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Lopuhaä BV, Guzel C, van der Lee A, van den Bosch TPP, van Kemenade FJ, Huisman MV, Kruip MJHA, Luider TM, von der Thüsen JH. Increase in venous thromboembolism in SARS-CoV-2 infected lung tissue: proteome analysis of lung parenchyma, isolated endothelium, and thrombi. Histopathology 2024; 84:967-982. [PMID: 38253958 DOI: 10.1111/his.15143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 12/22/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024]
Abstract
AIMS COVID-19 pneumonia is characterized by an increased rate of deep venous thrombosis and pulmonary embolism. To better understand the pathophysiology behind thrombosis in COVID-19, we performed proteomics analysis on SARS-CoV-2 infected lung tissue. METHODS Liquid chromatography mass spectrometry was performed on SARS-CoV-2 infected postmortem lung tissue samples. Five protein profiling analyses were performed: whole slide lung parenchyma analysis, followed by analysis of isolated thrombi and endothelium, both stratified by disease (COVID-19 versus influenza) and thrombus morphology (embolism versus in situ). Influenza autopsy cases with pulmonary thrombi were used as controls. RESULTS Compared to influenza controls, both analyses of COVID-19 whole-tissue and isolated endothelium showed upregulation of proteins and pathways related to liver metabolism including urea cycle activation, with arginase being among the top upregulated proteins in COVID-19 lung tissue. Analysis of isolated COVID-19 thrombi showed significant downregulation of pathways related to platelet activation compared to influenza thrombi. Analysis of isolated thrombi based on histomorphology shows that in situ thrombi have significant upregulation of coronavirus pathogenesis proteins. CONCLUSIONS The decrease in platelet activation pathways in severe COVID-19 thrombi suggests a relative increase in venous thromboembolism, as thrombi from venous origin tend to contain fewer platelets than arterial thrombi. Based on histomorphology, in situ thrombi show upregulation of various proteins related to SARS-CoV-2 pathogenesis compared to thromboemboli, which may indicate increased in situ pulmonary thrombosis in COVID-19. Therefore, this study supports the increase of venous thromboembolism without undercutting the involvement of in situ thrombosis in severe COVID-19.
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Affiliation(s)
- Boaz V Lopuhaä
- Department of Pathology, Erasmus University Medical Centre, Rotterdam, the Netherlands
| | - Coşkun Guzel
- Laboratory of Neuro-Oncology, Clinical and Cancer Proteomics, Department of Neurology, Erasmus University Medical Centre, Rotterdam, the Netherlands
| | | | | | | | - Menno V Huisman
- Department of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, the Netherlands
| | - Marieke J H A Kruip
- Department of Haematology, Erasmus University Medical Centre, Rotterdam, the Netherlands
| | - Theo M Luider
- Laboratory of Neuro-Oncology, Clinical and Cancer Proteomics, Department of Neurology, Erasmus University Medical Centre, Rotterdam, the Netherlands
| | - Jan H von der Thüsen
- Department of Pathology, Erasmus University Medical Centre, Rotterdam, the Netherlands
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Wijsman PC, Goorsenberg AWM, d'Hooghe JNS, Ten Hacken NHT, J T H Roelofs J, Mauad T, Weersink EJM, Shah P, Annema JT, Bonta PI. Airway smooth muscle and long-term clinical efficacy following bronchial thermoplasty in severe asthma. Thorax 2024; 79:359-362. [PMID: 38346871 PMCID: PMC10958325 DOI: 10.1136/thorax-2023-220967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
The mechanism of action of bronchial thermoplasty (BT) treatment for patients with severe asthma is incompletely understood. This study investigated the 2.5-year impact of BT on airway smooth muscle (ASM) mass and clinical parameters by paired data analysis in 22 patients. Our findings demonstrate the persistence of ASM mass reduction of >50% after 2.5 years. Furthermore, sustained improvement in asthma control, quality of life and exacerbation rates was found, which is in line with previous reports. An association was found between the remaining ASM and both the exacerbation rate (r=0.61, p=0.04 for desmin, r=0.85, p<0.01 for alpha smooth muscle actin (SMA)) and post-bronchodilator forced expiratory volume in 1 s predicted percentage (r=-0.69, p=0.03 for desmin, r=-0.58, p=0.08 for alpha SMA). This study provides new insight into the long-term impact of BT.
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Affiliation(s)
- Pieta C Wijsman
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | | | - Julia N S d'Hooghe
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Nick H T Ten Hacken
- Department of Pulmonology, University of Groningen, Groningen, The Netherlands
| | | | - Thais Mauad
- Pathology, São Paulo University Medical School, São Paulo, Brazil
| | - Els J M Weersink
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Pallav Shah
- Lung Unit, Royal Brompton and Harefield NHS Foundation and Imperial College, London, UK
- Lung Unit, Chelsea and Westminster Hospital NHS Foundation Trust, London, UK
| | - Jouke T Annema
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
| | - Peter I Bonta
- Department of Pulmonary Medicine, Amsterdam UMC Locatie AMC, Amsterdam, The Netherlands
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Romano LGR, Schütte LM, van Hest RM, Meijer K, Laros-van Gorkom BAP, Nieuwenhuizen L, Eikenboom J, Heubel-Moenen FCJI, Uitslager N, Coppens M, Fijnvandraat K, Driessens MHE, Polinder S, Cnossen MH, Leebeek FWG, Mathôt RAA, Kruip MJHA. Peri-operative desmopressin combined with pharmacokinetic-guided factor VIII concentrate in non-severe haemophilia A patients. Haemophilia 2024; 30:355-366. [PMID: 38343113 DOI: 10.1111/hae.14946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 12/10/2023] [Accepted: 01/13/2024] [Indexed: 03/14/2024]
Abstract
INTRODUCTION Non-severe haemophilia A patient can be treated with desmopressin or factor VIII (FVIII) concentrate. Combining both may reduce factor consumption, but its feasibility and safety has never been investigated. AIM We assessed the feasibility and safety of combination treatment in nonsevere haemophilia A patients. METHODS Non-severe, desmopressin responsive, haemophilia A patients were included in one of two studies investigating peri-operative combination treatment. In the single-arm DAVID study intravenous desmopressin (0.3 μg/kg) once-a-day was, after sampling, immediately followed by PK-guided FVIII concentrate, for maximally three consecutive days. The Little DAVID study was a randomized trial in patients undergoing a minor medical procedure, whom received either PK-guided combination treatment (intervention arm) or PK-guided FVIII concentrate only (standard arm) up to 2 days. Dose predictions were considered accurate if the absolute difference between predicted and measured FVIII:C was ≤0.2 IU/mL. RESULTS In total 32 patients (33 procedures) were included. In the DAVID study (n = 21), of the FVIII:C trough levels 73.7% (14/19) were predicted accurately on day 1 (D1), 76.5% (13/17) on D2. On D0, 61.9% (13/21) of peak FVIII:C levels predictions were accurate. In the Little DAVID study (n = 12), on D0 83.3% (5/6) FVIII:C peak levels for both study arms were predicted accurately. Combination treatment reduced preoperative FVIII concentrate use by 47% versus FVIII monotherapy. Desmopressin side effects were mild and transient. Two bleeds occurred, both despite FVIII:C > 1.00 IU/mL. CONCLUSION Peri-operative combination treatment with desmopressin and PK-guided FVIII concentrate dosing in nonsevere haemophilia A is feasible, safe and reduces FVIII consumption.
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Affiliation(s)
- Lorenzo G R Romano
- Department of Hematology, Erasmus MC, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Lisette M Schütte
- Department of Hematology, Erasmus MC, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Reinier M van Hest
- Department of Hospital Pharmacy and Clinical Pharmacology, Amsterdam University Medical Centers-University of Amsterdam, Amsterdam, The Netherlands
| | - Karina Meijer
- Department of Hematology, University Medical Center Groningen, Groningen, The Netherlands
| | | | | | - Jeroen Eikenboom
- Department of Internal Medicine, Division of Thrombosis and Hemostasis, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Nanda Uitslager
- Van Creveldkliniek, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Michiel Coppens
- Department of Hematology, Amsterdam University Medical Centers-University of Amsterdam, Amsterdam, The Netherlands
- Pulmonary Hypertension & Thrombosis, Amsterdam Cardiovascular Sciences, Amsterdam, The Netherlands
| | - Karin Fijnvandraat
- Department of Pediatric Hematology, Amsterdam University Medical Centers-University of Amsterdam, Emma Children's Hospital, Amsterdam, The Netherlands
- Department of Plasma Proteins, Sanquin Research, Amsterdam, The Netherlands
| | | | - Suzanne Polinder
- Department of Public Health, Erasmus MC, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Marjon H Cnossen
- Department of Pediatric Hematology and Oncology, Erasmus MC, Sophia Children's Hospital, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Frank W G Leebeek
- Department of Hematology, Erasmus MC, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Ron A A Mathôt
- Department of Hospital Pharmacy and Clinical Pharmacology, Amsterdam University Medical Centers-University of Amsterdam, Amsterdam, The Netherlands
| | - Marieke J H A Kruip
- Department of Hematology, Erasmus MC, Erasmus University Medical Center, Rotterdam, The Netherlands
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Meyer L, Rachman L, Araiza-Illan G, Gaudrain E, Başkent D. Use of a humanoid robot for auditory psychophysical testing. PLoS One 2023; 18:e0294328. [PMID: 38091272 PMCID: PMC10718414 DOI: 10.1371/journal.pone.0294328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Accepted: 10/31/2023] [Indexed: 12/18/2023] Open
Abstract
Tasks in psychophysical tests can at times be repetitive and cause individuals to lose engagement during the test. To facilitate engagement, we propose the use of a humanoid NAO robot, named Sam, as an alternative interface for conducting psychophysical tests. Specifically, we aim to evaluate the performance of Sam as an auditory testing interface, given its potential limitations and technical differences, in comparison to the current laptop interface. We examine the results and durations of two voice perception tests, voice cue sensitivity and voice gender categorisation, obtained from both the conventionally used laptop interface and Sam. Both tests investigate the perception and use of two speaker-specific voice cues, fundamental frequency (F0) and vocal tract length (VTL), important for characterising voice gender. Responses are logged on the laptop using a connected mouse, and on Sam using the tactile sensors. Comparison of test results from both interfaces shows functional similarity between the interfaces and replicates findings from previous studies with similar tests. Comparison of test durations shows longer testing times with Sam, primarily due to longer processing times in comparison to the laptop, as well as other design limitations due to the implementation of the test on the robot. Despite the inherent constraints of the NAO robot, such as in sound quality, relatively long processing and testing times, and different methods of response logging, the NAO interface appears to facilitate collecting similar data to the current laptop interface, confirming its potential as an alternative psychophysical test interface for auditory perception tests.
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Affiliation(s)
- Luke Meyer
- Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- W.J. Kolff Institute for Biomedical Engineering and Materials Science, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Laura Rachman
- Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- W.J. Kolff Institute for Biomedical Engineering and Materials Science, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Gloria Araiza-Illan
- Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- W.J. Kolff Institute for Biomedical Engineering and Materials Science, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Etienne Gaudrain
- Lyon Neuroscience Research Center, CNRS UMR 5292, INSERM UMRS 1028, Université Claude Bernard Lyon 1, Université de Lyon, Lyon, France
| | - Deniz Başkent
- Department of Otorhinolaryngology, Head and Neck Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
- W.J. Kolff Institute for Biomedical Engineering and Materials Science, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
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Sijben J, Peters Y, Bas S, Siersema P, Rainey L, Broeders M. Dutch individuals' views of screening for oesophageal cancer: a focus group study. BMJ Open Gastroenterol 2023; 10:e001136. [PMID: 37257920 PMCID: PMC10254588 DOI: 10.1136/bmjgast-2023-001136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 05/16/2023] [Indexed: 06/02/2023] Open
Abstract
OBJECTIVE Screening for early oesophageal adenocarcinoma (OAC), including its precursor Barrett's oesophagus (BO), can potentially reduce OAC-related morbidity and mortality. This study explores Dutch at-risk individuals' views of screening an at-risk population for BO/OAC. DESIGN We invited 372 individuals with risk factors for OAC from primary care practices, 73 individuals with surveillance experience, and 221 participants of previous studies (BO/OAC screening trial or survey) to participate in focus groups. Transcripts were inductively and thematically analysed by two independent researchers. RESULTS A total of 50 individuals (42% with gastro-oesophageal reflux symptoms) of 50-75 years participated. Themes that were raised included: theme 1 'screening intentions' describing participants' motivation to be screened (eg, early diagnosis, potential reassurance, physician recommendation, and knowing someone with cancer) or decline screening (eg, anticipated discomfort or suboptimal accuracy of the test); theme 2 'risk-based eligibility' describing the tension between effectiveness (eg, targeting high-risk individuals) and inclusivity (eg, making screening available for everyone); theme 3 'distributive justice', in which the pressure of a potential new screening programme on healthcare resources was discussed; and theme 4 'information needs' describing the perceived lack of information access and individuals' preference to discuss screening with their general practitioner. CONCLUSION Individuals not only expressed high willingness to be screened but also voiced the concern that a new screening programme may pressure limited healthcare resources. If implemented, it is crucial to develop educational materials that meet the public's information needs and explain the test procedures and eligibility criteria while avoiding stigmatising language.
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Affiliation(s)
- Jasmijn Sijben
- Department of Gastroenterology and Hepatology, Radboudumc, Nijmegen, Gelderland, The Netherlands
| | - Yonne Peters
- Department of Gastroenterology and Hepatology, Radboudumc, Nijmegen, Gelderland, The Netherlands
| | - Sharell Bas
- Department for Health Evidence, Radboudumc, Nijmegen, Gelderland, The Netherlands
| | - Peter Siersema
- Department of Gastroenterology and Hepatology, Radboudumc, Nijmegen, Gelderland, The Netherlands
- Department of Gastroenterology and Hepatology, Erasmus MC, Rotterdam, Zuid-Holland, The Netherlands
| | - Linda Rainey
- Department for Health Evidence, Radboudumc, Nijmegen, Gelderland, The Netherlands
| | - Mireille Broeders
- Department for Health Evidence, Radboudumc, Nijmegen, Gelderland, The Netherlands
- Dutch Expert Centre for Screening, Nijmegen, The Netherlands
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Koyama Y, Hidalgo APC, Lacey RE, White T, Jansen PW, Fujiwara T, Tiemeier H. Poverty from fetal life onward and child brain morphology. Sci Rep 2023; 13:1295. [PMID: 36690659 PMCID: PMC9870876 DOI: 10.1038/s41598-023-28120-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 01/13/2023] [Indexed: 01/25/2023] Open
Abstract
Poverty is a risk factor for impaired child development, an association possibly mediated by brain morphology. Previous studies lacked prospective poverty assessments during pregnancy and did not stratify by majority/minority status. We investigated the association of household poverty from fetal life forward with brain morphological differences at age 10 years, in 2166 mother-child dyads. Overall, the results showed no associations between any poverty exposure early in life and brain volumes. However, there was the evidence of timing effects: children exposed to poverty in utero had smaller amygdala volumes (B = - 0.18, 95%CI - 0.30; - 0.07, pFDR-adjusted = 0.009). There were also differences in associations by majority/minority status (cerebral white matter: p for interaction = 0.04). Dutch children exposed to childhood poverty showed smaller cerebral white matter volumes than their control (B = - 0.26, 95%CI - 0.45; - 0.06, pFDR-adjusted = 0.035). This association was not observed in the minority population (B = - 0.05, 95%CI - 0.23; 0.12, pFDR-adjusted = 0.542). The smaller cerebral white matter volume mediated the association between childhood poverty and poorer school performance in Dutch children. Our findings point to the importance of poverty exposure in the fetal period and suggest different mechanisms and vulnerabilities across majority/minority groups.
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Affiliation(s)
- Yuna Koyama
- Department of Global Health Promotion, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
- Department of Child and Adolescent Psychiatry/Psychology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Andrea P Cortes Hidalgo
- Department of Child and Adolescent Psychiatry/Psychology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
- Generation R Study Group, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Rebecca E Lacey
- Department of Epidemiology and Public Health, University College London, London, UK
| | - Tonya White
- Department of Child and Adolescent Psychiatry/Psychology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Pauline W Jansen
- Department of Child and Adolescent Psychiatry/Psychology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands
- Department of Psychology, Education and Child Studies, Erasmus University Rotterdam, Rotterdam, The Netherlands
| | - Takeo Fujiwara
- Department of Global Health Promotion, Tokyo Medical and Dental University (TMDU), Tokyo, Japan
| | - Henning Tiemeier
- Department of Child and Adolescent Psychiatry/Psychology, Erasmus MC University Medical Center Rotterdam, Rotterdam, The Netherlands.
- Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
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Spek M, Venekamp R, De Groot E, Geersing GJ, Erkelens DC, van Smeden M, Rutten FH, Zwart DL. Optimising telephone triage of patients calling for acute shortness of breath during out-of-hours primary care: protocol of a multiple methods study (Opticall). BMJ Open 2022; 12:e059549. [PMID: 35450911 PMCID: PMC9024277 DOI: 10.1136/bmjopen-2021-059549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
INTRODUCTION Callers with acute shortness of breath (SOB) are a challenge for telephone triage at out-of-hours primary care (OHS-PC) as SOB could be the sign of a potentially life-threatening disease, yet mostly is a symptom of a broad range of self-limiting disorders. Current telephone triage practice is mainly expert based and clear evidence on accuracy, safety and efficiency of the use of the Netherlands Triage Standard (NTS) by triage nurses based on the eventual clinical outcome is lacking for this domain. METHODS AND DATA ANALYSIS Multiple methods study in five OHS-PC services in the Utrecht region, the Netherlands. Data will be collected from OHS-PC electronic health records (EHR) and backed up tapes of telephone triage conversations, which will be linked to routine primary care EHR data. In cross-sectional studies, we will (1) validate the NTS urgency classification for adults with SOB against final diagnoses and (2) develop diagnostic prediction models for urgent diagnoses (eg, composite endpoint of urgent diagnoses, pulmonary embolism, acute coronary syndrome, acute heart failure and pneumonia). We will develop improvement measures for the use of the NTS by triage nurses through practice observations and semistructured interviews with patients, triage nurses and general practitioners (GPs). In an action research approach, we will, in collaboration with these stakeholders, implement and evaluate our findings in both GP and triage nurse educational programmes as well as in OHS-PC services. ETHICS AND DISSEMINATION The Medical Ethics Review Committee Utrecht, the Netherlands, approved the study protocol (protocol 21/361). We will take into account the 'code of conduct for responsible research' of the WHO, the EU General Data Protection Regulation and the 'Dutch Medical Treatment Contracts Act'. Results will be disseminated in peer-reviewed publications and at (inter)national meetings. TRIAL REGISTRATION NUMBER NL9682.
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Affiliation(s)
- Michelle Spek
- Department of General Practice, Julius Center for Health Sciences and Primary Care, Utrecht, The Netherlands
| | - Roderick Venekamp
- Department of General Practice, Julius Center for Health Sciences and Primary Care, Utrecht, The Netherlands
| | - Esther De Groot
- Department of General Practice, Julius Center for Health Sciences and Primary Care, Utrecht, The Netherlands
| | - Geert-Jan Geersing
- Department of General Practice, Julius Center for Health Sciences and Primary Care, Utrecht, The Netherlands
| | - Daphne Carmen Erkelens
- Department of General Practice, Julius Center for Health Sciences and Primary Care, Utrecht, The Netherlands
| | - Maarten van Smeden
- Department of Epidemiology, Julius Center for Health Sciences and Primary Care, Utrecht, The Netherlands
| | - Frans H Rutten
- Department of General Practice, Julius Center for Health Sciences and Primary Care, Utrecht, The Netherlands
| | - Dorien L Zwart
- Department of General Practice, Julius Center for Health Sciences and Primary Care, Utrecht, The Netherlands
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Klokgieters S, Kok A, Rijnhart J, Visser M, Broese van Groenou M, Verschuren M, Picavet S, Huisman M. Comparative study of two birth cohorts: did the explanatory role of behavioural, social and psychological factors in educational inequalities in mortality change over time? BMJ Open 2022; 12:e052204. [PMID: 35260451 PMCID: PMC8905994 DOI: 10.1136/bmjopen-2021-052204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVES To investigate the contribution of behavioural, social and psychological factors to inequalities in mortality by educational level between birth cohorts. DESIGN Cohort-sequential design. SETTING Two population-based studies in the Netherlands: the Longitudinal Aging Study Amsterdam (LASA) and the Doetinchem Cohort Study (DCS). PARTICIPANTS Data from the LASA included 1990 individuals with birth years 1928-1937 (cohort 1) and 1938-1947 (cohort 2) and, for replication, data from the DCS included 2732 individuals with birth years 1929-1941 (cohort 1) and 1939-1951 (cohort 2). METHODS Years of education, 15-year mortality, lifestyle factors, social factors and psychological factors were modelled using multiple-group accelerated failure time models based on structural equation modelling to compare indirect effects between cohorts. RESULTS Both studies showed similar educational inequalities, with higher mortality among those with lower education. The indirect effects of education via smoking (LASA: difference in survival time ratio (TR)=1.0018, 95% CI 1.0000 to 1.0155, DCS: TR=1.0051, 95% CI 1.0000 to 1.0183), physical activity (LASA: TR=1.0056, 95% CI 1.00009 to 1.0132) and alcohol use (LASA: TR=1.0275, 95% CI 1.0033 to 1.0194) on mortality were stronger in cohort 2 than in cohort 1. In contrast to the other effects, alcohol use was the only factor that was associated positively with education and survival time, which effect increased in the most recent cohort. Emotional support, network size and cognitive functioning showed no difference between cohorts. CONCLUSIONS Smoking, physical activity and alcohol use contributed more to educational inequalities in mortality in recent cohorts. Hence, in addition to tackling fundamental social causes of inequality, policies focusing on intermediary mechanisms such as lifestyle need to adapt their targets to those that prove to be most important within a given time frame.
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Affiliation(s)
- Silvia Klokgieters
- Deparment of Epidemiology and Data Science, Amsterdam Public Health Research Institute, Amsterdam UMC - location VU University Medical Center, Amsterdam, The Netherlands
| | - Almar Kok
- Deparment of Epidemiology and Data Science, Amsterdam Public Health Research Institute, Amsterdam UMC - location VU University Medical Center, Amsterdam, The Netherlands
- Department of Psychiatry, Amsterdam Public Health, Amsterdam University Medical Center, Vrije Universiteit, Amsterdam, The Netherlands
| | - Judith Rijnhart
- Deparment of Epidemiology and Data Science, Amsterdam Public Health Research Institute, Amsterdam UMC - location VU University Medical Center, Amsterdam, The Netherlands
| | - Marjolein Visser
- Department of Health Sciences, Faculty of Science and Amsterdam Public Health research institute, Vrije Universiteit, Amsterdam, The Netherlands
| | - Marjolein Broese van Groenou
- Department of Sociology, Faculty of Social Sciences, Vrije Universiteit, Amsterdam, Noord-Holland, The Netherlands
| | - Monique Verschuren
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Amsterdam, The Netherlands
- Centre for Nutrition, Prevention and Health Services, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Susan Picavet
- Centre for Nutrition, Prevention and Health Services, National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Martijn Huisman
- Deparment of Epidemiology and Data Science, Amsterdam Public Health Research Institute, Amsterdam UMC - location VU University Medical Center, Amsterdam, The Netherlands
- Department of Sociology, Faculty of Social Sciences, Vrije Universiteit, Amsterdam, Noord-Holland, The Netherlands
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Alemany S, Avella-García C, Liew Z, García-Esteban R, Inoue K, Cadman T, López-Vicente M, González L, Riaño Galán I, Andiarena A, Casas M, Margetaki K, Strandberg-Larsen K, Lawlor DA, El Marroun H, Tiemeier H, Iñiguez C, Tardón A, Santa-Marina L, Júlvez J, Porta D, Chatzi L, Sunyer J. Prenatal and postnatal exposure to acetaminophen in relation to autism spectrum and attention-deficit and hyperactivity symptoms in childhood: Meta-analysis in six European population-based cohorts. Eur J Epidemiol 2021; 36:993-1004. [PMID: 34046850 PMCID: PMC8542535 DOI: 10.1007/s10654-021-00754-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 04/20/2021] [Indexed: 12/05/2022]
Abstract
The potential etiological role of early acetaminophen exposure on Autism Spectrum Conditions (ASC) and Attention-Deficit/Hyperactivity Disorder (ADHD) is inconclusive. We aimed to study this association in a collaborative study of six European population-based birth/child cohorts. A total of 73,881 mother-child pairs were included in the study. Prenatal and postnatal (up to 18 months) acetaminophen exposure was assessed through maternal questionnaires or interviews. ASC and ADHD symptoms were assessed at 4-12 years of age using validated instruments. Children were classified as having borderline/clinical symptoms using recommended cutoffs for each instrument. Hospital diagnoses were also available in one cohort. Analyses were adjusted for child and maternal characteristics along with indications for acetaminophen use. Adjusted cohort-specific effect estimates were combined using random-effects meta-analysis. The proportion of children having borderline/clinical symptoms ranged between 0.9 and 12.9% for ASC and between 1.2 and 12.2% for ADHD. Results indicated that children prenatally exposed to acetaminophen were 19% and 21% more likely to subsequently have borderline or clinical ASC (OR = 1.19, 95% CI 1.07-1.33) and ADHD symptoms (OR = 1.21, 95% CI 1.07-1.36) compared to non-exposed children. Boys and girls showed higher odds for ASC and ADHD symptoms after prenatal exposure, though these associations were slightly stronger among boys. Postnatal exposure to acetaminophen was not associated with ASC or ADHD symptoms. These results replicate previous work and support providing clear information to pregnant women and their partners about potential long-term risks of acetaminophen use.
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Affiliation(s)
- Silvia Alemany
- ISGlobal, Barcelona Institute for Global Health, C. Doctor Aiguader 88, 08003, Barcelona, Spain.
- Universitat Pompeu Fabra (UPF), Barcelona, Spain.
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain.
| | - Claudia Avella-García
- ISGlobal, Barcelona Institute for Global Health, C. Doctor Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Hospital Sagrat Cor, Martorell, Spain
| | - Zeyan Liew
- Departmen of Environmental Health Sciences, Yale School of Public Health, New Haven, USA
- Yale Center for Perinatal, Pediatric, and Environmental Epidemiology, Yale School of Public Health, New Haven, USA
| | - Raquel García-Esteban
- ISGlobal, Barcelona Institute for Global Health, C. Doctor Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Kosuke Inoue
- Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles (UCLA), Los Angeles, USA
| | - Tim Cadman
- MRC Integrative Epidemiology Unit (IEU) and School of Social and Community Medicine, University of Bristol, Bristol, UK
- Bristol Medical School, Population Health Science, Bristol, UK
| | - Mònica López-Vicente
- Department of Child and Adolescent Psychiatry, Erasmus MC-Sophia, Rotterdam, The Netherlands
| | - Llúcia González
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Epidemiology and Environmental Health Joint Research Unit, FISABIO-Universitat Jaume I-Universitat de València, Valencia, Spain
| | - Isolina Riaño Galán
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Paediatrics, Hospital Universitario Central de Asturias, University of Oviedo and ISPA, Oviedo, Spain
| | - Ainara Andiarena
- Faculty of Psychology, University of the Basque Country, Gipuzkoa, Spain
- Health Research Institute, Biodonostia, San Sebastian, Spain
| | - Maribel Casas
- ISGlobal, Barcelona Institute for Global Health, C. Doctor Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | | | - Katrine Strandberg-Larsen
- Section for Epidemiology, Department of Public Health, University of Copenhagen, Copenhagen, Denmark
| | - Deborah A Lawlor
- MRC Integrative Epidemiology Unit (IEU) and School of Social and Community Medicine, University of Bristol, Bristol, UK
- Bristol Medical School, Population Health Science, Bristol, UK
- Bristol NIHR Biomedical Research Centre, Bristol, UK
| | - Hanan El Marroun
- Department of Child and Adolescent Psychiatry, Erasmus MC-Sophia, Rotterdam, The Netherlands
- Department of Pediatrics, University Medical Center Rotterdam, Erasmus MC, Rotterdam, The Netherlands
- Department of Psychology, Education and Child Studies, Erasmus School of Social and Behavioral Sciences, Erasmus University Rotterdam, Rotterdam, The Netherlands
| | - Henning Tiemeier
- Department of Child and Adolescent Psychiatry, Erasmus MC-Sophia, Rotterdam, The Netherlands
- Department of Social and Behavioral Science, Harvard TH Chan School of Public Health, Boston, USA
| | - Carmen Iñiguez
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Epidemiology and Environmental Health Joint Research Unit, FISABIO-Universitat Jaume I-Universitat de València, Valencia, Spain
- Department of Statistics and Computational Research, Universitat de València, València, Spain
| | - Adonina Tardón
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Health Research Institute of the Principality of Asturias (ISPA), IUOPA, University of Oviedo, Oviedo, Spain
| | - Loreto Santa-Marina
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Health Research Institute, Biodonostia, San Sebastian, Spain
- Public Health Division of Gipuzkoa, Basque Government, Gipuzkoa, Spain
| | - Jordi Júlvez
- ISGlobal, Barcelona Institute for Global Health, C. Doctor Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
- Institut d'Investigació Sanitària Pere Virgili (IISPV), Hospital Universitari Sant Joan de Reus, Reus, Catalonia, Spain
| | - Daniela Porta
- Department of Epidemiology, Lazio Regional Health Service, Rome, Italy
| | - Leda Chatzi
- Department of Preventive Medicine, University of Southern California, University Park Campus, Los Angeles, USA
| | - Jordi Sunyer
- ISGlobal, Barcelona Institute for Global Health, C. Doctor Aiguader 88, 08003, Barcelona, Spain
- Universitat Pompeu Fabra (UPF), Barcelona, Spain
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain
- IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain
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PelvEx Collaborative . Induction chemotherapy followed by chemoradiotherapy versus chemoradiotherapy alone as neoadjuvant treatment for locally recurrent rectal cancer: study protocol of a multicentre, open-label, parallel-arms, randomized controlled study (PelvEx II). BJS Open 2021; 5:zrab029. [PMID: 34089596 DOI: 10.1093/bjsopen/zrab029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 01/26/2021] [Accepted: 03/03/2021] [Indexed: 12/12/2022] Open
Abstract
Background A resection with clear margins (R0 resection) is the most important prognostic factor in patients with locally recurrent rectal cancer (LRRC). However, this is achieved in only 60 per cent of patients. The aim of this study is to investigate whether the addition of induction chemotherapy to neoadjuvant chemo(re)irradiation improves the R0 resection rate in LRRC. Methods This multicentre, international, open-label, phase III, parallel-arms study will enrol 364 patients with resectable LRRC after previous partial or total mesorectal resection without synchronous distant metastases or recent chemo- and/or radiotherapy treatment. Patients will be randomized to receive either induction chemotherapy (three 3-week cycles of CAPOX (capecitabine, oxaliplatin), four 2-week cycles of FOLFOX (5-fluorouracil, leucovorin, oxaliplatin) or FOLFORI (5-fluorouracil, leucovorin, irinotecan)) followed by neoadjuvant chemoradiotherapy and surgery (experimental arm) or neoadjuvant chemoradiotherapy and surgery alone (control arm). Tumours will be restaged using MRI and, in the experimental arm, a further cycle of CAPOX or two cycles of FOLFOX/FOLFIRI will be administered before chemoradiotherapy in case of stable or responsive disease. The radiotherapy dose will be 25 × 2.0 Gy or 28 × 1.8 Gy in radiotherapy-naive patients, and 15 × 2.0 Gy in previously irradiated patients. The concomitant chemotherapy agent will be capecitabine administered twice daily at a dose of 825 mg/m2 on radiotherapy days. The primary endpoint of the study is the R0 resection rate. Secondary endpoints are long-term oncological outcomes, radiological and pathological response, toxicity, postoperative complications, costs, and quality of life. Discussion This trial protocol describes the PelvEx II study. PelvEx II, designed as a multicentre, open-label, phase III, parallel-arms study, is the first randomized study to compare induction chemotherapy followed by neoadjuvant chemo(re)irradiation and surgery with neoadjuvant chemo(re)irradiation and surgery alone in patients with locally recurrent rectal cancer, with the aim of improving the number of R0 resections.
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Rijpkema CJ, Verweij L, Jepma P, Latour CHM, Peters RJG, Scholte Op Reimer WJM, Buurman BM. The course of readmission in frail older cardiac patients. J Adv Nurs 2021; 77:2807-2818. [PMID: 33739473 PMCID: PMC8251632 DOI: 10.1111/jan.14828] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/02/2021] [Accepted: 02/28/2021] [Indexed: 12/14/2022]
Abstract
AIM The aim of this study is to explore patients' and (in)formal caregivers' perspectives on their role(s) and contributing factors in the course of unplanned hospital readmission of older cardiac patients in the Cardiac Care Bridge (CCB) program. DESIGN This study is a qualitative multiple case study alongside the CCB randomized trial, based on grounded theory principles. METHODS Five cases within the intervention group, with an unplanned hospital readmission within six months after randomization, were selected. In each case, semi-structured interviews were held with patients (n = 4), informal caregivers (n = 5), physical therapists (n = 4), and community nurses (n = 5) between April and June 2019. Patients' medical records were collected to reconstruct care processes before the readmission. Thematic analysis and the six-step analysis of Strauss & Corbin have been used. RESULTS Three main themes emerged. Patients experienced acute episodes of physical deterioration before unplanned hospital readmission. The involvement of (in)formal caregivers in adequate observation of patients' health status is vital to prevent rehospitalization (theme 1). Patients and (in)formal caregivers' perception of care needs did not always match, which resulted in hampering care support (theme 2). CCB caregivers experienced difficulties in providing care in some cases, resulting in limited care provision in addition to the existing care services (theme 3). CONCLUSION Early detection of deteriorating health status that leads to readmission was often lacking, due to the acuteness of the deterioration. Empowerment of patients and their informal caregivers in the recognition of early signs of deterioration and adequate collaboration between caregivers could support early detection. Patients' care needs and expectations should be prioritized to stimulate participation. IMPACT (In)formal caregivers may be able to prevent unplanned hospital readmission of older cardiac patients by ensuring: (1) early detection of health deterioration, (2) empowerment of patient and informal caregivers, and (3) clear understanding of patients' care needs and expectations.
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Affiliation(s)
- Corinne J. Rijpkema
- Department of Internal MedicineSection of Geriatric MedicineAmsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
| | - Lotte Verweij
- Department of CardiologyAmsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
- Center of Expertise Urban VitalityFaculty of HealthAmsterdam University of Applied ScienceAmsterdamThe Netherlands
| | - Patricia Jepma
- Department of CardiologyAmsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
- Center of Expertise Urban VitalityFaculty of HealthAmsterdam University of Applied ScienceAmsterdamThe Netherlands
| | - Corine H. M. Latour
- Center of Expertise Urban VitalityFaculty of HealthAmsterdam University of Applied ScienceAmsterdamThe Netherlands
| | - Ron J. G. Peters
- Department of CardiologyAmsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
| | - Wilma J. M. Scholte Op Reimer
- Department of CardiologyAmsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
- Research Group Chronic DiseasesUniversity of Applied Sciences UtrechtUtrechtThe Netherlands
| | - Bianca M. Buurman
- Department of Internal MedicineSection of Geriatric MedicineAmsterdam UMCUniversity of AmsterdamAmsterdamThe Netherlands
- Center of Expertise Urban VitalityFaculty of HealthAmsterdam University of Applied ScienceAmsterdamThe Netherlands
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12
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van Doorn PF, de Schepper EIT, Schiphof D, Ottenheijm RPG, Thoomes-de Graaf M, Koopmanschap MA, van Ochten JM, van der Windt DA, Bindels PJE, Koes BW, Runhaar J. Clinical and cost effectiveness of a corticosteroid injection versus exercise therapy for shoulder pain in general practice: protocol for a randomised controlled trial (SIX Study). BMJ Open 2021; 11:e050101. [PMID: 33785496 PMCID: PMC8011792 DOI: 10.1136/bmjopen-2021-050101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/03/2021] [Accepted: 03/04/2021] [Indexed: 11/03/2022] Open
Abstract
INTRODUCTION Shoulder pain is common and the prognosis is often unfavourable. Dutch guidelines on the treatment of shoulder pain in primary care recommend a corticosteroid injection or a referral to exercise therapy, if initial pain management fails and pain persists. However, evidence of the effectiveness of a corticosteroid injection compared with exercise therapy, especially in the long term, is limited. This trial will assess the clinical effectiveness and cost effectiveness of a corticosteroid injection compared with physiotherapist-led exercise therapy over 12 months follow-up in patients with shoulder pain in primary care. METHODS AND ANALYSIS The SIX Study is a multicentre, pragmatic randomised clinical trial in primary care. A total of 213 patients with shoulder pain, aged ≥18 years presenting in general practice will be included. Patients will be randomised (1:1) into two groups: a corticosteroid injection or 12 sessions of physiotherapist-led exercise therapy. The effect of the allocated treatment will be assessed through questionnaires at 6 weeks and after 3, 6, 9 and 12 months. The primary outcome is patient's reported shoulder pain-intensity and function, measured with the Shoulder Pain and Disability Index, over 12 months follow-up. Secondary outcomes include cost effectiveness, pain-intensity, function, health-related quality of life, sleep quality, patient's global perceived effect, work absence, healthcare utilisation and adverse events. Between group differences will be evaluated using a repeated measurements analysis with linear effects models. A cost-utility analysis will be performed to assess the cost effectiveness using quality-adjusted life years from a medical and societal perspective. ETHICS AND DISSEMINATION This study was approved by the Medical Ethics Committee of Erasmus MC University Medical Center Rotterdam (MEC 2020-0300). All participants will give written informed consent prior to data collection. The results from this study will be disseminated in international journals and implemented in the primary care guidelines on shoulder pain. TRIAL REGISTRATION NUMBER Dutch Trial Registry (NL8854).
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Affiliation(s)
| | | | | | | | | | - Marc A Koopmanschap
- Health Economics and HTA, Erasmus University Rotterdam, Rotterdam, The Netherlands
| | | | | | | | - Bart W Koes
- General Practice, Erasmus MC, Rotterdam, The Netherlands
| | - Jos Runhaar
- General Practice, Erasmus MC, Rotterdam, The Netherlands
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Treur JL, Rozema AD, Mathijssen JJP, van Oers H, Vink JM. E-cigarette and waterpipe use in two adolescent cohorts: cross-sectional and longitudinal associations with conventional cigarette smoking. Eur J Epidemiol 2018; 33:323-334. [PMID: 29260431 PMCID: PMC5889768 DOI: 10.1007/s10654-017-0345-9] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 12/09/2017] [Indexed: 11/25/2022]
Abstract
Alternative tobacco products are increasing in popularity. An important question is whether their use is associated with or even leads to conventional smoking, but large-scale (European) studies are scarce. In two cohorts of Dutch adolescents (Cohort I n = 6819, mean age = 13.8 SD = 1.1, 48.2% female; Cohort II n = 2758, mean age = 17.3 SD = 1.8, 61.3% female), we investigated use of electronic (e)-cigarettes with nicotine, e-cigarettes without nicotine and waterpipe. Generalized estimating equation modelling was conducted with ever conventional smoking as the dependent variable (0 = no, 1 = yes) and ever alternative tobacco use as the independent variable, correcting for clustering within schools, age, sex and education in both cohorts. In a subsample (n = 2100), the association between alternative tobacco use at baseline and conventional smoking 6 months later was tested, taking into account smoking propensity (based on personality, susceptibility to peer pressure and smoking intentions). Ever use prevalence was 13.7% for e-cigarettes with nicotine, 29.4% for e-cigarettes without nicotine and 22.1% for waterpipe in Cohort I and 12.3, 27.6 and 45.3% respectively in Cohort II. Ever smokers had tried alternative tobacco products more often than never smokers. Among never-smoking adolescents at baseline, alternative tobacco use predicted ever smoking 6 months later (e-cigarettes with nicotine OR 11.90 95% CI 3.36-42.11; e-cigarettes without nicotine OR 5.36 95% CI 2.73-10.52; waterpipe OR 5.36 95% CI 2.78-10.31). This association was strongest for adolescents with a low baseline risk of smoking. Experimenting with alternative tobacco products is common among Dutch youth. Alternative tobacco use predicts (future) smoking, especially among adolescents with a low smoking propensity.
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Affiliation(s)
- Jorien L Treur
- Behavioural Science Institute, Radboud University Nijmegen, Nijmegen, The Netherlands.
| | - Andrea D Rozema
- Tranzo Scientific Center for Care and Welfare, Tilburg School of Social and Behavioral Sciences, Tilburg University, Tilburg, The Netherlands
| | - Jolanda J P Mathijssen
- Tranzo Scientific Center for Care and Welfare, Tilburg School of Social and Behavioral Sciences, Tilburg University, Tilburg, The Netherlands
| | - Hans van Oers
- Tranzo Scientific Center for Care and Welfare, Tilburg School of Social and Behavioral Sciences, Tilburg University, Tilburg, The Netherlands
- RIVM National Institute for Public Health and the Environment, Bilthoven, The Netherlands
| | - Jacqueline M Vink
- Behavioural Science Institute, Radboud University Nijmegen, Nijmegen, The Netherlands
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Ten Hoor GA, Kok G, Rutten GM, Ruiter RAC, Kremers SPJ, Schols AMJW, Plasqui G. The Dutch 'Focus on Strength' intervention study protocol: programme design and production, implementation and evaluation plan. BMC Public Health 2016; 16:496. [PMID: 27287848 PMCID: PMC4902907 DOI: 10.1186/s12889-016-3150-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Accepted: 05/20/2016] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Overweight youngsters are better in absolute strength exercises than their normal-weight counterparts; a physiological phenomenon with promising psychological impact. In this paper we describe the study protocol of the Dutch, school-based program 'Focus on Strength' that aims to improve body composition of 11-13 year old students, and with that to ultimately improve their quality of life. METHODS The development of this intervention is based on the Intervention Mapping (IM) protocol, which starts from a needs assessment, uses theory and empirical research to develop a detailed intervention plan, and anticipates program implementation and evaluation. This novel intervention targets first year students in preparatory secondary vocational education (11-13 years of age). Teachers are the program implementers. One part of the intervention involves a 30 % increase of strength exercises in the physical education lessons. The other part is based on Motivational Interviewing, promoting autonomous motivation of students to become more physically active outside school. Performance and change objectives are described for both teachers and students. The effectiveness of the intervention will be tested in a Randomized Controlled Trial in 9 Dutch high schools. DISCUSSION Intervention Mapping is a useful framework for program planning a school-based program to improve body composition and motivation to exercise in 11-13 year old adolescents by a "Focus on Strength". TRIAL REGISTRATION NTR5676 , registered 8 February 2016 (retrospectively registered).
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Affiliation(s)
- G A Ten Hoor
- Department of Human Biology, Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616, 6200, MD, Maastricht, The Netherlands.
- Department of Work and Social Psychology, Maastricht University, P.O. Box 616, 6200, MD, Maastricht, The Netherlands.
| | - G Kok
- Department of Work and Social Psychology, Maastricht University, P.O. Box 616, 6200, MD, Maastricht, The Netherlands
| | - G M Rutten
- Department of Health Promotion, Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616, 6200, MD, Maastricht, The Netherlands
| | - R A C Ruiter
- Department of Work and Social Psychology, Maastricht University, P.O. Box 616, 6200, MD, Maastricht, The Netherlands
| | - S P J Kremers
- Department of Health Promotion, Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616, 6200, MD, Maastricht, The Netherlands
| | - A M J W Schols
- Department of Respiratory Medicine, Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616, 6200, MD, Maastricht, The Netherlands
| | - G Plasqui
- Department of Human Biology, Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, P.O. Box 616, 6200, MD, Maastricht, The Netherlands
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