Personality disorders (PD) are common and burdensome mental disorders. The treatment of individuals with PD represents one of the more challenging areas in the field of mental health and health care providers need evidencebased recommendations to best support patients with PDs. Clinical guidelines serve this purpose and are formulated by expert consensus and/or systematic reviews of the current evidence. In this review, European guidelines for the treatment of PDs are summarized and evaluated. To date, eight countries in Europe have developed and published guidelines that differ in quality with regard to recency and completeness, transparency of methods, combination of expert knowledge with empirical data, and patient/service user involvement. Five of the guidelines are about Borderline personality disorder (BPD), one is about antisocial personality disorder and three concern PD in general. After evaluating the methodological quality of the nine European guidelines from eight countries, results in the domains of diagnosis, psychotherapy and pharmacological treatment of PD are discussed. Our comparison of guidelines reveals important contradictions between recommendations in relation to diagnosis, length and setting of treatment, as well as the use of pharmacological treatment. All the guidelines recommend psychotherapy as the treatment of first choice. Future guidelines should rigorously follow internationally accepted methodology and should more systematically include the views of patients and users.

The study evaluated the quality of the DSM-IV obsessive-compulsive personality disorder (OCPD) construct as a prototype category. A sample of 2237 patients from the Norwegian Network of Psychotherapeutic Day Hospitals was examined by a variety of psychometric analyses. A high number of OCPD patients (77%) had co-occurrent PDs, but only the co-occurrence with paranoid was significantly higher than expected. Exploratory factor analysis of the PD criteria indicated that OCPD consists of 2 dimensions. The first dimension, perfectionism, was constituted by OCPD criteria only and was significantly related to obsessive-compulsive disorder. The second dimension, aggressiveness, included 2 OCPD criteria, reluctance to delegate and stubbornness, but was also defined by criteria from paranoid, antisocial, and borderline PD. Confirmatory factor analysis of the OCPD criteria indicated a poor fit of both a unitary model and a 3-dimensional model. Overall, the OCPD criteria had poor psychometric properties. Although it seems that the quality of the DSM-IV OCPD as a prototype construct is insufficient, it may be improved by deleting the criteria hoarding behavior and miserliness. Alternative criteria could be related to problems in close relationships involving the need for predictability. Such revisions may add a third dimension to the 2 dimensions of perfectionism and aggressiveness.

ObjectivesFew studies outside United Kingdom have documented effects of mentalization-based treatment (MBT) for patients with borderline personality disorder (BPD). This study aimed to investigate outcomes for BPD patients treated in an MBT programme in a Norwegian specialist treatment unit and compare benefits of the implemented MBT with the unit's former psychodynamic treatment programme.DesignA naturalistic, longitudinal, comparison of treatment effects for BPD patients before and after transition to MBT.MethodsThe sample consisted of 345 BPD patients treated in the period 1993–2013. Before 2008, patients were admitted to a psychodynamic treatment programme (n = 281), after 2008 patients received MBT (n = 64). Symptom distress, interpersonal problems, and global functioning were assessed repeatedly throughout the treatment. Suicidal/self-harming acts, hospital admissions, medication, and occupational status were assessed at the start and end of treatment. Therapists' competence and adherence to MBT was rated and found satisfactory. The statistical method for longitudinal analyses was mixed models.ResultsBPD patients in MBT and in the former psychodynamic treatment programme had comparable baseline severity and impairments of functioning. BPD patients in MBT had a remarkably low drop-out rate (2%), significantly lower than the former treatment. Improvements of symptom distress, interpersonal, global and occupational functioning were significantly greater for MBT patients. Large reductions in suicidal/self-harming acts, hospital admissions, and use of medication were evident in the course of both treatments.ConclusionsThe study confirms the effectiveness of MBT for BPD patients and indicates greater clinical benefits than in traditional psychodynamic treatment programmes.Practitioner pointsMBT is an effective treatment for patients with BPD.MBT can successfully be implemented in therapeutic settings outside United Kingdom and may be more beneficial than psychodynamic treatment programmes for BPD patients.

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The properties of the 17-item Mentalization-Based Treatment Adherence and Competence Scale (MBT-ACS) were investigated in a reliability study in which 18 psychotherapy sessions, comprising two sessions by nine different therapists, were rated by seven different raters. The overall reliabilities for adherence and competence for seven raters were high, .84 and .88 respectively. The level of reliability declined by number of raters but was still acceptable for two raters (.60 and .68). The reliabilities for the various items differed. The MBT-ACS was found to be an appropriate rating measure for treatment fidelity and useful for the purposes of quality control and supervision. The reliability may be enhanced by redefining some items and reducing their numbers.

These findings indicate that RF is associated with core aspects of personality pathology and capture clinically relevant phenomena in adult patients with PDs. Moreover, patients with different capacities for mentalization may need different kinds of therapeutic approaches.

Avoidant personality disorder (APD) and social phobia (SP) are closely related, such that they are suggested to represent different severity levels of one social anxiety disorder. This cross-sectional study aimed to compare patients with APD to patients with SP, with particular focus on personality dysfunction. Ninety-one adult patients were examined by diagnostic interviews and self-report measures, including the Index of Self-Esteem and the Severity Indices of Personality Problems. Patients were categorized in three groups; SP without APD (n = 20), APD without SP (n = 15), and APD with SP (n = 56). Compared to patients with SP without APD, patients with APD reported more symptom disorders, psychosocial problems, criteria of personality disorders, and personality dysfunction regarding self-esteem, identity and relational problems. These results indicate that APD involves more severe and broader areas of personality dysfunction than SP, supporting the conceptualization of APD as a personality disorder as proposed for DSM-5.

Mentalization is the capacity to understand behavior as expressions of various mental states. It is assumed to be important for understanding the underlying psychopathology, the therapeutic process, and the outcome of therapy associated with patients with personality disorders (PDs). However, to date, empirical findings are scarce and inconsistent. This study aimed to examine whether the pre-treatment level of mentalization, operationalized as Reflective Functioning (RF), was associated with differential responses to two different treatment modalities and might predict clinical improvement. We analyzed data from a randomized clinical trial (Ullevål Personality Project). Seventy-eight patients with borderline and/or avoidant PD had been randomly assigned to either a step-down treatment program or outpatient individual psychotherapy. The step-down treatment comprised short-term day hospital treatment, followed by long-term, combined group and individual psychotherapy. RF was rated before treatment and after 36 months. Outcome measures were administered at baseline and after 8, 18, and 36 months. The moderator analyses indicated that patients with low RF levels at baseline responded better to outpatient individual psychotherapy than to the step-down treatment in terms of improvements in psychosocial functioning. Patients with medium-high RF levels responded equally well to both therapy formats. Determining which therapy format is appropriate for specific groups of patients can improve treatment efficiency. Therefore, our findings may have important clinical implications. Future research should address RF as a mediator of change.