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1.
BMC Musculoskelet Disord ; 24(1): 162, 2023 Mar 04.
Artículo en Inglés | MEDLINE | ID: mdl-36869330

RESUMEN

BACKGROUND: With the worldwide rising obesity epidemic and the aging population, it is essential to deliver (cost-)effective care that results in enhanced societal participation among knee arthroplasty patients. The purpose of this study is to describe the development, content, and protocol of our (cost-)effectiveness study that assesses a perioperative integrated care program, including a personalized eHealth app, for knee arthroplasty patients aimed to enhance societal participation post-surgery compared to care as usual. METHODS: The intervention will be tested in a multicentre randomized controlled trial with eleven participating Dutch medical centers (i.e., hospitals and clinics). Working patients on the waiting-list for a total- or unicompartmental knee arthroplasty with the intention to return to work after surgery will be included. After pre-stratification on medical centre with or without eHealth as usual care, operation procedure (total- or unicompartmental knee arthroplasty) and recovery expectations regarding return to work, randomization will take place at the patient-level. A minimum of 138 patients will be included in both the intervention and control group, 276 in total. The control group will receive usual care. On top of care as usual, patients in the intervention group will receive an intervention consisting of three components: 1) a personalized eHealth intervention called ikHerstel ('I Recover') including an activity tracker, 2) goal setting using goal attainment scaling to improve rehabilitation and 3) a referral to a case-manager. Our main outcome is quality of life, based on patient-reported physical functioning (using PROMIS-PF). (Cost-)effectiveness will be assessed from a healthcare and societal perspective. Data collection has been started in 2020 and is expected to finish in 2024. DISCUSSION: Improving societal participation for knee arthroplasty is relevant for patients, health care providers, employers and society. This multicentre randomized controlled trial will evaluate the (cost-)effectiveness of a personalized integrated care program for knee arthroplasty patients, consisting of effective intervention components based on previous studies, compared to care as usual. TRIAL REGISTRATION: Trialsearch.who.int; reference no. NL8525, reference date version 1: 14-04-2020.


Asunto(s)
Artroplastia de Reemplazo de Rodilla , Telemedicina , Humanos , Anciano , Calidad de Vida , Envejecimiento , Etnicidad , Ensayos Clínicos Controlados Aleatorios como Asunto , Estudios Multicéntricos como Asunto
2.
Qual Life Res ; 29(1): 275-287, 2020 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-31531837

RESUMEN

PURPOSE: Previous studies found higher levels of pain severity and disability to be associated with higher costs and lower health-related quality of life. However, these findings were based on cross-sectional data and little is known about the longitudinal relationships between pain severity and disability versus health-related quality of life and costs among chronic low back pain patients. This study aims to cover this knowledge gap by exploring these longitudinal relationships in a consecutive cohort. METHODS: Data of 6316 chronic low back pain patients were used. Measurements took place at 3, 6, 9, and 12 months. Pain severity (Numeric pain rating scale; range: 0-100), disability (Oswestry disability index; range: 0-100), health-related quality of life (EQ-5D-3L: range: 0-1), societal and healthcare costs (cost questionnaire) were measured. Using linear generalized estimating equation analyses, longitudinal relationships were explored between: (1) pain severity and health-related quality of life, (2) disability and health-related quality of life, (3) pain severity and societal costs, (4) disability and societal costs, (5) pain severity and healthcare costs, and (6) disability and healthcare costs. RESULTS: Higher pain and disability levels were statistically significantly related with poorer health-related quality of life (pain intensity: - 0.0041; 95% CI - 0.0043 to - 0.0039; disability: - 0.0096; 95% CI - 0.0099 to - 0.0093), higher societal costs (pain intensity: 7; 95% CI 5 to 8; disability: 23; 95% CI 20 to 27) and higher healthcare costs (pain intensity: 3; 95% CI 2 to 4; disability: 9; 95% CI 7 to 11). CONCLUSION: Pain and disability were longitudinally related to health-related quality of life, societal costs, and healthcare costs. Disability had a stronger association with all outcomes compared to pain.


Asunto(s)
Costos de la Atención en Salud/tendencias , Dolor de la Región Lumbar/economía , Dolor de la Región Lumbar/terapia , Dimensión del Dolor/métodos , Calidad de Vida/psicología , Enfermedad Crónica , Estudios Transversales , Evaluación de la Discapacidad , Femenino , Humanos , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Encuestas y Cuestionarios
3.
BMC Health Serv Res ; 20(1): 893, 2020 Sep 22.
Artículo en Inglés | MEDLINE | ID: mdl-32962710

RESUMEN

BACKGROUND: To evaluate the cost-effectiveness of a reduction in the number of routine radiographs in the follow-up of patients with ankle fractures. METHODS: We performed an economic evaluation alongside the multicentre, randomised WARRIOR trial. Participants were randomised to a reduced imaging follow-up protocol (i.e. radiographs at week 6 and 12 follow-up obtained on clinical indication) or usual care (i.e. routine radiography at weeks 6 and 12). The Olerud & Molander Ankle Score (OMAS) was used to assess ankle function and the EQ-5D-3L was used to estimate Quality-Adjusted Life Years (QALYs). Costs and resource use were assessed using self-reported questionnaires and medical records, and analysed from a societal perspective. Multiple imputation was used for missing data, and data were analysed using seemingly unrelated regression analysis and bootstrapping. RESULTS: In total, 246 patients had data available for analysis (reduced imaging = 118; usual care = 128). Fewer radiographs were obtained in the reduced imaging group (median = 4) compared with the usual-care group (median = 5). Functional outcome was comparable in both groups. The difference in QALYs was - 0.008 (95% CI:-0.06 to 0.04) and the difference in OMAS was 0.73 (95% CI:-5.29 to 6.76). Imaging costs were lower in the reduced imaging group (-€48; 95% CI:- €72 to -€25). All other cost categories did not statistically differ between the groups. The probability of the reduced imaging protocol being cost-effectiveness was 0.45 at a wiliness-to-pay of €20,000 per QALY. CONCLUSIONS: Reducing the number of routine follow-up radiographs has a low probability of being cost-effective compared with usual care. Functional outcome, health-related quality of life and societal costs were comparable in both groups, whereas imaging costs were marginally lower in the reduced imaging group. Given this, adherence to a reduced imaging follow-up protocol for those with routine ankle fractures can be followed without sacrificing quality of care, and may result in reduced costs. TRIAL REGISTRATION: The trial was registered on 26-05-2014 in the Netherlands Trial Registry, with reference number NL4477 ( www.trialregister.nl/trial/4477 ).


Asunto(s)
Fracturas de Tobillo/diagnóstico por imagen , Radiografía/economía , Radiografía/estadística & datos numéricos , Adulto , Anciano , Fracturas de Tobillo/terapia , Ahorro de Costo , Análisis Costo-Beneficio , Femenino , Humanos , Masculino , Persona de Mediana Edad , Países Bajos , Resultado del Tratamiento
4.
Gut ; 68(10): 1774-1780, 2019 10.
Artículo en Inglés | MEDLINE | ID: mdl-31233395

RESUMEN

OBJECTIVE: Evaluate the cost-effectiveness of laparoscopic ileocaecal resection compared with infliximab in patients with ileocaecal Crohn's disease failing conventional therapy. DESIGN: A multicentre randomised controlled trial was performed in 29 centres in The Netherlands and the UK. Adult patients with Crohn's disease of the terminal ileum who failed >3 months of conventional immunomodulators or steroids without signs of critical strictures were randomised to laparoscopic ileocaecal resection or infliximab. Outcome measures included quality-adjusted life-years (QALYs) based on the EuroQol (EQ) 5D-3L Questionnaire and the Inflammatory Bowel Disease Questionnaire (IBDQ). Costs were measured from a societal perspective. Analyses were performed according to the intention-to-treat principle. Missing cost and effect data were imputed using multiple imputation. Cost-effectiveness planes and cost-effectiveness acceptability curves were estimated to show uncertainty. RESULTS: In total, 143 patients were randomised. Mean Crohn's disease total direct healthcare costs per patient at 1 year were lower in the resection group compared with the infliximab group (mean difference €-8931; 95% CI €-12 087 to €-5097). Total societal costs in the resection group were lower than in the infliximab group, however not statistically significant (mean difference €-5729, 95% CI €-10 606 to €172). The probability of resection being cost-effective compared with infliximab was 0.96 at a willingness to pay (WTP) of €0 per QALY gained and per point improvement in IBDQ Score. This probability increased to 0.98 at a WTP of €20 000/QALY gained and 0.99 at a WTP of €500/point of improvement in IBDQ Score. CONCLUSION: Laparoscopic ileocaecal resection is a cost-effective treatment option compared with infliximab. CLINICAL TRIAL REGISTRATION NUMBER: Dutch Trial Registry NTR1150; EudraCT number 2007-005042-20 (closed on 14 October 2015).


Asunto(s)
Colectomía/métodos , Enfermedad de Crohn/terapia , Costos de la Atención en Salud , Ileítis/terapia , Infliximab/uso terapéutico , Laparoscopía/economía , Adulto , Ciego/cirugía , Colectomía/economía , Análisis Costo-Beneficio , Enfermedad de Crohn/economía , Femenino , Estudios de Seguimiento , Fármacos Gastrointestinales/economía , Fármacos Gastrointestinales/uso terapéutico , Humanos , Ileítis/diagnóstico , Ileítis/economía , Íleon/cirugía , Infliximab/economía , Masculino , Estudios Retrospectivos , Resultado del Tratamiento , Adulto Joven
5.
Health Qual Life Outcomes ; 17(1): 166, 2019 Nov 06.
Artículo en Inglés | MEDLINE | ID: mdl-31694647

RESUMEN

BACKGROUND: Utility values can be obtained from different respondent groups, including patients and members of the general public. Evidence suggests that patient values are typically higher than general public values. This study explores whether the magnitude of disagreement between both values can be explained by socio-demographic characteristics and/or health status. METHODS: Data of 5037 chronic low back pain patients were used. Self-reported EQ-VAS was employed as a proxy of patients' preference for their own health state. General public values for the patients' EQ-5D-3L health states were obtained using the Dutch VAS-based tariff. The difference between patient and general public values was assessed using a paired t-test. Subsequently, this difference was used as a dependent variable and regressed upon dummy variables of socio-demographic and health status characteristics. Coefficients represented age, gender, education level, social support, back pain intensity, leg pain intensity, functional status, comorbidities, catastrophizing, and treatment expectations. RESULTS: Patient values were higher than general public values (0.069; 95%CI:0.063-0.076). The magnitude of disagreement between both values was associated with age, gender, education level, social support, functional status, and comorbidities, but not with back pain intensity, leg pain intensity, catastrophizing, and treatment expectations. CONCLUSIONS: Patients were found to value their own health status higher than members of the general public. The magnitude of disagreement between both values was found to differ by various socio-demographic and/or health status characteristics. This suggest that patient characteristics account for a relevant fraction of the identified disagreements between patient and general public values, and that mechanisms thought to be responsible for these disagreements, such as adaptation and response shift, have a differential impact across patient sub-groups.


Asunto(s)
Estado de Salud , Dolor de la Región Lumbar/psicología , Calidad de Vida , Adulto , Catastrofización/psicología , Estudios de Cohortes , Femenino , Humanos , Masculino , Persona de Mediana Edad , Rendimiento Físico Funcional , Autoinforme , Apoyo Social
6.
BMC Med ; 16(1): 168, 2018 09 10.
Artículo en Inglés | MEDLINE | ID: mdl-30196794

RESUMEN

BACKGROUND AND OBJECTIVE: Since 2013, a biennial rotavirus pattern has emerged in the Netherlands with alternating high and low endemic years and a nearly 50% reduction in rotavirus hospitalization rates overall, while infant rotavirus vaccination has remained below 1% throughout. As the rotavirus vaccination cost-effectiveness and risk-benefit ratio in high-income settings is highly influenced by the total rotavirus disease burden, we re-evaluated two infant vaccination strategies, taking into account this recent change in rotavirus epidemiology. METHODS: We used updated rotavirus disease burden estimates derived from (active) surveillance to evaluate (1) a targeted strategy with selective vaccination of infants with medical risk conditions (prematurity, low birth weight, or congenital conditions) and (2) universal vaccination including all infants. In addition, we added herd protection as well as vaccine-induced intussusception risk to our previous cost-effectiveness model. An age- and risk-group structured, discrete-time event, stochastic multi-cohort model of the Dutch pediatric population was used to estimate the costs and effects of each vaccination strategy. RESULTS: The targeted vaccination was cost-saving under all scenarios tested from both the healthcare payer and societal perspective at rotavirus vaccine market prices (€135/child). The cost-effectiveness ratio for universal vaccination was €51,277 at the assumed vaccine price of €75/child, using a societal perspective and 3% discount rates. Universal vaccination became cost-neutral at €32/child. At an assumed vaccine-induced intussusception rate of 1/50,000, an estimated 1707 hospitalizations and 21 fatal rotavirus cases were averted by targeted vaccination per vaccine-induced intussusception case. Applying universal vaccination, an additional 571 hospitalizations and <  1 additional rotavirus death were averted in healthy children per vaccine-induced intussusception case. CONCLUSION: While universal infant rotavirus vaccination results in the highest reductions in the population burden of rotavirus, targeted vaccination should be considered as a cost-saving alternative with a favorable risk-benefit ratio for high-income settings where universal implementation is unfeasible because of budget restrictions, low rotavirus endemicity, and/or public acceptance.


Asunto(s)
Análisis Costo-Beneficio/métodos , Infecciones por Rotavirus/prevención & control , Vacunas contra Rotavirus/economía , Niño , Preescolar , Femenino , Humanos , Lactante , Recién Nacido , Masculino , Medición de Riesgo , Infecciones por Rotavirus/epidemiología , Factores Socioeconómicos
7.
Allergy ; 73(6): 1331-1336, 2018 06.
Artículo en Inglés | MEDLINE | ID: mdl-29380876

RESUMEN

Despite the critical role of soluble IgE in the pathology of IgE-mediated allergic disease, little is known about abnormalities in the memory B cells and plasma cells that produce IgE in allergic patients. We here applied a flow cytometric approach to cross-sectionally study blood IgE+ memory B cells and plasmablasts in 149 children with atopic dermatitis, food allergy, and/or asthma and correlated these to helper T(h)2 cells and eosinophils. Children with allergic disease had increased numbers of IgE+CD27- and IgE+CD27+ memory B cells and IgE+ plasmablasts, as well as increased numbers of eosinophils and Th2 cells. IgE+ plasmablast numbers correlated positively with Th2 cell numbers. These findings open new possibilities for diagnosis and monitoring of treatment in patients with allergic diseases.


Asunto(s)
Asma/inmunología , Linfocitos B/inmunología , Dermatitis Atópica/inmunología , Hipersensibilidad a los Alimentos/inmunología , Memoria Inmunológica , Células Plasmáticas/inmunología , Adolescente , Asma/sangre , Asma/patología , Linfocitos B/metabolismo , Linfocitos B/patología , Niño , Dermatitis Atópica/sangre , Dermatitis Atópica/patología , Eosinófilos/inmunología , Eosinófilos/metabolismo , Femenino , Hipersensibilidad a los Alimentos/sangre , Hipersensibilidad a los Alimentos/patología , Humanos , Recuento de Linfocitos , Masculino , Células Plasmáticas/metabolismo , Células Plasmáticas/patología , Linfocitos T/inmunología , Linfocitos T/metabolismo
8.
Qual Life Res ; 26(6): 1627-1633, 2017 06.
Artículo en Inglés | MEDLINE | ID: mdl-28155048

RESUMEN

PURPOSE: The purpose of this study was twofold: (1) to compare non-specific low back pain (LBP) patients' health state valuations with those of the general population, and (2) to explore how aspects of health-related quality of life as measured by the EQ-5D-3L impact non-specific LBP patient valuations. METHODS: Data were used of a randomized controlled trial, including 483 non-specific LBP patients. Outcomes included the EQ-VAS and the EQ-5D-3L. Patient valuations were derived from the EQ-VAS. Population valuations were derived from the EQ-5D-3L using a Dutch VAS-based tariff. The difference between patient and population valuations was assessed using t tests. An OLS linear regression model was constructed to explore how various aspects of health-related quality of life as measured by the ED-5D-3L impact non-specific LBP patient valuations. RESULTS: Non-specific LBP patients valued their health states 0.098 (95% CI 0.082-0.115) points higher than the general population. Only 22.2% of the variance in patient valuations was explained by the patients' EQ-5D-3L health states (R 2 = 0.222). Non-specific LBP patients gave the most weight to the anxiety/depression dimension. CONCLUSIONS: This study demonstrated that non-specific LBP patients value their health states higher than members of the general population and that the choice of valuation method could have important implications for cost-effectiveness analyses and thus for clinical practice.


Asunto(s)
Análisis Costo-Beneficio/métodos , Estado de Salud , Dolor de la Región Lumbar/terapia , Salud Poblacional/estadística & datos numéricos , Calidad de Vida/psicología , Adulto , Femenino , Humanos , Dolor de la Región Lumbar/economía , Masculino , Encuestas y Cuestionarios , Resultado del Tratamiento
9.
Artículo en Inglés | MEDLINE | ID: mdl-27726229

RESUMEN

This study was performed to estimate the cost-effectiveness of a combined physical exercise and psychosocial intervention for children with cancer compared with usual care. Sixty-eight children, aged 8-18 years old, during or within the first year post-cancer treatment were randomised to the intervention (n = 30) and control group (n = 38). Health outcomes included fitness, muscle strength and quality adjusted life years; all administered at baseline, 4- and 12-month follow-up. Costs were gathered by 1 monthly cost questionnaires over 12 months, supplemented by medication data obtained from pharmacies. Results showed no significant differences in costs and effects between the intervention and control group at 12-month follow-up. On average, societal costs were €299 higher in the intervention group than in the control group, but this difference was not significant. Cost-effectiveness acceptability curves indicated that the intervention needs large societal investments to reach reasonable probabilities of cost-effectiveness for quality of life and lower body muscle strength. Based on the results of this study, the intervention is not cost-effective in comparison with usual care.


Asunto(s)
Terapia por Ejercicio/métodos , Costos de la Atención en Salud , Fuerza Muscular , Neoplasias/rehabilitación , Aptitud Física , Psicoterapia/métodos , Calidad de Vida , Años de Vida Ajustados por Calidad de Vida , Absentismo , Adolescente , Niño , Análisis Costo-Beneficio , Terapia por Ejercicio/economía , Femenino , Humanos , Masculino , Neoplasias/economía , Neoplasias/psicología , Países Bajos , Padres , Psicoterapia/economía , Ensayos Clínicos Controlados Aleatorios como Asunto
10.
Health Educ Res ; 32(5): 384-398, 2017 10 01.
Artículo en Inglés | MEDLINE | ID: mdl-28931167

RESUMEN

This study explored the cost-effectiveness and return-on-investment of a combined social and physical environmental worksite health promotion program compared with usual practice, and of both intervention conditions separately. Participants were randomized to the combined intervention (n = 92), social environmental intervention (n = 118), physical environmental intervention (n = 96), or control group (n = 106). The social environmental intervention consisted of group motivational interviewing and the physical environmental intervention of workplace modifications. Both interventions were aimed at improving physical activity and relaxation. Effects included need for recovery (NFR), general vitality and job satisfaction. Cost-effectiveness analyses were performed from the societal and employer's perspective, and return-on-investment analyses from the employer's perspective. Compared with usual practice, the combined intervention was significantly more effective in improving NFR (-8.4;95% CI:-14.6;-2.2) and significantly more expensive to the employer (3102; 95%CI:598;5969). All other between-group differences were non-significant. For NFR, the combined intervention became the preferred option at willingness-to-pays of ≥€170/point improvement (society) and ≥€300/point improvement (employer). For general vitality and job satisfaction, the interventions' maximum probabilities of cost-effective were low (≤0.55). All interventions had a negative return-on-investment. The combined intervention may be cost-effective for NFR depending on the decision-makers' willingness-to-pay. Both separate interventions are not cost-effective for NFR. All interventions were neither cost-effective for general vitality and job satisfaction, nor cost-saving to the employer.


Asunto(s)
Análisis Costo-Beneficio , Ejercicio Físico , Promoción de la Salud , Lugar de Trabajo/psicología , Adulto , Femenino , Humanos , Satisfacción en el Trabajo , Masculino , Entrevista Motivacional
11.
Eur J Public Health ; 26(2): 354-9, 2016 Apr.
Artículo en Inglés | MEDLINE | ID: mdl-26578664

RESUMEN

BACKGROUND: In healthcare, the focus is currently shifting from someone's disabilities to someone's abilities, which is also evident from the increasing focus on vitality. Vitality (here defined as energy, motivation and resilience) is an often used concept, which also aims at someone's capabilities. However, little is known about vitality yet; in particular about its association with participation and societal costs. METHODS: Within a cross-sectional design, information regarding vitality, participation and societal costs was collected among 8015 Dutch adults aged 20 years and over. Vitality was measured using the validated Dutch Vitality Questionnaire (Vita-16). Information on economic (i.e. want/able to work, work absenteeism, work performance), societal (i.e. voluntary work, informal care giving) and social participation (i.e. quantity and quality of social contacts) and societal costs (i.e. healthcare and work-related costs) was collected using an internet survey. RESULTS: Significant associations were found between vitality and various economic (i.e.sustainable employability:want to work: ß = 1.21, 95% CI: 0.99-1.43,able to work:ß = 2.09, 95% CI: 1.79-2.38;work absenteeism: OR = 0.75, 95% CI: 0.71-0.79;work performance:ß = 0.49, 95% CI: 0.46-0.52), societal (i.e.voluntary work, informal care) and social (i.e.quantity and quality of social contacts) participation measures, as well as between vitality and societal costs (i.e.healthcare costs:ß = -213.73, 95% CI: €-311.13 to €-107.08),absenteeism costs: ß = -338.57, 95% CI: €-465.36 to €-214.14 and presenteeism costs:ß = -1293.31, 95% CI: €-1492.69 to €-1088.95). CONCLUSION: This study showed significant positive associations between vitality and economic, societal and social participation and negative associations between vitality and societal costs. This may stimulate research on interventions enhancing and maintaining vitality and thereby contributing to improved participation and reduced costs.


Asunto(s)
Costo de Enfermedad , Estado de Salud , Motivación , Resiliencia Psicológica , Absentismo , Adulto , Anciano , Anciano de 80 o más Años , Estudios Transversales , Femenino , Gastos en Salud , Humanos , Masculino , Persona de Mediana Edad , Modelos Econométricos , Calidad de Vida , Factores Socioeconómicos
12.
Eur Spine J ; 25(7): 2087-96, 2016 07.
Artículo en Inglés | MEDLINE | ID: mdl-27001136

RESUMEN

PURPOSE: To evaluate the cost-effectiveness of manual therapy according to the Utrecht School (MTU) in comparison with physiotherapy (PT) in sub-acute and chronic non-specific neck pain patients from a societal perspective. METHODS: An economic evaluation was conducted alongside a 52-week randomized controlled trial, in which 90 patients were randomized to the MTU group and 91 to the PT group. Clinical outcomes included perceived recovery (yes/no), functional status (continuous and yes/no), and quality-adjusted life-years (QALYs). Costs were measured from a societal perspective using self-reported questionnaires. Missing data were imputed using multiple imputation. To estimate statistical uncertainty, bootstrapping techniques were used. RESULTS: After 52 weeks, there were no significant between-group differences in clinical outcomes. During follow-up, intervention costs (ß:€-32; 95 %CI: -54 to -10) and healthcare costs (ß:€-126; 95 %CI: -235 to -32) were significantly lower in the MTU group than in the PT group, whereas unpaid productivity costs were significantly higher (ß:€186; 95 %CI:19-557). Societal costs did not significantly differ between groups (ß:€-96; 95 %CI:-1975-2022). For QALYs and functional status (yes/no), the maximum probability of MTU being cost-effective in comparison with PT was low (≤0.54). For perceived recovery (yes/no) and functional status (continuous), a large amount of money must be paid per additional unit of effect to reach a reasonable probability of cost-effectiveness. CONCLUSIONS: From a societal perspective, MTU was not cost-effective in comparison with PT in patients with sub-acute and chronic non-specific neck pain for perceived recovery, functional status, and QALYs. As no clear total societal cost and effect differences were found between MTU and PT, the decision about what intervention to administer, reimburse, and/or implement can be based on the preferences of the patient and the decision-maker at hand. TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT00713843.


Asunto(s)
Dolor Crónico/terapia , Costos de la Atención en Salud/estadística & datos numéricos , Manipulaciones Musculoesqueléticas/métodos , Dolor de Cuello/terapia , Adulto , Análisis Costo-Beneficio , Femenino , Humanos , Masculino , Persona de Mediana Edad , Manipulaciones Musculoesqueléticas/economía , Países Bajos , Modalidades de Fisioterapia/economía , Años de Vida Ajustados por Calidad de Vida , Encuestas y Cuestionarios
13.
Int J Obes (Lond) ; 39(6): 899-909, 2015 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-25765203

RESUMEN

BACKGROUND: Body mass index (BMI) discordant monozygotic (MZ) twins allow an examination of the causes and consequences of adiposity in a genetically controlled design. Few studies have examined longitudinal BMI discordance in MZ pairs. OBJECTIVES: The aim of this work was to study the development over time of BMI discordance in adolescent and adult MZ twin pairs and to examine lifestyle, metabolic, inflammatory and gene expression differences associated with concurrent and long-term BMI discordance in MZ pairs. SUBJECTS/METHODS: BMI data from 2775 MZ twin pairs, collected in eight longitudinal surveys and a biobank project between 1991 and 2011, were analyzed to characterize longitudinal discordance. Lifestyle characteristics were compared within discordant pairs (ΔBMI⩾3 kg m(-2)) and biomarkers (lipids, glucose, insulin, C-reactive protein, fibrinogen, interleukin (IL)-6, tumor necrosis factor-α and soluble IL-6 receptor and liver enzymes aspartate aminotransferase, alanine aminotransferase and gamma glutamyl transferase) and gene expression were compared in peripheral blood from discordant pairs who participated in the Netherlands Twin Register biobank project. RESULTS: The prevalence of discordance ranged from 3.2% in 1991 (mean age=17, s.d.=2.4) to 17.4% (N=202 pairs) in 2009 (mean age=35, s.d.=15) and was 16.5% (N=174) among pairs participating in the biobank project (mean age=35, s.d.=12). Of the 699 MZ pairs with BMI data from 3 to 5 time points, 17 pairs (2.4%) were long-term discordant (at all available time points; mean follow-up range=6.4 years). Concurrently discordant pairs showed significant differences in self-ratings of which twin eats most (P=2.3 × 10(-13)) but not in leisure time exercise activity (P=0.28) and smoking (P>0.05). Ten out of the 14 biomarkers showed significantly more unfavorable levels in the heavier of twin of the discordant pairs (P-values <0.001); most of these biomarker differences were largest in longitudinally discordant pairs. No significant gene expression differences were identified, although high ranking genes were enriched for Gene Ontology terms highlighting metabolic gene regulation and inflammation pathways. CONCLUSIONS: BMI discordance is uncommon in adolescent identical pairs but increases with higher pair-mean of BMI at older ages, although long-term BMI discordance is rare. In discordant pairs, the heavier twin had a more unfavorable blood biomarker profile than the genetically matched leaner twin, in support of causal effects of obesity.


Asunto(s)
Adiposidad , Índice de Masa Corporal , Ejercicio Físico , Estilo de Vida , Adiposidad/genética , Adolescente , Adulto , Biomarcadores/sangre , Proteína C-Reactiva/metabolismo , Femenino , Fibrinógeno/metabolismo , Expresión Génica , Humanos , Insulina/sangre , Lípidos/sangre , Estudios Longitudinales , Masculino , Países Bajos/epidemiología , Receptores de Interleucina-6/sangre , Factor de Necrosis Tumoral alfa/sangre , Gemelos Monocigóticos
14.
Genes Immun ; 15(2): 72-81, 2014 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-24304972

RESUMEN

T-cell receptor (TCR) translocations are a genetic hallmark of T-cell acute lymphoblastic leukemia and lead to juxtaposition of oncogene and TCR loci. Oncogene loci become involved in translocations because they are accessible to the V(D)J recombination machinery. Such accessibility is predicted at cryptic recombination signal sequence (cRSS) sites ('Type 1') as well as other sites that are subject to DNA double-strand breaks (DSBs) ('Type 2') during early stages of thymocyte development. As chromatin accessibility markers have not been analyzed in the context of TCR-associated translocations, various genetic and epigenetic determinants of LMO2, TAL1 and TLX1 translocation breakpoint (BP) sites and BP cluster regions (BCRs) were examined in human thymocytes to establish DSB proneness and heterogeneity of BP site involvement in TCR translocations. Our data show that DSBs in BCRs are primarily induced in the presence of a genetic element of sequence vulnerability (cRSSs, transposable elements), whereas breaks at single BP sites lacking such elements are more likely induced by chance or perhaps because of patient-specific genetic vulnerability. Vulnerability to obtain DSBs is increased by features that determine chromatin organization, such as methylation status and nucleosome occupancy, although at different levels at different BP sites.


Asunto(s)
Proteínas Adaptadoras Transductoras de Señales/genética , Factores de Transcripción con Motivo Hélice-Asa-Hélice Básico/genética , Puntos de Rotura del Cromosoma , Proteínas de Homeodominio/genética , Proteínas con Dominio LIM/genética , Proteínas Proto-Oncogénicas/genética , Receptores de Antígenos de Linfocitos T/genética , Secuencia de Bases , Niño , Preescolar , Roturas del ADN de Doble Cadena , Metilación de ADN , Epigénesis Genética , Humanos , Lactante , Recién Nacido , Leucemia-Linfoma Linfoblástico de Células T Precursoras/genética , Proteínas Proto-Oncogénicas c-bcr/genética , Análisis de Secuencia de ADN , Proteína 1 de la Leucemia Linfocítica T Aguda , Timocitos/citología , Translocación Genética/genética , Recombinación V(D)J/genética
15.
Scand J Immunol ; 80(5): 354-61, 2014 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-24910257

RESUMEN

The patients with CD3γ deficiency can present with different clinical findings despite having the same homozygous mutation. We report three new CD3gamma-deficient siblings from a consanguineous family with a combined T-B+NK+ immunodeficiency and their variable clinical and cellular phenotypes despite the same homozygous mutation of the CD3G gene (c.80-1G>C). We also re-evaluate a previously reported non-consanguineous family with two CD3gamma-deficient siblings with the same mutation. The median age at diagnosis was 11 years (14 months-20 years). We found all five patients to display autoimmunity: autoimmune thyroiditis (n = 5), autoimmune haemolytic anaemia (n = 2), immune thrombocytopenia (n = 1), autoimmune hepatitis (n = 1), minimal change nephrotic syndrome (n = 1), vitiligo (n = 1) and positive antinuclear antibodies (n = 3) as well as high IgE (n = 2) and atopic eczema (n = 2). While CD3(+) TCRαß+T cell percentages were low in all patients, only one had lymphopenia and 3 had CD3(+) T cell lymphopenia. Strikingly, we report frequent and multiple autoimmunity in tested heterozygous carriers in both families (n = 6; in 67%), and frequent autoimmunity in family members not available for testing (n = 5, in 80%). The results suggest that CD3G should be studied as a candidate gene for autoimmunity and that CD3gamma deficiency should be considered among other primary immunodeficiencies with predominantly autoimmune manifestations.


Asunto(s)
Autoinmunidad/genética , Complejo CD3/genética , Estudios de Asociación Genética , Predisposición Genética a la Enfermedad , Tiroiditis Autoinmune/genética , Adulto , Anemia Hemolítica Autoinmune/genética , Anticuerpos Antinucleares/genética , Linfocitos B/inmunología , Niño , Dermatitis Atópica/genética , Femenino , Hepatitis Autoinmune/genética , Humanos , Inmunoglobulina E/biosíntesis , Inmunoglobulina E/genética , Inmunoglobulina E/inmunología , Lactante , Células Asesinas Naturales/inmunología , Linfopenia/genética , Linfopenia/inmunología , Masculino , Nefrosis Lipoidea/genética , Linaje , Púrpura Trombocitopénica Idiopática/genética , Linfocitos T/inmunología , Vitíligo/genética , Adulto Joven
16.
Am J Ind Med ; 57(1): 56-68, 2014 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-24166711

RESUMEN

BACKGROUND: To prolong sustainable healthy working lives of construction workers, a prevention program was developed which aimed to improve the health and work ability of construction workers. The objective of this study was to analyze the cost-effectiveness and financial return from the employers' perspective of this program. METHODS: A total of 293 workers in 15 departments were randomized to the intervention (n = 8 departments) or control group (n = 7). Data on work ability and health were collected using questionnaires. Sick leave data were obtained from the companies. Both the cost-effectiveness analyses and return on investment analyses were performed. RESULTS: After 12 months, the absenteeism costs were significantly lower in the intervention group than in the control group. At 12-month follow-up, no significant differences were found with respect to the primary outcomes (work ability, mental and physical health status) and secondary outcomes (musculoskeletal symptoms), meaning that the intervention was not cost-effective in comparison with the control group. The net-benefit was €641 per worker, and the intervention generated a positive financial return to the employer. CONCLUSION: The intervention in the present study was cost-saving to the employer due to reduced sickness absenteeism costs in the intervention group compared with the control group. However, the intervention cannot be regarded as cost-effective as no significant effects were found for work ability and health.


Asunto(s)
Absentismo , Dolor Musculoesquelético/epidemiología , Enfermedades Profesionales/epidemiología , Salud Laboral/economía , Ausencia por Enfermedad/economía , Evaluación de Capacidad de Trabajo , Adulto , Industria de la Construcción/economía , Análisis Costo-Beneficio , Femenino , Estudios de Seguimiento , Estado de Salud , Humanos , Masculino , Salud Mental , Persona de Mediana Edad , Dolor Musculoesquelético/prevención & control , Países Bajos/epidemiología , Enfermedades Profesionales/prevención & control , Prevalencia , Encuestas y Cuestionarios , Factores de Tiempo
17.
J Sex Res ; : 1-13, 2024 Feb 28.
Artículo en Inglés | MEDLINE | ID: mdl-38416411

RESUMEN

Paraphilia is defined as a condition in which sexual excitement relies on fantasizing about and/or participating in unusual sexual behavior. Although recent studies have assessed the concordance between paraphilic interests and paraphilic behaviors, few studies have studied which individual traits and demographics predict engaging in paraphilic behaviors, or the level of concordance between arousal and behavior. The current study replicated and expanded Joyal and Carpentier's 2022 study. We assessed concordance between paraphilic arousal and behavior. Further, we assessed the impact of Dark Tetrad traits, impulsivity, social desirability and demographic variables on engaging in paraphilic behaviors using self-report questionnaires in a sample from the general population and FetLife. Finally, we were interested in whether these individual differences moderated the concordance between arousal and behavior. Results indicated high concordance between paraphilic arousal and behavior for all paraphilias except pedophilia and hebephilia. Younger, male participants were more likely to engage in various paraphilias than women and older participants. Machiavellianism was linked with lower paraphilic behavior, particularly impulsive or risky ones. Psychopathy predicted engaging in more deviant or illegal paraphilias, whereas sadism only showed an association for engaging in frotteurism and narcissism was not a predictor for engaging in any paraphilia. For several paraphilias, individual traits moderated the effect of arousal on behavior. Implications of these findings and future directions are discussed.

18.
Disabil Rehabil ; : 1-14, 2024 Aug 05.
Artículo en Inglés | MEDLINE | ID: mdl-39101687

RESUMEN

PURPOSE: Multiple studies have explored the needs and experiences of patients, family members, and healthcare professionals regarding hospital-to-home transitions. Our study aimed to identify, critically appraise, and summarize these studies in a qualitative meta-synthesis. MATERIALS AND METHODS: Medline, CINAHL and Embase were systematically searched to identify eligible articles from inception to June 2024. Qualitative studies were included and critically appraised using the Critical Appraisal Skills Program. Insufficient-quality papers were excluded. We performed a meta-synthesis following (1) open coding by two independent researchers and (2) discussing codes during reflexivity meetings. RESULTS: Ninety-eight studies were appraised, of which 53 were included. We reached thematic saturation, four themes were constructed: (1) care coordination and continuity, (2) communication, (3) patient and family involvement, and (4) individualized support and information exchange. For patients and families, tailored information and support are prerequisites for a seamless transition and an optimal recovery trajectory after hospital discharge. It is imperative that healthcare professionals communicate effectively within and across care settings to ensure multidisciplinary collaboration and care continuity. CONCLUSIONS: This study identifies essential elements of optimal transitional care. These findings could be supportive to researchers and healthcare professionals when (re)designing transitional care interventions to ensure care continuity after hospital discharge.


Patients and their families need to receive tailored information and support, which are prerequisites for a seamless transition from hospital to homeProfessionals must communicate effectively within and across hospital and primary care settingsProfessional roles should be clarified to ensure effective collaboration and continued high-quality care after hospital discharge.Integrated allied health pathways addressing coordination and communication are needed to ensure seamless transitions.

19.
medRxiv ; 2024 May 03.
Artículo en Inglés | MEDLINE | ID: mdl-38746357

RESUMEN

Importance: Understanding antidepressant mechanisms could help design more effective and tolerated treatments. Objective: Identify DNA methylation (DNAm) changes associated with antidepressant exposure. Design: Case-control methylome-wide association studies (MWAS) of antidepressant exposure were performed from blood samples collected between 2006-2011 in Generation Scotland (GS). The summary statistics were tested for enrichment in specific tissues, gene ontologies and an independent MWAS in the Netherlands Study of Depression and Anxiety (NESDA). A methylation profile score (MPS) was derived and tested for its association with antidepressant exposure in eight independent cohorts, alongside prospective data from GS. Setting: Cohorts; GS, NESDA, FTC, SHIP-Trend, FOR2107, LBC1936, MARS-UniDep, ALSPAC, E-Risk, and NTR. Participants: Participants with DNAm data and self-report/prescription derived antidepressant exposure. Main Outcomes and Measures: Whole-blood DNAm levels were assayed by the EPIC/450K Illumina array (9 studies, N exposed = 661, N unexposed = 9,575) alongside MBD-Seq in NESDA (N exposed = 398, N unexposed = 414). Antidepressant exposure was measured by self- report and/or antidepressant prescriptions. Results: The self-report MWAS (N = 16,536, N exposed = 1,508, mean age = 48, 59% female) and the prescription-derived MWAS (N = 7,951, N exposed = 861, mean age = 47, 59% female), found hypermethylation at seven and four DNAm sites (p < 9.42x10 -8 ), respectively. The top locus was cg26277237 ( KANK1, p self-report = 9.3x10 -13 , p prescription = 6.1x10 -3 ). The self-report MWAS found a differentially methylated region, mapping to DGUOK-AS1 ( p adj = 5.0x10 -3 ) alongside significant enrichment for genes expressed in the amygdala, the "synaptic vesicle membrane" gene ontology and the top 1% of CpGs from the NESDA MWAS (OR = 1.39, p < 0.042). The MPS was associated with antidepressant exposure in meta-analysed data from external cohorts (N studies = 9, N = 10,236, N exposed = 661, f3 = 0.196, p < 1x10 -4 ). Conclusions and Relevance: Antidepressant exposure is associated with changes in DNAm across different cohorts. Further investigation into these changes could inform on new targets for antidepressant treatments. 3 Key Points: Question: Is antidepressant exposure associated with differential whole blood DNA methylation?Findings: In this methylome-wide association study of 16,536 adults across Scotland, antidepressant exposure was significantly associated with hypermethylation at CpGs mapping to KANK1 and DGUOK-AS1. A methylation profile score trained on this sample was significantly associated with antidepressant exposure (pooled f3 [95%CI]=0.196 [0.105, 0.288], p < 1x10 -4 ) in a meta-analysis of external datasets. Meaning: Antidepressant exposure is associated with hypermethylation at KANK1 and DGUOK-AS1 , which have roles in mitochondrial metabolism and neurite outgrowth. If replicated in future studies, targeting these genes could inform the design of more effective and better tolerated treatments for depression.

20.
Clin Exp Immunol ; 174(2): 256-64, 2013 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-23901889

RESUMEN

Graves' disease (GD) is an autoimmune disease that involves aberrant B and T lymphocyte responses. Detailed knowledge about lymphocyte subpopulation composition will therefore enhance our understanding of the pathogenesis of GD and might support the development of new immunomodulatory treatment approaches. The aim of this study was to gain detailed insight into the composition of the peripheral blood lymphocyte compartment in GD before and during anti-thyroid drug therapy. Major B and T lymphocyte subpopulations were investigated by flow cytometry in peripheral blood from newly diagnosed GD patients (n = 5), GD patients treated with anti-thyroid drugs (n = 4), patients with recurrent GD (n = 7) and healthy controls (HC; n = 10). In GD patients, numbers of activated T lymphocytes [human leucocyte antigen D-related (HLA-DR)⁺ and CD25⁺] were increased. The B lymphocyte compartment in GD was characterized by significantly higher numbers of transitional (CD38(high) CD27⁻, P < 0.03) and pre-naive mature (CD38(low) CD27⁻ IgD⁺ CD5⁺, P < 0.04) B lymphocytes, while memory populations were slightly decreased. The increased numbers of CD5⁺, transitional and pre-naive mature B lymphocytes correlated positively with fT4 plasma levels. GD is associated with increased numbers of activated T lymphocytes and transitional and pre-naive mature CD5⁺ B lymphocytes within the peripheral blood. The increase in CD5⁺ B lymphocytes was due mainly to an increase in transitional and pre-naive mature B lymphocytes. Increased fT4 plasma levels might be associated with this increase in transitional and pre-naive mature CD5⁺ B lymphocytes.


Asunto(s)
Circulación Sanguínea/inmunología , Enfermedad de Graves/inmunología , Subgrupos Linfocitarios/inmunología , Células Progenitoras Linfoides/inmunología , Linfocitos T/inmunología , Adulto , Antígenos CD/metabolismo , Diferenciación Celular , Proliferación Celular , Femenino , Antígenos HLA-DR/metabolismo , Humanos , Memoria Inmunológica , Inmunofenotipificación , Activación de Linfocitos , Masculino , Persona de Mediana Edad , Adulto Joven
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