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Dive into the research topics where Arnold van Emmerik is active.

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Featured researches published by Arnold van Emmerik.


The Lancet | 2002

Single session debriefing after psychological trauma: A meta-analysis.

Arnold van Emmerik; Jan H. Kamphuis; Alexander M. Hulsbosch; Paul M. G. Emmelkamp

BACKGROUND Despite conflicting research findings and uncertain efficacy, single session debriefing is standard clinical practice after traumatic events. We aimed to assess the efficacy of this intervention in prevention of chronic symptoms of post-traumatic stress disorder and other disorders after trauma. METHODS In a meta-analysis, we selected appropriate studies from databases (Medline Advanced, PsychINFO, and PubMed), the Journal of Traumatic Stress, and reference lists of articles and book chapters. Inclusion criteria were that single session debriefing had been done within 1 month after trauma, symptoms were assessed with widely accepted clinical outcome measures, and data from psychological assessments that had been done before (pretest data) and after (post-test data) interventions and were essential for calculation of effect sizes had been reported. We included seven studies in final analyses, in which there were five critical incident stress debriefing (CISD) interventions, three non-CISD interventions, and six no-intervention controls. FINDINGS Non-CISD interventions and no intervention improved symptoms of post-traumatic stress disorder, but CISD did not improve symptoms (weighted mean effect sizes 0.65 [95% CI 0.14-1.16], 0.47 [0.28-0.66], and 0.13 [-0.29 to 0.55], respectively). CISD did not improve natural recovery from other trauma-related disorders (0.12 [-0.22 to 0.47]). INTERPRETATION CISD and non-CISD interventions do not improve natural recovery from psychological trauma.


Depression and Anxiety | 2014

The efficacy of metacognitive therapy for anxiety and depression: a meta-analytic review

Nicoline Normann; Arnold van Emmerik; Nexhmedin Morina

Metacognitive therapy (MCT) is a relatively new approach to treating mental disorders. The aim of the current meta‐analysis was to examine the efficacy of MCT in patients with mental disorders.


Psychotherapy and Psychosomatics | 2008

Treating acute stress disorder and posttraumatic stress disorder with cognitive behavioral therapy or structured writing therapy: A randomized controlled trial

Arnold van Emmerik; Jan H. Kamphuis; Paul M. G. Emmelkamp

Background: Writing assignments have shown promising results in treating traumatic symptomatology. Yet no studies have compared their efficacy to the current treatment of choice, cognitive behavior therapy (CBT). The present study evaluated the efficacy of structured writing therapy (SWT) and CBT as compared to a waitlist control condition in treating acute stress disorder (ASD) and posttraumatic stress disorder (PTSD). Methods: A randomized controlled trial was conducted at an outpatient clinic. Participants (n = 125) (a) satisfied DSM-IV criteria for ASD or PTSD, (b) were 16 years or older, (c) were sufficiently fluent in Dutch or English, (d) had no psychiatric problems except ASD or PTSD that would hinder participation or required alternative clinical care, and (e) received no concurrent psychotherapy. Treatment consisted of five 1.5-hour sessions of CBT or SWT for participants with ASD or acute PTSD and ten 1.5-hour sessions for participants with chronic PTSD. Outcome measures included the Structured Clinical Interview for DSM-IV, Impact of Event Scale, Beck Depression Inventory, State-Trait Anxiety Inventory and the Dissociative Experiences Scale. Results: At posttest and follow-up, treatment was associated with improved diagnostic status and lower levels of intrusive symptoms, depression and state anxiety, while a trend was noted for the reduction of avoidance symptoms. Treatment did not result in lower levels of trait anxiety or dissociation. No differences in efficacy were detected between CBT and SWT. Conclusions: The present study confirmed the efficacy of CBT for ASD and PTSD and identified SWT as a promising alternative treatment.


Journal of Traumatic Stress | 2012

Dealing with man-made trauma: the relationship between coping style, posttraumatic stress, and quality of life in resettled, traumatized refugees in the Netherlands.

Irene Huijts; Wim Chr. Kleijn; Arnold van Emmerik; Arjen Noordhof; Annemarie J. M. Smith

This study investigated the relationship between coping style, posttraumatic stress disorder (PTSD) symptoms, and quality of life in traumatized refugees (N = 335). Participants had resettled in the Netherlands on average 13 years prior and were referred to a Dutch clinic for the treatment of posttraumatic psychopathology resulting from persecution, war, and violence. The majority (85%) of the research sample met diagnostic criteria for PTSD. Path analysis suggested a model in which PTSD symptoms (β = -.61, p < .001), social support seeking (β = .12, p < .05), and emotion-focused coping (β = .13, p < .01) have a direct effect on quality of life. The role of avoidant and problem-focused coping could be interpreted in 2 ways. Either these coping styles are influenced by PTSD severity and have no effect on quality of life, or these coping styles influence PTSD severity and therefore have an indirect effect on quality of life. Intervention strategies aimed at modifying coping strategies and decreasing PTSD symptoms could be important in improving the quality of life of traumatized refugees.


Patient Education and Counseling | 2010

Effects of a cognitive behavioral self-help program and a computerized structured writing intervention on depressed mood for HIV-infected people: A pilot randomized controlled trial

Vivian Kraaij; Arnold van Emmerik; Nadia Garnefski; Maya J. Schroevers; Deborah N.N. Lo-Fo-Wong; Pepijn van Empelen; Elise Dusseldorp; Robert Witlox; Stan Maes

OBJECTIVE The aim of the present study was to examine whether low-resource, cost-effective intervention programs can be effective in improving depressed mood in people with HIV. The efficacy of a cognitive-behavioral self-help program (CBS) and a computerized structured writing intervention (SWI) were tested in a pilot randomized controlled trial. METHODS Participants were members of a patient organization. They completed a pretest and posttest. The questionnaire included the HADS. Participants were randomly allocated to CBS (n=24), SWI (n=25) or a waiting list condition (WLC, n=24). To evaluate changes in the continuous outcome measure, a 3 x 2 (group x time) repeated measures ANCOVA was performed. Also, an ANCOVA was performed using change scores. RESULTS Respondents who followed the CBS improved significantly compared to the WLC. However, for people in the SWI condition no significant improvement on depression was found. CONCLUSION This pilot study suggests that a low-resource, cost-effective CBS program seems to be effective in reducing depressed mood in people living with HIV. PRACTICE IMPLICATIONS Because self-help programs can be delivered through regular mail or the internet, a high number of people could be reached while overcoming geographical and social barriers to treatment.


Therapeutic Advances in Psychopharmacology | 2016

New avenues for treating emotional memory disorders: towards a reconsolidation intervention for posttraumatic stress disorder

Merel Kindt; Arnold van Emmerik

The discovery that fear memories may change upon retrieval, a process referred to as memory reconsolidation, opened avenues to develop a revolutionary new treatment for emotional memory disorders. Reconsolidation is a two-phase process in which retrieval of a memory initiates a transient period of memory destabilization, followed by a protein synthesis-dependent restabilization phase. This reconsolidation window offers unique opportunities for amnesic agents to interfere with the process of memory restabilization, thereby weakening or even erasing the emotional expression from specific fear memories. Here we present four uncontrolled case descriptions of patients with symptoms of posttraumatic stress disorder (PTSD) who received a reconsolidation intervention. The intervention basically involves a brief reactivation of the trauma memory aimed to trigger memory destabilization, followed by the intake of one pill of 40 mg propranolol HCl (i.e. a noradrenergic beta-blocker) that should disrupt the process of memory restabilization. We present three cases who showed a steep decline of fear symptoms after only one or two intervention sessions. To illustrate that the translation from basic science to clinical practice is not self-evident, we also present a description of a noneffective intervention in a relatively complex case. Even though the reconsolidation intervention is very promising, the success of the treatment depends on whether the memory reactivation actually triggers memory reconsolidation. Obviously the uncontrolled observations described here warrant further study in placebo-controlled designs.


Clinical Psychology & Psychotherapy | 2008

Prevalence and prediction of re-experiencing and avoidance after elective surgical abortion: a prospective study

Arnold van Emmerik; Jan H. Kamphuis; Paul M. G. Emmelkamp

OBJECTIVE This study investigated short-term re-experiencing and avoidance after elective surgical abortion. In addition, it was prospectively investigated whether peritraumatic dissociation and pre-abortion dissociative tendencies and alexithymia predict re-experiencing and avoidance. METHOD In a prospective observational design, Dutch-speaking women presenting for first trimester elective surgical abortion completed self-report measures for dissociative tendency and alexithymia. Peritraumatic dissociation was measured immediately post-abortion. Re-experiencing and avoidance were measured 2 months post-abortion. RESULTS Participants reported moderately elevated levels of re-experiencing and avoidance that exceeded a clinical cut-off point for 19.4% of the participants. Peritraumatic dissociation predicted intrusion and avoidance at 2 months. In addition, avoidance was predicted by the alexithymic aspect of difficulty describing feelings. CONCLUSIONS Re-experiencing and avoidance after elective surgical abortion represent a significant clinical problem that is predicted by peritraumatic dissociation and alexithymia. Psychological screening and intervention might be a useful adjunct to elective abortion procedures.


Health and Quality of Life Outcomes | 2010

The psychological burden of an initially unexplained illness: patients with sternocostoclavicular hyperostosis before and after delayed diagnosis.

Willem A. van der Kloot; Neveen A. T. Hamdy; Laurian C S Hafkemeijer; Femke M C den Dulk; Sadhna A. Chotkan; Arnold van Emmerik; Ad A. Kaptein

BackgroundSternocostoclavicular hyperostosis (SCCH) is a rare, debilitating, chronic inflammatory disorder of the anterior chest wall due to a chronic sterile osteomyelitis of unknown origin. SCCH is largely underdiagnosed and often misdiagnosed. In individual cases it can remain unrecognized for years. The purpose of this study is twofold. Firstly, to evaluate the psychological condition of SCCH patients, both in the sometimes quite extended pre-diagnostic period between first manifestations and confirmed diagnosis of the disease, and in the current situation. Secondly, to investigate the relationships between the pre-diagnostic and the current psychological conditions of confirmed SCCH patients.MethodsStructured interviews were held with 52 confirmed SCCH patients. Questionnaires were included to assess posttraumatic stress symptoms, social support, aspects of pain, illness perceptions, self-reported health status, and quality of life.ResultsSCCH patients reported stronger posttraumatic stress symptoms, more unfavorable illness perceptions, lower health status, and poorer quality of life than healthy individuals and patients with other diseases or traumatic experiences. Psychological distress in the pre-diagnostic period was associated with unfavorable conditions in the current situation.ConclusionSCCH is an illness with serious psychological consequences. Psychological monitoring of patients with unexplained complaints is recommended as long as a diagnosis has not been reached.


Kind En Adolescent Praktijk | 2008

Cognitief gedragstherapeutische schrijftherapie bij kinderen met een posttraumatische stressstoornis. Resultaten van een ongecontroleerde behandelstudie

Saskia Van der Oord; Sacha Lucassen; Arnold van Emmerik; Paul M. G. Emmelkamp

SamenvattingTerwijl bij volwassenen met een posttraumatische stress-stoornis (PTSS) de effectiviteit van cognitief gedragstherapeutische schrijftherapie veelvuldig is aangetoond, is die behandeling bij kinderen met PTSS nog helemaal niet onderzocht. In het huidige onderzoek werden 23 kinderen (8-18 jaar) met PTSS, als gevolg van verschillende traumatische gebeurtenissen (o.a. verlies van belangrijke anderen, seksueel misbruik, ongeluk), behandeld door middel van cognitief gedragstherapeutische schrijftherapie. Deze therapie maakt gebruik van verschillende elementen, namelijk exposure, cognitieve herstructurering en social sharing. Voor en na behandeling werden PTSS-klachten, depressie, traumagerelateerde cognities, internaliserende en externaliserende problemen en algemeen probleemgedrag gemeten. De kinderen verbeterden significant op alle uitkomstmaten en kinderen én ouders waren tevreden over de behandeling. De gemiddelde behandelduur was 5,5 sessies. Uit dit eerste onderzoek blijken aanwijzingen voor de effectiviteit van deze kortdurende cognitief gedragstherapeutische schrijftherapie. De volgende stap is evaluatie van deze behandeling in een gerandomiseerde klinische trial.


Internet Interventions | 2016

Blended internet care for patients with severe mental illnesses: An open label prospective controlled cohort pilot study

Matthijs Blankers; Arnold van Emmerik; Bastian Richters; Jack Dekker

Introduction This paper reports first experiences while providing blended (combined face-to-face and internet-based) flexible assertive community treatment (FACT) to outpatients with severe mental illnesses (SMI). The aim was to compare treatment satisfaction, clinical outcome and quality of life in the short term (3 months) of patients receiving blended FACT with those receiving conventional FACT. Method This pilot study was designed as an open label prospective controlled cohort study. 47 SMI patients were found eligible and non-randomly allocated to Blended FACT (n = 25) or to conventional FACT (n = 22). Data were collected at baseline and at a 3-month follow-up. Measures included were the Dutch Mental Health Care Thermometer, Health of the Nation Outcome Scales (HONOS), Manchester Short Assessment of Quality of Life (MANSA), EuroQoL 5 dimensional (EQ5D) and the Mental Health Confidence Scale (MHCS). Results At a three months follow-up, patients reported slightly improved quality of life (EuroQoL 5 dimensional, Wald χ2(1) = 6.80, p = 0.01; MANSA, Wald χ2(1) = 4.02, p = 0.05) and self-efficacy beliefs regarding their mental health problems (MHCS, Wald χ2(1) = 3.71, p = 0.05). HONOS scores did not change over time, Wald χ2(1) = 2.34, p = 0.13. Satisfaction scores were on average between satisfactory – good (BI: M = 7.50, SD = 1.54; CAU: M = 7.53 SD = 0.96; on a 1–10 scale). These results did not differ between the two study groups. Conclusion It appears acceptable to patients to provide blended FACT with SMI, with outcomes comparable to face-to-face FACT. A future high quality trial is warranted to establish (cost-)effectiveness of blended FACT.

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Corine Dijk

University of Amsterdam

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Ad A. Kaptein

Leiden University Medical Center

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