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目的：探讨急性脑血管病并发低钠血症（ＨＮ）的相关因素。方法：对发病１周内入院的２５７例脑出血、３９２例脑梗塞（死）、８３例蛛网膜下腔出血患者，按病情轻重、脑出血量及梗塞面积大小和病变部位进行分组，比较各组低钠血症的发生率，并进行统计学处理。结果：重型患者ＨＮ的发生率显著高于轻、中型（Ｐ＜０．０５），轻型与中型间差异无显著性。脑出血的出血量多少、脑梗塞的梗塞面积大小，与血清钠降低无相关性；出血部位在基底节区、丘脑和脑室及丘脑梗塞者，低钠血症发生率明显高于其他部位。结论：低钠血症的发生与病情轻重及病变部位有关，与出血量及梗塞面积无关。
Objective: To investigate the related factors of acute cerebrovascular disease complicated with hyponatremia (HN). Methods: 257 cases of cerebral hemorrhage, 392 cases of cerebral infarction (death) and 83 cases of subarachnoid hemorrhage hospitalized within 1 week after onset were divided according to severity of illness, amount of cerebral hemorrhage, size of infarction area and lesion site, The incidence of hyponatremia group, and statistical analysis. Results: The incidence of HN in severe patients was significantly higher than that in mild to moderate (P <0.05). There was no significant difference between mild and moderate. The amount of hemorrhage in cerebral hemorrhage, infarct size of the infarct size, and no correlation with decreased serum sodium; bleeding in the basal ganglia, thalamus and ventricular and thalamic infarction, hyponatremia incidence was significantly higher than other parts. Conclusions: The incidence of hyponatremia is related to the severity of the disease and the location of the lesion, not related to the amount of bleeding and infarct size.