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Martínez-González AE, Cervin M, Pérez-Sánchez S. Assessing gastrointestinal symptoms in people with autism: Applying a new measure based on the Rome IV criteria. Dig Liver Dis 2024:S1590-8658(24)00777-1. [PMID: 38851976 DOI: 10.1016/j.dld.2024.05.019] [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] [Received: 01/12/2024] [Revised: 05/16/2024] [Accepted: 05/18/2024] [Indexed: 06/10/2024]
Abstract
BACKGROUND People with autism spectrum disorder (ASD) often struggle with gastrointestinal symptoms, implicating alterations of the gut-microbiota-brain axis, which has also been linked to sensory reactivity, pain, and gastro-intestinal symptoms in ASD. To better understand the prevalence and impact of gastrointestinal symptoms among individuals with ASD, a measure is needed that adhere to the Rome IV criteria of gastrointestinal symptoms and is applicable to individuals with ASD. The Gastrointestinal Symptom Severity Scale (GSSS) is a new assessment tool designed to match this need. METHODS In a diverse sample of 265 individuals with ASD (mean age = 9.44, SD = 4.99), we examined the psychometric properties of the GSSS, the prevalence of gastrointestinal symptoms and associations with ASD traits, sensory sensitivity, repetitive behaviors, and pain. RESULTS A unidimensional factor structure of the GSSS was confirmed and the measure showed good internal consistency, adequate test-retest reliability and strong convergent validity. Around a third of the participants evidenced clear difficulties with gastrointestinal symptoms and gastrointestinal symptoms were strongly associated with more pronounced ASD traits, sensory reactivity, and repetitive behaviors. CONCLUSIONS The GSSS shows promise as a useful measure to analyze the prevalence, severity, and impact of gastro-intestinal symptoms in individuals with ASD.
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Affiliation(s)
- Agustín Ernesto Martínez-González
- Department of Developmental Psychology and Didactics, University of Alicante, Spain. Postal Address: Carretera San Vicente del Raspeig, s/n-03690, San Vicente del Raspeig, Alicante, Spain.
| | - Matti Cervin
- Department of Clinical Sciences, Lund, Lund University, Lund, Sweden
| | - Susana Pérez-Sánchez
- Hospital Pediatric Service University General "Los Arcos", Mar Menor, Murcia. Spain; University of Murcia, Murcia, Spain
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2
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Montoro-Pérez N, Martínez-González AE, Infante-Cañete L, de Los Ángeles Martínez-González M, Hidalgo-Berutich S, Andreo-Martínez P. Development and validation of the Gastrointestinal Symptom Severity Scale in Spanish children and adolescents. Eur J Pediatr 2024; 183:2703-2715. [PMID: 38526598 PMCID: PMC11098890 DOI: 10.1007/s00431-024-05504-8] [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: 02/06/2024] [Revised: 02/29/2024] [Accepted: 03/02/2024] [Indexed: 03/26/2024]
Abstract
Functional gastrointestinal disorders (FGIDs) are characterized by chronic or recurrent gastrointestinal symptoms (GS) that are not explained by structural or biochemical abnormalities. FGIDs are related to lower quality of life, increased demands on medical resources, and greater somatization and emotional instability. Furthermore, GS appears to be an indicator of dysbiosis in gut-microbiota, affecting the gut-microbiota-brain relationship. To develop and evaluate the psychometric properties of a new instrument called the Gastrointestinal Symptom Severity Scale (GSSS) using a web-based survey in a sample of neurotypical children and adolescents from Spain. Instrument development and validation processes were applied to the GSSS following its administration as part of an online survey. The sample included 1242 neurotypical children and adolescents. The mean age of participants was 13.95 years, with a standard deviation of 1.37 years. Overall, 13.8% suffered infectious diarrhea, 12.6% suffered abdominal pain, 5% suffered dyspepsia and 2.6% suffered gastro-esophageal reflux. A single-factor model produced good fit indices. Furthermore, internal consistency and test-retest reliability outcomes were acceptable. The GSSS was found to have acceptable metric measurement invariance. Significant correlations with other instruments were produced and were of expected direction and magnitude, confirming scale validity for hypothesis testing. Conclusions: The GSSS shows promising psychometric properties for assessing GS in neurotypical Spanish adolescents and children. What is Known: • To the best of our knowledge, instruments assessing the severity of gastrointestinal symptoms in children and adolescents are still too few. What is New: • The GSSS shows promising psychometric properties for assessing GS in neurotypical adolescents and children. The GSSS may help improve understanding of GS involvement in the gut-brain microbiota axis in children and adolescents.
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Affiliation(s)
- Néstor Montoro-Pérez
- Department of Nursing, Faculty of Health Sciences, Person-Centred Care and Health Outcomes Innovation Group, University of Alicante, San Vicente del Raspeig, Spain
- GREIACC Research Group, La Fe Health Research Institute, Valencia, Spain
| | | | - Lidia Infante-Cañete
- Department of Developmental and Educational Psychology, Faculty of Psychology, University of Malaga, Malaga, Spain
| | | | - Silvia Hidalgo-Berutich
- Department of Developmental and Educational Psychology, Faculty of Psychology, University of Malaga, Malaga, Spain
| | - Pedro Andreo-Martínez
- Department of Agricultural Chemistry, Faculty of Chemistry, University of Murcia, Murcia, Spain
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3
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Tack J, Carbone F, Chang L, Lacy BE. Patient-Reported Outcomes in Disorders of Gut-Brain Interaction. Gastroenterology 2024; 166:572-587.e1. [PMID: 38309628 DOI: 10.1053/j.gastro.2023.11.307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 11/06/2023] [Accepted: 11/11/2023] [Indexed: 02/05/2024]
Abstract
Disorders of gut-brain interaction are characterized by chronic gastrointestinal symptoms in the absence of abnormal endoscopic or radiologic findings or objective biomarkers that can be identified during routine clinical evaluation. The assessment of the symptom pattern and severity, therefore, is the key modality to evaluate the presence, impact, and evolution of these conditions, for both clinical and regulatory purposes. Patient-reported outcomes are structured symptom assessment questionnaires designed to evaluate symptom patterns, quantify severity of symptoms, and evaluate response to treatment at follow-up. This review provides an overview of currently available patient-reported outcomes for evaluating the main disorders of gut-brain interaction, specifically, functional dyspepsia; irritable bowel syndrome; and chronic constipation. It summarizes their content, level of validation for clinical practice and for research, and the regulatory approach to these conditions. Expected future developments and need for further research on patient-reported outcomes for these and other disorders of gut-brain interaction are highlighted.
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Affiliation(s)
- Jan Tack
- Translational Research in Gastrointestinal Disorders, University of Leuven, Leuven, Belgium; Department of Gastroenterology, Leuven University Hospitals, Leuven, Belgium.
| | - Florencia Carbone
- Department of Gastroenterology, Leuven University Hospitals, Leuven, Belgium
| | - Lin Chang
- G. Oppenheimer Center for Neurobiology of Stress at University of California, Los Angeles, Los Angeles, California; Vatche and Tamar Manoukian Division of Digestive Diseases, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California
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4
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VanWormer JJ, Bendixsen CG, Shukla SK. Dairy Farm Work and Protection from Gastrointestinal Illness. J Agromedicine 2023; 28:640-646. [PMID: 37128886 PMCID: PMC10664175 DOI: 10.1080/1059924x.2023.2209091] [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] [Indexed: 05/03/2023]
Abstract
Gastrointestinal (GI) disorders are a major public health burden in the United States. Due to close contact with animals, farmers may be a high risk subgroup for acute GI infections, though some studies suggest farm work is actually protective against GI illness. The purpose of this study was to examine associations between dairy farm work and GI symptoms over 3 years. A prospective, matched cohort study was used that included 70 adult dairy farm workers and 74 matched (age, gender, ZIP code) non-farm participants from central Wisconsin. The outcome was mean GI symptom scores for abdominal pain, diarrhea, constipation, dyspepsia, nausea, and reflux, per the 23-item Gastrointestinal Symptoms Severity Index (GISSI). After adjustment for potential confounding variables, linear regression results indicated dairy farm workers had significantly lower GISSI scores for abdominal pain (mean±SE = 4.3 ± 1.1 dairy vs. 7.6 ± 1.1 non-farm, p = .047), diarrhea (3.2 ± 1.0 dairy vs. 7.0 ± 1.0 non-farm, p = .010), constipation (2.0 ± 0.8 dairy vs. 6.6 ± 0.8 non-farm, p < .001), and dyspepsia (2.0 ± 0.6 dairy vs. 3.9 ± 0.5 non-farm, p = .026). Working on a dairy farm was associated with significantly less frequent and severe GI illness symptoms in adults. Future research should identify underlying causal pathways, including possible farm animal exposures, that influence beneficial gut microbiota that could inform therapeutic remedies to help prevent clinical GI disorders.
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Affiliation(s)
- Jeffrey J. VanWormer
- Center for Clinical Epidemiology & Population Health, Marshfield Clinic Research Institute, Marshfield, WI, USA
| | - Casper G. Bendixsen
- National Farm Medicine Center, Marshfield Clinic Research Institute, Marshfield, WI, USA
| | - Sanjay K. Shukla
- Center for Precision Medicine Research, Marshfield Clinic Research Institute, Marshfield, WI, USA
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5
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Wang X, Fei Y, Li W, Liu H, Xiao H, Wu Y, Wang C. Patient-reported outcome measures in functional dyspepsia: a systematic review and COSMIN analysis. BMC Gastroenterol 2023; 23:316. [PMID: 37726672 PMCID: PMC10507973 DOI: 10.1186/s12876-023-02935-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 08/26/2023] [Indexed: 09/21/2023] Open
Abstract
BACKGROUND Functional dyspepsia (FD) as a type of disorders of brain-gut interaction (DBGI), patient self-reporting of its symptoms becomes an important component of clinical outcome assessment. We performed a systematic review using Consensus Based Standards for the Selection of Health Measurement Instruments (COSMIN) guidelines to identify the best available patient-reported outcome measure (PROM) of FD. METHODS The study was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). We searched four databases with no date limit, looking for previously confirmed PROMs for evaluating FD symptoms. An overall rating was then assigned based upon COSMIN guidelines, and the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) approach was used to assess the level of evidence for psychometric properties of included PROMs. RESULTS Thirty articles covering outcome indicators of 24 patient reports were included. The Leuven Postprandial Distress Scale (LPDS) showed adequate content validity and moderate quality evidence of adequate internal consistency to generate an A recommendation. CONCLUSION LPDS is currently the most recommended PROM for patient self-reported FD symptoms. However, it fails to assess two important areas of cross-cultural validity/ measurement invariance and measurement error. Future research can be continuously improved on this basis.
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Affiliation(s)
- Xinai Wang
- The School of Graduate, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yan Fei
- Shanghai Tenth People's Hospital Chongming Branch, Shanghai, China
| | - Wenjing Li
- The School of Graduate, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Hao Liu
- The School of Graduate, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Hongling Xiao
- The School of Nursing, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
| | - Yaxuan Wu
- The School of Graduate, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Chenqi Wang
- The School of Graduate, Tianjin University of Traditional Chinese Medicine, Tianjin, China
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6
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Zhang J, Lin J, Zhao X, Yao F, Feng C, He Z, Cao X, Gao Y, Khan NU, Chen M, Luo P, Shen L. Trace Element Changes in the Plasma of Autism Spectrum Disorder Children and the Positive Correlation Between Chromium and Vanadium. Biol Trace Elem Res 2022; 200:4924-4935. [PMID: 35006555 DOI: 10.1007/s12011-021-03082-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 12/21/2021] [Indexed: 12/27/2022]
Abstract
Existing data demonstrate a significant correlation between autism spectrum disorder (ASD) and the status of biologically essential and toxic trace elements. However, there is still a lack of data on the steady state of trace elements in ASD. We performed a case-control study to explore the association between the risk of ASD and 23 trace elements in plasma. The results showed that children with ASD had considerably decreased lithium (Li), manganese (Mn), selenium (Se), barium (Ba), mercury (Hg), and tin (Sn) levels when compared to their age- and sex-matched controls. Meanwhile, children with ASD had considerably increased plasma chromium (Cr) and vanadium (V) concentrations. We also divided each group into subgroups based on age and gender and created element-related networks for each subgroup. We detected significant element correlations within or between subgroups, as well as changes in correlations that included all elements examined. Finally, more element correlations were observed among males, which may open a new avenue for understanding the complicated process behind the sex ratio of children with ASD. Overall, our data revealed a novel relationship between elements and ASD, which may extend current understanding about ASD.
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Affiliation(s)
- Jun Zhang
- College of Life Science and Oceanography, Shenzhen University, Shenzhen, 518071, People's Republic of China
- School of Public Health, Key Laboratory of Environmental Pollution Monitoring Control Ministry of Education, Guizhou Medical University, Guiyang, 550025, People's Republic of China
| | - Jing Lin
- College of Life Science and Oceanography, Shenzhen University, Shenzhen, 518071, People's Republic of China
- Shenzhen-Hong Kong Institute of Brain Science-Shenzhen Fundamental Research Institutions, Shenzhen, 518055, People's Republic of China
| | - Xiying Zhao
- Shenzhen Academy of Metrology and Quality Inspection, Shenzhen, 518055, People's Republic of China
| | - Fang Yao
- College of Life Science and Oceanography, Shenzhen University, Shenzhen, 518071, People's Republic of China
- Brain Disease and Big Data Research Institute, Shenzhen University, Shenzhen, 518071, People's Republic of China
| | - Chengyun Feng
- Maternal and Child Health Hospital of Baoan, Shenzhen, 518100, People's Republic of China
| | - Zhijun He
- College of Life Science and Oceanography, Shenzhen University, Shenzhen, 518071, People's Republic of China
- Shenzhen Key Laboratory of Marine Biotechnology and Ecology, Shenzhen, 518071, People's Republic of China
| | - Xueshan Cao
- College of Life Science and Oceanography, Shenzhen University, Shenzhen, 518071, People's Republic of China
| | - Yan Gao
- Maternal and Child Health Hospital of Baoan, Shenzhen, 518100, People's Republic of China
| | - Naseer Ullah Khan
- College of Life Science and Oceanography, Shenzhen University, Shenzhen, 518071, People's Republic of China
| | - Margy Chen
- Department of Psychology, Emory University, Atlanta, GA, 30322, USA
| | - Peng Luo
- School of Public Health, Key Laboratory of Environmental Pollution Monitoring Control Ministry of Education, Guizhou Medical University, Guiyang, 550025, People's Republic of China
| | - Liming Shen
- College of Life Science and Oceanography, Shenzhen University, Shenzhen, 518071, People's Republic of China.
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Basnayake C, Kamm MA, Stanley A, Wilson-O'Brien A, Burrell K, Lees-Trinca I, Khera A, Kantidakis J, Wong O, Fox K, Talley NJ, Liew D, Salzberg MR, Thompson AJ. Long-Term Outcome of Multidisciplinary Versus Standard Gastroenterologist Care for Functional Gastrointestinal Disorders: A Randomized Trial. Clin Gastroenterol Hepatol 2022; 20:2102-2111.e9. [PMID: 34896645 DOI: 10.1016/j.cgh.2021.12.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 11/28/2021] [Accepted: 12/02/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Functional gastrointestinal disorders are common and costly to the healthcare system. In the Multidisciplinary Treatment of Functional Gastrointestinal Disorders study, we demonstrated that multidisciplinary care resulted in superior clinical and cost outcomes, when compared with standard gastroenterologist-only care at end of treatment. In this study we evaluate the longer-term outcomes. METHODS In a single-center, pragmatic trial patients with Rome IV criteria-defined functional gastrointestinal disorders were randomized 1:2 to a gastroenterologist-only standard care vs a multidisciplinary clinic comprising gastroenterologists, dietitians, gut hypnotherapists, psychiatrists, and biofeedback physiotherapists. Outcomes in this study were assessed 12 months after the end of treatment. Global symptom improvement was assessed by using a 5-point Likert scale. Symptoms, specific disorder status, psychological state, quality of life, and cost were additional outcomes. A modified intention-to-treat analysis was performed. RESULTS Of 188 randomized patients, 143 (46 standard care, 97 multidisciplinary) formed the longer-term modified intention-to-treat analysis. Sixty-two percent of multidisciplinary clinic patients saw allied clinicians. Sixty-five percent (30/46) standard care versus 76% (74/97) multidisciplinary clinic patients achieved global symptom improvement 12 months after end of treatment (P = .17), whereas 20% (9/46) versus 37% (36/97) rated their symptoms as "5/5 much better" (P = .04). A ≥50-point reduction in Irritable Bowel Syndrome Severity Scoring System occurred in 38% versus 66% (P = .02), respectively, for irritable bowel syndrome patients. Anxiety and depression were greater in the standard care than multidisciplinary clinic (12 vs 10, P = .19), and quality of life was lower in standard care than the multidisciplinary clinic (0.75 vs 0.77, P =·.03). An incremental cost-effectivness ratio found that for every additional 3555AUD spent in the multidisciplinary clinic, a further quality-adjusted life year was gained. CONCLUSIONS Twelve months after the completion of treatment, integrated multidisciplinary clinical care achieved a greater proportion of patients with improvement of symptoms, psychological state, quality of life, and cost, compared with gastroenterologist-only care. CLINICAL TRIALS gov: number NCT03078634.
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Affiliation(s)
- Chamara Basnayake
- St Vincent's Hospital Melbourne, Melbourne, Australia; University of Melbourne, Melbourne, Australia
| | - Michael A Kamm
- St Vincent's Hospital Melbourne, Melbourne, Australia; University of Melbourne, Melbourne, Australia.
| | | | | | | | | | - Angela Khera
- St Vincent's Hospital Melbourne, Melbourne, Australia; University of Melbourne, Melbourne, Australia
| | | | - Olivia Wong
- St Vincent's Hospital Melbourne, Melbourne, Australia
| | - Kate Fox
- St Vincent's Hospital Melbourne, Melbourne, Australia
| | | | | | | | - Alexander J Thompson
- St Vincent's Hospital Melbourne, Melbourne, Australia; University of Melbourne, Melbourne, Australia
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A high-fibre personalised dietary advice given via a web tool reduces constipation complaints in adults. J Nutr Sci 2022; 11:e31. [PMID: 35573462 PMCID: PMC9066321 DOI: 10.1017/jns.2022.27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 03/28/2022] [Accepted: 04/01/2022] [Indexed: 11/07/2022] Open
Abstract
Constipation can greatly impact the quality of life (QoL), which can be relieved by dietary fibres; however, preserving a higher fibre intake remains a challenge. We investigated the effects of a personalised dietary advice (PDA) on fibre intake and mild constipation complaints. A total number of twenty-five adults with mild constipation complaints were included in a 4-week observation period followed by a 4-week personalised intervention. The PDA provided high-fibre alternatives via a web tool. In weeks 1, 4 and 8, dietary intake, constipation complaints and QoL were assessed. Furthermore, participants collected a faecal sample at weeks 1, 4 and 8 to determine microbiota diversity and composition, and short-chain fatty acids (SCFA). Participants completed questions daily for 8 weeks regarding abdominal complaints, stool frequency and stool consistency. Fibre intake in week 8 was significantly higher compared to week 1 (Δ = 5·7 ± 6·7 g, P < 0·001) and week 4 (Δ = 5·2 ± 6·4 g, P < 0·001). Constipation severity and QoL significantly improved at week 8 compared to the observation period (P < 0·001). A higher fibre intake significantly reduced constipation severity (β = -0·031 (-0·05; -0·01), P = 0·001) and the QoL (β = -0·022 (-0·04; -0·01), P = 0·009). Stool consistency (P = 0·040) and abdominal pain (P = 0·030) improved significantly during the intervention period (P = 0·040), but stool frequency did not. Average microbial alpha diversity and composition and SCFA concentrations did not change over time, but indicated individual-specific dynamics. Several SCFAs were associated with constipation complaints. To conclude, a PDA effectively increased fibre intake and subsequently reduced constipation complaints, indicating that guided dietary adjustments are important and feasible in the treatment of mild constipation complaints.
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Key Words
- BMI, body mass index
- Constipation
- Dietary fibre
- EMA, ecological momentary assessment
- FFQ, food frequency questionnaire
- Functional bowel disorders
- IBS-C, Irritable Bowel Syndrome constipation predominant
- MET, metabolic equivalent task
- PAC-QoL, Patient Assessment of Constipation Quality of Life
- PAC-SYM, Patient Assessment of Constipation Symptoms
- PDA, personalised dietary advice
- Personalised nutrition
- QoL, quality of life
- Quality of life
- SQUASH, short questionnaire to assess health-enhancing physical activity
- VAS, visual analogue scale
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Standard gastroenterologist versus multidisciplinary treatment for functional gastrointestinal disorders (MANTRA): an open-label, single-centre, randomised controlled trial. Lancet Gastroenterol Hepatol 2020; 5:890-899. [DOI: 10.1016/s2468-1253(20)30215-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/29/2020] [Accepted: 06/05/2020] [Indexed: 02/08/2023]
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Ljótsson B, Jones M, Talley NJ, Kjellström L, Agréus L, Andreasson A. Discriminant and convergent validity of the GSRS-IBS symptom severity measure for irritable bowel syndrome: A population study. United European Gastroenterol J 2020; 8:284-292. [PMID: 32213021 PMCID: PMC7184654 DOI: 10.1177/2050640619900577] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The Gastrointestinal Symptom Rating Scale-Irritable Bowel Syndrome (GSRS-IBS) is a 13-item measure of IBS symptom severity. The scale has been used in several studies, but its psychometric properties have been insufficiently investigated and population-based data are not available. OBJECTIVE The objective of this article is to establish the factor structure and discriminant and convergent validity of the GSRS-IBS. METHODS The study was based on a Swedish population sample (the Popcol study), of which 1158 randomly selected participants provided data on the GSRS-IBS. We used confirmatory factor analysis (CFA) and compared total and subscales scores in different groups, including IBS diagnostic status, treatment-seeking behavior, and predominant bowel habits. The GSRS-IBS scores were also correlated with quality of life indexes. RESULTS The sample included 164 participants with a confirmed Rome III IBS diagnosis and 994 participants without the disease. The CFA confirmed the subscales with one exception, in which the incomplete bowel-emptying item belonged to the constipation subscale rather than the diarrhea subscale. The GSRS-IBS total score and subscales were associated with diagnostic status, treatment-seeking behavior, and quality of life dimensions. The relevant subscales scores also differed between the diarrhea- and constipation-predominant subtypes of IBS. CONCLUSION The GSRS-IBS total score and subscales have high discriminant and convergent validity. The CFA confirmed the overall validity of the subscales but suggest that a sense of incomplete emptying belongs to the constipation rather than the diarrhea symptom cluster. We conclude that the GSRS-IBS is an excellent measure of IBS symptom severity in the general population.
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Affiliation(s)
- Brjánn Ljótsson
- Department of Clinical Neuroscience, Division of Psychology, Karolinska Institutet, Stockholm, Sweden
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Michael Jones
- Department of Psychology, Macquarie University, North Ryde, NSW, Australia
| | - Nicholas J Talley
- Faculty of Health and Medicine, University of Newcastle, Newcastle, NSW, Australia
| | | | - Lars Agréus
- Division of Family Medicine and Primary Care, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet, Stockholm, Sweden
| | - Anna Andreasson
- Department of Psychology, Macquarie University, North Ryde, NSW, Australia
- Stress Research Institute, Stockholm University, Stockholm, Sweden
- Division of Clinical Medicine, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
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11
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Basnayake C, Kamm MA, Salzberg M, Khera A, Liew D, Burrell K, Wilson-O'Brien A, Stanley A, Talley NJ, Thompson AJ. Defining Optimal Care for Functional Gut Disorders - Multi-Disciplinary Versus Standard Care: A Randomized Controlled Trial Protocol. Contemp Clin Trials 2019; 84:105828. [PMID: 31437539 DOI: 10.1016/j.cct.2019.105828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 08/06/2019] [Accepted: 08/13/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Functional gastrointestinal disorders (FGIDs) are the commonest reason for gastroenterological consultation, with patients usually seen by a specialist working in isolation. There is a wealth of evidence testifying to the benefit provided by dieticians, behavioral therapists, hypnotherapists and psychotherapists in treating these conditions, yet they rarely form a part of the therapeutic team, and these treatment modalities are rarely offered as part of the therapeutic management. There has been little examination of different models of care for FGIDs. We hypothesize that multi-disciplinary integrated care is superior to standard specialist-based care in the treatment of functional gut disorders. METHODS The "MANTRA" (Multidisciplinary Treatment for Functional Gut Disorders) study compares comprehensive multi-disciplinary outpatient care with standard hospital outpatient care. Consecutive new referrals to the gastroenterology and colorectal outpatient clinics of a single secondary and tertiary care hospital of patients with an FGID, defined by the Rome IV criteria, will be included. Patients will be prospectively randomized 2:1 to multi-disciplinary (gastroenterologist, gut-hypnotherapist, psychiatrist, behavioral therapist ('biofeedback') and dietician) or standard care (gastroenterologist or colorectal surgeon). Patients are assessed up to 12 months after completing treatment. The primary outcome is an improvement on a global assessment scale at the end of treatment. Symptoms, quality of life, psychological well-being, and healthcare costs are secondary outcome measures. DISCUSSION There have been few studies examining how best to deliver care for functional gut disorders. The MANTRA study will define the clinical and cost benefits of two different models of care for these highly prevalent disorders. TRIAL REGISTRATION NUMBER Clinicaltrials.govNCT03078634 Registered on Clinicaltrials.gov, completed recruitment, registered on March 13th 2017. Ethics and Dissemination: Ethical approval has been received by the St Vincent's Hospital Melbourne human research ethics committee (HREC-A 138/16). The results will be disseminated in peer-reviewed journals and presented at international conferences. Protocol version 1.2.
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Affiliation(s)
- Chamara Basnayake
- Department of Gastroenterology, St Vincent's Hospital, Melbourne, Australia; University of Melbourne, Melbourne, Australia.
| | - Michael A Kamm
- Department of Gastroenterology, St Vincent's Hospital, Melbourne, Australia; University of Melbourne, Melbourne, Australia.
| | | | - Angela Khera
- Department of Gastroenterology, St Vincent's Hospital, Melbourne, Australia; University of Melbourne, Melbourne, Australia.
| | - Danny Liew
- Monash University, Melbourne, Australia.
| | - Kathryn Burrell
- Department of Gastroenterology, St Vincent's Hospital, Melbourne, Australia.
| | - Amy Wilson-O'Brien
- Department of Gastroenterology, St Vincent's Hospital, Melbourne, Australia; University of Melbourne, Melbourne, Australia.
| | - Annalise Stanley
- Department of Gastroenterology, St Vincent's Hospital, Melbourne, Australia.
| | | | - Alexander J Thompson
- Department of Gastroenterology, St Vincent's Hospital, Melbourne, Australia; University of Melbourne, Melbourne, Australia.
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12
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de Wit N, Esser D, Siebelink E, Fischer A, Sieg J, Mes J. Extrinsic wheat fibre consumption enhances faecal bulk and stool frequency; a randomized controlled trial. Food Funct 2019; 10:646-651. [PMID: 30652171 DOI: 10.1039/c8fo01649f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The beneficial effect of wheat fibres on faecal bulk and stool pattern has mainly been observed with intact wheat fibres. This study investigates the effect of extrinsic wheat fibre (VITACEL® wheat fibre), which can be easily incorporated in many food products, on faecal bulk, stool pattern, gastrointestinal complaints, satiety and food liking. In a double-blind randomized crossover trial, healthy male volunteers received meal boxes for 10 days, containing various food products enriched with extrinsic wheat fibre (∼20 grams of additional fibre per day) or control food products containing conventional levels of fibre with similar taste, appearance and caloric values. Meal boxes were integrated in the normal dietary pattern. Stool frequency, stool consistency, gastrointestinal complaints, satiety and product liking were assessed daily, and the last 5 days of each intervention, participants collected all their faeces to analyse faecal bulk. We found that consumption of extrinsic wheat fibre-enriched products significantly enhanced faecal bulk; faecal wet and dry weight showed a 1.41 ± 0.1 and 1.55 ± 0.1 times increase compared to control, respectively (p < 0.01). Extrinsic wheat fibre intervention furthermore increased stool frequency (1.3 ± 0.1 defecations per day compared to 1.1 ± 0.1 defecations per day during control diet, p < 0.05), but did not affect stool consistency, satiety, gastrointestinal complaints or product liking. So, increased consumption of extrinsic wheat fibre enhances faecal bulk and stool frequency. As this extrinsic wheat fibre can be easily incorporated in many food products without affecting appearance or taste, it might facilitate the increase of overall fibre intake and subsequently improve (intestinal) health.
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Affiliation(s)
- Nicole de Wit
- Wageningen Food and Biobased Research, Wageningen University & Research, Wageningen, The Netherlands.
| | - Diederik Esser
- Wageningen Food and Biobased Research, Wageningen University & Research, Wageningen, The Netherlands.
| | - Els Siebelink
- Human Nutrition and Health, Wageningen University, Wageningen, The Netherlands
| | - Anne Fischer
- J. Rettenmaier & Sohne GmbH & Co. KG, Rosenberg, Germany
| | - Juergen Sieg
- J. Rettenmaier & Sohne GmbH & Co. KG, Rosenberg, Germany
| | - Jurriaan Mes
- Wageningen Food and Biobased Research, Wageningen University & Research, Wageningen, The Netherlands.
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Horsley-Silva JL, Umar SB, Vela MF, Griffing WL, Parish JM, DiBaise JK, Crowell MD. The impact of gastroesophageal reflux disease symptoms in scleroderma: effects on sleep quality. Dis Esophagus 2019; 32:5305000. [PMID: 30715227 DOI: 10.1093/dote/doy136] [Citation(s) in RCA: 5] [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] [Indexed: 12/11/2022]
Abstract
Systemic scleroderma/sclerosis (SSc) is an autoimmune connective tissue disease, which can lead to esophageal motor dysfunction and gastroesophageal reflux disease (GERD). Nocturnal GERD symptoms may be associated with sleep disturbances, which in turn can drastically affect well-being and fatigue levels. We hypothesized that GERD symptoms would be associated with poorer sleep in patients with SSc. Rheumatologist established SSc patients completed the following questionnaires: the UCLA scleroderma clinical trial consortium gastrointestinal tract instrument (GIT) 2.0 questionnaire; the Pittsburgh sleep quality index (PSQI); the fatigue severity scale (FSS); the multidimensional gastrointestinal symptom severity index (GSSI). Poor sleep quality was defined by a PSQI total score >5. Questionnaires were completed by 287 patients [mean (SD) age = 59 (14) years; female = 243]. Poor sleep quality was identified in 194 (68%) patients. Patients with poor sleep quality reported less sleep time and increased fatigue compared to those with normal sleep scores. SSc patients with poor sleep had significantly higher GIT Reflux scores (P < .001), and poor sleep was more frequent in those with moderate/severe versus mild/no heartburn on GISSI (P < .001). Narcotic and antidepressant use was significantly more frequent in SSc patients with poor sleep quality. Multivariable logistic regression supported the association between GERD symptoms and poor sleep after controlling for age, sex, and body mass index (BMI) (2.53, 95% confidence interval (CI) 1.52-4.25; P < .001). The association remained after controlling for narcotic and antidepressant use (2.20, 95% CI 1.29-3.73; P < .001). SSc patients who reported GERD symptoms were also more likely to report poor sleep quality. Future studies should examine mechanisms underlying nocturnal GERD symptoms in SSc patients, and the impact of improved GERD symptom control on sleep quality.
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Affiliation(s)
| | - S B Umar
- Division of Gastroenterology and Hepatology
| | - M F Vela
- Division of Gastroenterology and Hepatology
| | | | - J M Parish
- Division of Pulmonology Medicine, Mayo Clinic, Scottsdale, AZ, USA
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14
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Smeets FGM, Masclee AAM, Conchillo JM, Keszthelyi D. Systematic review: Disease-specific instruments to assess gastrointestinal symptoms in functional dyspepsia. Neurogastroenterol Motil 2018; 30. [PMID: 29520918 DOI: 10.1111/nmo.13327] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 02/05/2018] [Indexed: 02/08/2023]
Abstract
BACKGROUND Functional dyspepsia (FD) is a common functional gastrointestinal disorder with incompletely understood pathophysiology and heterogeneous symptom presentation. Assessment of treatment efficacy in FD is a methodological challenge as response to treatment must be assessed primarily by measuring subjective symptoms. Therefore, the use of patient-reported outcome measures (PROMs) is recommended by regulatory authorities to assess gastrointestinal symptoms in clinical trials for FD. In the last decades, a multitude of outcome measures has been developed. However, currently no PROM has been approved by the regulatory authorities, and no consensus has been reached with regard to the most relevant outcome measure in FD. PURPOSE This systematic review discusses the available disease-specific outcome measures for assessment of FD symptoms with psychometric validation properties, strengths, and limitations. Moreover, recommendations for use of current available outcome measures are provided, and potential areas of future research are discussed.
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Affiliation(s)
- F G M Smeets
- Division of Gastroenterology-Hepatology, Department of Internal Medicine, Maastricht University Medical Center (MUMC+), Maastricht, The Netherlands
- NUTRIM, School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
| | - A A M Masclee
- Division of Gastroenterology-Hepatology, Department of Internal Medicine, Maastricht University Medical Center (MUMC+), Maastricht, The Netherlands
- NUTRIM, School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
| | - J M Conchillo
- Division of Gastroenterology-Hepatology, Department of Internal Medicine, Maastricht University Medical Center (MUMC+), Maastricht, The Netherlands
- NUTRIM, School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
| | - D Keszthelyi
- Division of Gastroenterology-Hepatology, Department of Internal Medicine, Maastricht University Medical Center (MUMC+), Maastricht, The Netherlands
- NUTRIM, School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands
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Rayner CK, Jones KL, Wu T, Horowitz M. Gut feelings about diabetes and GLP-1 receptor agonists: lessons to be learnt from studies in functional gastrointestinal disorders. Diabetes Obes Metab 2017; 19:309-312. [PMID: 27862814 DOI: 10.1111/dom.12822] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 11/04/2016] [Indexed: 02/05/2023]
Affiliation(s)
- Christopher K Rayner
- Discipline of Medicine and Centre of Research Excellence in Translating Nutritional Science to Good Health, University of Adelaide, Adelaide, Australia
| | - Karen L Jones
- Discipline of Medicine and Centre of Research Excellence in Translating Nutritional Science to Good Health, University of Adelaide, Adelaide, Australia
| | - Tongzhi Wu
- Discipline of Medicine and Centre of Research Excellence in Translating Nutritional Science to Good Health, University of Adelaide, Adelaide, Australia
| | - Michael Horowitz
- Discipline of Medicine and Centre of Research Excellence in Translating Nutritional Science to Good Health, University of Adelaide, Adelaide, Australia
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Crowell MD, Umar SB, Griffing WL, DiBaise JK, Lacy BE, Vela MF. Esophageal Motor Abnormalities in Patients With Scleroderma: Heterogeneity, Risk Factors, and Effects on Quality of Life. Clin Gastroenterol Hepatol 2017; 15:207-213.e1. [PMID: 27613260 DOI: 10.1016/j.cgh.2016.08.034] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 08/29/2016] [Accepted: 08/31/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND & AIMS Systemic scleroderma (SSc) is associated with esophageal aperistalsis and hypotensive esophagogastric junction pressure, although there could be a gradation in esophageal motor dysfunction. We characterized esophageal motor function by high-resolution esophageal manometry (HRM) and assessed associations between SSc severity, health-related quality of life (HRQOL), and HRM findings in patients. METHODS We performed a prospective study of 200 patients with SSc and 102 patients without SSc (controls) who underwent HRM at Mayo Clinic Arizona from May 2006 through January 2015. We used data on integrated relaxation pressure, distal contractile integral, and distal latency to classify esophageal motility disorders according to the Chicago Classification v 3.0. A subset of subjects (n = 122) completed SSc-specific gastrointestinal symptom and HRQOL questionnaires. HRM findings, symptoms, and HRQOL data were compared among diffuse SSc, limited SSc, and control subjects. Categorical variables were compared by using the χ2 or Fisher exact test; continuous variables were compared by using Mann-Whitney or Kruskal-Wallis test. Multivariable logistic regression was used to assess the association between severity of esophageal dysmotility and baseline clinical factors. RESULTS Among patients with SSc, 83 had diffuse SSc (42%), and 117 had limited SSc (58%). Absent contractility was more frequent in patients with SSc than in controls (56% vs 13%; P < .001). HRM findings varied among the patients; absent contractility (56%) was the most frequent diagnosis, followed by normal motility (26%) and ineffective esophageal motility (10%). Classic scleroderma esophagus (esophagogastric junction pressure with absent contractility) was only observed in 33% of patients (34% with diffuse SSc vs 32% limited SSc) (P = .880). Severe esophageal dysmotility was associated with disease duration, interstitial lung disease, and higher gastrointestinal symptom scores (P < .001). HRQOL was decreased in patients with SSc and severe esophageal dysmotility. CONCLUSIONS Although severe dysmotility is more common in patients with SSc than in controls, we observed the so-called scleroderma esophagus in only one-third of patients with SSc. Esophageal motor function appears to be heterogeneous in SSc. Esophageal dysmotility reduces HRQOL in patients with SSc.
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Affiliation(s)
- Michael D Crowell
- Division of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona.
| | - Sarah B Umar
- Division of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona
| | | | - John K DiBaise
- Division of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona
| | - Brian E Lacy
- Department of Gastroenterology and Hepatology, Hitchcock Medical Center, Dartmouth, Lebanon, New Hampshire
| | - Marcelo F Vela
- Division of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona
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Abstract
PURPOSE The purpose of this integrative review is to identify the best nurse-managed continence care strategies among rehabilitation patients from the current body of evidence. DESIGN The newly designed 2015 Competency Model for Professional Rehabilitation Nursing serves as a conceptual framework to categorize evidence-based recommendations for continence care into the four domains of the model. METHODS A search of the evidence was completed in December 2015. Literature reviewed was limited to articles published from 2005-2015 in the English language. Search priority was given to systematic reviews and randomized controlled trials. FINDINGS Nurse-led interventions include evidence-based clinical assessments with use of validated instruments following step-wise algorithms derived from clinical practice guidelines. The interprofessional team emphasizes role-based continence interventions with shared work to reach goals. Leadership recommendations call for administrative support and allocation of resources for continence care and also empower select bedside nurses to become continence champions. Finally, nurse-patient education and caregiver training target the promotion of successful living. System-based continence recommendations are identified to include rehab-oriented electronic documentation systems, written continence policies and procedures, and ongoing nursing education emphasizing accountability to high performance standards. CONCLUSIONS Rehabilitation nurses are the team leaders in promoting continence in the rehabilitation setting. They are the cultivators of hope and foster resilience among patients to move forward despite acute or chronic illness and disability. This article is intended to support rehabilitation nurses in their review of clinical evidence in effort to move toward a more uniform approach to bowel and bladder management. CLINICAL RELEVANCE This review equips rehabilitation nurses who seek to improve their practice by identifying the best evidence-based approaches to continence care.
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