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PubMed2006

Prevalence of dissociative disorders in psychiatric outpatients.

OBJECTIVE: The purpose of the study was to assess the prevalence of DSM-IV dissociative disorders in an inner-city outpatient psychiatric population. METHOD: Subjects were 231 consecutive admissions (84 men and 147 women, mean age=37 years) to an inner-city, hospital-based outpatient psychiatric clinic. The subjects completed self-report measures of dissociation (Dissociative Experiences Scale) and trauma history (Traumatic Experiences Questionnaire). Eighty-two patients (35%) completed a structured interview for dissociative disorders (Dissociative Disorders Interview Schedule). RESULTS: The 82 patients who were interviewed did not differ significantly on any demographic measure or on the self-report measures of trauma and dissociation from the 149 patients who were not interviewed. Twenty-four (29%) of the 82 interviewed patients received a diagnosis of a dissociative disorder. Dissociative identity disorder was diagnosed in five (6%) patients. Compared to the patients without a dissociative disorder diagnosis, patients with a dissociative disorder were significantly more likely to report childhood physical abuse (71% versus 27%) and childhood sexual abuse (74% versus 29%), but the two groups did not differ significantly on any demographic measure, including gender. Chart review revealed that only four (5%) patients in whom a dissociative disorder was identified during the study had previously received a dissociative disorder diagnosis. CONCLUSIONS: Dissociative disorders were highly prevalent in this clinical population and typically had not been previously diagnosed clinically. The high prevalence of dissociative disorders found in this study may be related to methodological factors (all patients were offered an interview rather than only those who had scored high on a screening self-report measure) and epidemiological factors (extremely high prevalence rates for childhood physical and sexual abuse were present in the overall study population).

Adult↗
PubMed2006

Cognitive function and dissociative disorder status among veteran subjects with chronic posttraumatic stress disorder: a preliminary study.

Twenty-seven veteran subjects with chronic posttraumatic stress disorder (PTSD) were evaluated for dissociative disorders. Ten subjects met criteria for one or more dissociative disorders, and 17 subjects did not meet dissociative disorder criteria. Neurocognitive profiles of the two groups differed in several areas, with veterans meeting diagnostic criteria for both PTSD and a dissociative disorder and demonstrating considerably greater deficits in attention, autobiographical memory, and verbal memory than PTSD subjects without comorbid dissociative disorder diagnosis.

Adult↗
PubMed2006

Study of stress and vulnerability in patients with somatoform and dissociative disorders in a psychiatric clinic in North India.

The authors compared perceived stress in subgroups of patients defined by vulnerability (high and low) and disorder (somatoform and dissociative). A total of 30 patients each of somatoform and dissociative disorders diagnosed according to the classification of mental and behavioral disorders criteria were assessed with Presumptive Stressful Life Event Scale, The Hassles Scale, Psychoticism Extraversion Neuroticism Inventory, Dissociative Experience Scale, Twenty-Item Toronto Alexithyma Scale, and Illness Behavior Questionnaire. Somatoform and dissociative disorder groups had comparable scores on measures of perceived stress and vulnerability. Two-way anova showed significant main effect of neuroticism (F = 13.65, d.f. = 1.56, P < 0.01), psychoticism (F = 7.92, d.f. = 1.56, P < 0.01), illness behavior (F = 5.82, d.f. = 1.56, P < 0.05), and dissociative experience (F = 8.45, d.f. = 1.56, P < 0.01) on total hassles score, but no significant main effect of disorder groups or interaction effect for disorder and vulnerability was seen on total hassles score. No significant main or interaction effect was seen on life events score. Similarities were seen in stress and vulnerability factors in the two disorders. Neuroticism, psychoticism, dissociative experience, and abnormal illness behavior were significantly related to stress (daily hassles) perceived by the patient, irrespective of the disorder.

Adolescent↗
PubMed2006

Prevalence of dissociative disorders among women in the general population.

This study sought to determine the prevalence of dissociative disorders among women in the general population, as assessed in a representative sample of a city in central Turkey. The Dissociative Disorders Interview Schedule (DDIS), the Borderline Personality Disorder section of the Structured Clinical Interview for DSM-III-R Personality Disorders (SCID-II), and the PTSD-Module of the Structured Clinical Interview for DSM-III-R (SCID) were administered to 628 women in 500 homes. The mean age of participants was 34.8 (S.D.=11.5, range: 18-65); 18.3% of participants (n=115) had a lifetime diagnosis of a dissociative disorder. Dissociative disorder not otherwise specified (DDNOS) was the most prevalent diagnosis (8.3%); 1.1% of the population was diagnosed as having dissociative identity disorder (DID). Participants with a dissociative disorder had borderline personality disorder, somatization disorder, major depression, PTSD, and history of suicide attempt more frequently than did participants without a dissociative disorder. Childhood sexual abuse, physical neglect, and emotional abuse were significant predictors of a dissociative disorder diagnosis. Only 28.7% of the dissociative participants had received psychiatric treatment previously. Because dissociative disorders are trauma-related, significant part of the adult clinical consequences of childhood trauma remains obscure in the minds of mental health professionals and of the overall community. Revisions in diagnostic criteria of dissociative disorders in the DSM-IV are recommended.

Adolescent↗
PubMedDate not supplied

[Study of dissociative disorders and depersonalization in a sample of young adult French population].

UNLABELLED: Questioned by several researches about dissociative disorders, the authors study differences established on the nosographic register, through a quantitative study and a psychodynamic argumentation in a sample of french population. From the utilisation of the Dissociative Experiences Scale (DES) created by Bernstein E and Putnam FW (1986), which is an excellent screening tool for dissociative disorders and constructed on DSM II diagnostic criterions, the authors will show the interest of a psychodynamic analysis of dissociative disorders, in the face of the diagnostic difficulty in relation to several approaches of this concept. This difficulty is studied giving the background to dissociative disorders and depersonalization. Ionescu (1999) shows that between 1890 and 1910 dissociation represents one of major themes of psychology, psychopathology and psychiatry. Then, this interest about dissociation decreases and will be almost non-existent in the middle of the twentieth century. The interest for dissociative disorder will grow in the eighties with north-american studies about multiple personality disorders. Until 1980, dissociative disorders exist in DSM II as a list of symptoms included into hysterical neurosis, among the conversive disorders. In 1980, the publication of DSM III replaces the notion of hysteria with the notion of dissociative disorder. In this way, we can see on the one hand somatoform disorders quarterly corresponding to the ancient version of conversive hysteria, and on the other hand dissociative disorders characterized by a perturbation of consciousness, memory, identity or perception of environment. In 1994, The DSM IV delete the notion of hysteria and neurosis and keeps only the notion of dissociative disorders. They include now the five following categories: dissociative amnesia, dissociative fugue, depersonalization disorder, dissociative identity disorder, dissociative disorder not otherwise specified (including derealization). Depersonalization disorders consist of "persistent or recurrent episodes of depersonalization characterized by a feeling of detachment or estrangement from one's self. The individual may feel like an automation or like he or she is living in a dream or movie" (DSM IV). Depersonalization disorder cannot be diagnosed if it is part of schizophrenia, panic disorder, acute stress disorder or dissociative identity disorder. Various depressive disorders, hypocondriasis or obsessive-compulsive disorders can accompany depersonalization disorder. The first purpose of this study will search the frequency of dissociative disorders and depersonalization in a sample of normal population. Further, the inclusion of depersonalization amongst dissociative disorders seems not so evident: depersonalization belongs to self-consciousness disorder in french psychiatry. This fact seems more logical insofar as dissociative disorders have all together a memory and consciousness perturbation, and this perturbation is missing from depersonalization's feeling. The second purpose will be to clarify and specify the particularity of depersonalization among dissociative diorders, from the psychopathological point of view. METHODOLOGY: The sample (n = 248) is made up of french young adults aged 17 to 30 (mean age = 20, SD = 15 and 24% is male population). Subjects were streamming from universities. The screening tool which was used is the Dissociative Experiences Scale, a 28-item patient questionnaire regarding various dissociative symptoms. The subject is asked to indicate the percentage of time, to the nearest 5%, that particular symptom is experienced. The score is made by adding the various percentages and finding a mean that is expressed in numbers from 0 to 100. Normal scores are in the range of 5 to 15 in american adults. RESULTS: The utilization of principal component analysis (PCA) with varimax rotation is justified by the will to compare this study with American's studies. The mean score obtained is 17.44%, and 13.3% of the scores exceed a psychiatric threshold at 30%. The descriptive analysis shows that the component 1 (PCA without varimax rotation) represents 33.02% of total explained variance. This result demonstrates that the structure of the DES is based on one concept, the same as the american population, it is the concept of dissociation. The Principal Component Analysis with varimax rotation of the DES ratings yielded a tree-factor solution: imaginative absorption (F1), depersonalization-derealization (F2) and dissociative amnesia (F3). Mean score for each factor is respectively: F1 = 21.56%, F2 = 13.95%, F3 = 11.04%. DES reliability was studied through computation of Cronbach's coefficient (0.92). The PCA with varimax rotation brings to the fore a full dissociative disorder without any trouble of memory and consciousness. This fact questions again once more the link between hysteria and dissociative disorders. There is here a clinical distinction between depersonalization-derealization and other dissociative disorders. Indeed, the absence of significant alteration of memory and conscience is specific of depersonalization and derealization in this study. CONCLUSION: Finally, this study concurs with DSM IV dissociative criterions. At last, one factor of PCA is composed by the association of depersonalization and derealization, in contradiction with DSM IV definition. This result shows that, into the french population, we cannot divide the two concepts.

Adult↗
PubMed2005

Dissociative disorders among inpatients with drug or alcohol dependency.

OBJECTIVE: To determine the prevalence of dissociative disorders among inpatients with alcohol or drug dependency. METHOD: The Dissociative Experiences Scale was used to screen 215 consecutive inpatients admitted to the dependency treatment center of a large mental hospital over a 1-year period (March 1, 2003, to March 31, 2004). Patients who had scores of 30.0 or above were compared with patients who scored below 10.0 on the scale. The patients in both groups were then evaluated using the Dissociative Disorders Interview Schedule and the Structured Clinical Interview for DSM-IV Dissociative Disorders. The interviewers were blind to the Dissociative Experiences Scale scores. RESULTS: Of the patients, 36.7% had a Dissociative Experiences Scale score of 30.0 or above. The prevalence of DSM-IV dissociative disorders was 17.2% (N = 37). On average, 64.9% of these patients' dissociative experiences had started 3.6 years (SD = 2.9; range, 1.0-11.0 years) before onset of the substance use. Patients with dissociative disorders were younger, and the mean duration of their remission periods was shorter. Dissociative disorder patients tended to use more than 1 substance, and drugs were used more frequently than alcohol in this group. The frequency of borderline personality disorder, somatization disorder, history of suicide attempt, and childhood abuse and neglect occurred more frequently in the dissociative disorder group than in the nondissociative disorder group. History of suicide attempt (p = .005), female sex (p = .050), and childhood emotional abuse (p = .010) were significant predictors of a dissociative disorder diagnosis. Significantly more patients with dissociative disorders stopped their treatment prematurely (p < .001). CONCLUSION: Impact of dissociative disorders on development and treatment of substance dependency requires further study.

Adult↗
PubMed2004

Recognizing and treating uncommon behavioral and emotional disorders in children and adolescents who have been severely maltreated: dissociative disorders.

Children who have experienced severe maltreatment may use dissociation as a strategy to cope with the ongoing trauma of their maltreatment. Although dissociation may help children cope with maltreatment, it can become maladaptive if it is used in other contexts. This article explores the symptoms of dissociate disorders and the ways that maladaptive dissociation can develop in maltreated children. Strategies for distinguishing dissociative disorders from other disorders in children are reviewed and treatment strategies for children and adolescents with maladaptive dissociation, and their families, are explored.

Adolescent↗
PubMed1994

Somatization in patients with dissociative disorders.

OBJECTIVE: This study attempted to determine the prevalence of somatic symptoms, somatization disorder, and medical interventions in patients with dissociative disorders. METHOD: Fourteen psychiatric inpatients with a DSM-III dissociative disorder were matched for age and gender with a comparison group of inpatients who reported few dissociative symptoms. All subjects were interviewed in a blind manner with the Dissociative Disorders Interview Schedule (this semistructured interview schedule includes a section on somatization disorder), and their hospital charts were reviewed to determine somatic symptoms and medical histories. RESULTS: Sixty-four percent of the patients with dissociative disorders met DSM-III criteria for somatization disorder and reported an average of 12.4 somatic symptoms. None of the comparison patients met DSM-III criteria for somatization disorder, and these patients reported an average of 3.1 somatic symptoms. These differences between the two groups were significant. Significant differences were also found in the number of medical hospitalizations and consultations between the two groups. A significant correlation was found between the degree of dissociation and degree of somatization in patients with dissociative disorders. CONCLUSIONS: The authors conclude that somatization disorder is a frequent and serious comorbid disorder among patients with dissociative disorders.

Adult↗
PubMed1993

Diagnosing dissociative disorders.

The increasing prevalence of dissociative disorders has spawned a range of diagnostic tools. The authors describe the use of several current methods--screening instruments, structured interviews, psychological testing, and hypnosis--and they advocate enlisting the patient as an active collaborator in the diagnostic process.

Amnesia↗
PubMed1995

Comorbidity of dissociative disorders among patients with substance use disorders.

OBJECTIVES: The study replicated methods used in an earlier study to determine the prevalence of dissociative disorders among patients with substance use disorders and to examine demographic characteristics and history of childhood abuse among patients with and without dissociative comorbidity. METHODS: A total of 100 inpatients who were completing a substance abuse treatment program at a VA medical center were interviewed using the Dissociative Disorders Interview Schedule, which diagnoses dissociative disorders. Two additional screening measures of dissociative symptoms were used, as well as an instrument to measure IQ. RESULTS: Fifteen percent of the sample were diagnosed as having a dissociative disorder. Compared with patients without a dissociative disorder, the patients with a dissociative disorder had significantly higher median scores on the two screening measures, indicating more dissociative experiences and the presence of five distinct symptom clusters. The two groups did not differ in history of childhood abuse or IQ. CONCLUSIONS: The results support earlier findings suggesting that patients with substance abuse disorder should be routinely screened for dissociative symptoms and disorders.

Adult↗
PubMed2004

Dissociative disorder in children. A case study.

Dissociative disorder is well-known in adulthood but in many cases it begins in childhood where it is usually not taken into consideration, rarely diagnosed, and often mistaken with borderline disorders. In childhood dissociation is well-defined: in a dimensional way by the presence of the dissociation symptoms over 2 SD and in a categorial view by the presence of primary symptoms. We made a psychiatric assessment on a child aged 11 years and 7 months, who said he heard "voices in his head". The assessment included: Children Dissociative Checklist (CDC), Adolescent Dissociative Experience Scale (A-DES), Children Depression Inventory (CDI), Wechsler Intelligence Scales for Children-Revised (WISC-R), Strength and Difficulties Questionnaire (SDQ), Children Behaviour Check-list (CBCL), (Scale Disturbi Attenzione Genitori, parent attention deficit scale, SDAG), Parent Conners Questionnaire, free conversation, a drawing, a neurological examination, an EEG-Holter and a semistructured psychiatric interview: K-SADS PL 1.0. SDQ, CDI and CBCL showed pathological scores in every area. K-SADS PL 1.0 excluded schizophrenia and showed: attention deficit, disthymic disorder, generalized anxiety disorder, oppositive-defiant disorder and conduct disorder with rage episodes, like borderline disorder. I.Q. was 76, SDAG (total 46) and Conners (mean points 1.81) showed a high score, simulating Attention Deficit with Hyperactivity disorder (ADHD). The presence of primary symptoms, like dissociative amnesia and very high scores in CDC (23, mean score for MPD) and in A-DES (85, mean 4.2) are useful for diagnoses. Dissociative disorder also exists in childhood, but it should be differentiated from ADHD and borderline disorder.

Child↗
PubMed1998

Frequency of dissociative disorders among psychiatric inpatients in a Turkish University Clinic.

OBJECTIVE: The aim of this study was to determine the rate of dissociative disorders among psychiatric inpatients in a university clinic in Turkey. METHOD: The Dissociative Experiences Scale was used to screen 166 consecutive inpatients admitted to the psychiatry clinic of a university hospital. The patients who had scores higher than 30 were matched for age and gender with 19 of the patients who scored below 10 on the scale. The patients in both groups were then interviewed with the Dissociative Disorders Interview Schedule by interviewers who were blind to their diagnoses and scores on the Dissociative Experiences Scale. Patients who were diagnosed as having a dissociative disorder according to the Dissociative Disorders Interview Schedule were then interviewed by a clinician. RESULTS: Twenty-four (14.5%) of the 166 patients had a score higher than 30 on the Dissociative Experiences Scale; 17 patients (10.2%) were diagnosed as having a dissociative disorder according to the Dissociative Disorders Interview Schedule. Nine patients (5.4%) had clinically confirmed dissociative identity disorder. CONCLUSIONS: A considerable proportion of the psychiatric inpatients in a Turkish university psychiatry clinic had dissociative disorder. Clinicians who work in general psychiatric inpatient units should be alert for chronic complex dissociative disorders.

Adolescent↗
PubMed1991

Disintegrated experience: the dissociative disorders revisited.

We present proposed changes to the dissociative disorders section of the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders and review the concept of pathological and nonpathological dissociation, including empirical findings on the relations between trauma and dissociative phenomenology and between dissociation and hypnosis. The most important proposals include the creation of two new diagnostic entities, brief reactive dissociative disorder and transient dissociative disturbance, and the readoption of the criterion of amnesia for a multiple personality disorder diagnosis. We conclude that further work on dissociative processes will provide an important link between clinical and experimental approaches to human cognition, emotion, and personality.

Depersonalization↗
PubMedDate not supplied

Dissociative disorders in Turkish inpatients with conversion disorder.

The aim of our study was to determine the frequency of dissociative disorders (DDs) among inpatients with conversion disorder (CD) in a university clinic settled in Eastern Turkey. During a period of 24 months, 59 consecutively admitted adult CD patients were screened with the Dissociative Experience Scale (DES). Patients who scored above 30 (DDs group) did not differ by age or gender from a group of inpatients who scored below 10 on the scale (comparison group). All patients in the two groups were then interviewed in a blind manner using the Dissociative Disorders Interview Schedule (DDIS) and Structured Interview for DSM-IV Dissociative Disorders (SCID-D). According to the SCID-D, 18 of 59 patients (30.5%) received a diagnosis of dissociative disorder; nine of these 18 patients (50%) were diagnosed as having dissociative identity disorder, eight (44.4%) were diagnosed as having dissociative disorder not otherwise specified (NOS), and one (5.6%) was diagnosed as having dissociative amnesia. Accordingly to the DDIS, borderline personality disorder was frequent in the DDs group, and all of the patients in the DDs group reported sexual abuse and neglect during childhood, latency, or adolescence. A high proportion of CD patients have significant dissociative pathology. The proper diagnosis of these patients has important implications for their clinical course.

Adolescent↗
PubMed1999

Dissociative disorder after traumatic brain injury.

Several episodes of dissociative disorder, including depersonalization and multiple personality, have been observed in a 32-year old man during a period of a few months following a mild traumatic brain injury. The psychogenic or organic aetiology of these psychiatric disorders remains undetermined. This case highlights the need to consider dissociative disorder among the possible (temporary) outcomes of a brain injury.

Adult↗
PubMedDate not supplied

Dissociative disorders in the psychiatric emergency ward.

OBJECTIVE: The aim of this study was to determine the prevalence of dissociative disorders among emergency psychiatric admissions. METHOD: Forty-three of the 97 consecutive outpatients admitted to the psychiatric emergency unit of a university hospital were screened using the Dissociative Experiences Scale (DES). Seventeen (39.5% of the 43 evaluated) patients with a DES score above 25.0 were then interviewed with the Dissociative Disorders Interview Schedule and the Structured Clinical Interview for Dissociative Disorders. RESULTS: Fifteen emergency unit patients (34.9% of the 43 evaluated participants) were diagnosed as having a dissociative disorder. Six (14.0%) patients had dissociative identity disorder, 6 (14.0%) had dissociative disorder not otherwise specified, and 3 (7.0%) had dissociative amnesia. The average DES score of dissociative patients was 43.7. A majority of them had comorbid major depression, somatization disorder, and borderline personality disorder. Most of the patients with dissociative disorder reported auditory hallucinations, symptoms associated with psychogenic amnesia, flashback experiences, and childhood abuse and/or neglect. CONCLUSIONS: Dissociative disorders constitute one of the diagnostic groups with high relevance in emergency psychiatry.

Adolescent↗
PubMed1993

Internal containment in the treatment of patients with dissociative disorders.

Both external and internal containment techniques are useful in treating patients with multiple personality disorder and other dissociative disorders. The author focuses on internal containment using various individualized strategies for helping these patients cope with life and work through past traumas. Because the visual imagery typically used in these strategies varies significantly from patient to patient, the author does not intend to provide an exhaustive description. The techniques are illustrated by case examples from the author's clinical practice.

Adaptation, Psychological↗