Publications by authors named "Tobias Teismann"

Practice-based evidence has emerged as an important complementary paradigm to studies in controlled trials. This paper presents results of a large research-practice network at German university outpatient clinics; the KODAP initiative. Pre-post effect sizes, direct assessments of change, and rates of clinically significant and reliable improvement are reported in a heterogeneous clinical sample of 6624 adult patients treated between 2023 and 2014 in 29 psychotherapeutic outpatient clinics.

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Background: Although meta-analyses suggest comparable efficacy of cognitive-behavioral therapy (CBT) in older adults compared to working-age adults, little is known about its effectiveness in naturalistic settings across different age groups. Hence, this study compared symptom change, attrition rates, and treatment duration in outpatient CBT between working-age adults (18-64 years), young-old adults (65-74 years), and old-old adults (≥ 75 years).

Methods: We analyzed a large naturalistic dataset comprising 9081 patients between 18 and 96 years receiving outpatient CBT in Germany.

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Background: The potential of telehealth psychotherapy (ie, the online delivery of treatment via a video web-based platform) is gaining increased attention. However, there is skepticism about its acceptance, safety, and efficacy for patients with high emotional and behavioral dysregulation.

Objective: This study aims to provide initial effect size estimates of symptom change from pre- to post treatment, and the acceptance and safety of telehealth dialectical behavior therapy (DBT) for individuals diagnosed with borderline personality disorder (BPD).

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Objective: Research suggests that some therapists achieve better outcomes than others. However, an overlooked area of study is how institution differences impact patient outcomes independent of therapist variance. This study aimed to examine the role of institution and therapist differences in adult outpatient psychotherapy.

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Although negative effects of psychological interventions are suspected to be common, they are rarely investigated. Experts and international guidelines agree that monitoring for negative effects in clinical studies is needed to make psychological interventions safer and to empower patients before they give their consent to participate. Therefore, monitoring should already be considered during planning and preregistration of a study.

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Background: International clinical guidelines recommend Family Interventions (FIs) especially for families of people at early stages of psychosis. The German S3 treatment guideline for schizophrenia gives FIs the highest level of clinical recommendation. However, some family relatives have limited access to these services due to health system constrains.

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Background: The dual-factor model of mental health posits that mental health and mental illness constitute two distinct axes; accordingly the model identifies four mental health groups: (1) complete mental health, (2) troubled, (3) vulnerable, (4) symptomatic but content. Yet, only a few studies investigated effectiveness of therapy on both dimensions of mental health simultaneously. Against this background, the present study aimed to determine proportions and changes of group assignments in depressed inpatients undergoing therapy.

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Background: Modern concepts assume that mental health is not just the absence of mental illness but is also characterized by positive well-being. Recent findings indicated a less pronounced distinction of positive and negative mental health dimensions in clinical samples. Self-perceived strengths were associated with markers of mental health in healthy individuals.

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