Evaluation of Catatonia with Different Assessment Scales in Psychiatry and Neurology.

Objective: Catatonia is a syndrome that can be missed in clinical settings. Diagnosis of catatonia is important because the condition can be reversible and is associated with severe complications. This study aims to screen patients with catatonia admitted to a university hospital's psychiatry and neurology services, examine their characteristics, and compare the coverage of different catatonia scales.

Efficacy and tolerability of antipsychotic polypharmacy for schizophrenia spectrum disorders. A systematic review and meta-analysis of individual patient data.

Background: Antipsychotic polypharmacy (APP) is frequently prescribed for schizophrenia-spectrum disorders. Despite the inconsistent findings on efficacy, APP may be beneficial for subgroups of psychotic patients. This meta-analysis of individual patient data investigated moderators of efficacy and tolerability of APP in adult patients with schizophrenia-spectrum disorders.

Catatonia Due to Lithium Neurotoxicity: A Case Report.

Lithium may cause toxicity as it has a narrow therapeutic range. Lithium intoxication may manifest in the form of acute, acute on chronic and chronic intoxication. Neurotoxicity is a common component of chronic lithium intoxication and the symptoms include tremor, ataxia, dysarthria, extrapyramidal symptoms, hyperreflexia, seizures and status epilepticus.

Validity and Reliability Study of Turkish Version of Clinical Assessment Interview for Negative Symptoms (CAINS).

Introduction: This study aims to translate and investigate the validity and reliability of the Turkish version of the Clinical Assessment Interview for Negative Symptoms (CAINS), which has additional features compared to other scales in assessing negative symptoms in patients with schizophrenia.

Methods: The Turkish version of CAINS was constructed upon an initial translation to Turkish, and an English back translation of the scale was later conducted. The patients diagnosed with schizophrenia (n=79) according to Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) diagnostic criteria were administered the Turkish version of CAINS, the Positive and Negative Syndrome Scale (PANSS), the Scale for the Assessment of Negative Symptoms (SANS), the Scale for the Assessment of Positive Symptoms (SAPS), the Calgary Depression Scale for Schizophrenia (CDSS), the Clinical Global Impression Scale (CGI), the Global Assessment of Functioning Scale (GAF) and the Simpson-Angus Extrapyramidal Side Effects Assessment Scale (SAS).