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投稿时间:2023-08-10 网络发布日期:2024-08-20
投稿时间:2023-08-10 网络发布日期:2024-08-20
中文摘要: 目的 探讨全身麻醉患者拔除气管导管后微旁流呼气末二氧化碳分压(PETCO2)与动脉血二氧化碳分压 (PaCO2)的相关性。方法 选择江苏省肿瘤医院2021年1月至5月择期行腹部手术的患者120例,采取随机数字表法将患者分为3组,每组40例,分别经鼻导管不同流量吸氧,低流量组(L组)2 L/min,中流量组(M组)4 L/min和高流量组(H组)6 L/min。在拔除气管导管30 min时记录PETCO2数值并抽取动脉血测量PaCO2,Pearson法分析PETCO2与PaCO2的相关性。结果 拔管30 min时,三组PETCO2、PaCO2、RR差异无统计学意义(P>0.05);L组PaO2和SpO2均显著低于M组和H组(P<0.05)。L组、M组、H组微旁流PETCO2与PaCO2均呈高度相关(r=0.931、0.878、0.838, P<0.01),二者的相关性随着氧流量的升高而降低。结论 PACU内全身麻醉患者拔除气管导管后使用微旁流PETCO2监测时,在2~6 L/min的氧流量下微旁流PETCO2与PaCO2均保持高度相关性,可作为评估PaCO2的重要参考。
Abstract:Objective To evaluate the correlation between microstream partial pressure of end-tidal carbon dioxide (PETCO2) and arterial partial pressure of carbon dioxide (PaCO2) in patients with general anesthesia after tracheal catheter removal. Methods A total of 120 patients in Jiangsu Cancer Hospital undergoing abdominal operation under general anesthesia were selected and randomly divided into 3 groups, with 40 patients in each group. Each group received oxygen through nasal catheter at different flow rates: group L (2 L/min), group M (4 L/min) and group H (6 L/min). After 30 min of tracheal catheter removal, the value of PETCO2 was recorded and arterial blood was drawn to measure PaCO2, and the correlation between PETCO2 and PaCO2 was analyzed by Pearson. Results At 30 min of extubation, the differences in PETCO2, PaCO2, and RR among the three groups were not statistically significant (P>0.05); PaO2 and SpO2 in group L were significantly lower than those in groups M and H (P<0.05). There was a high correlation between microstream PETCO2 and PaCO2 in group L, M and H (r =0.931, 0.878 and 0.838, P<0.01), and the correlation coefficients decreased with the increase of oxygen flow. Conclusion When microstream PETCO2 is used to monitor patients under general anesthesia in PACU after tracheal catheter removal, there is a high correlation between PETCO2 and PaCO2 at 2-6 L/min oxygen flow, which can be used as an important reference for the evaluation of PaCO2.
keywords: Capnography Oxygen inhalation therapy Pulmonary ventilation Partial pressure of end-tidal carbon dioxide Arterial partial pressure of carbon dioxide
文章编号: 中图分类号:R614.2 R473 文献标志码:A
基金项目:江苏省肿瘤医院优才计划(YC201805)
Author Name | Affiliation |
WANG Yue, GU Xiaolan, WANG Lijun, GU Lianbing | *Department of Anethesiology, The Sixth Medical Center of PLA General Hospital, Beijing 100037, China |
引用文本:
王玥,辜晓岚,王丽君,等.全身麻醉患者拔除气管导管后微旁流PETCO2与PaCO2的相关性[J].中国临床研究,2024,37(8):1210-1213.
王玥,辜晓岚,王丽君,等.全身麻醉患者拔除气管导管后微旁流PETCO2与PaCO2的相关性[J].中国临床研究,2024,37(8):1210-1213.