Conclusions Hyponatremia, hypernatruria, hypovolemia and changes of consciousness are main signs to diagnose CSWS.Hydration and salt replacement are safe and effective in the treatment of CSWS.

• 结论低血钠、高尿钠、低血容量及意识状态改变是脑性盐耗综合征的诊断依据，水化和补盐治疗安全有效。