Publications by authors named "Bikker A"

Article Synopsis
  • The study compares ambulance paramedics' use of the modified HEART-score with point-of-care cardiac troponin testing to emergency physicians' use of the same score with high-sensitive cTn in patients suspected of having non-ST-elevation acute coronary syndrome (NSTE-ACS).
  • It evaluates the interobserver agreement and diagnostic performance of four different cTn testing strategies, aiming to improve the accuracy of NSTE-ACS diagnoses and reduce unnecessary hospitalizations.
  • The POPular HEART study seeks to enhance pre-hospital detection of NSTE-ACS, ultimately aiming to lower healthcare costs and improve patient outcomes.
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Background: More people are surviving a first primary cancer and experiencing a second, different cancer. However, little is known about the diagnostic journeys of patients with second primary cancer (SPC). This study explores the views of patients and general practitioners (GPs) on their experiences of pathways to diagnosis of SPC, including the influence of a previous diagnosis of cancer on symptom appraisal, help-seeking and referral decisions.

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In 2014, the Indonesian government passed the Mental Health Act (MHA) to address the country's complex mental health situation. The implementation of the MHA has been slow, and little is known about how the MHA is perceived by mental healthcare providers within local settings. This study aimed to obtain insight into psychiatrists' views on the MHA, including on how it affected their clinical practice and on challenges of translating the MHA into practice.

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Background: Growing demands on primary care services have led to policymakers promoting video consultations (VCs) to replace routine face-to-face consultations (FTFCs) in general practice.

Aim: To explore the content, quality, and patient experience of VC, telephone (TC), and FTFCs in general practice.

Design And Setting: Comparison of audio-recordings of follow-up consultations in UK primary care.

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Background: People increasingly communicate online, using visual communication mediums such as Skype and FaceTime. Growing demands on primary care services mean that new ways of providing patient care are being considered. Video consultation (VC) over the internet is one such mode.

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Objective: To explore the potential of salivary gland biopsy supernatants (the secretome) as a novel tool to aid in stratification of patients with sicca syndrome and to study local immunopathology in Sjögren's syndrome.

Methods: Labial salivary gland biopsies were incubated in saline for 1 hour. In these tissue supernatants from a discovery cohort (n=16) of patients with primary Sjögren's syndrome (pSS) and non-Sjögren's sicca (nSS), 101 inflammatory mediators were measured by Luminex.

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Though new or altered bodily sensations are a common occurrence they rarely transition to biomedically defined symptoms. When they do, sensations are subject to an appraisal process that can culminate in help-seeking. The transition has particular relevance for cancer diagnoses.

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Background: The receptionist is pivotal to the smooth running of general practice in the UK, communicating with patients and booking appointments.

Aim: The authors aimed to explore the role of the receptionist in the implementation of new approaches to consultations in primary care.

Design And Setting: The authors conducted a team-based focused ethnography.

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Purpose: The influence of multimorbidity on the clinical encounter is poorly understood, especially in areas of high socioeconomic deprivation where burdensome multimorbidity is concentrated. The aim of the current study was to examine the effect of multimorbidity on general practice consultations, in areas of high and low deprivation.

Methods: We conducted secondary analyses of 659 video-recorded routine consultations involving 25 general practitioners (GPs) in deprived areas and 22 in affluent areas of Scotland.

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Background: NHS policy encourages general practices to introduce alternatives to the face-to-face consultation, such as telephone, email, e-consultation systems, or internet video. Most have been slow to adopt these, citing concerns about workload. This project builds on previous research by focusing on the experiences of patients and practitioners who have used one or more of these alternatives.

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Introduction: As cancer survivors continue to live longer, the incidence of second primary cancers (SPCs) will also rise. Relatively little is understood about the diagnostic pathway for SPCs, how people appraise, interpret symptoms and seek help for a second different cancer and the experiences (including challenges) of healthcare providers relating to SPCs. This study aims to systematically appraise and synthesise the literature on the pathways to diagnosis of an SPC and the associated patient and healthcare provider experiences.

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Background: Increasingly healthcare policies emphasise the importance of person-centred, empathic care. Consequently, healthcare professionals are expected to demonstrate the 'human' aspects of care in training and in practice. The Consultation and Relational Empathy (CARE) Measure is a patient-rated measure of the interpersonal skills of healthcare practitioners.

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Focused ethnography is an applied and pragmatic form of ethnography that explores a specific social phenomenon as it occurs in everyday life. Based on the literature a problem-focused research question is formulated before the data collection. The data generation process targets key informants and situations so that relevant results on the pre-defined topic can be obtained within a relatively short time-span.

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Background: Digital health has the potential to support care delivery for chronic illness. Despite positive evidence from localized implementations, new technologies have proven slow to become accepted, integrated, and routinized at scale.

Objective: The aim of our study was to examine barriers and facilitators to implementation of digital health at scale through the evaluation of a £37m national digital health program: ‟Delivering Assisted Living Lifestyles at Scale" (dallas) from 2012-2015.

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Purpose: We set out to compare patients' expectations, consultation characteristics, and outcomes in areas of high and low socioeconomic deprivation, and to examine whether the same factors predict better outcomes in both settings.

Methods: Six hundred fifty-nine patients attending 47 general practitioners in high- and low-deprivation areas of Scotland participated. We assessed patients' expectations of involvement in decision making immediately before the consultation and patients' perceptions of their general practitioners' empathy immediately after.

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Article Synopsis
  • Platelet concentrates are given to prevent bleeding, and the study aimed to evaluate their effectiveness using a new test to measure platelet function in severely thrombocytopenic patients.
  • Researchers assessed platelet reactivity through flow cytometry before and after transfusion, finding significant increases in platelet activation markers like P-selectin across different agonists.
  • Results indicated that transfused platelets regained functionality post-transfusion, but best functionality was noted when incubated ex vivo, suggesting a rapid clearance of activated platelets from circulation.
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Background: Empathic patient-centred care is central to high quality health encounters. The Consultation and Relational Empathy (CARE) Measure is a patient-rated experience measure of the interpersonal quality of healthcare encounters. The measure has been extensively validated and is widely used by doctors in primary care but has not been validated in nursing.

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Background: Few studies have assessed the importance of a broad range of verbal and non-verbal consultation behaviours.

Aim: To explore the relationship of observer ratings of behaviours of videotaped consultations with patients' perceptions.

Design And Setting: Observational study in general practices close to Southampton, Southern England.

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Objectives: Thymic Stromal Lymphopoietin (TSLP) is a potent immunomodulatory cytokine involved in Th2- and Th17-mediated immune responses in different autoimmune diseases. TSLP expression in relation to disease activity was studied in salivary glands of primary Sjögren's syndrome (pSS) patients as compared to non-SS sicca (nSS) controls.

Methods: Tissue sections of minor salivary glands from pSS and nSS patients were stained with monoclonal antibodies against human TSLP, CD3, CD19 and cytokeratin high molecular weight (CK HMW) or stained for Alcian blue to detect mucus production.

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Objectives: To investigate the potential synergy of IL-7-driven T cell-dependent and TLR7-mediated B cell activation and to assess the additive effects of monocyte/macrophages in this respect.

Methods: Isolated CD19 B cells and CD4 T cells from healthy donors were co-cultured with TLR7 agonist (TLR7A, Gardiquimod), IL-7, or their combination with or without CD14 monocytes/macrophages (T/B/mono; 1 : 1 : 0,1). Proliferation was measured using 3H-thymidine incorporation and Ki67 expression.

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Background: Most patients with depression are managed in general practice. In deprived areas, depression is more common and poorer outcomes have been reported.

Aim: To compare general practice consultations and early outcomes for patients with depression living in areas of high or low socioeconomic deprivation.

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Objectives: To investigate whether the immunomodulatory capacities of leflunomide are associated with clinical efficacy in the treatment of primary Sjögren's syndrome (SS) in a phase II pilot study.

Methods: Peripheral blood mononuclear cells from 13 primary SS patients were obtained at baseline and after 24 weeks of leflunomide treatment. Ex-vivo production of interleukin (IL) 1β and tumour necrosis factor α (TNFα) and of interferon (IFN), IL-4, as well as TNFα ELISA measured production on T-cell and monocyte stimulation.

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