分裂情感障碍
心理学
精神科
精神分裂症(面向对象编程)
DSM-5
妄想障碍
共病
精神分裂症的诊断
双相情感障碍
临床心理学
妄想
精神障碍分类
精神病
精神障碍患病率
心理健康
认知
标识
DOI:10.4103/0253-7176.135365
摘要
Byline: Rajiv. Tandon Our current systems of classifying psychiatric disorders (Diagnostic and Statistical Manual of Mental Disorders [DSM] and International Classification of Diseases [ICD]) have evolved over the past 60 years from the first edition of the DSM (DSM-1) [sup][1] to the current DSM-5 [sup][2] and from the sixth revision of the ICD (ICD-6) [sup][3] to the current ICD-10. [sup][4] Each revision has sought to incorporate new knowledge about various psychiatric disorders, improve reliability and validity, provide diagnostic clarity and enhance clinical utility. In addition, DSM-5 sought to address limitations in the DSM-IV definitions of various disorders; with regard to psychotic disorders, these included: [sup][5] (i) Unclear boundary between schizoaffective disorder and schizophrenia; (ii) variable definitions and discrepant treatment of catatonia across DSM-IV manual; (iii) poor description of clinical heterogeneity of schizophrenia and other psychotic disorders; (iv) spurious comorbidity of delusional disorder and obsessive-compulsive disorder; (v) poor reliability and low diagnostic stability of the diagnosis of schizoaffective disorder; and (vi) inappropriate treatment of first-rank (bizarre delusions or special hallucinations) in the definition of schizophrenia. Revisions in DSM-5 sought to address these limitations, while incorporating new information about various psychotic disorders generated since the publication of DSM-IV in 1994. In addition, revisions were intended to enhance clinical utility by reducing unnecessary complexity and improving coherence across this group of disorders. The major revisions in the definition of schizophrenia and other psychotic disorders from DSM-IV to DSM-5 are summarized along with the implications of these changes for clinical practice. Schizophrenia In view of its fair validity and clinical utility, changes in the diagnostic criteria of schizophrenia are relatively modest, and broad continuity with DSM-IV is maintained. The significant heterogeneity of the schizophrenias is, however, poorly explained by DSM-IV and consequently, major changes in this regard were made in DSM-5. The treatment of bizarre delusions and other first-rank in criterion A (active phase symptoms) is eliminated because these have not been found to be specific for schizophrenia and the distinction between bizarre versus nonbizarre delusions has been found to have poor reliability. [sup][6] These lack any significance in the context of schizophrenia. In DSM-5, Schneiderian first-rank symptoms are treated like any other symptom with regard to their diagnostic implication : t0 wo criterion A will be required even if one of them is a bizarre delusion. The impact of this change on clinical practice will be limited because A second change is the addition of a requirement that at least one of the two required to meet criterion A be delusions, hallucinations, or disorganized thinking. These are core positive symptoms and should be necessary for a reliable diagnosis of schizophrenia. [sup][8] Again, this change will have negligible impact on clinical practice as One major change in DSM-5 will be the elimination of the classic subtypes of schizophrenia. These subtypes have limited diagnostic stability, low reliability, poor validity, and little clinical utility. …
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