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目的探讨老年重症肺炎患者血乳酸水平的变化及与预后的关系。方法选取老年重症肺炎患者40例作为观察组,并随机选取同期健康体检老年人40例作为对照组。所有受试者的血乳酸水平均采用乳酸氧化酶法进行测定。结果观察组的血乳酸水平、血乳酸异常比例高于对照组,观察组中按年龄大小分为两组,年龄大的血乳酸水平高于年龄小的。预后观察组死亡的血乳酸水平高于生存的。结论老年重症肺炎患者的血乳酸水平较健康老人水平高,并且患者年龄越大血乳酸水平越高。血乳酸水平与预后有一定关系,可以作为检测病情以及预后判断的一个指标。
Objective To investigate the changes of blood lactic acid in elderly patients with severe pneumonia and its relationship with prognosis. Methods Forty elderly patients with severe pneumonia were selected as the observation group and 40 healthy elderly people were randomly selected as the control group. Blood lactate levels in all subjects were determined using the lactate oxidase method. Results The ratio of blood lactic acid and blood lactic acid in the observation group was higher than that in the control group. The observation group was divided into two groups according to their age, and the older group had higher blood lactate level than the younger group. The prognosis observation group died of blood lactate levels higher than survival. Conclusion The blood lactic acid level in elderly patients with severe pneumonia is higher than that in healthy elderly patients, and the older the patients, the higher the blood lactate level. Blood lactate levels and prognosis have a certain relationship, can be used as an indicator of disease detection and prognosis.