目的：观察右美托咪定复合丙泊酚瑞芬太尼靶控全身麻醉在腹腔镜全子宫切除术中的应用对血流动力学及围术期不良反应的影响。方法将60例行腹腔镜下全子宫切除术的患者（年龄30～60岁，ASA 分级Ⅰ—Ⅱ级，无心血管病史）按麻醉用药的不同...目的：观察右美托咪定复合丙泊酚瑞芬太尼靶控全身麻醉在腹腔镜全子宫切除术中的应用对血流动力学及围术期不良反应的影响。方法将60例行腹腔镜下全子宫切除术的患者（年龄30～60岁，ASA 分级Ⅰ—Ⅱ级，无心血管病史）按麻醉用药的不同分为 D 组和 C 组，每组30例。D 组在麻醉诱导前15 min 泵注盐酸右美托咪定注射液0．5μg·kg－1，并持续泵注盐酸右美托咪定注射液0．2μg·kg－1·h－1至手术结束前40 min 停药；C 组泵注等容量的0．9％氯化钠注射液。观察2组用药前（T0），给药15 min 后（T1），插管时（T2）、气腹完成时（T3），拔管时（T4）和拔管后30 min（T5）的血流动力学指标[心率（HR）、收缩压（SBP）、舒张压（DBP）]，手术时间、脑电双频指数（BIS）值，丙泊酚注射液、枸橼酸芬太尼注射液、盐酸右美托咪定注射液的使用量，围术期不良反应[HR 减慢＜50次·min－1，拔管呛咳、术后恶心呕吐、寒颤，苏醒延迟（＞30 min）]发生率。术后30 min 对2组进行视觉模拟评分法（VAS 法）评分。结果与 C 组比较，D 组丙泊酚注射液、枸橼酸芬太尼注射液使用量均明显减少，HR 减慢＜50次·min－1发生率则明显升高，T1—T5时点 SBP、DBP、HR 和拔管呛咳、术后恶心呕吐、寒颤发生率及术后30 min VAS 得分均明显降低（均 P ＜0．05）。结论右美托咪定复合丙泊酚、瑞芬太尼联合靶控输注用于妇科腹腔镜下全子宫切除术可减少患者术中的应激反应，维持患者的循环稳定，减少麻醉药物使用量，降低围术期不良反应发生率。展开更多
In this paper,a new model with a total amount control target of allowable water withdrawal based on initial water right is built for the implementation of initial water right allocation scheme as well as unified alloc...In this paper,a new model with a total amount control target of allowable water withdrawal based on initial water right is built for the implementation of initial water right allocation scheme as well as unified allocation for allowable water withdrawal and sewage discharge.The model couples the water allocation simulation model and the computational model of permissible pol-lution bearing capacity.In view of the model complexity,a new technology which synthesizes system simulation,iterative reservoir turns and intelligent computation is proposed to improve the operability of allocation scheme and computational efficiency.Taking the Beijiang River Basin in the Pearl River Basin as an example,the study explains the model establishment,solution and application,and draws an optimized operation graph of large-scale reservoirs.The study also obtains a long-term operation strategy of river basin water resources system,the allocation schemes of allowable water withdrawal and sewage discharge in a typical year and the flow hydrographs of trans-boundary sections.The validity of the model and the allocation rationality are analyzed as well.展开更多
文摘目的：观察右美托咪定复合丙泊酚瑞芬太尼靶控全身麻醉在腹腔镜全子宫切除术中的应用对血流动力学及围术期不良反应的影响。方法将60例行腹腔镜下全子宫切除术的患者（年龄30～60岁，ASA 分级Ⅰ—Ⅱ级，无心血管病史）按麻醉用药的不同分为 D 组和 C 组，每组30例。D 组在麻醉诱导前15 min 泵注盐酸右美托咪定注射液0．5μg·kg－1，并持续泵注盐酸右美托咪定注射液0．2μg·kg－1·h－1至手术结束前40 min 停药；C 组泵注等容量的0．9％氯化钠注射液。观察2组用药前（T0），给药15 min 后（T1），插管时（T2）、气腹完成时（T3），拔管时（T4）和拔管后30 min（T5）的血流动力学指标[心率（HR）、收缩压（SBP）、舒张压（DBP）]，手术时间、脑电双频指数（BIS）值，丙泊酚注射液、枸橼酸芬太尼注射液、盐酸右美托咪定注射液的使用量，围术期不良反应[HR 减慢＜50次·min－1，拔管呛咳、术后恶心呕吐、寒颤，苏醒延迟（＞30 min）]发生率。术后30 min 对2组进行视觉模拟评分法（VAS 法）评分。结果与 C 组比较，D 组丙泊酚注射液、枸橼酸芬太尼注射液使用量均明显减少，HR 减慢＜50次·min－1发生率则明显升高，T1—T5时点 SBP、DBP、HR 和拔管呛咳、术后恶心呕吐、寒颤发生率及术后30 min VAS 得分均明显降低（均 P ＜0．05）。结论右美托咪定复合丙泊酚、瑞芬太尼联合靶控输注用于妇科腹腔镜下全子宫切除术可减少患者术中的应激反应，维持患者的循环稳定，减少麻醉药物使用量，降低围术期不良反应发生率。
基金supported by National Natural Science Foundation of China (Grant No.50909063,70771035)Humanities and Social Sciences Foundation provided by Ministry of Education of China (Grant No.07JC790015)Non-profit Industry Financial Program of Ministry Water Resources of China (Grant No.200901044)
文摘In this paper,a new model with a total amount control target of allowable water withdrawal based on initial water right is built for the implementation of initial water right allocation scheme as well as unified allocation for allowable water withdrawal and sewage discharge.The model couples the water allocation simulation model and the computational model of permissible pol-lution bearing capacity.In view of the model complexity,a new technology which synthesizes system simulation,iterative reservoir turns and intelligent computation is proposed to improve the operability of allocation scheme and computational efficiency.Taking the Beijiang River Basin in the Pearl River Basin as an example,the study explains the model establishment,solution and application,and draws an optimized operation graph of large-scale reservoirs.The study also obtains a long-term operation strategy of river basin water resources system,the allocation schemes of allowable water withdrawal and sewage discharge in a typical year and the flow hydrographs of trans-boundary sections.The validity of the model and the allocation rationality are analyzed as well.
