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Dive into the research topics where Annelies Colliers is active.

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Featured researches published by Annelies Colliers.


BMC Research Notes | 2016

Improving Care And Research Electronic Data Trust Antwerp (iCAREdata): a research database of linked data on out-of-hours primary care

Annelies Colliers; Stefaan Bartholomeeusen; Roy Remmen; Samuel Coenen; Barbara Michiels; Hilde Bastiaens; Paul Van Royen; Veronique Verhoeven; Philip Holmgren; Bernard De Ruyck; Hilde Philips

BackgroundPrimary out-of-hours care is developing throughout Europe. High-quality databases with linked data from primary health services can help to improve research and future health services.MethodsIn 2014, a central clinical research database infrastructure was established (iCAREdata: Improving Care And Research Electronic Data Trust Antwerp, www.icaredata.eu) for primary and interdisciplinary health care at the University of Antwerp, linking data from General Practice Cooperatives, Emergency Departments and Pharmacies during out-of-hours care. Medical data are pseudonymised using the services of a Trusted Third Party, which encodes private information about patients and physicians before data is sent to iCAREdata.ResultsiCAREdata provides many new research opportunities in the fields of clinical epidemiology, health care management and quality of care. A key aspect will be to ensure the quality of data registration by all health care providers.ConclusionsThis article describes the establishment of a research database and the possibilities of linking data from different primary out-of-hours care providers, with the potential to help to improve research and the quality of health care services.


International journal of adolescent medicine and health | 2009

Screening Belgian university students for Chlamydia trachomatis infection: a feasibility study.

Annelies Colliers; Ann Verster; Karolien Van Puyenbroeck; Michel Stalpaert; Paul Van Royen; Veronique Verhoeven

UNLABELLED In this study we examine the attainability and usefulness of opportunistic screening for Chlamydia trachomatis infection based on self-assessed risk, among university students in Belgium. METHODS A self-administered questionnaire was filled out by students (n = 243, 77.8% female, 22.2% male), who were asked to assess their own risk, to decide if their participation was useful, and to collect a first-void urine sample. Specimens were refrigerated and delivered to the laboratory on the same day. Screening for C. trachomatis DNA was performed by PCR. A Positive result was confirmed by another amplification assay. RESULTS Two hundred forty three students took part in the study. One hundred thirteen participants did not meet the inclusion criteria. Ages varied from 18 to 39 years, with a mean age of 21.49 years. The overall prevalence of C. trachomatis infection was 2.9%. The prevalence of C. trachomatis infection in the group of students who met the inclusion criteria was 5.4%. Having a new partner in the past six months and having had more than one partner in the last year were the most frequent reported risk factors in male and female participants. CONCLUSIONS Screening students is a useful and feasible strategy to diagnose asymptomatic chlamydial infection. However assessing their own risk of infection seemed difficult for students. The overscreening of youngsters not at risk and the limited participation of males should get extra attention.


Acta Clinica Belgica | 2015

Agreement on urgency assessment between secretaries and general practitioners: an observational study in out-of-hours general practice service in Belgium

Hilde Philips; J. E. A. M. van Bergen; L. Huibers; Annelies Colliers; Stefaan Bartholomeeusen; Samuel Coenen; Roy Remmen

Background: In some European countries telephone triage (TT) during out-of-hours primary care showed to be safe and effective. Other countries, such as Belgium, may not have trained auxiliary personnel while their national health services want to establish TT. Objectives: To compare urgency levels assessed by secretaries and general practitioners in one general practice cooperative in Belgium. Methods: Percentage of correct-, under-, and over-triage were calculated in total and per reason for encounter. Inter-rater agreement was investigated. Results: The secretaries correctly triaged (same urgency level) 77% of the telephone calls, under-triaged 10% and over-triaged 13%.‘Shortness of breath’, ‘skin cuts’, ‘chest pain’, ‘feeling unwell’ and ‘syncope’ were often under-triaged. Conclusion: Before introducing TT, auxiliary staff should be trained and protocols should be used.


BMJ Open | 2017

The impact of interventions to improve the quality of prescribing and use of antibiotics in primary care patients with respiratory tract infections: a systematic review protocol

Nahara Anani Martínez-González; Samuel Coenen; Andreas Plate; Annelies Colliers; Thomas Rosemann; Oliver Senn; Stefan Neuner-Jehle

Introduction Respiratory tract infections (RTIs) are the most common reason for primary care (PC) consultations and for antibiotic prescribing and use. The majority of RTIs have a viral aetiology however, and antibiotic consumption is ineffective and unnecessary. Inappropriate antibiotic use contributes greatly to antibiotic resistance (ABR) leading to complications, increased adverse events, reconsultations and costs. Improving antibiotic consumption is thus crucial to containing ABR, which has become an urgent priority worldwide. We will systematically review the evidence about interventions aimed at improving the quality of antibiotic prescribing and use for acute RTI. Methods and analysis We will include primary peer-reviewed and grey literature of studies conducted on in-hours and out-of-hours PC patients (adults and children): (1) randomised controlled trials (RCTs), quasi-RCTs and/or cluster-RCTs evaluating the effectiveness, feasibility and acceptability of patient-targeted and clinician-targeted interventions and (2) RCTs and other study designs evaluating the effectiveness of public campaigns and regulatory interventions. We will search MEDLINE (EBSCOHost), EMBASE (Elsevier), the Cochrane Library (Wiley), CINHAL (EBSCOHost), PsychINFO (EBSCOHost), Web of Science, LILACS (Latin American and Caribbean Literature on Health Sciences), TRIP (Turning Research Into Practice) and opensgrey.eu without language restriction. We will also search the reference lists of included studies and relevant reviews. Primary outcomes include the rates of (guideline-recommended) antibiotics prescribed and/or used. Secondary outcomes include immediate or delayed use of antibiotics, and feasibility and acceptability outcomes. We will assess study eligibility and risk of bias, and will extract data. Data permitting, we will perform meta-analyses. Ethics and dissemination This is a systematic review protocol and so formal ethical approval is not required. We will not collect confidential, personal or primary data. The findings of this review will be disseminated at national and international scientific meetings. Trial registration number PROSPERO trial (CRD42017035305).


BMJ Open | 2017

Optimising the quality of antibiotic prescribing in out-of-hours primary care in Belgium: a study protocol for an action research project

Annelies Colliers; Samuel Coenen; Hilde Philips; Roy Remmen; Sibyl Anthierens

Introduction Antimicrobial resistance is a major public health threat driven by inappropriate antibiotic use, mainly in general practice and for respiratory tract infections. In Belgium, the quality of general practitioners’ (GPs) antibiotic prescribing is low. To improve antibiotic use, we need a better understanding of this quality problem and corresponding interventions. A general practitioners cooperative (GPC) for out-of-hours (OOH) care presents a unique opportunity to reach a large group of GPs and work on quality improvement. Participatory action research (PAR) is a bottom-up approach that focuses on implementing change into daily practice and has the potential to empower practitioners to produce their own solutions to optimise their antibiotic prescribing. Methods This PAR study to improve antibiotic prescribing quality in OOH care uses a mixed methods approach. In a first exploratory phase, we will develop a partnership with a GPC and map the existing barriers and opportunities. In a second phase, we will focus on facilitating change and implementing interventions through PDSA (Plan-Do-Study-Act) cycles. In a third phase, antibiotic prescribing quality outside and antibiotic use during office hours will be evaluated. Equally important are the process evaluation and theory building on improving antibiotic prescribing. Ethics The study protocol was approved by the Ethics Committee of the Antwerp University Hospital/University of Antwerp. PAR unfolds in response to the needs and issues of the stakeholders, therefore new ethics approval will be obtained at each new stage of the research. Dissemination Interventions to improve antibiotic prescribing are needed now more than ever and outcomes will be highly relevant for GPCs, GPs in daily practice, national policymakers and the international scientific community. Trial registration number NCT03082521; Pre-results.


Acta Clinica Belgica | 2017

Implementation of a general practitioner cooperative adjacent to the emergency department of a hospital increases the caseload for the GPC but not for the emergency department.

Annelies Colliers; Roy Remmen; Marie-Luise Streffer; Barbara Michiels; Stefaan Bartholomeeusen; Koenraad G. Monsieurs; Jef Goris; Samuel Coenen; Veronique Verhoeven; Hilde Philips

Background: The implementation of general practitioner cooperatives (GPC) for out-of-hours (OOH) primary care, raises the question if the location of a GPC adjacent to a hospital reduces the OOH caseload of the emergency department (ED). Methods: Two natural experiments were used in this before–after study, the effect of the implementation of two GPCs in two different regions on the out-of-hours caseload of the local EDs was compared. One GPC was located adjacent to the ED of a general hospital, the other was not. GPCs (or rota systems) and EDs in comparable regions were selected as control groups during the same study period. The study was performed in Flanders (Belgium) with no gatekeeping function for general practitioners (GPs). Results: After implementation of the GPC there was a significantly increase in caseload at the GPC in the two regions, mainly due to an increase of consultations with small children. There were no significant changes in caseload at the ED services. Self-referrals’ to the ED did not change significantly. For the GPs the number of home visits decreased during out-of-hours in one region. Conclusion: In a country with no gatekeeping role for GPs, implementing a GPC increased the out-of-hours caseload of the GPCs. The caseload of the EDs stabilised during the study period.


BMJ Open | 2018

How do general practitioners and pharmacists experience antibiotic use in out-of-hours primary care? An exploratory qualitative interview study to inform a participatory action research project

Annelies Colliers; Samuel Coenen; Roy Remmen; Hilde Philips; Sibyl Anthierens

Rationale Antibiotics (ABs) are one of the most prescribed medications in out-of-hours (OOH) care in Belgium. Developing a better understanding of why ABs are prescribed in this setting is essential to improve prescribing habits. Objectives To assess AB prescribing and dispensing challenges for general practitioners (GPs) and pharmacists in OOH primary care, and to identify context-specific elements that can help the implementation of behaviour change interventions to improve AB prescribing in this setting. Design This is an exploratory qualitative study using semistructured interviews. This study is part of a participatory action research project. Setting and participants Participants include 17 GPs and 1 manager, who work in a Belgian OOH general practitioners cooperative (GPC), and 5 pharmacists of the area covered by the GPC. The GPC serves a population of more than 187 000 people. Results GPs feel the threshold to prescribe AB in OOH care is lower in comparion to office hours. GPs and pharmacists talk about the difference in their professional identity in OOH (they define their task differently, they feel more isolated, insecure, have the need to please and so on), type of patients (unknown patients, vulnerable patients, other ethnicities, demanding patients and so on), workload (they feel time-pressured) and lack of diagnostic tools or follow-up. They are aware of the problem of AB overprescribing, but they do not feel ownership of the problem. Conclusion The implementation of behaviour change interventions to improve AB prescribing in OOH primary care has to take these context specifics into account and could involve interprofessional collaboration between GPs and pharmacists. Trial registration number NCT03082521; Pre-results.


BMJ Open | 2018

Antivirals for influenza-Like Illness? A randomised Controlled trial of Clinical and Cost effectiveness in primary CarE (ALIC4 E): the ALIC4 E protocol

Alike W van der Velden; Emily Bongard; Johanna Cook; Ben Saville; Philippe Beutels; Rune Aabenhus; Curt Brugman; Sławomir Chlabicz; Samuel Coenen; Annelies Colliers; Melanie J. Davies; Muireann De Paor; An De Sutter; Nicholas Andrew Francis; Dominik Glinz; Maciek Godycki-Cwirko; Herman Goossens; Jane Holmes; Margareta Ieven; Menno de Jong; Morten Lindbæk; Paul Little; Frederico Martinón-Torres; Ana Moragas; József Pauer; Markéta Pfeiferová; Ruta Radzeviciene-Jurgute; Pär-Daniel Sundvall; Antoni Torres; Pia Touboul

Introduction Effective management of seasonal and pandemic influenza is a high priority internationally. Guidelines in many countries recommend antiviral treatment for older people and individuals with comorbidity at increased risk of complications. However, antivirals are not often prescribed in primary care in Europe, partly because its clinical and cost effectiveness has been insufficiently demonstrated by non-industry funded and pragmatic studies. Methods and analysis Antivirals for influenza-Like Illness? An rCt of Clinical and Cost effectiveness in primary CarE is a European multinational, multicentre, open-labelled, non-industry funded, pragmatic, adaptive-platform, randomised controlled trial. Initial trial arms will be best usual primary care and best usual primary care plus treatment with oseltamivir for 5 days. We aim to recruit at least 2500 participants ≥1 year presenting with influenza-like illness (ILI), with symptom duration ≤72 hours in primary care over three consecutive periods of confirmed high influenza incidence. Participant outcomes will be followed up to 28 days by diary and telephone. The primary objective is to determine whether adding antiviral treatment to best usual primary care is effective in reducing time to return to usual daily activity with fever, headache and muscle ache reduced to minor severity or less. Secondary objectives include estimating cost-effectiveness, benefits in subgroups according to age (<12, 12–64 and >64 years), severity of symptoms at presentation (low, medium and high), comorbidity (yes/no), duration of symptoms (≤48 hours/>48–72 hours), complications (hospital admission and pneumonia), use of additional prescribed medication including antibiotics, use of over-the-counter medicines and self-management of ILI symptoms. Ethics and dissemination Research ethics committee (REC) approval was granted by the NRES Committee South Central (Oxford B) and Clinical Trial Authority (CTA) approval by The Medicines and Healthcare products Regulatory Agency. All participating countries gained national REC and CTA approval as required. Dissemination of results will be through peer-reviewed scientific journals and conference presentations. Trial registration number ISRCTN27908921; Pre-results.


Acta Clinica Belgica | 2018

Video-recording consultations for educational purposes in out-of-hours primary care: patients and physicians are willing to participate

Bertwin Krug; Annelies Colliers; Jan Matthys; Sibyl Anthierens; Hilde Philips; Jorn Damen; Samuel Coenen; Roy Remmen

Abstract Background Video-recordings of consultations are used by general practitioner (GP) trainees to enable reflection on aspects of knowledge, skills and attitudes. Typically, these recordings are made during office hours in general practice, but little is known about using video-recording during out of hours (OOH) care, which is an important and distinct part of a GP’s work. To be able to record consultations during OOH care (i.e. at the emergency department (ED) and at the General Practitioner Cooperative (GPC)), patients must be willing to cooperate and give informed consent. Therefore, it was of interest to investigate potential barriers in these OOH settings. Methods A questionnaire on demographics and attitudes regarding consent was administered to patients and physicians at the ED and at the GPC in Sint-Niklaas, Belgium. Results A total of 346 questionnaires were completed, 23 by physicians and 323 by patients. A majority of the patients (225/286 (79%)) would consent to video-recording the consultation, without physical examination. Almost all physicians (21/23) would agree to participate. Overall, 85% (260/323) of the patients agree when only the doctor was being recorded. Patients were neutral in recording in 79% (88/224) at the GPC and 57% (56/99) at the ED. Shyness or embarrassment was present in 32% (71/224), and 28% (28/99) at the GPC and ED, respectively. We did not find any significant differences in giving consent or feelings between patients at the GPC and ED. Conclusion A vast majority of both patients and physicians would consent to video-recording their consultation in OOH primary care settings (GPC and ED), with possible concerns about privacy, shame and discomfort.


Preventive Medicine | 2006

The male factor in cervical carcinogenesis : a questionnaire study of men's awareness in primary care

Veronique Verhoeven; Marc Baay; Annelies Colliers; Ann Verster; Paul Van Royen; Dirk Avonts; Jan B. Vermorken

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