in an IBD population. In this highly adherent sample, disease type (CD) was the only predictor of medication adherence.
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Affiliation(s)
- James K Stone
- University of Manitoba Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, Winnipeg, Manitoba, Canada,University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre, Winnipeg, Manitoba, Canada
| | - Leigh Anne Shafer
- University of Manitoba Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, Winnipeg, Manitoba, Canada,University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre, Winnipeg, Manitoba, Canada
| | - Lesley A Graff
- University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre, Winnipeg, Manitoba, Canada,University of Manitoba Department of Clinical Health Psychology, Max Rady College of Medicine, Rady Faculty of Health Sciences, Winnipeg, Manitoba, Canada
| | - Lisa Lix
- University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre, Winnipeg, Manitoba, Canada,University of Manitoba Department of Community Health Sciences, Max Rady College of Medicine, Rady Faculty of Health Sciences, Winnipeg, Manitoba, Canada
| | - Kelcie Witges
- University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre, Winnipeg, Manitoba, Canada
| | - Laura E Targownik
- University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre, Winnipeg, Manitoba, Canada,University of Toronto, Department of Medicine, Toronto, Ontario, Canada
| | - Clove Haviva
- University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre, Winnipeg, Manitoba, Canada
| | - Kathryn Sexton
- University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre, Winnipeg, Manitoba, Canada
| | - Charles N Bernstein
- University of Manitoba Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, Winnipeg, Manitoba, Canada,University of Manitoba Inflammatory Bowel Disease Clinical and Research Centre, Winnipeg, Manitoba, Canada,Address correspondence to: Charles N. Bernstein, MD, 804F-715 McDermot Avenue, University of Manitoba, Winnipeg, MB R3E3P4 ()
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24
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Mihajlovic V, Tripp DA, Jacobson JA. Modelling symptoms to suicide risk in individuals with inflammatory bowel disease. J Health Psychol 2020; 26:2143-2152. [PMID: 32033518 DOI: 10.1177/1359105320904750] [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] [Indexed: 11/16/2022] Open
Abstract
Given that suicidal behaviour is a pressing concern in inflammatory bowel disease populations, this study sought to model the sequence of variables that lead to its development. Participants (n = 282) completed online self-report questionnaires regarding predictors of suicidal behaviour. A cross-sectional model of the progression from symptoms to suicide risk revealed that biomedical variables were significantly associated with psychosocial predictors of suicidal behaviour, which were significantly related to theory-driven predictors of suicidal behaviour, which were ultimately associated with suicide risk. Evidently, interventions need to target distal predictors of suicidal behaviour to mitigate harmful downstream effects.
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25
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The Role of MicroRNAs upon Epithelial-to-Mesenchymal Transition in Inflammatory Bowel Disease. Cells 2019; 8:cells8111461. [PMID: 31752264 PMCID: PMC6912477 DOI: 10.3390/cells8111461] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 11/03/2019] [Accepted: 11/18/2019] [Indexed: 02/06/2023] Open
Abstract
Increasing evidence suggest the significance of inflammation in the progression of cancer, for example the development of colorectal cancer in Inflammatory Bowel Disease (IBD) patients. Long-lasting inflammation in the gastrointestinal tract causes serious systemic complications and breaks the homeostasis of the intestine, where the altered expression of regulatory genes and miRNAs trigger malignant transformations. Several steps lead from acute inflammation to malignancies: epithelial-to-mesenchymal transition (EMT) and inhibitory microRNAs (miRNAs) are known factors during multistage carcinogenesis and IBD pathogenesis. In this review, we outline the interactions between EMT components and miRNAs that may affect cancer development during IBD.
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26
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Long MD. A Novel Index to Measure Patient-Reported Outcomes in Clinical Practice and Research: The Inflammatory Bowel Disease Symptom Inventory-Ready for Prime Time? Inflamm Bowel Dis 2019; 25:1291-1292. [PMID: 31219158 DOI: 10.1093/ibd/izz041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Indexed: 12/09/2022]
Affiliation(s)
- Millie D Long
- Division of Gastroenterology and Hepatology and Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
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