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Increasing empirical attention has been given to the role of adverse childhood experiences (ACEs) in the development and maintenance of body dysmorphic disorder (BDD). Yet, current research has predominantly focused on adult and nonclinical BDD samples, and little is known about relevance of ACEs in adolescent BDD. The present study examined (a) the frequency of ACEs in adolescents with a primary diagnosis of BDD (n = 50) versus obsessive compulsive disorder (OCD) (n = 50) and (b) the clinical profile of ACE-exposed youth with BDD. ACEs were ascertained through a systematic search of electronic patient records, as well as through a parent- and self-report screening item for exposure to traumatic events. Results showed higher rate of peer victimisation (74% vs. 38%) and child maltreatment (44% vs. 24%) among BDD versus OCD youths; sexual abuse was the most common type of child maltreatment documented in the BDD group (28%) according to patient records. Parent-reported exposure to traumatic events was also significantly higher in the BDD than the OCD group (40% vs. 18%, respectively). Clinical presentation and treatment outcomes did not differ between those with versus without a history of ACEs. The current study is the first to demonstrate that a range of ACEs are common in adolescent BDD. Our findings highlight the importance of screening for these experiences. Although further research is needed, our findings also indicate that adolescents with BDD who have a history of ACEs are broadly similar in their clinical presentation to those without, and benefit from BDD-focused treatment.
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Experiencias Adversas de la Infancia , Trastorno Dismórfico Corporal , Maltrato a los Niños , Humanos , Adolescente , Trastorno Dismórfico Corporal/psicología , Trastorno Dismórfico Corporal/epidemiología , Femenino , Masculino , Experiencias Adversas de la Infancia/estadística & datos numéricos , Experiencias Adversas de la Infancia/psicología , Maltrato a los Niños/psicología , Maltrato a los Niños/estadística & datos numéricos , Trastorno Obsesivo Compulsivo/psicología , Trastorno Obsesivo Compulsivo/epidemiología , NiñoRESUMEN
BACKGROUND: Previous research indicates an association of body dysmorphic disorder (BDD) with suicidal thoughts and behaviours, but has largely relied on small cohorts drawn from specialist clinics. METHODS: Anonymised health-records from the South London and Maudsley NHS Foundation Trust between 2007 and 2019 were systematically searched using the Clinical Record Interactive Search data system. RESULTS: 298 patients diagnosed with BDD between age 12 and 65 years were identified. 206 (69 %) had experienced lifetime suicidal ideation. 149 (50 %) had recorded lifetime acts of self-harm or suicide attempts, most commonly involving cutting and self-poisoning. Rates of self-harm/suicide attempts were similar in those diagnosed before or after 18 years. Comorbid depression was associated with suicidal ideation (OR: 4.26 95% CI 2.07-9.72). Additionally, comorbid depression, OCD and anxiety were all associated with self-harm/suicide attempts (OR: 1.94 95% CI 1.15-3.31, OR: 1.99 95% CI 1.09-3.73, and OR: 1.93 95% CI 1.09-3.45, respectively). The presence of two or more psychiatric comorbidities was associated with a significantly elevated likelihood of suicidal ideation (OR: 7.06 95% CI 2.80-21.7) and self-harm/suicide attempts (OR: 4.62 95% CI 2.32-9.62). LIMITATIONS: It is likely that BDD was under-diagnosed in the cohort, and those identified may not be representative. Additionally, the frequency and detail with which suicidal thoughts and behaviours were assessed varied and may also represent underestimates. CONCLUSIONS: Suicidal ideation and self-harm/suicide attempts are common among individuals with BDD accessing mental health services. Psychiatric comorbidity and suicidal ideation should be assessed in all BDD patients.
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Trastorno Dismórfico Corporal , Comorbilidad , Conducta Autodestructiva , Ideación Suicida , Intento de Suicidio , Humanos , Femenino , Masculino , Adulto , Trastorno Dismórfico Corporal/epidemiología , Trastorno Dismórfico Corporal/psicología , Intento de Suicidio/estadística & datos numéricos , Intento de Suicidio/psicología , Adolescente , Persona de Mediana Edad , Reino Unido/epidemiología , Prevalencia , Conducta Autodestructiva/epidemiología , Conducta Autodestructiva/psicología , Adulto Joven , Servicios de Salud Mental/estadística & datos numéricos , Anciano , Niño , Depresión/epidemiología , Depresión/psicologíaRESUMEN
Body dysmorphic disorder (BDD) is a relatively common and highly impairing mental disorder that is strikingly underdiagnosed and undertreated in Child and Adolescent Mental Health Services (CAMHS). The only clinical guidelines for the management of BDD in youth were published nearly 20 years ago, when empirical knowledge was sparse. Fortunately, there has been a surge in research into BDD over the last 10 years, shedding important insights into the phenomenology, epidemiology, assessment and treatment of the disorder in young people. This review aimed to provide an overview of recent research developments of relevance to clinicians and healthcare policymakers. We summarise key findings regarding the epidemiology of BDD in youth, which indicate that the disorder usually develops during teenage years and affects approximately 2% of adolescents at any one point in time. We provide an overview of aetiological research, highlighting that BDD arises from an interplay between genetic and environmental influences. We then focus on screening and assessment strategies, arguing that these are crucial to promote detection and diagnosis of this under-recognised condition. Additionally, we summarise the recommended treatment approaches for BDD in youth, namely cognitive behaviour therapy with or without selective serotonin reuptake inhibitors. The review concludes by highlighting key knowledge gaps and priorities for future research including, but not limited to, better understanding aetiological factors, long-term consequences and treatment.
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Trastorno Dismórfico Corporal , Humanos , Trastorno Dismórfico Corporal/terapia , Trastorno Dismórfico Corporal/epidemiología , Trastorno Dismórfico Corporal/diagnóstico , Adolescente , Niño , Terapia Cognitivo-Conductual , Inhibidores Selectivos de la Recaptación de Serotonina/uso terapéuticoRESUMEN
The Appearance Anxiety Inventory (AAI) is a self-report measure assessing the typical cognitions and behaviours of body dysmorphic disorder (BDD). Despite its use in research and clinical settings, its psychometric properties have not been evaluated in young people with BDD. We examined the factor structure, reliability, validity, and sensitivity to change of the AAI in 182 youths with BDD (82.9% girls; Mage = 15.56, SD = 1.37) consecutively referred to two specialist outpatient clinics in Stockholm, Sweden (n = 97) and London, England (n = 85). An exploratory factor analysis identified three factors, namely "threat monitoring", "camouflaging", and "avoidance", explaining 48.15% of the variance. The scale showed good internal consistency (McDonalds omega = 0.83) and adequate convergent validity with the Yale-Brown Obsessive-Compulsive Scale Modified for Body Dysmorphic Disorder for Adolescents (BDD-YBOCS-A; rs = 0.42) and the Clinical Global Impression-Severity Scale (rs = 0.32). Sensitivity to change was adequate, with AAI total scores and individual factor scores significantly decreasing over time in the subgroup of participants receiving multimodal treatment for BDD (n = 79). Change of AAI scores over treatment showed a positive statistically significant moderate-to-good correlation (r = 0.55) with changes in BDD symptom severity, measured by the BDD-YBOCS-A. The study provides empirical support for the use of the AAI in young people with BDD in clinical settings.
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Trastorno Dismórfico Corporal , Femenino , Humanos , Adolescente , Masculino , Trastorno Dismórfico Corporal/diagnóstico , Trastorno Dismórfico Corporal/terapia , Psicometría , Reproducibilidad de los Resultados , Ansiedad/diagnóstico , Trastornos de AnsiedadRESUMEN
Body dysmorphic disorder (BDD) is a prevalent and impairing psychiatric condition that typically debuts in adolescence and is associated with risky behaviours. The disorder can be effectively treated with cognitive behaviour therapy (CBT). However, CBT for BDD is seldom available primarily due to a shortage of trained therapists. Internet-delivered CBT (ICBT) can be a way to increase treatment availability. The aim of this feasibility trial was to evaluate the feasibility, safety, and preliminary efficacy of a CBT protocol for adolescents with BDD, adapted to be delivered over the Internet with minimal therapist support. A total of 20 participants (12-17-year-olds) meeting criteria for BDD were recruited nationally to a specialist outpatient clinic in Stockholm, Sweden. One participant withdrew consent and their data could not be analysed. Nineteen participants were offered 12 modules of therapist-guided ICBT for BDD and were followed up to 12 months post-treatment. Preliminary efficacy was measured at the a priori primary endpoint (3-month follow-up) and at the 12-month follow-up with the clinician-rated Yale-Brown Obsessive Compulsive Scale Modified for BDD for Adolescents. The treatment was rated as both credible and satisfactory and was associated with a large and statistically significant reduction in BDD symptom severity (d = 2.94). The proportion of participants classified as responders at the primary endpoint was 73.7%, and the proportion of full or partial remitters was 63.2%. The average therapist support time was 8 min per participant per week. Treatment gains continued to accrue up to the 12-month follow-up. Two participants attempted suicide and another two reported non-suicidal self-injuries during the study period. ICBT with minimal therapist support is a feasible, potentially efficacious, and durable treatment for adolescents with BDD. Risky behaviours typical of this patient group should be carefully monitored during treatment.
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Introduction: Social media use (SMU) is highly prevalent amongst young people and previous research suggests an association with mental health problems, including poor body image. However, the potential relationship between SMU and body dysmorphic disorder (BDD) has received little attention. Furthermore, little is known about the factors that moderate the potential association between SMU and body dysmorphic symptoms. The current study tested the associations between three facets of SMU and body dysmorphic symptoms and explored perfectionism as a moderator in a non-clinical sample. Method: Two-hundred and nine 16-18-year-olds (mean age = 16.5 years, 37% male) recruited from schools in London completed an online survey measuring aspects of SMU, including: frequency of image-and text-based SMU; motivations for SMU (appearance, popularity, connection or values and interests); and active and passive SMU. Participants additionally completed validated measures of body dysmorphic symptoms, perfectionism, and anxiety/depressive symptoms. Linear regression models tested the association of body dysmorphic symptoms with different facets of SMU, with and without adjustment for age, sex and anxiety/depressive symptoms. Results: Frequency of use of image-based, but not text-based, platforms was significantly and positively associated with body dysmorphic symptoms, and this association remained significant in the adjusted models. Appearance-based motivation for SMU was the only motivator uniquely associated with body dysmorphic symptoms across the unadjusted and adjusted models. Passive, not active, SMU was associated with body dysmorphic symptoms in unadjusted models, but this association became non-significant in the adjusted models. Self-oriented perfectionism moderated the association between frequency of image-based SMU and body dysmorphic symptoms. Discussion: Image-based SMU, and appearance-based motivations for SMU, are positively associated with body dysmorphic symptoms. Self-oriented perfectionism may amplify the relationship between SMU and body dysmorphic symptoms. Our findings highlight the importance of a nuanced approach to examining SMU, and the need for further research to determine whether specific facets of SMU contribute to the development and/or maintenance of body dysmorphic symptoms.
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Individual cognitive-behavioral therapy (CBT) is the recommended first-line psychological treatment for young people with obsessive-compulsive disorder (OCD), with good outcomes. However, because some young people only partially respond to CBT, it is necessary to improve treatment outcomes. This is the first study to explore the acceptability and satisfaction of a new multifamily therapy (MFT). Three groups were attended by 16 young people with OCD, their parents, and siblings. Parents and young people completed questionnaires and focus groups. Thematic analysis was applied to transcripts of focus groups. The majority of young people and parents (93.9%) were satisfied or very satisfied. Thematic analysis identified benefits, including increased understanding of OCD, support from the group, and a feeling of not being alone. Further research is required to establish the group's effectiveness on OCD symptom severity and to identify the factors that MFT addresses. MFT shows promise as an acceptable and satisfactory treatment.
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Terapia Cognitivo-Conductual , Trastorno Obsesivo Compulsivo , Humanos , Adolescente , Emociones , Grupos Focales , PadresRESUMEN
OBJECTIVES: The impact of having a child with diagnosed obsessive-compulsive disorder (OCD) can reportedly cause significant disruption to caregiver routines and negatively affect their mental health. Less is known about the impact to other first-degree relatives such as siblings due to limited research. It should not be assumed that findings in the caregiver literature can simply be applied to siblings. This study, therefore, aimed to explore the experiences and responses of cohabiting siblings of a brother or sister with an OCD diagnosis. METHOD: Eight participant siblings were recruited from a UK specialist OCD NHS clinic and interviewed via telephone about their experiences co-habiting with a brother or sister with OCD. Interviews were transcribed and subjected to interpretative phenomenological analysis (IPA). RESULTS: Two superordinate themes of 'OCD as a dangerous dictator' and the 'unifying/polarising influence of OCD on relationships' were interpreted from the eight participant experiences. Siblings spoke to OCD creating a dictatorial environment characterised by sibling loss, helplessness and adjustment. This fragile domestic environment seemingly pushed non-anxious siblings to the periphery of the family or conversely centralised their position through parentification. CONCLUSIONS: Many of the sibling experiences of frustration, distress avoidance, helplessness and symptom accommodation are mirrored in the burgeoning caregiver literature. Longitudinal studies are required to track sibling experiences over the course of their siblings OCD journey and expand our knowledge in this area. Counselling services, sibling support groups and inclusion in family assessment, formulation and treatment are possible avenues of exploration for siblings of those with an OCD diagnosis.
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Trastorno Obsesivo Compulsivo , Hermanos , Niño , Humanos , Masculino , Emociones , FemeninoRESUMEN
This article summarizes current knowledge of body dysmorphic disorder across the life span. An overview of the epidemiology and phenomenology of this condition is provided, as well as clinical perspectives on assessment and treatment. Barriers to accessing treatment are considered, along with recent developments to improve access. Future directions in research and clinical care for this population are summarized.
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Trastorno Dismórfico Corporal , Terapia Cognitivo-Conductual , Humanos , Trastorno Dismórfico Corporal/diagnóstico , Trastorno Dismórfico Corporal/epidemiología , Trastorno Dismórfico Corporal/terapia , Inhibidores Selectivos de la Recaptación de SerotoninaRESUMEN
The Yale-Brown Obsessive-Compulsive Scale Modified for Body Dysmorphic Disorder for Adolescents (BDD-YBOCS-A) is a clinician-rated measure of BDD symptom severity in youth. Despite widespread use in both research and clinical practice, its psychometric properties have not been formally evaluated. The current study examined the factor structure, reliability, validity, and sensitivity to change of the BDD-YBOCS-A in 251 youths with BDD attending two specialist clinics. A principal component analysis identified two factors, explaining 56% of the variance. The scale showed good internal consistency (Cronbach's alpha = 0.87) and adequate convergent and divergent validity. In a subgroup of participants receiving BDD treatment (n = 175), BDD-YBOCS-A scores significantly decreased over time, demonstrating sensitivity to change. BDD-YBOCS-A change scores over treatment were highly correlated with severity changes measured by the Clinical Global Impression - Severity scale (r = .84). The study provides empirical support for the use of the BDD-YBOCS-A in children and adolescents with BDD.
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Trastorno Dismórfico Corporal , Trastorno Obsesivo Compulsivo , Niño , Humanos , Adolescente , Trastorno Dismórfico Corporal/diagnóstico , Psicometría , Reproducibilidad de los Resultados , Trastorno Obsesivo Compulsivo/diagnósticoRESUMEN
Body dysmorphic disorder (BDD) typically originates in adolescence and is associated with considerable adversity. Evidence-based treatments exist but research on clinical outcomes in naturalistic settings is extremely scarce. We evaluated the short- and long-term outcomes of a large cohort of adolescents with BDD receiving specialist multimodal treatment and examined predictors of symptom improvement. We followed 140 young people (age range 10-18) with a diagnosis of BDD treated at two national and specialist outpatient clinics in Stockholm, Sweden (n = 96) and London, England (n = 44), between January 2015 and April 2021. Participants received multimodal treatment consisting of cognitive behavior therapy and, in 72% of cases, medication (primarily selective serotonin reuptake inhibitors). Data were collected at baseline, posttreatment, and 3, 6, and 12 months after treatment.The primary outcome measure was the clinician-rated Yale-Brown Obsessive-Compulsive Scale Modified for BDD, Adolescent version (BDD-YBOCS-A). Secondary outcomes included self-reported measures of BDD symptoms, depressive symptoms, and global functioning. Mixed-effects regression models showed that BDD-YBOCS-A scores decreased significantly from baseline to posttreatment (coefficient [95% confidence interval] = -16.33 [-17.90 to -14.76], p<0.001; within-group effect size (Cohen's d) = 2.08 (95% confidence interval, 1.81 to 2.35). At the end of the treatment, 79% of the participants were classified as responders and 59% as full or partial remitters. BDD symptoms continued to improve throughout the follow-up. Improvement was also seen on all secondary outcome measures. Linear regression models identified baseline BDD symptom severity as a predictor of treatment outcome at posttreatment, but no consistent predictors were found at the 12-month follow-up. To conclude, multimodal treatment for adolescent BDD is effective in both the short- and long-term when provided flexibly within a specialist setting. Considering the high personal and societal costs of BDD, specialist care should be made more widely available.
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Trastorno Dismórfico Corporal , Terapia Cognitivo-Conductual , Adolescente , Trastorno Dismórfico Corporal/psicología , Trastorno Dismórfico Corporal/terapia , Niño , Terapia Combinada , Humanos , Tiempo , Resultado del TratamientoRESUMEN
Body dysmorphic disorder (BDD) often starts in childhood, with most cases developing symptoms before age 18. Yet, BDD research has primarily focused on adults. We report the clinical characteristics of the world's largest cohort of carefully diagnosed youths with BDD and focus on previously unexplored sex and age differences. We systematically collected clinical data from 172 young people with BDD consecutively referred to 2 specialist pediatric obsessive-compulsive and related disorders outpatient clinics in Stockholm, Sweden and in London, England. A series of clinician-, self-, and parent-reported measures were administered. The cohort consisted of 136 girls, 32 boys, and 4 transgender individuals (age range 10-19 years). The mean severity of BDD symptoms was in the moderate to severe range, with more than one third presenting with severe symptoms and more than half showing poor or absent insight/delusional beliefs. We observed high rates of current psychiatric comorbidity (71.5%), past or current self-harm (52.1%), suicide attempts (11.0%), current desire for cosmetic procedures (53.7%), and complete school dropout (32.4%). Compared to boys, girls had significantly more severe self-reported BDD symptoms, depression, suicidal thoughts, and self-harm. Compared to the younger participants (14 or younger), older participants had significantly more severe compulsions and were more likely to report a desire for conducting cosmetic procedures. Adolescent BDD can be a severe and disabling disorder associated with significant risks and substantial functional impairment. The clinical presentation of the disorder is largely similar across sexes and age groups, indicating the importance of early detection and treatment. More research is needed specifically focusing on boys and pre-pubertal individuals with BDD.
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Trastorno Dismórfico Corporal , Adolescente , Adulto , Trastorno Dismórfico Corporal/diagnóstico , Trastorno Dismórfico Corporal/epidemiología , Niño , Estudios de Cohortes , Comorbilidad , Femenino , Humanos , Masculino , Autoinforme , Intento de Suicidio , Adulto JovenRESUMEN
Body dysmorphic disorder (BDD) is a debilitating mental health condition which usually emerges during adolescence and is characterised by distressing and impairing appearance concerns. It is currently unclear whether body dysmorphic concerns represent an extreme manifestation of normal appearance concerns (a dimensional conceptualisation), or whether they are qualitatively distinct (a categorical conceptualisation). This study aimed to determine whether body dysmorphic symptoms are dimensional or categorical in nature by investigating the latent structure using taxometric procedures. Body dysmorphic symptoms were assessed using validated measures among 11-16-year-old school pupils (N=707). Items of the Body Image Questionnaire Child and Adolescent version were used to construct four indicators that broadly corresponded to the DSM-5 diagnostic criteria for BDD (appearance concerns, repetitive behaviours, impairment, and insight). Indicators were submitted to three non-redundant taxometric procedures (MAMBAC, MAXEIG and L-MODE). Overall, results of all three taxometric procedures indicated a dimensional latent structure of body dysmorphic symptoms. The current study provides preliminary evidence that body dysmorphic symptoms are continuously distributed among adolescents, with no evidence of qualitative differences between mild and severe symptoms. Implications for clinical practice and research are discussed.
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Trastorno Dismórfico Corporal , Adolescente , Trastorno Dismórfico Corporal/diagnóstico , Niño , Manual Diagnóstico y Estadístico de los Trastornos Mentales , Humanos , Encuestas y CuestionariosRESUMEN
Body dysmorphic disorder (BDD) and anorexia nervosa (AN) are characterised by body image disturbance. It has been suggested that poor global integration in visual processing may underlie distorted body image, but empirical studies have yielded mixed results. The current study involved two meta-analyses aimed at examining the extent to which poor global processing is evident in BDD and AN. Studies were identified through a systematic literature search up to October 2020. The BDD search yielded 16 studies and the AN search yielded 18 studies. Random-effect models demonstrated a small pooled effect size for BDD (g = -0.44, 95 % CI -0.70, -0.17, p < 0.001) and a moderate pooled effect size for AN (g = -0.63, 95 % CI -0.77, -0.49, pâ¯<⯠.001), with no evidence of significant publication bias for either. The results provide evidence that poor global processing is a transdiagnostic feature of both BDD and AN, although effects may be more pronounced in AN. Our findings highlight the possibility that interventions aimed at promoting global visual processing could prove beneficial in disorders characterised by distorted body image.
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Anorexia Nerviosa/diagnóstico , Trastorno Dismórfico Corporal/diagnóstico , Imagen Corporal/psicología , Percepción Visual/fisiología , Anorexia Nerviosa/psicología , Trastorno Dismórfico Corporal/psicología , Humanos , Ensayos Clínicos Controlados Aleatorios como AsuntoRESUMEN
Obsessive-compulsive disorder (OCD) and autism spectrum disorder (ASD) frequently co-occur. Standard cognitive behaviour therapy (CBT) for OCD outcomes are poorer in young people with ASD, compared to those without. The aim of this naturalistic study was to evaluate the effectiveness of a novel adolescent autism-adapted CBT manual for OCD in a specialist clinical setting. Additionally, we examined whether treatment gains were maintained at 3-month follow-up. Thirty-four adolescents underwent CBT; at the end of treatment, 51.51% were treatment responders and 21.21% were in remission. At 3-month follow-up, 52.94% were responders and 35.29% remitters. Significant improvements were also observed on a range of secondary measures, including family accommodation and global functioning. This study indicates this adapted package of CBT is associated with significant improvements in OCD outcomes, with superior outcomes to those reported in previous studies. Further investigation of the generalizability of these results, as well as dissemination to different settings, is warranted.
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Trastorno del Espectro Autista , Trastorno Autístico , Terapia Cognitivo-Conductual , Trastorno Obsesivo Compulsivo , Adolescente , Trastorno del Espectro Autista/terapia , Humanos , Trastorno Obsesivo Compulsivo/terapia , Resultado del TratamientoRESUMEN
The prevalence of obsessive-compulsive disorder (OCD) is higher among young people with autism spectrum disorders (ASD). Case studies and randomized controlled trials show that modified cognitive behavioral therapy (CBT) can be effective for young people with OCD and co-morbid ASD. This case study describes modified CBT for an adolescent with severe, treatment-resistant OCD and co-morbid ASD, and highlights the importance of family accommodation and parental mental health in pediatric OCD. Modifications to the standard evidence-based CBT for OCD protocol included extended psychoeducation, visual session material, mini exposure and response prevention hierarchies and parallel parent sessions to address familial accommodation and parental mental health. Progress was measured at seven times points throughout treatment using clinician administered, youth and parent self-report measures. Outcome data indicated significant improvements in OCD symptoms, general functioning, and maternal mental health as well as significant reductions in family accommodation. Gains were maintained over a 12-month follow-up period. This case study illustrates that modified CBT can be effective in youth with OCD and ASD and discusses the importance of familial accommodation and parental mental health.
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Trastorno del Espectro Autista , Terapia Cognitivo-Conductual , Trastorno Obsesivo Compulsivo , Adolescente , Trastorno del Espectro Autista/complicaciones , Niño , Humanos , Salud Mental , Trastorno Obsesivo Compulsivo/terapia , PadresRESUMEN
Exposure techniques are underutilised in the treatment of anxiety disorders in routine practice, but little is known about the use of exposure with response prevention (ERP) for OCD, particularly in youth. The current study aimed to examine the utilisation of ERP for paediatric OCD via an anonymous online survey completed by clinicians (N = 107). Specifically, we explored the association of clinician characteristics and OCD symptom subtypes with ERP use, as well as clinician-reported barriers to ERP implementation. The majority of clinicians reported commonly using ERP when treating youth with OCD, and rates of ERP use were highest among clinical psychologists. Clinician-held negative beliefs about exposure were significantly associated with lower ERP use. Additionally, clinicians reported being less likely to use ERP to treat hoarding symptoms and taboo obsessions, compared to other OCD symptom subtypes. The most commonly endorsed barriers to successful ERP implementation were aspects of the phenomenology of OCD (e.g. covert compulsions, frequently changing rituals) as opposed to general barriers (e.g. insufficient time during sessions). Overall, our findings suggest that OCD presents unique challenges for clinicians delivering exposure-based therapy. Training should address these OCD-specific obstacles in order to promote dissemination of ERP for youth with OCD.