Partly due to the overlap of symptom groupings in DSM, psychiatric comorbidity is extremely common. One of the most common and difficult to manage comorbid conditions is the co-occurrence of bipolar disorder (BD) and obsessive compulsive disorder (OCD). However, the key nosological question about this condition - whether they are two distinct disorders or a subtype of one of the disorders - remains unresolved. In order to help address this unanswered question, we updated our recent systematic review, searching the electronic databases MEDLINE, Embase, and PsycINFO to specifically investigate the heredity in BD-OCD patients. We identified a total of 8 relevant papers, the majority of which found that, compared to non-BD-OCD patients, BD-OCD patients were more likely to have a family history for mood disorders and less likely to have a family history for OCD. These results support the view that the majority of cases of comorbid BD-OCD are, in fact, BD cases. If confirmed in larger, more focused studies, this conclusion would have important nosological and clinical implications.
概述: 精神病共病极为常见，其部分原因是DSM 诊 断系统症状分组重叠。其中双相障碍 (bipolar disorder, BD) 和强迫症 (obsessive compulsive disorder, OCD) 的共 同出现是最常见的共病之一。然而，我们尚未解决有 关该病症的关键疾病分类问题，即它们两个不同的疾 病还是其中一个病症中的另一种亚型。为了解决这个 悬而未决的问题，我们更新了最近的系统综述，即搜 索电子数据库MEDLINE、Embase 和PsycINFO 专门研 究BD 与OCD 共病患者的遗传性。我们一共纳入了8 篇相关论文，其中大部分研究的发现是，相较于非BD 与OCD 共病的患者，共病患者更可能有心境障碍的家 族史而不太可能有强迫症的家族病史。这些结果支持 大多数BD 与OCD 共病的案例实际上BD 患者。如果这 一结论能在更大的、更集中的研究中得到证实，将具 有重要的疾病分类和临床意义。.
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Keywords: bipolar disorder; comorbidity; heredity; obsessive-compulsive.