Welcome to the EPA 2022 Interactive Programme 

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ICD-11 was released by WHO in 2018 and approved by the World Health Assembly (WHA) in 2019. The revision for all chapters was guided by the principles of global applicability, scientific validity and clinical utility. The new chapter for mental health is termed 06 Mental, Behavioural or Neurodevelopmental Disorders (MBND).

The ICD-11 with its chapter on Mental, Behavioural or Neurodevelopmental Disorders, its Mortality and Morbidity Statistics (MMS), Coding Tool and Reference Guide, Clinical Descriptions and Diagnostic Guidelines (CDDG), and other tools for translation and implementation offers an innovative approach for individualised diagnosis, treatment and care of people with mental disorders. For supporting the international process of implementation, WHO has installed an International Advisory Group for Training and Implementation of ICD-11 MBND.

Development, Concept and Structure of ICD-11 will be presented. Selected changes from ICD-10 to ICD-11 like new diagnostic categories, revision of diagnostic criteria, introduction of dimensional symptom qualifiers or course descriptors, and options for complex coding with regard to their innovative strength, controversial potential and impact on diagnostics, treatment and care will be briefly discussed. National challenges for implementation - partly informed by international field trials, administrative, organisational, educational and training requirements - will be outlined.

The new ICD-11 chapter on Schizophrenia or other primary psychotic disorders will serve as an example to discuss potential impact on treatment selection and outcome.

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Catatonia is a syndrome of primarily psychomotor disturbances associated with typical abnormalities of muscle tone. It is characterized by the co-occurrence of several symptoms of decreased, increased, or abnormal psychomotor activity. Catatonia is a neuropsychiatric syndrome, not an independent nosological entity. Historically associated mainly with schizophrenia (e.g., catatonic subtype), ICD-11, similarly to DSM-5, now recognizes catatonia under a separate classification category, apart from psychotic disorders. In addition to schizophrenia and other primary psychotic disorders, it can occur in the context of other mental disorders, such as mood disorders, or neurodevelopmental disorders, especially autism spectrum disorder. Catatonia can also develop during or immediately after intoxication or withdrawal from psychoactive substances, including phencyclidine, cannabis, hallucinogens such as mescaline or LSD, cocaine and MDMA or related drugs, or during the use of some psychoactive and non-psychoactive medications (e.g. antipsychotic medications, benzodiazepines, steroids, disulfiram, ciprofloxacin). Moreover, catatonia can occur as a direct pathophysiological consequence of various nonpsychiatric medical conditions, e.g., diabetic ketoacidosis, hypercalcemia, hepatic encephalopathy, homocystinuria, neoplasms head trauma, cerebrovascular disease, or encephalitis. Due to the fact that catatonia was mostly associated witch schizophrenia, many cases were not diagnosed and thus did not receive indicated treatment. There are no specific “anti-catatonic” drugs, first-line treatment are benzodiazepines and ECT, in addition to the symptomatic and supportive therapy. The recognition of catatonia as an independent category in ICD-11 can improve medical care for catatonic patients in clinical practice.