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目的研究小儿手术后早期低氧血症与麻醉恢复评分(PARS)相关性。方法选择按美国麻醉医师协会(ASA)身体状态分级为Ⅰ级、年龄3个月~14岁拟行择期体表整形外科手术患儿1213例。手术均是在静吸复合全身麻醉下实施。在患儿到达麻醉恢复室即刻(0 min)和5、10、152、0、30、40、50、60、120和180 min时,记录呼吸空气状态下Sp(O2)值,并同时行PARS评估。根据不同PARS将患儿分为3组:Ⅰ组PARS≤6分;Ⅱ组PARS为7~9分;Ⅲ组PARS=10分。结果患儿术后早期PARS越低,其低氧血症和严重低氧血症发生率越高。3组术后早期低氧血症发生率有显著差异(P均<0.05)。结论PARS与手术后早期低氧血症发生率和严重程度密切相关。对于PARS为10分的患儿,术后早期阶段可不必常规予吸氧治疗。
Objective To investigate the correlation between early hypoxemia and anesthesia recovery score (PARS) after pediatric surgery. Methods According to the American Society of Anesthesiologists (ASA) physical status grading Ⅰ grade, aged 3 months to 14 years old 1212 cases scheduled for elective plastic surgery. Surgery is carried out under static inhalation combined with general anesthesia. Record the value of Sp (O2) in the state of breathing air at the moment (0 min) and at 5, 10,152,0,30,40,50,60,120 and 180 minutes of the anesthesia recovery room and at the same time PARS Evaluation. According to different PARS, the children were divided into 3 groups: PARS≤6 points in group I; PARS in groups II was 7-9 points; PARS = 10 points in group III. Results The lower the early postoperative PARS, the higher the incidence of hypoxemia and severe hypoxemia. The incidence of early postoperative hypoxemia was significantly different among the three groups (all P <0.05). Conclusions PARS is closely related to the incidence and severity of early postoperative hypoxemia. For children with a PARS score of 10, oxygen therapy may not be routinely prescribed in the early postoperative period.