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Poerbodipoero S, Steultjens M, Van Der Beek A, Dekker J. Pain, Disability in Daily Activities and Work Participation in Patients with Traumatic Hand Injury. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/175899830701200201] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Traumatic hand injuries are represented in a large proportion of the patients treated at the out-patient department of occupational therapy in the VU University Medical Centre, Amsterdam. Most of the patients are referred to occupational therapy by specialists in the hospital. Information about the course of traumatic hand injuries regarding performance of daily activities is still limited. Research, focused on problems experienced by patients with hand injuries, may contribute to a better understanding of the course and rehabilitation of traumatic hand injuries. This article is a report of a cross-sectional observational study with the objective to: 1) describe the impact of traumatic injuries of the hand on daily activities and work participation six months after injury 2) to analyse the impact of demographic characteristics and type and severity of the injury on pain and ability to perform daily activities, and 3) to analyse the impact of demographic characteristics and type and severity of the injury on work participation and time off work (TOW). Fifty-eight patients completed a questionnaire six months after injury. The Disability of Arm, Shoulder and Hand (DASH) questionnaire was used to evaluate disability in daily activities. A Numeric Rating Scale (NRS) was used to evaluate pain. Patients showed a mean DASH score of 22.5 (±19.3). The experience of pain and ethnicity were predictors of disability (p<0.001). The average TOW was 10.3 weeks (± 8.3). There was a significant difference (p=0.005) in TOW between Dutch patients (7.6 ± 5.8) and patients of another ethnicity (20.0 ± 8.9). Despite the reported disabilities in performing daily activities, almost all patients (91%) returned to their occupations within six months after hand injury. It is suggested that, for optimal rehabilitation, it may be necessary to focus more attention on the cultural background of the patients and the problems experienced in daily activities. Integration of evaluative instruments in hand therapy practice is advocated to guide therapy sessions, to measure outcome and to anticipate long-term problems in daily activities in an early stage of treatment.
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van Heugten C, Dekker J, Deelman B, Stehmann-Saris J, Kinebanian A. Assessment of Disabilities in Stroke Patients with Apraxia: Internal Consistency and Inter-Observer Reliability. ACTA ACUST UNITED AC 2016. [DOI: 10.1177/153944929901900104] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
In this paper the internal consistency and inter-observer reliability of the assessment of disabilities in stroke patients with apraxia is presented. Disabilities were assessed by means of observation of activities of daily living (ADL). The study was conducted at occupational therapy departments in general hospitals, rehabilitation centers and nursing homes in the Netherlands. Patients (n=42) diagnosed to have had a stroke in the left hemisphere and to have apraxia as well, participated in the study (48% male, aged 39–91). Guidelines were offered for the ADL-observation and the assessment of disabilities in these activities. The internal consistency of the scales is expressed by means of Cronbach's alpha and Mokken-scale analysis. The inter-observer reliability is expressed by means of percentage of agreement between two observers, Cohen's kappa and the intra-class correlation coefficient (ICC). The internal consistency of the observations is good: alpha is high (0.94). The Mokken-analysis confirms this finding: an H-coefficient of 0.58 and corresponding rho of 0.94 indicate a strong and reliable scale composed of the set of all ADL-observations. Results indicate that the inter-observer reliability can be considered fair to good: all kappa values were higher than 0.44; the maximum kappa was 0.95. Percentages of agreement vary between 60% and 96%. The ICC range from 0.62 to 0.98. The results of this study imply that the ADL-observations can be considered an internally consistent and reliable instrument for the assessment of disabilities in stroke patients with apraxia.
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Russo D, Billington G, Bontadina F, Dekker J, Dietz M, Gazaryan S, Jones G, Meschede A, Rebelo H, Reiter G, Ruczyński I, Tillon L, Twisk P. Identifying Key Research Objectives to Make European Forests Greener for Bats. Front Ecol Evol 2016. [DOI: 10.3389/fevo.2016.00087] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Eyssen ICJM, Beelen A, Dedding C, Cardol M, Dekker J. The reproducibility of the Canadian Occupational Performance Measure. Clin Rehabil 2016; 19:888-94. [PMID: 16323388 DOI: 10.1191/0269215505cr883oa] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To assess the reproducibility (reliability and inter-rater agreement) of the client-centred Canadian Occupational Performance Measure (COPM). Design: The COPM was administered twice, with a mean interval of seven days (SD 1.6, range 4-14), by two different occupational therapists. Data analysis was based on intraclass correlation coefficients, the Bland and Altman method and Cohen's weighted kappas. Setting: Occupational therapy departments of two university medical centres. Subjects: Consecutive clients, with various diagnoses, newly referred to the outpatient clinic of two occupational therapy departments, were included. They were all over 18 years of age and perceived limitations in more than one activity of daily life. Complete data on 95 clients were obtained: 31 men and 64 women. Results: Sixty-six per cent of the activities prioritized at the first assessment were also prioritized at the second assessment. The intraclass correlation coefficients were 0.67 (95% confidence interval (CI) 0.54-0.78) for the mean performance score and 0.69 (95% CI 0.56-0.79) for the mean satisfaction score. The limits of agreement were-2.5 to 2.4 for the mean performance score and-2.3 to 2.7 for the mean satisfaction score. For the separate prioritized problems, the weighted kappas ranged from 0.37 to 0.49. Conclusions: Inter-rater agreement of the prioritized problems was moderate. The reproducibility of the mean performance and satisfaction scores was moderate, but it was poor for the scores of the separate problems. Therefore, the mean scores should be used for individual assessment.
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Kloek C, Bossen D, de Bakker D, Dekker J, Veenhof C. SAT0432 Blended Physical Activity Intervention with Reduced Face-To-Face Contact and Usual Physical Therapy Show Similar Effectiveness in Patients with Knee and Hip Osteoarthritis: A Randomized Controlled Trial. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.2729] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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De Rooij M, van der Leeden M, Cheung J, van der Esch M, Arja Häkkinen A, Haverkamp D, Roorda L, Twisk J, Vollebregt J, Lems W, Dekker J. OP0062-HPR Efficacy of Tailored Exercise Therapy in Patients with Knee Osteoarthritis and Comorbidity: A Randomized Controlled Trial. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.3855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Peter W, van der Giesen F, de Jong S, Kat Y, van den Ende E, Dekker J, Vliet Vlieland T. THU0651-HPR Structure, Process and Outcome of Primary Care Rheumatology Networks for Patients with Rheumatic and Musculoskeletal Diseases in The Netherlands. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.4339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Van Der Esch M, Juch P, van der Leeden M, Jansen M, Wirth W, Roorda L, Lems W, Dekker J. OP0063-HPR High Proportion of Non-Contractile Tissue in The Vastus Medialis Muscle Is Associated with Muscle Weakness in Patients with Knee Osteoarthritis; Results from The AMS-OA Cohort. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.5506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Crins M, Terwee C, Westhovens R, van Schaardenburg D, Smits N, Joly J, Verschueren P, van der Elst K, Cella D, Cook K, Dekker J, Boers M, Roorda L. SAT0620 Validation of The Dutch-Flemish Promis Fatigue Item Bank in Patients with Rheumatoid Arthritis. Ann Rheum Dis 2016. [DOI: 10.1136/annrheumdis-2016-eular.2153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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McGeachie MJ, Yates KP, Zhou X, Guo F, Sternberg AL, Van Natta ML, Wise RA, Szefler SJ, Sharma S, Kho AT, Cho MH, Croteau-Chonka DC, Castaldi PJ, Jain G, Sanyal A, Zhan Y, Lajoie BR, Dekker J, Stamatoyannopoulos J, Covar RA, Zeiger RS, Adkinson NF, Williams PV, Kelly HW, Grasemann H, Vonk JM, Koppelman GH, Postma DS, Raby BA, Houston I, Lu Q, Fuhlbrigge AL, Tantisira KG, Silverman EK, Tonascia J, Weiss ST, Strunk RC. Patterns of Growth and Decline in Lung Function in Persistent Childhood Asthma. N Engl J Med 2016; 374:1842-1852. [PMID: 27168434 PMCID: PMC5032024 DOI: 10.1056/nejmoa1513737] [Citation(s) in RCA: 373] [Impact Index Per Article: 46.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
BACKGROUND Tracking longitudinal measurements of growth and decline in lung function in patients with persistent childhood asthma may reveal links between asthma and subsequent chronic airflow obstruction. METHODS We classified children with asthma according to four characteristic patterns of lung-function growth and decline on the basis of graphs showing forced expiratory volume in 1 second (FEV1), representing spirometric measurements performed from childhood into adulthood. Risk factors associated with abnormal patterns were also examined. To define normal values, we used FEV1 values from participants in the National Health and Nutrition Examination Survey who did not have asthma. RESULTS Of the 684 study participants, 170 (25%) had a normal pattern of lung-function growth without early decline, and 514 (75%) had abnormal patterns: 176 (26%) had reduced growth and an early decline, 160 (23%) had reduced growth only, and 178 (26%) had normal growth and an early decline. Lower baseline values for FEV1, smaller bronchodilator response, airway hyperresponsiveness at baseline, and male sex were associated with reduced growth (P<0.001 for all comparisons). At the last spirometric measurement (mean [±SD] age, 26.0±1.8 years), 73 participants (11%) met Global Initiative for Chronic Obstructive Lung Disease spirometric criteria for lung-function impairment that was consistent with chronic obstructive pulmonary disease (COPD); these participants were more likely to have a reduced pattern of growth than a normal pattern (18% vs. 3%, P<0.001). CONCLUSIONS Childhood impairment of lung function and male sex were the most significant predictors of abnormal longitudinal patterns of lung-function growth and decline. Children with persistent asthma and reduced growth of lung function are at increased risk for fixed airflow obstruction and possibly COPD in early adulthood. (Funded by the Parker B. Francis Foundation and others; ClinicalTrials.gov number, NCT00000575.).
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Littooij E, Leget CJW, Stolwijk-Swüste JM, Doodeman S, Widdershoven GAM, Dekker J. The importance of ‘global meaning’ for people rehabilitating from spinal cord injury. Spinal Cord 2016; 54:1047-1052. [DOI: 10.1038/sc.2016.48] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2015] [Revised: 02/24/2016] [Accepted: 02/28/2016] [Indexed: 11/10/2022]
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Tan SS, Teirlinck CH, Dekker J, Goossens LMA, Bohnen AM, Verhaar JAN, van Es PP, Koes BW, Bierma-Zeinstra SMA, Luijsterburg PAJ, Koopmanschap MA. Cost-utility of exercise therapy in patients with hip osteoarthritis in primary care. Osteoarthritis Cartilage 2016; 24:581-8. [PMID: 26620092 DOI: 10.1016/j.joca.2015.11.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 10/16/2015] [Accepted: 11/17/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To determine the cost-effectiveness (CE) of exercise therapy (intervention group) compared to 'general practitioner (GP) care' (control group) in patients with hip osteoarthritis (OA) in primary care. METHOD This cost-utility analysis was conducted with 120 GPs in the Netherlands from the societal and healthcare perspective. Data on direct medical costs, productivity costs and quality of life (QoL) was collected using standardised questionnaires which were sent to the patients at baseline and at 6, 13, 26, 39 and 52 weeks follow-up. All costs were based on Euro 2011 cost data. RESULTS A total of 203 patients were included. The annual direct medical costs per patient were significantly lower for the intervention group (€ 1233) compared to the control group (€ 1331). The average annual societal costs per patient were lower in the intervention group (€ 2634 vs € 3241). Productivity costs were higher than direct medical costs. There was a very small adjusted difference in QoL of 0.006 in favour of the control group (95% CI: -0.04 to +0.02). CONCLUSION Our study revealed that exercise therapy is probably cost saving, without the risk of noteworthy negative health effects. TRIAL REGISTRATION NUMBER NTR1462.
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van der Leeden M, Huijsmans R, Geleijn E, de Lange-de Klerk E, Dekker J, Bonjer H, van der Peet D. Early enforced mobilisation following surgery for gastrointestinal cancer: feasibility and outcomes. Physiotherapy 2016; 102:103-10. [DOI: 10.1016/j.physio.2015.03.3722] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Accepted: 03/05/2015] [Indexed: 12/20/2022]
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Braamse A, van Meijel B, Visser O, Huijgens P, Beekman A, Dekker J. Help-seeking behaviour of patients with haematological malignancies treated with autologous stem cell transplantation. Eur J Cancer Care (Engl) 2016; 26. [DOI: 10.1111/ecc.12454] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/29/2015] [Indexed: 11/27/2022]
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Braamse AMJ, van Meijel B, Visser OJ, Boenink AD, Cuijpers P, Eeltink CE, Hoogendoorn AW, van Marwijk Kooy M, van Oppen P, Huijgens PC, Beekman ATF, Dekker J. A randomized clinical trial on the effectiveness of an intervention to treat psychological distress and improve quality of life after autologous stem cell transplantation. Ann Hematol 2016; 95:105-114. [PMID: 26420062 PMCID: PMC4700101 DOI: 10.1007/s00277-015-2509-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Accepted: 09/13/2015] [Indexed: 01/22/2023]
Abstract
Psychological distress contributes to impaired quality of life in hematological cancer patients. Stepped care treatment, in which patients start with the least intensive treatment most likely to work and only receive more intensive interventions if needed, could improve distress. We aimed to evaluate the outcome of stepped care treatment on psychological distress and physical functioning in patients treated with autologous stem cell transplantation for hematological malignancies. In the present study, we performed a randomized clinical trial with two treatment arms: stepped care and care as usual. Baseline assessment and randomization occurred during pre-transplant hospitalization. Stepped care was initiated after 6 weeks, consisting of (1) watchful waiting, (2) Internet-based self-help intervention, and (3) face-to-face counseling/ psychopharmacological treatment/ referral. Follow-up measurements were conducted at 13, 30, and 42 weeks after transplantation. Stepped care (n = 47) and care as usual (n = 48) were comparable on baseline characteristics. The uptake of the intervention was low: 24 patients started with step 1, 23 with step 2, and none with step 3. Percentages of distressed patients ranged from 4.1 to 9.7 %. Ten percent of patients received external psychological or psychiatric care. No statistically significant differences were found between stepped care and care as usual on psychological distress or physical functioning in intention to treat analyses, nor in per protocol analyses. The stepped care program was not effective in decreasing psychological distress. The low intervention uptake, probably related to the low levels of psychological distress, offers an explanation for this outcome. Future research should take into account patients' specific care needs. Netherlands Trial Registry identifier: NTR1770.
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van der Pas S, Schaap L, Castell M, Cooper C, Denkinger M, Edwards M, Herbolsheimer F, Maggi S, Sánchez-Martinez M, Pedersen N, Peter R, Zambon S, Wiegersma S, Dekker J, Dennison E, Deeg D. Availability and use of neighborhood resources by older people with osteoarthritis: Results from the European Project on OSteoArthritis. Health Place 2016; 37:1-7. [DOI: 10.1016/j.healthplace.2015.10.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Revised: 09/28/2015] [Accepted: 10/11/2015] [Indexed: 11/15/2022]
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Teirlinck CH, Luijsterburg PAJ, Dekker J, Bohnen AM, Verhaar JAN, Koopmanschap MA, van Es PP, Koes BW, Bierma-Zeinstra SMA. Effectiveness of exercise therapy added to general practitioner care in patients with hip osteoarthritis: a pragmatic randomized controlled trial. Osteoarthritis Cartilage 2016; 24:82-90. [PMID: 26254237 DOI: 10.1016/j.joca.2015.07.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Revised: 07/02/2015] [Accepted: 07/20/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To assess the effectiveness of exercise therapy added to general practitioner (GP) care compared with GP care alone, in patients with hip osteoarthritis (OA) during 12 months follow-up. METHODS We performed a multi-center parallel pragmatic randomized controlled trial in 120 general practices in the Netherlands. 203 patients, aged ≥45 years, with a new episode of hip complaints, complying with the ACR criteria for hip OA were randomized to the intervention group (n = 101; GP care with additional exercise therapy) or the control group (n = 102; GP care only). GP care was given by patient's own GP. The intervention group received, in addition, a maximum of 12 exercise therapy sessions in the first 3 months and hereafter three booster sessions. Blinding was not possible. Primary outcomes were hip pain and hip-related function measured with the HOOS questionnaire (score 0-100). RESULTS The overall estimates on hip pain and function during the 12-month follow-up showed no between-group difference (intention-to-treat). At 3-months follow-up there was a statistically significant between-group difference for HOOS pain -3.7 (95% CI: -7.3; -0.2), effect size -0.23 and HOOS function -5.3 (95% CI: -8.9; -1.6), effect size -0.31. No adverse events were reported. CONCLUSIONS No differences were found during 12-months follow-up on pain and function. At 3-months follow-up, pain and function scores differed in favor of patients allocated to the additional exercise therapy compared with GP care alone. TRIAL REGISTRATION The Netherlands Trial Registry NTR1462.
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Morgan AR, Han DY, Wickens K, Barthow C, Mitchell EA, Stanley TV, Dekker J, Crane J, Ferguson LR. Differential modification of genetic susceptibility to childhood eczema by two probiotics. Clin Exp Allergy 2015; 44:1255-65. [PMID: 25146491 DOI: 10.1111/cea.12394] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Revised: 06/09/2014] [Accepted: 07/14/2014] [Indexed: 01/27/2023]
Abstract
BACKGROUND In a double-blind, randomized, placebo-controlled birth cohort, we have recently shown a beneficial effect of Lactobacillus rhamnosus HN001 (HN001) for the prevention of eczema in children through to 6 years of age but no effect of Bifidobacterium animalis subsp lactis HN019 (HN019). OBJECTIVE Among this cohort of children, we aim to investigate whether these probiotics could modify the expression of genetic predisposition to eczema conferred by genetic variation in susceptibility genes. METHODS Thirty-three eczema susceptibility SNPs (in eleven genes) were genotyped in 331 children of European ancestry. RESULTS Children who carried a genetic variant that put them at a high risk of developing eczema were less likely to develop eczema if they had been randomized to the HN001 intervention group compared to those in the placebo group. HN019 was also able to protect against the effects of some SNPs. As well as modifying genetic susceptibility to childhood eczema, HN001 was also found to modify genetic susceptibility to eczema severity and atopy risk. CONCLUSION AND CLINICAL RELEVANCE This is the first study to show an effect of a probiotic on reducing eczema risk amongst those with particular eczema-associated genotypes. Our findings suggest that Lactobacillus rhamnosus HN001 may be particularly effective in preventing eczema in children with specific high-risk genotypes.
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Keszthelyi D, Troost FJ, Jonkers DM, van Eijk HM, Dekker J, Buurman WA, Masclee AAM. Visceral hypersensitivity in irritable bowel syndrome: evidence for involvement of serotonin metabolism--a preliminary study. Neurogastroenterol Motil 2015; 27:1127-37. [PMID: 26031193 DOI: 10.1111/nmo.12600] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 04/22/2015] [Indexed: 12/20/2022]
Abstract
BACKGROUND Altered serotonergic (5-HT) metabolism and visceral perception have been associated with the pathogenesis of irritable bowel syndrome (IBS). Aim of this preliminary study was to assess the effect of the direct precursor of 5-HT, 5-hydroxytryptophan (5-HTP), on systemic 5-HT metabolites and visceral perception and to assess potential differential responses between IBS and controls. METHODS 15 IBS patients and 15 healthy volunteers participated in this randomized double-blind placebo controlled study. Visceroperception was measured by rectal barostat. The 100 mg 5-HTP or placebo was ingested orally. Serotonergic metabolites were assessed in platelet poor plasma. KEY RESULTS 5-HTP induces rectal allodynia in a significant number of healthy controls; IBS patients exhibit lowered pain thresholds in both placebo and 5-HTP conditions. 5-HTP induces rectal hyperalgesia in hypersensitive but not in non-hypersensitive IBS patients. Administration of 5-HTP significantly increased plasma 5-HTP levels (p < 0.001), did not affect 5-HT levels (p > 0.05), while levels of the main metabolite of 5-HT, 5-hydroxyindoleacetic acid, increased significantly (p < 0.05) in both groups. The magnitude of these changes observed in 5-HT metabolites was significantly greater in IBS patients. CONCLUSIONS & INFERENCES Oral administration of 5-HTP induced significant alterations in systemic 5-HT metabolites that were accompanied by increased visceroperception of pain in controls and hypersensitive IBS patients. Changes in 5-HT metabolism appear to be important factors involved in visceral hypersensitivity as the 5-HTP-induced pro-nociceptive response was observed in all hypersensitive IBS patients and to a lesser magnitude in a significant number of healthy controls but in none of the non-hypersensitive IBS patients.
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Runhaar J, Luijsterburg P, Dekker J, Bierma-Zeinstra SMA. Identifying potential working mechanisms behind the positive effects of exercise therapy on pain and function in osteoarthritis; a systematic review. Osteoarthritis Cartilage 2015; 23:1071-82. [PMID: 25865391 DOI: 10.1016/j.joca.2014.12.027] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Revised: 12/08/2014] [Accepted: 12/29/2014] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Although physical exercise is the commonly recommended for osteoarthritis (OA) patients, the working mechanism behind the positive effects of physical exercise on pain and function is a black box phenomenon. In the present study we aimed to identify possible mediators in the relation between physical exercise and improvements of pain and function in OA patients. DESIGN A systematic search for all studies evaluating the effects of physical exercise in OA patients and select those that additionally reported the change in any physiological factor from pre-to post-exercise. RESULTS In total, 94 studies evaluating 112 intervention groups were included. Most included studies evaluated subjects with solely knee OA (96 out of 112 groups). Based on the measured physiological factors within the included studies, 12 categories of possible mediators were formed. Muscle strength and ROM/flexibility were the most measured categories of possible mediators with 61 and 21 intervention groups measuring one or more physiological factors within these categories, respectively. 60% (31 out of 52) of the studies showed a significant increase in knee extensor muscle strength and 71% (22 out of 31) in knee flexor muscle strength over the intervention period. All 5 studies evaluating extension impairments and 10 out of 12 studies (83%) measuring proprioception found a significant change from pre-to post-intervention. CONCLUSION An increase of upper leg strength, a decrease of extension impairments and improvement in proprioception were identified as possible mediators in the positive association between physical exercise and OA symptoms.
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Dekker J. In whom and when to look for causal pathways of osteoarthritis of the knee. Osteoarthritis Cartilage 2015; 23:1041-2. [PMID: 25843365 DOI: 10.1016/j.joca.2015.03.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Accepted: 03/22/2015] [Indexed: 02/02/2023]
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Generaal E, Vogelzangs N, Macfarlane G, Geenen R, de Geus E, Smit J, Penninx B, Dekker J. THU0303 Biological Stress Systems, Adverse Life Events and the Onset of Chronic Multi-Site Musculoskeletal Pain: A Six-Year Cohort Study: Table 1. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Crins M, Terwee C, Westhovens R, van Schaardenburg D, Smits N, Joly J, Verschueren P, Van der Elst K, Cella D, Cook K, Dekker J, Boers M, Roorda L. THU0599 Validation of the Dutch-Flemish Promis Pain Behavior and Pain Interference Item Banks in Patients with Rheumatoid Arthritis. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Turk S, Dekker J, Britsemmer L, Heslinga S, Lems W, van Schaardenburg D, Nurmohamed M. SAT0132 Conduction Disorders & Heart Rate in Early Rheumatoid Arthritis and the Effects of Anti-Inflammatory Treatment Thereon. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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van Tunen J, van der Leeden M, Bos W, Cheung J, van der Esch M, Gerritsen M, Peter W, Roorda L, Tijhuis G, Voorneman R, Lems W, Dekker J. THU0627-HPR Exercise Therapy in Patients with Knee Osteoarthritis and Severe Pain is Enabled by Optimization of Analgesics – a Feasibility Study. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Edelaar L, van Dieën J, van der Esch M, Roorda L, Dekker J, Lems W, van der Leeden M. THU0608-HPR Nonlinearity and Relevant Thresholds in the Relationship Between Muscle Strength and Activity Limitations in Patients with Knee Osteoarthritis: Results of the AMS-OA Cohort. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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van Tunen J, van der Leeden M, Bos W, Cheung J, van der Esch M, Gerritsen M, Peter W, Roorda L, Tijhuis G, Voorneman R, Dekker J, Lems W. AB0857 Standardized Optimization of Analgesics in Patients with Knee Osteoarthritis and Severe Pain – a Feasibility Study. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Veenhof C, Kloek C, Bossen D, Dekker J, de Bakker D. THU0617-HPR The Iterative Development of E-Exercise, a Blended Exercise Intervention for Patients with Osteoarthritis of Hip and/or Knee. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.4785] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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de Rooij M, van der Leeden M, Heymans M, Holla J, Häkkinen A, Lems W, Roorda L, Veenhof C, Sanchez-Ramirez D, de Vet H, Dekker J. THU0598 Course and Predictors of Pain and Physical Functioning in Patients with HIP Osteoarthritis: Systematic Review. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Tenten-Diepenmaat M, Dekker J, Steenbergen M, Huybrechts E, Roorda L, van Schaardenburg D, Bus S, van der Leeden M. AB1256-HPR In-Shoe Plantar Pressure Measurements for the Evaluation and Adaptation of Foot Orthoses in Patients with Rheumatoid Arthritis: A Proof of Concept Study. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.3445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Van Den Hoek J, Roorda L, Boshuizen H, Tijhuis G, Dekker J, van den Bos G, Nurmohamed M. SAT0117 Trend in and Predictors for Cardiovascular Mortality in Patients with Rheumatoid Arthritis Over a Period of 15 Years: A Prospective Cohort Study. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.1730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Generaal E, Vogelzangs N, Macfarlane G, Geenen R, de Geus E, Smit J, Dekker J, Penninx B. THU0311 Biological Stress Systems, Adverse Life Events and Persistence of Chronic Multi-Site Musculoskeletal Pain Across a Six-Year Follow-Up. Ann Rheum Dis 2015. [DOI: 10.1136/annrheumdis-2015-eular.2130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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83
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Crins M, Roorda L, Smits N, de Vet H, Westhovens R, Cella D, Cook K, Revicki D, van Leeuwen J, Boers M, Dekker J, Terwee C. Calibration of the Dutch-Flemish PROMIS Pain Behavior item bank in patients with chronic pain. Eur J Pain 2015; 20:284-96. [DOI: 10.1002/ejp.727] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/12/2015] [Indexed: 11/08/2022]
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Van der Meij T, Van Strien A, Haysom K, Dekker J, Russ J, Biala K, Bihari Z, Jansen E, Langton S, Kurali A, Limpens H, Meschede A, Petersons G, Presetnik P, Prüger J, Reiter G, Rodrigues L, Schorcht W, Uhrin M, Vintulis V. Return of the bats? A prototype indicator of trends in European bat populations in underground hibernacula. Mamm Biol 2015. [DOI: 10.1016/j.mambio.2014.09.004] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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85
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Barten D, Smink A, Swinkels I, Veenhof C, Schers H, de Bakker D, Dekker J, van den Ende C. Factors associated with the setting and content of care in patients with osteoarthritis of the hip or knee. Physiotherapy 2015. [DOI: 10.1016/j.physio.2015.03.266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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van der Esch M, Knoop J, van der Leeden M, Roorda LD, Lems WF, Knol DL, Dekker J. Clinical phenotypes in patients with knee osteoarthritis: a study in the Amsterdam osteoarthritis cohort. Osteoarthritis Cartilage 2015; 23:544-9. [PMID: 25596322 DOI: 10.1016/j.joca.2015.01.006] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Revised: 01/05/2015] [Accepted: 01/08/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To identify and validate previously established phenotypes of knee osteoarthritis (OA) based on similarities in clinical patient characteristics. METHODS Knee OA patients (N = 551) from the Amsterdam OA (AMS-OA) cohort provided data. Four clinical patient characteristics were assessed: upper leg muscle strength, body mass index (BMI), radiographic severity (Kellgren/Lawrence [KL] grade), and depressive mood (the Hospital Anxiety and Depression Scale [HADS] questionnaire). Cluster analysis was performed to identify the optimal number of phenotypes. Differences in clinical characteristics between the phenotypes were analyzed with ANOVA. RESULTS Cluster analysis identified five phenotypes of knee OA patients: "minimal joint disease phenotype", "strong muscle strength phenotype", "severe radiographic OA phenotype", "obese phenotype", and "depressive mood phenotype". CONCLUSIONS Among patients with knee OA, five phenotypes were identified based on four clinical characteristics. To a high degree, the results are a replication of earlier findings in the OA Initiative, indicating that these five phenotypes seem a stable, valid, and clinically relevant finding.
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Poel JLVD, Dekker J, Langevelde FV. Dutch hedgehogsErinaceus europaeusare nowadays mainly found in urban areas, possibly due to the negative Effects of badgersMeles meles. WILDLIFE BIOLOGY 2015. [DOI: 10.2981/wlb.00072] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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Sanchez-Ramirez D, Leeden M, Esch M, Roorda L, Verschueren S, Dieën J, Lems W, Dekker J. Increased knee muscle strength is associated with decreased activity limitations in established knee osteoarthritis: Two-year follow-up study in the Amsterdam osteoarthritis cohort. J Rehabil Med 2015; 47:647-54. [DOI: 10.2340/16501977-1973] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Hendriks ML, Konig T, Korsen T, Melgers I, Dekker J, Mijatovic V, Schats R, Hompes PGA, Homburg R, Kaaijk EM, Twisk JWR, Lambalk CB. Short-term changes in hormonal profiles after laparoscopic ovarian laser evaporation compared with diagnostic laparoscopy for PCOS. Hum Reprod 2014; 29:2544-52. [DOI: 10.1093/humrep/deu237] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Knoop J, Steultjens MPM, Roorda LD, Lems WF, van der Esch M, Thorstensson CA, Twisk JWR, Bierma-Zeinstra SMA, van der Leeden M, Dekker J. Improvement in upper leg muscle strength underlies beneficial effects of exercise therapy in knee osteoarthritis: secondary analysis from a randomised controlled trial. Physiotherapy 2014; 101:171-7. [PMID: 25280604 DOI: 10.1016/j.physio.2014.06.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Accepted: 06/23/2014] [Indexed: 01/16/2023]
Abstract
OBJECTIVES Although exercise therapy is effective for reducing pain and activity limitations in patients with knee osteoarthritis (OA), the underlying mechanisms are unclear. This study aimed to evaluate if improvements in neuromuscular factors (i.e. upper leg muscle strength and knee proprioception) underlie the beneficial effects of exercise therapy in patients with knee OA. DESIGN Secondary analyses from a randomised controlled trial, with measurements at baseline, 6 weeks, 12 weeks and 38 weeks. SETTING Rehabilitation centre. PARTICIPANTS One hundred and fifty-nine patients diagnosed with knee OA. INTERVENTION Exercise therapy. MAIN OUTCOME MEASURES Changes in pain [numeric rating scale (NRS)] and activity limitations [Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) physical function subscale and get-up-and-go test] during the study period. Independent variables were changes in upper leg muscle strength and knee joint proprioception (i.e. motion sense) during the study period. Longitudinal regression analyses (generalised estimating equation) were performed to analyse associations between changes in upper leg muscle strength and knee proprioception with changes in pain and activity limitations. RESULTS Improved muscle strength was significantly associated with reductions in NRS pain {B coefficient -2.5 [95% confidence interval (CI) -3.7 to -1.4], meaning that every change of 1 unit of strength was linked to a change of -2.5 units of pain}, WOMAC physical function (-8.8, 95% CI -13.4 to -4.2) and get-up-and-go test (-1.7, 95% CI -2.4 to -1.0). Improved proprioception was not significantly associated with better outcomes of exercise therapy (P>0.05). CONCLUSIONS Upper leg muscle strengthening is one of the mechanisms underlying the beneficial effects of exercise therapy in patients with knee OA.
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Ljunggren O, Benhamou CL, Dekker J, Kapetanos G, Kocjan T, Langdahl BL, Napoli N, Petto H, Nikolić T, Lindh E. Study description and baseline characteristics of the population enrolled in a multinational observational study of extended teriparatide use (ExFOS). Curr Med Res Opin 2014; 30:1607-16. [PMID: 24720366 DOI: 10.1185/03007995.2014.907561] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To better characterize patients who are currently being prescribed teriparatide in Europe, this article describes the study design and baseline characteristics of participants of the Extended Forsteo * Observational Study (ExFOS). RESEARCH DESIGN AND METHODS ExFOS is a noninterventional, multicenter, prospective, observational study in men and women with osteoporosis treated with teriparatide during the course of normal clinical practice for up to 24 months and with a post-treatment follow-up of at least 18 months. MAIN OUTCOME MEASURES Baseline characteristics, including history of fracture and back pain, and health-related quality of life (HRQoL, assessed using the EuroQol-5 Dimension [EQ-5D]). RESULTS Of 1607 patients enrolled, 90.9% were women. At baseline, mean (standard deviation [SD]) age was 70.3 (9.8) years, and 85.8% of patients had a history of fracture (64.7% with ≥2 fragility fractures). Of those with historic fractures, 90.8% had vertebral fractures (67.8% had thoracic fractures). The mean (SD) of reported bone mineral density T-scores were -3.0 (1.2), -2.4 (1.0), and -2.5 (0.9) for lumbar spine, total hip (left), and femoral neck (left), respectively. Overall, 39.3% of patients had experienced ≥1 fall during the 12 months before enrollment. At baseline, 11.4% of patients were osteoporosis-treatment naïve and 15% were currently using glucocorticoids. The mean (SD) visual analog scale score for back pain during the last month was 50.7 (26.9), and 62.1% of patients experienced daily or almost daily back pain. The median EQ-5D health state value at baseline was 0.62 (first and third quartiles: 0.19, 0.74). CONCLUSIONS Baseline characteristics of the ExFOS study cohort indicate that patients prescribed teriparatide in Europe have severe osteoporosis with highly prevalent vertebral fractures, frequent and disabling back pain, and a poor HRQoL, despite previous pharmacotherapy for osteoporosis. Limitations include non-randomization, lack of a comparator group, and patient self-report for data on prior medication and fracture history.
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Keszthelyi D, Troost FJ, Jonkers DM, van Eijk HM, Lindsey PJ, Dekker J, Buurman WA, Masclee AAM. Serotonergic reinforcement of intestinal barrier function is impaired in irritable bowel syndrome. Aliment Pharmacol Ther 2014; 40:392-402. [PMID: 24943480 DOI: 10.1111/apt.12842] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2014] [Revised: 03/09/2014] [Accepted: 05/28/2014] [Indexed: 12/19/2022]
Abstract
BACKGROUND Alterations in serotonergic (5-HT) metabolism and/or intestinal integrity have been associated with irritable bowel syndrome (IBS). AIMS To assess the effects of the precursor of 5-HT, 5-hydroxytryptophan (5-HTP), on mucosal 5-HT availability and intestinal integrity, and to assess potential differences between healthy controls and IBS patients. METHODS Fifteen IBS patients and 15 healthy volunteers participated in this randomised double-blind placebo-controlled study. Intestinal integrity was assessed by dual-sugar test and by determining the mucosal expression of tight junction proteins after ingestion of an oral bolus of 100 mg 5-HTP or placebo. Mucosal serotonergic metabolism was assessed in duodenal biopsy samples. RESULTS 5-HTP administration significantly increased mucosal levels of 5-HIAA, the main metabolite of 5-HT, in both healthy controls (7.1 ± 1.7 vs. 2.5 ± 0.7 pmol/mg, 5-HTP vs. placebo, P = 0.02) and IBS patients (20.0 ± 4.8 vs. 8.1 ± 1.3 pmol/mg, 5-HTP vs. placebo, P = 0.02), with the latter group showing a significantly larger increase. Lactulose/L-rhamnose ratios were significantly lower after administration of 5-HTP (P < 0.05) in healthy controls and were accompanied by redistribution of zonula occludens-1 (ZO-1), pointing to reinforcement of the barrier. In IBS, expression of the tight junction proteins was significantly lower compared to healthy controls, and 5-HTP resulted in a further decrease in occludin expression. CONCLUSIONS Oral 5-HTP induced alterations in mucosal 5-HT metabolism. In healthy controls, a reinforcement of the intestinal barrier was seen whereas such reaction was absent in IBS patients. This could indicate the presence of a serotonin-mediated mechanism aimed to reinforce intestinal barrier function, which seems to dysfunction in IBS patients.
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Loonen LMP, Stolte EH, Jaklofsky MTJ, Meijerink M, Dekker J, van Baarlen P, Wells JM. REG3γ-deficient mice have altered mucus distribution and increased mucosal inflammatory responses to the microbiota and enteric pathogens in the ileum. Mucosal Immunol 2014; 7:939-47. [PMID: 24345802 DOI: 10.1038/mi.2013.109] [Citation(s) in RCA: 129] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Accepted: 11/05/2013] [Indexed: 02/04/2023]
Abstract
REG3γ is considered to have a protective role against infection with Gram-positive bacteria due to its bactericidal activity, but evidence from in vivo studies is lacking. We generated a REG3γ(-/-) mouse, and investigated the effect of lack of REG3γ on intestinal mucus distribution, spatial compartmentalization of bacteria, and expression of innate immunity genes. Infection studies were also performed with Gram-positive and Gram-negative pathogens to investigate the antimicrobial role of REG3γ. REG3γ(-/-) mice display altered mucus distribution, increased bacterial contact with the epithelium, and elevated inflammatory markers in the ileum without histological evidence of pathology. Infection response pathway genes were differentially expressed in both Listeria monocytogenes and Salmonella enteritidis infected REG3γ(-/-) and wild-type (wt) mice. Higher amounts of myeloperoxidase and interleukin-22 transcripts were present in the ileal mucosa of REG3γ(-/-) than wt mice, but translocation to the organs was unaffected. We concluded that REG3γ has a protective role against mucosal infection with pathogenic Listeria and Salmonella in vivo. REG3γ is equally distributed throughout the mucus and its absence results in increased epithelial contact with the microbiota resulting in low-grade inflammation. REG3γ can bind to Gram-negative and Gram-positive bacteria and influence mucus distribution in the ileum, properties which may contribute to mucosal protection.
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Crins M, Terwee C, Smits N, de Vries A, de Vet H, Dekker J, Westhovens R, Cella D, Cook K, Revicki D, van Leeuwen J, Boers M, Roorda L. THU0564 Validation of the Dutch-Flemish PROMIS Physical Functioning Item Bank in Patients with Chronic Pain. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.1721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Sanchez-Ramirez D, van der Leeden M, van der Esch M, Roorda L, Verschueren S, van Dieen J, Dekker J, Lems W. OP0210-HPR Increase in Knee Muscle Strength is Associated with A Decrease in Activity Limitations in Patients with Established Knee Osteoarthritis: A 2 Years Follow-Up Study in the AMS-OA Cohort. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.1360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Van Den Hoek J, Boshuizen H, Roorda L, Tijhuis G, Nurmohamed M, Dekker J, van den Bos G. FRI0195 Somatic Comorbidities and Comorbid Depression Are Associated with Mortality among Patients with Rheumatoid Arthritis: A 14-Year Prospective Cohort Study. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.3524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Crins M, Roorda L, de Vries A, Smits N, de Vet H, Westhovens R, Cella D, Cook K, Revicki D, van Leeuwen J, Boers M, Dekker J, Terwee C. THU0563 Validation of the Dutch-Flemish PROMIS Pain Behavior and Pain Interference Item Banks in Patients with Chronic Pain. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.1723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Holla J, Sanchez-Ramirez D, van der Leeden M, Ket J, Roorda L, Lems W, Steultjens M, Dekker J. AB1158-HPR The Avoidance Model in Knee and Hip Osteoarthritis: A Systematic Review of the Evidence. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.1191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Sanchez D, van der Leeden M, van der Esch M, Roorda L, Verschueren S, van Dieen J, Dekker J, Lems W. THU0203 Elevated C-Reactive Protein is Associated with Lower Knee Muscle Strength in Patients with Knee Osteoarthritis: A 2 Year Follow up Study in the AMS-OA Cohort. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2014-eular.1362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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