Publications by authors named "Boonstra N"

Background/objectives: Negative symptoms in schizophrenia spectrum disorders are related to impaired social functioning and lower quality of life, making accurate assessment important. To date, most tools for assessing negative symptoms are observational, which can be influenced by the raters' experience and opinion. Self-rating scales, like the Self-Evaluation of Negative Symptoms (SNS), could complement observer ratings by adding information from the patient's perspective.

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Background: Symptom severity and social functioning are important outcomes after first episode psychosis (FEP), yet current evidence about associations between them is inconsistent and lacks (subclinical) momentary insights.

Methods: The current Ecological Momentary Assessment (EMA) study was conducted in 58 people in remission from FEP, as part of the HAMLETT (Handling Antipsychotic Medication: Long-term Evaluation of Targeted Treatment) trial. At baseline, participants were prompted to report momentary mental states and social context 10x/day for eight consecutive days, including psychotic experiences (PEs), motivation/drive and negative affect, that may indicate proxies of (subclinical) psychotic, negative and general affective symptoms, respectively.

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Introduction: Individuals with mental health disorders tend to smoke more frequently and intensely than the general population; however, smoking cessation efforts are still often neglected in mental health care.

Methods: This position paper advocates for creating a more prominent role for mental health nurses in assisting individuals with severe psychiatric disorders to quit smoking.

Results: Given their extensive patient contact and holistic care approach, mental health nurses are uniquely positioned to lead smoking cessation initiatives.

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In this meta-analysis, we evaluated changes in cognition for patients with schizophrenia spectrum disorders (SSD) with different durations of illness (DOIs). Records were identified through searches in PubMed, PsycINFO, CINAHL, and Cochrane until December 2021. We used terms related to SSDs, chronicity, course, and recovery.

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Clinical outcomes after a first-episode of psychosis (FEP) are heterogeneous. Many patient-related factors such as gender and comorbidity have been studied to predict symptomatic outcomes. However, psychiatrist-related factors such as prescription behaviour and gender have received little attention.

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Background: Eye contact is one of the most fundamental forms of interhuman communication. However, to date, there has been no comprehensive research comparing how eye contact is made and interpreted in all possible populations worldwide. This study presents a summary of the existing literature on these modalities stratified to social categorizations and psychiatric disorders.

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The Diagnostic and Statistical Manual of Mental Disorders, abbreviated as the DSM, is one of mental health care's most commonly used classification systems. While the DSM has been successful in establishing a shared language for researching and communicating about mental distress, it has its limitations as an empirical compass. In the transformation of mental health care towards a system that is centered around shared decision-making, person-centered care, and personal recovery, the DSM is problematic as it promotes the disengagement of people with mental distress and is primarily a tool developed for professionals to communicate patients instead of patients.

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Vibrotactile feedback can be built into clothing such as vests. This means that often vibrotactile information is presented to the back. It is known that the back has a relatively low spatial acuity.

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Background: Highly accessible youth initiatives worldwide aim to prevent worsening of mental health problems, but research into outcomes over time is scarce.

Aims: This study aimed to evaluate outcomes and support use in 12- to 15-year-old visitors of the @ease mental health walk-in centres, a Dutch initiative offering free counselling by trained and supervised peers.

Method: Data of 754 visitors, collected 2018-2022, included psychological distress (Clinical Outcomes in Routine Evaluation 10 (CORE-10)), social and occupational functioning (Social and Occupational Functioning Assessment Scale (SOFAS)), school absenteeism and support use, analysed with change indicators (first to last visit), and mixed models (first three visits).

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Patients with psychotic disorders frequently report oral health problems, while mental health nurses (MHNs) seem not to be fully aware of these problems and the risk factors. Therefore, this study aimed to develop supportive tools for MHNs regarding oral health to increase sensitisation among MHNs and provide MHNs with the knowledge to recognise (potential) oral health problems in patients with a psychotic disorder. We used a human-centred design in which the user, MHNs and experts by experience were placed at the centre of the research process.

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Background And Hypothesis: In schizophrenia spectrum disorders (SSD) personal recovery and subjective quality of life (S-QOL) are crucial and show conceptual overlap. There is limited knowledge about how these outcomes change over time. Therefore, we investigated changes in personal recovery or S-QOL for patients with SSD.

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Background: The concept of personal recovery after psychotic illness focuses more on patients' social and existential needs compared to traditional outcome measures including clinical and functional recovery. This research aims to contribute to a broad framework on (personal) recovery and associated factors.

Methods: Data from 203 persons with symptomatic remission of their first-episode psychosis from the ongoing HAMLETT study were analyzed.

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Background: Psychiatric-mental health nurse practitioners (PMHNPs) in the Netherlands have been allowed to perform the role of coordinating practitioner (CP) since 2018. This role is reserved for mental health care specialists who are trained and qualified at the master's degree level. Earlier studies have not addressed how PMHNPs perform that role and what mechanisms and contextual factors determine their performance.

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Article Synopsis
  • - The study focused on how often individuals with psychotic symptoms are included in design studies aimed at improving mental health care.
  • - It aimed to assess whether this population is adequately represented in the development of mental health innovations.
  • - The findings prompt a reflection on the importance of including diverse mental health experiences in research and design processes.
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Aim: A first episode of psychosis (FEP) is a stressful, often life-changing experience. Scarce information is available about personal preferences regarding their care needs during and after a FEP. Whereas a more thorough understanding of these preferences is essential to aid shared decision-making during treatment and improve treatment satisfaction.

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Myotonic dystrophy type 1 is one of the most common genetic neuromuscular diseases in adults. The disease not only affects the musculoskeletal system, but is multisystemic, and ocular involvement with cataract formation is a frequent additional finding. To avoid recurrence of secondary opacification that is difficult to treat, the cataract should not be treated with traditional lens replacement.

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Background: Clients with severe mental illness (SMI) have overall poor physical health. SMI reduces life expectancy by 5-17 years, primarily due to physical comorbidity linked to cardiometabolic risks that are mainly driven by unhealthy lifestyle behaviours. To improve physical health in clients with SMI, key elements are systematic somatic screening and lifestyle promotion.

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Background: Mental health care faces challenges that not only necessitate innovation but also require the involvement of service users and people with lived experience in developing and evaluating mental health care services. As the development of digital interventions is becoming more prevalent, design approaches are increasingly finding their way into mental health. There is evidence that these approaches can successfully integrate user experience into mental health services.

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In schizophrenia spectrum disorders, improvement in symptoms varies between patients with short and long durations of illness. In this meta-analysis we provided an overview of both short- and long-term symptomatic improvement for patients with schizophrenia spectrum disorders with distinct durations of illness. We included 82 longitudinal studies assessing the course of positive, negative, depressive and disorganization symptoms.

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Article Synopsis
  • In a study, researchers looked at people at high risk for psychosis and found they had self-stigma, which is negative feelings about themselves, just like those already diagnosed with schizophrenia.
  • They tested 184 participants, including those with schizophrenia, those at high risk, and regular people, to see how self-stigma and cognitive insight (how well people understand their own thoughts) were connected.
  • Results showed that both groups had similar levels of self-stigma, indicating that feelings of self-stigma start early in those at risk, and that cognitive insight was related to these feelings in different ways.
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Background: To improve recovery in mental health, validated instruments are needed.

Aims: This study evaluates psychometric properties of the Individual Recovery Outcomes Counter (I.ROC) in a Dutch population of participants with a schizophrenia spectrum disorder (SSD).

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Background: Receiving the label of a psychotic disorder influences self-perception and may result in negative outcomes such as self-stigma and decreased self-esteem. The way the diagnosis is communicated to individuals may affect these outcomes.

Aims: This study aims to explore the experiences and needs of individuals after a first episode of psychosis with regard to the way in which information about diagnosis, treatment options and prognosis is communicated with them.

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In mental health, oral health is often given little attention. Mental health nurses (MHNs) are professionally the appropriate target group to support maintaining and increasing oral health. We aimed to develop and validate personas that reflect the attitudes and needs of MHNs regarding oral health in patients with a psychotic disorder.

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