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A systematic review of studies probing longitudinal associations between anxiety and anorexia nervosa

机译：对焦虑与厌食症神经症之间的纵向关联研究的系统审查

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The current study aimed to establish whether anxiety predicts subsequent anorexia nervosa onset and maintenance. A systematic review of longitudinal studies assessing the association between stable anxiety exposures (e.g. trait anxiety/anxiety disorder pathology) and anorexia nervosa development or maintenance was undertaken. Eight studies met inclusion criteria. Seven probed the association between anxiety and anorexia nervosa onset, and one assessed the association between anxiety and anorexia nervosa maintenance. Individuals with anorexia nervosa were more likely to report childhood anxiety compared to healthy individuals, but whether childhood anxiety explains unique variance in anorexia nervosa development is unclear. Current evidence does not support longitudinal associations between specific anxiety disorders (independently of other anxiety disorders) and subsequent anorexia nervosa onset, however anxiety disorder diagnosis in general may predict increased anorexia nervosa risk. The single study probing the association between anxiety and anorexia nervosa maintenance did not find evidence supporting a relationship. The quality of individual studies was fair to high, however the body of evidence was of low quality. Further research that minimises bias, allowing for strong conclusions concerning longitudinal associations between anxiety and subsequent anorexia nervosa outcomes, is required to inform anorexia nervosa aetiology. This in turn may promote improved prevention and treatment.
机译：目前的研究旨在建立焦虑是否预测随后的厌食症神经发病和维护。对纵向研究进行了系统综述，评估稳定焦虑暴露（例如特质焦虑/焦虑症病理学）和厌食神经发育或维护的纵向研究。八项研究符合纳入标准。七探讨了焦虑与厌食症的关联发作，一项评估了焦虑与厌食症的关联。厌食症的个体更容易向健康个体报告儿童焦虑，但儿童焦虑是否解释了厌食症神经系统的独特差异尚不清楚。目前的证据不支持特异性焦虑症（独立于其他焦虑症）和随后的厌食症发作的纵向关联，但是一般焦虑症诊断可能预测厌食症的风险增加。单一的研究探测焦虑与厌食症神经系统维护的关联未发现证据支持关系。个人研究的质量很高，但证据的质量低。需要最大限度地减少偏差的进一步研究，允许关于焦虑与随后的厌食症术后结果的纵向关联的强烈结论，以提供厌食症神经系统的厌食症。这反过来可能促进改善的预防和治疗。

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