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PubMedDate not supplied

[Personality disorders in a psychiatric unit: retrospective study].

From those patients who were admitted to the psychiatric in-patient unit of the Hospital Ramón y Cajal of Madrid across a period of eight years, those who received a diagnosis of personality disorder according to the axis II of DSM-III or DSM-III-R were selected. We analyzed the patterns of comorbidity between axis I and II, length of the admission, the percentage of readmissions and general variables as age and sex. 17.35% of the patients admitted for the first time and 27.03% of those readmitted received a clinical diagnosis of personality disorder. The most frequent disorders were: unspecified, histrionic, obsessive-compulsive and dependent. In the 93.81% of the patients admitted for the first time, comorbidity with axis I disorders was found. Cluster A personality disorders were most frequently associated to schizophrenia and delusional disorder, cluster B diagnoses with dystimia and alcohol-related problems and cluster C disorders with depression, dystimia and OCD. The cluster A was the one that presented more frequently without axis I comorbidity (14.28%). Cluster B disorders were associated with a shorter length of the admission but, as the unspecified personality disorder, were readmitted more frequently. We discuss the results and compare them with those obtained by other authors.

Comorbidity↗
PubMed2003

Obsessions and compulsions in anorexia nervosa subtypes.

OBJECTIVE: Obsession and compulsions in anorexia nervosa (AN) patients are often confused with the preoccupations and rituals that are characteristic of obsessive-compulsive disorder (OCD). We examined the type and frequency of characteristic OCD obsessions and compulsions in a large sample of AN patients. METHOD: In personal interviews with 324 AN patients, we assessed lifetime histories of eating disorder symptomatology and obsessive-compulsive behaviors with valid semistructured interviews. Checklist category sums on the Yale-Brown Obsessive Compulsive Scale were compared between AN and OCD subjects using generalized estimating equations. RESULTS: Lifetime obsessions and compulsions occurred in 68% of the AN restricting type and in 79.1% of the AN binge/purge type. The AN subgroups did not differ from OCD controls in frequency of obsessions in the symmetry and somatic categories or in the compulsion categories of ordering and hoarding. In all other categories, the AN subgroups had a significantly lower frequency compared with the OCD controls. DISCUSSION: Some common phenotype characteristics shared by most AN and OCD patients suggest these disorders may share common brain behavioral pathways. However, the lack of complete overlap indicates they most likely have different loci of pathology within those pathways.

Adult↗
PubMed1990

Tritiated imipramine binding in obsessive-compulsive volunteers and psychiatrically normal controls.

The authors evaluated platelet tritiated imipramine binding in 22 outpatients with obsessive-compulsive disorder (OCD) and 22 psychiatrically normal controls matched for age and gender. Mean maximal binding site density (Bmax) and equilibrium dissociation affinity (Kd) values were not significantly different. In OCD patients, Bmax was positively associated with age but was not associated with age of onset, gender, personality disorder, or five measures of illness severity. Eight patients with OCD were subsequently treated with clomipramine up to 300 mg/day for 10 weeks. Among these 8 patients, Bmax values had a 65% mean decrease from baseline, but Bmax values did not change among 7 OCD patients receiving placebo. The results suggest that a reduced density of tritiated imipramine binding sites may not be associated with OCD.

Adult↗
PubMed2006

Aggressiveness, anger and eating disorders: a review.

Anger and aggressive behaviours, especially those self-directed, are frequent in subjects suffering from anorexia nervosa and bulimia nervosa. They increase the complexity of the clinical features, change the prognosis and cause a more difficult management of these disorders. In order to elucidate the complex relationships between eating disorders, anger and aggressiveness, the history of traumatic experiences, the prevalence of dissociative, obsessive, impulsive and compulsive symptoms, as well as the role of severe personality disorders in subjects suffering from anorexia nervosa, bulimia nervosa and self-injurious behaviours are considered. In the final section of this paper, a model exploring such a relationship in the light of the undefined sense of self is described.

Anger↗
PubMed1994

Compulsive buying. Demography, phenomenology, and comorbidity in 46 subjects.

Compulsive buying has been generally ignored in the psychiatric literature, although it is apparently frequent, underrecognized, and can lead to severe financial and legal consequences for its sufferers. The current investigation was designed to assess the overall life-style and problems of subjects identified as compulsive shoppers. Forty-six compulsive buyers were assessed for comorbid psychiatric disorders with the Diagnostic Interview Schedule, the Structured Interview for DSM-III-R Personality Disorders, and a semistructured interview to assess buying behavior. The typical shopper was a 31-year-old female who had developed compulsive buying at age 18 years. Subjects spent their money on clothing, shoes, and records/compact discs. The average debt load accrued was $5,422 out of an average yearly income of $23,443. More than two-thirds met lifetime criteria for a major (Axis I) mental disorder, most commonly anxiety, substance abuse, and mood disorders. Nearly 60% were found to meet criteria for a DSM-III-R personality disorder, most commonly the obsessive-compulsive, borderline, and avoidant types. The authors conclude that compulsive buying is a definable clinical syndrome which can cause its sufferers significant distress and is associated with significant psychiatric comorbidity.

Adolescent↗
PubMed1996

Attentional bias in obsessional compulsive disorder.

To date, studies of information processing in anxiety disorders have suggested that the latter are characterised by vigilance for threatening stimuli, possibly specific to personally relevant threat content. The present study represents an attempt to establish whether patients suffering from Obsessional Compulsive Disorder (OCD), generally classified as an anxiety disorder, show a similar cognitive bias. Thus, a replication of MacLeod, Mathews and Tata's (1986) study [Journal of Abnormal Psychology, 95, 15-20] is reported, employing modified materials of direct concern to the OCD subjects i.e. Contamination-related words. The results did indeed reveal content specific vigilance, whereby the OCD group were more vigilant for contamination content than mood-matched High Trait Anxious (HTA) controls, but the reverse was true for Social Anxiety words. Additionally, while a general threat interference effect was identified for both OCD and HTA subjects this was not content specific. A second experiment employing Low Trait Anxious subjects revealed no vigilance for threat nor any threat interference in this sample. The clinical implications and possible mechanism underlying these results are discussed.

Adult↗
PubMed2001

Psychosocial and endocrine features of chronic first-episode major depression in 8-16 year olds.

BACKGROUND: Psychoendocrine processes may have a role in explaining individual differences in the outcome of major depression in 8-16-year-old school children. METHODS: Salivary cortisol and dehydroepiandrosterone (DHEA) levels at 8:00 AM and 8:00 PM, life events, and comorbidity were assessed at presentation, 36, and 72 weeks in 47 (60%) of 78 clinically referred subjects with a first episode of major depression. Comparisons were made between chronic and nonchronic major depression. RESULTS: Chronic depression was characterized by being older, cortisol hypersecretion at 8:00 PM at all three assessments, increasing depression-dependent life events over the follow-up period, and comorbid obsessive-compulsive disorder (OCD) at presentation and at 36 weeks. Chronicity may be best predicted by increasing depression-dependent events over the 72-week period. Such events are more likely in cases with evening cortisol hypersecretion at entry and persistent OCD. Variations in DHEA levels were not associated with chronicity or increasing life events. CONCLUSIONS: During adolescence, but not childhood, the persistence of major depression may occur through an increase of risk for further and particular types of depression-dependent undesirable life events (personal disappointments and/or dangers to the self), that are more likely in those subjects with persisting cortisol hypersecretion and unresolved comorbid OCD.

Adolescent↗
PubMed1988

Compensation and non-compensation chronic pain patients compared for DSM-III operational diagnoses.

Two hundred and eighty-three mixed chronic pain patients, consecutive admissions, were diagnostically evaluated as per DSM-III, Axis I, Axis II or personality type psychiatric operational criteria. Controlling for primary organic treatment diagnosis, age and race, statistical comparisons were made between male compensation patients (n = 93) and male non-compensation patients (n = 23) and between female compensation patients (n = 38) and female non-compensation patients (n = 28) for all DSM-III diagnoses. Male compensation patients were significantly overrepresented for these diagnostic groups: conversion disorder (somatosensory type); combined personality disorders; and passive-aggressive personality disorder. Male non-compensation patients were significantly overrepresented for these diagnostic groups: no diagnosis on Axis I; combined personality types; and compulsive personality type. Female compensation patients were significantly overrepresented for conversion disorder (somatosensory) only. Female non-compensation patients were significantly overrepresented for generalized anxiety disorder and combined anxiety syndromes. Compensation chronic pain patients may be at risk for some psychiatric disorders not previously identified: conversion disorder (somatosensory), and personality disorders.

Adult↗
PubMed2000

A double-blind, placebo-controlled study of risperidone addition in serotonin reuptake inhibitor-refractory obsessive-compulsive disorder.

BACKGROUND: To date, only 1 controlled study has found a drug (haloperidol) to be efficacious in augmenting response in patients with obsessive-compulsive disorder (OCD) refractory to serotonin reuptake inhibitor (SRI) monotherapy; patients with comorbid chronic tic disorders showed a preferential response. This report describes the first controlled study of risperidone addition in patients with OCD refractory to treatment with SRI alone. METHODS: Seventy adult patients with a primary DSM-IV diagnosis of OCD received 12 weeks of treatment with an SRI. Thirty-six patients were refractory to the SRI and were randomized in a double-blind manner to 6 weeks of risperidone (n = 20) or placebo (n = 16) addition. Behavioral ratings, including the Yale-Brown Obsessive Compulsive Scale, were obtained at baseline and throughout the trial. Placebo-treated patients subsequently received an identical open-label trial of risperidone addition. RESULTS: For study completers, 9 (50%) of 18 risperidone-treated patients were responders (mean daily dose, 2.2 +/-0.7 mg/d) compared with 0 of 15 in the placebo addition group (P<. 005). Seven (50%) of 14 patients who received open-label risperidone addition responded. Risperidone addition was superior to placebo in reducing OCD (P<.001), depressive (P<.001), and anxiety (P =.003) symptoms. There was no difference in response between OCD patients with and without comorbid diagnoses of chronic tic disorder or schizotypal personalty disorder. Other than mild, transient sedation, risperidone was well tolerated. CONCLUSION: These results suggest that OCD patients with and without comorbid chronic tic disorders or schizotypal personality disorder may respond to the addition of low-dose risperidone to ongoing SRI therapy.

Adult↗
PubMedDate not supplied

Proposal of a dimensional model of personality disorders.

During recent years there has been a growing interest on several aspects regarding psychopathology in general and particularly with personality disorders, such as dual psychopathology, comorbidity and dimensional models. Going from the Eysenck's three-factor model to the Fiske's five-factor one, from the Cloninger's psychobiological model to the Millon's biosocial one, a wide variety of personality analysis models, as well as dimensions to which the different personality disorders should be anchored, have been proposed. Here, we propose a dimensional model for personality disorders based on DSM-IV criteria, which are cognitive style (field dependence-independence), prevalent emotion (anger-fear), interpersonal style (submissiveness-dominance), and impulse control (impulsiveness-compulsiveness). We consider that these dimensions are related to different levels of cerebral complexity, assuming that evolution operates under the redundancy principle. Based on these dimensions, a bimodal model in which antisocial personality (high field dependence, anger, dominance, and impulsiveness) and schizotypal personality (low field dependence, fear, submissiveness, and compulsiveness) would be anchored in each extreme is proposed. Between these two extremes, the rest of personality disorders, such as borderline, paranoid, narcissist, histrionic, dependent, passive-aggressive, avoidant, obsessive-compulsive, paranoid, and schizoid, would be anchored.

Humans↗
PubMedDate not supplied

Ethnicity and four personality disorders.

The current study examined the relationship between ethnicity and DSM-IV personality disorders. The distribution of four personality disorders--borderline (BPD), schizotypal (STPD), avoidant (AVPD), and obsessive-compulsive (OCPD)--along with their criteria sets, were compared across three ethnic groups (Caucasians, African Americans, and Hispanics) using both a clinician-administered diagnostic interview and a self-report instrument. Participants were 554 patients drawn from the Collaborative Longitudinal Personality Disorders Study (CLPS) who comprised these three ethnic groups and met personality disorder criteria based on reliably administered semistructured interviews. Chi-square analyses revealed disproportionately higher rates of BPD in Hispanic than in Caucasian and African American participants and higher rates of STPD among African Americans when compared to Caucasians. Self-report data reflected similar patterns. The findings suggest that in treatment-seeking samples, Caucasians, Hispanics, and African Americans may present with different patterns of personality pathology. The factors contributing to these differences warrant further investigation.

Adolescent↗
PubMed1989

New antidepressants and 5-HT uptake inhibitors.

The efficacy of 5-HT uptake inhibitors, including paroxetine, as antidepressants is compared with that of the reference tricyclic antidepressants. It is suggested that some of the older tricyclic antidepressants might not have been released for general clinical use if tested by today's rigorous standards. Placebo-controlled, multicentre studies indicate that 5-HT uptake inhibitors are both effective as antidepressants and well tolerated by depressed patients. They also appear to have a role in the treatment of depression when associated with personality disorders, in the treatment of obsessive-compulsive disorder and bulimia, and in resistant depression. Moreover, the evidence for efficacy in the prophylaxis of depression is better established for 5-HT uptake inhibitors than for reference antidepressants.

Antidepressive Agents↗
PubMed1995

Personality patterns in subjects at risk for affective disorders.

The main conclusions of this study on the familial links between personality patterns and affective disorders are: (1) The personality features with the greatest degree of symptomatic overlap with unipolar depression were more common among the first-degree relatives of probands with this diagnosis: thus dysthymic temperament and neuroticism are enhanced in this group of relatives compared to controls. Likewise personality features with a high degree of symptomatic overlap with bipolar affective disorder were more common among the first-degree relatives of probands with this diagnosis. Thus levels of dysthymic and cyclothymic temperament were elevated in this group of relatives compared to controls, whereas a familial link between neuroticism and bipolar disorder was not observed. (2) In addition, personality traits with only limited similarity with the syndromes of depression and mania were also found to be linked with affective disorders (obsessive-compulsive PD to bipolar disorders, rigidity to both subtypes of affective disorders). These associations have different implications regarding the association between personality/temperament conditions and disorders depending on the degree of overlap between symptoms and the personality trait. Those with substantial overlap may indicate the presence of a unitary disease process in which the enhancement of subthreshold affective traits may result in aggravation of behavior characteristics fulfilling the criteria of fullblown episodes of the disease. This relationship was particularly stressed by Kraepelin, Kretschmer, Clayton et al. and Akiskal. In this view personality and temperament patterns represent minor variants of the associate acute disorders. On the other hand, the relationship between dissimilar conditions may indicate the presence of a risk of underlying vulnerability factors which led to affective disorder only in the presence of additional risk factors. An example of the latter relationship in the present study is the aggregation of obsessive-compulsive and anancastic traits in families with affective disorders. Tellenbach focussed on this particular constellation. Epidemiological and family studies including these personality traits are too rare to fully appreciate the relevance of this particular relationship. Future prospective studies and family genetic studies which investigate the relationship between temperament, personality traits and disorders and affective syndromes are clearly indicated by the results presented herein.

Humans↗
PubMed1997

Feeling unreal: 30 cases of DSM-III-R depersonalization disorder.

OBJECTIVE: In contrast to the recent surge of interest in other dissociative disorders, DSM-III-R depersonalization disorder has not been thoroughly investigated and characterized. The authors systematically elucidated its phenomenology, comorbidity, traumatic antecedents, and treatment history. METHOD: Thirty adult subjects (19 women and 11 men) were consecutively recruited and administered various structured and semistructured interviews as well as the self-rated Dissociative Experiences Scale. An age- and sex-matched normal comparison group was also recruited. RESULTS: The mean age at onset of depersonalization disorder was 16.1 years (SD = 5.2). The illness had a chronic course that was usually continuous but sometimes episodic. Severe distress and high levels of interpersonal impairment were characteristic. Unipolar mood and anxiety disorders were common, but none emerged as specifically related to the depersonalization. A wide variety of personality disorders was manifested; avoidant, borderline, and obsessive-compulsive were most common. Although not highly traumatized, the subjects with depersonalization disorder reported significantly more childhood trauma than the normal comparison subjects. Depersonalization had been typically treatment refractory; only serotonin reuptake inhibitors and, to a lesser extent, benzodiazepines had been of any therapeutic benefit. CONCLUSIONS: This study supports the conceptualization of depersonalization disorder as a distinct disorder with a characteristic course that is independent of mood, anxiety, and personality symptoms. A subtle relationship may exist between childhood trauma and depersonalization disorder that merits further investigation. The disorder appears to be highly treatment refractory, and prospective treatment trials are warranted.

Adolescent↗