Publications by authors named "Slooff C"

Objective: This article describes the development and testing of the Functional Recovery tool (FR tool), a short instrument for assessing functional recovery during routine outcome monitoring of people living with serious mental illnesses.

Methods: To assess functional recovery, mental health professionals conducted semistructured interviews with people living with serious mental illnesses on three areas of social functioning: daily living and self-care, work and study, and social contacts. Functioning in each of these areas over the past 6 months was rated on a 3-point scale: 0 (independent), 1 (partially independent), and 2 (dependent).

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Altered emotional experiences in response to antipsychotics may increase the burden of disease in patients with schizophrenia. In a large cross-sectional study, patients with schizophrenia completed the Subjects Reaction to Antipsychotics questionnaire (SRA) to assess whether they attributed altered emotional experiences (flattened affect or depressive symptoms) to their antipsychotics. Association with antipsychotic D2 receptor affinity and occupancy was examined using logistic regression.

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Background: Instruments are used for routine outcome monitoring of patients with severe mental illness in order to measure psychiatric symptoms, care needs and quality of life. By adding an instrument for measuring functional remission a more complete picture can be given of the complaints, the symptoms and general functioning, which can give direction to providing care for patients with severe mental illness.

Aim: To describe the development and testing of a new instrument of functional remission (FR) among people with a psychotic disorder or another serious mental disorder (SMI) as an addition to the symptomatic remission (SR), according to international criteria.

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Aims: The aim of this study was to estimate the effects of lifestyle interventions on bodyweight and other cardiometabolic risk factors in people with psychotic disorders. Additionally, the long-term effects on body weight and the effects on depressive symptoms were examined.

Material And Methods: We searched four databases for randomized controlled trials (RCTs) that compared lifestyle interventions to control conditions in patients with psychotic disorders.

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Background: Self-report instruments for the assessment of depressive symptoms in patients with psychotic disorders are scarce. The Quick Inventory of Depressive Symptoms (QIDS-SR16) may be a useful self-report instrument, but has received little attention in this field. This paper aimed to test the psychometric properties of the QIDS-SR16 questionnaire in patients with a psychotic disorder.

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Purpose: This study compares stigmatizing attitudes of different healthcare professionals towards psychiatry and patients with mental health problems.

Methods: The Mental Illness Clinicians Attitude (MICA) questionnaire is used to assess stigmatizing attitudes in three groups: general practitioners (GPs, n = 55), mental healthcare professionals (MHCs, n = 67) and forensic psychiatric professionals (FPs, n = 53).

Results: A modest positive attitude towards psychiatry was found in the three groups (n = 176).

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Objective: Many patients with schizophrenia are not treated in line with evidence-based guidelines. This study examines the large-scale implementation of the National Multidisciplinary Guideline for schizophrenia in the Netherlands.

Design: /st> Observational, prospective study, with repeated measurement.

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Background: Monitoring patients' experiences with antipsychotics may help to improve medication adherence and outcome. We aimed to develop a shorter version of a comprehensive 74-item self-report questionnaire suitable for routine monitoring of desired and undesired effects of antipsychotics.

Methods: Included were patients with psychotic disorders from seven mental health care organizations in The Netherlands, using antipsychotic medication, who completed the Subjects' Response to Antipsychotics (SRA-74).

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The aim was to explore weight and body mass index (BMI) changes by baseline BMI in patients completing three years of monotherapy with various first- and second-generation antipsychotics in a large cohort in a post hoc analysis of three-year observational data. Data were analyzed by antipsychotic and three baseline BMI bands: underweight/normal weight (BMI <25 kg/m²), overweight (25-30 kg/m²) and obese (>30 kg/m²). Baseline BMI was associated with subsequent weight change irrespective of the antipsychotic given.

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Background: Weight change data from randomized clinical trials are often of limited duration and trials do not always report a full range of clinically relevant categorical end points.

Method: We conducted a post hoc analysis of data from the observational Worldwide Schizophrenia Outpatient Health Outcomes database (2000-2005) on weight change in 4,626 patients completing 3 years of antipsychotic monotherapy with amisulpride, clozapine, olanzapine, quetiapine, risperidone, and oral and depot first-generation antipsychotics (FGAs). Reported outcomes included mean and categorical weight changes and the trajectories of different measures of weight change.

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Background: Depressive symptoms require accurate recognition and monitoring in clinical practice of patients with schizophrenia. Depression instruments developed for use in depressed patients may not discriminate depressive symptoms from negative psychotic symptoms.

Objective: We reviewed depression instruments on their reliability and validity in patients with schizophrenia.

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Unlabelled: This study examined the quality of mental health care for people with schizophrenia in eight regions in The Netherlands as assessed by the QUARTS: Quality Assessment of Regional Treatment Systems for Schizophrenia. The focus was on determining whether the introduction of multidisciplinary guidelines improved quality in service provision.

Methods: The QUARTS, a standardized interview instrument, addresses the availability of and satisfaction with services from the perspectives of clinicians, patients, families, and community organizations.

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Background: Antidepressants are frequently prescribed in patients with psychotic disorders, but little is known about their effects in routine clinical practice. The objective was to investigate the prescribing patterns of antidepressants in relation to the course of depressive symptoms in patients with psychotic disorders.

Methods: A cohort of 214 Dutch patients with psychotic disorders received two assessments of somatic and psychiatric health, including a clinician-rated screening for depressive symptoms, as part of annual routine outcome monitoring.

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Background: Patients suffering from psychotic disorders have an increased risk of comorbid somatic diseases such as cardiovascular disorders and diabetes mellitus. Doctor-related factors, such as unfamiliarity with these patients, as well as patient-related factors, such as cognitive disturbance and negative symptoms, contribute to suboptimal health care for these patients.General practitioners (GPs) could play a key role in diagnosing and treating this somatic comorbidity as in the Netherlands, almost all residents are registered at a general practice.

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Background: Negative symptoms in patients with schizophrenia predict a worse social outcome. The treatment options for negative symptoms are extremely limited. Various treatment strategies have been studied in which several types of medication were added to antipsychotics in order to alleviate negative symptoms.

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Background: Routine outcome monitoring (ROM) means the assessment of the patient's condition on a routine basis using instruments. So far there is no consensus about which instruments should be used for ROM with severely mentally ill patients (ROM-SMI).

Aim: To reach a consensus about instruments for ROM-SMI in the Netherlands and Belgium and to create possibilities for comparison of ROM data.

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Background: Neuroimaging findings implicate bilateral superior temporal regions in the genesis of auditory-verbal hallucinations (AVH). This study aimed to investigate whether 1 Hz repetitive transcranial magnetic stimulation (rTMS) of the bilateral temporo-parietal region would lead to increased effectiveness in the management of AVH, compared to left rTMS or placebo.

Methods: 38 patients with schizophrenia (DSM-IV) and medication-resistant AVH were randomly assigned to 1 Hz rTMS treatment of the left temporo-parietal region, bilateral temporo-parietal regions, or placebo.

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Although it has been suggested that second-generation antipsychotics (SGA) may reduce the rate of prevalent tardive dyskinesia (TD), little is known about the incidence and outcome of TD in those exposed exclusively to SGA. The incidence and subsequent persistence of TD and extrapyramidal symptoms (EPS) was calculated in a cohort of patients with schizophrenia treated predominantly with SGA. This cohort of more than 10,000 patients with schizophrenia was seen six times over a period of two years.

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Background: Patients with severe mental illness (SMI) experience distress and disabilities in several aspects of life, and they have a higher risk of somatic co-morbidity. Both patients and their family members need the support of an easily accessible primary care system. The willingness of general practitioners and the impeding factors for them to participate in providing care for patients with severe mental illness in the acute and the chronic or residual phase were explored.

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Cross-sectional studies showed a high prevalence of metabolic syndrome in patients with schizophrenia.This study aimed to identify the incidence of metabolic syndrome and its reversal in a non-preselected cohort of chronic psychotic patients in routine practice in one year follow-up and to find variables to describe development and reversal of metabolic syndrome. This cohort study was conducted as part of a disease management program and patients were included if they had two complete assessments in a one year follow-up.

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Background: Antipsychotics are effective drugs that are prescribed frequently for a large group of patients. However, they also have many side-effects which can lead ultimately to serious somatic complications. These complications fall into various categories: metabolic, cardiovascular, neurobiological, haematological, gastro-intestinal and urogenital.

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Objective: To investigate the feasibility of switching overweight schizophrenic patients to aripiprazole and to assess the impact of 12 months of aripiprazole treatment on weight in routine practice.

Method: This was a non-controlled cohort study in overweight schizophrenic patients. Data were collected before treatment with aripiprazole was started and at 12-month follow-up.

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Objective: The objective of the study was to examine if worsening of psychosis predicts the emergence of tardive dyskinesia (TD).

Method: Global measures of TD and Clinical Global Impression (CGI) overall symptom severity score were rated in 4 assessments in 12 months. In a risk set free of TD at baseline, associations between TD onset and change in CGI scores were assessed using Cox proportional hazard regression.

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Background: In primary care, GPs usually provide care for patients with chronic diseases according to professional guidelines. However, such guidelines are not available in the Netherlands for patients with recurring psychoses. It seems that the specific difficulties that GPs experience in providing care for these patients hinder the development and implementation of such guidelines.

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