胃肠手术后胃肠减压负压吸引器的最佳压力值研究

Pressure for Disposable Vacuum Aspirator in Nasogastric Decompression After Gastrointestinal Operation

目的探讨一次性负压吸引器在胃肠道术后患者使用过程中的适当压力值。方法将212例腹部手术患者随机分为观察组与对照组各106例。术后患者回病房即常规接负压吸引器,观察组压力值调整为-7～-5kPa,对照组为-14～-8kPa。结果两组不同时间胃内容物引流量比较,差异无统计学意义(均P>0.05);两组引流管堵塞发生率比较,差异有统计学意义(P<0.05)。结论胃肠道术后患者一次性负压吸引器压力值调整为-7～-5kPa,不仅能有效引流胃内容物,且能避免引流管堵塞。

Objective To explore the optimum pressure for disposable vacuum aspirator which was used in nasogastric decompression after gastrointestinal surgery. Methods A total of 212 patients were equally randomized into a control group and an observation group. The pressure value for disposable vacuum aspirator in the control group was -14 to -8 kPa, while that in the observation group was -7 to -5 kPa. Results The volume of gastric drainage at different observation time had no significant differences between the two groups（P〉0.05 for all） ; the rate of drainage tube obstruction showed significant differenees（P〈0.05）. Conclusion The optimal pressure for disposable vacuum aspirator in nasogastric decompression is -7 to -5 kPa for patients after gastrointestinal operation. It can effectively suck gastric contents out, prevent drainage tube from obstruction and avoid gastric mucosa damage.