A method was established for qualitative and quantitative determination of the reducing substances from plastic blood bags aqueous extract.The samples were extracted with a solid-phase extraction procedure,dichloromet...A method was established for qualitative and quantitative determination of the reducing substances from plastic blood bags aqueous extract.The samples were extracted with a solid-phase extraction procedure,dichloromethane qua extract solvents,and were measured with GC-MS.With this method,we determined several reducing substances from plastic blood bags aqueous extract and fixed quantify on DEHP (di (2-ethylhexyl) phthalate),one of the dominating reducing substances.The method was simple and can be used for the quality control of plastic blood bags.展开更多
目的探讨鼻氧管、氧气面罩和氧袋面罩三种吸氧方法治疗重型病毒性肺炎患者的临床效果。方法113例重型病毒性肺炎患者为研究对象,其中,32例接受鼻氧管吸氧氧疗(鼻氧管组),40例接受氧气面罩吸氧氧疗(氧气面罩组),41例接受氧袋面罩吸氧氧疗...目的探讨鼻氧管、氧气面罩和氧袋面罩三种吸氧方法治疗重型病毒性肺炎患者的临床效果。方法113例重型病毒性肺炎患者为研究对象,其中,32例接受鼻氧管吸氧氧疗(鼻氧管组),40例接受氧气面罩吸氧氧疗(氧气面罩组),41例接受氧袋面罩吸氧氧疗(氧袋面罩组)。对比三组患者吸氧治疗前后的血气分析监测结果[pH值、动脉血氧分压(PaO_(2))、动脉血二氧化碳分压(PaCO_(2))、氧合指数(OI)、血氧饱和度(SpO_(2))],OI<300 mm Hg(1 mm Hg=0.133 kPa)持续时间、治疗有效率及气管插管率。结果治疗前,三组患者的pH值、PaO_(2)、PaCO_(2)、OI、SpO_(2)对比,差异无统计学意义(P>0.05)。氧袋面罩组治疗48 h后的pH值高于本组治疗前,差异具有统计学意义(P<0.05);氧袋面罩组治疗24、48 h后的PaO_(2)高于本组治疗前,且高于氧气面罩组及鼻氧管组同时点,差异具有统计学意义(P<0.05);氧袋面罩组治疗24、48 h后的OI高于氧气面罩组及鼻氧管组同时点,差异具有统计学意义(P<0.05);三组患者治疗24、48 h后的SpO_(2)均高于本组治疗前,差异具有统计学意义(P<0.05)。氧袋面罩组患者的OI<300 mm Hg持续时间为(8.32±3.82)d、治疗有效率为70.7%、气管插管率为19.5%;氧气面罩组患者的OI<300 mm Hg持续时间为(9.34±4.36)d、治疗有效率为67.5%、气管插管率为22.5%;鼻氧管组患者的OI<300 mm Hg持续时间为(12.35±4.64)d、治疗有效率为56.3%、气管插管率为31.3%。氧袋面罩组及氧气面罩组患者的OI<300 mm Hg持续时间均短于鼻氧管组,差异具有统计学意义(P<0.05);氧袋面罩组及氧气面罩组患者的OI<300 mm Hg持续时间对比,差异无统计学意义(P>0.05);三组患者的治疗有效率及气管插管率两两对比,差异无统计学意义(P>0.05)。结论氧气面罩、氧袋面罩吸氧氧疗应用于重型病毒性肺炎患者较鼻氧管吸氧氧疗可更明显改善患者的血气指标,具有较高的安全性。展开更多
目的旨在摸索鞋套加海绵充填式的血袋装杯方法,以提高一次成浆效率和减少血液报废量。方法通过采用鞋套加海绵充填式血袋装杯方法和常规装杯方法,对使用压沿型血袋和吹塑型血袋采集的400 m L或200 m L全血,在当日或隔日完成离心分离,并...目的旨在摸索鞋套加海绵充填式的血袋装杯方法,以提高一次成浆效率和减少血液报废量。方法通过采用鞋套加海绵充填式血袋装杯方法和常规装杯方法,对使用压沿型血袋和吹塑型血袋采集的400 m L或200 m L全血,在当日或隔日完成离心分离,并对两种装杯方法的一次成浆情况进行统计分析。结果两种血袋装杯方法离心后的一次成浆率效果比较,有统计学差异。离心后血袋破损情况为,两种方法中200 m L压沿血袋一次成浆情况下的破袋率不具有统计学差异;200 m L吹塑血袋一次成浆情况下的破袋率差异具有统计学意义;400 m L压沿及吹塑血袋一次成浆情况下的破袋率差异具有统计学意义;二次成浆情况下不同容量的两种血袋的破袋率差异不具有统计学意义。结论鞋套加海绵充填式血袋装杯方法,在保证离心后血浆的一次成浆上效果明显,在防止离心破袋上亦有一定作用,不失为一种简便易行的血液装杯方法。展开更多
A method was established for determination of the reducing substances released from plastic blood bags to anticoagulant.The samples were extracted with a solid-phase extraction procedure using dichloromethane as extra...A method was established for determination of the reducing substances released from plastic blood bags to anticoagulant.The samples were extracted with a solid-phase extraction procedure using dichloromethane as extract solvents.The extracts were measured with GC-MS.Several reducing substances,such as 1,2-benzenedicarboxylic acid,alkane and bis(2-ethylhexyl) phthalate,etc were found in anticoagulant.The method was simple and can be used for the quality control of plastic blood bags.展开更多
文摘A method was established for qualitative and quantitative determination of the reducing substances from plastic blood bags aqueous extract.The samples were extracted with a solid-phase extraction procedure,dichloromethane qua extract solvents,and were measured with GC-MS.With this method,we determined several reducing substances from plastic blood bags aqueous extract and fixed quantify on DEHP (di (2-ethylhexyl) phthalate),one of the dominating reducing substances.The method was simple and can be used for the quality control of plastic blood bags.
文摘目的探讨鼻氧管、氧气面罩和氧袋面罩三种吸氧方法治疗重型病毒性肺炎患者的临床效果。方法113例重型病毒性肺炎患者为研究对象,其中,32例接受鼻氧管吸氧氧疗(鼻氧管组),40例接受氧气面罩吸氧氧疗(氧气面罩组),41例接受氧袋面罩吸氧氧疗(氧袋面罩组)。对比三组患者吸氧治疗前后的血气分析监测结果[pH值、动脉血氧分压(PaO_(2))、动脉血二氧化碳分压(PaCO_(2))、氧合指数(OI)、血氧饱和度(SpO_(2))],OI<300 mm Hg(1 mm Hg=0.133 kPa)持续时间、治疗有效率及气管插管率。结果治疗前,三组患者的pH值、PaO_(2)、PaCO_(2)、OI、SpO_(2)对比,差异无统计学意义(P>0.05)。氧袋面罩组治疗48 h后的pH值高于本组治疗前,差异具有统计学意义(P<0.05);氧袋面罩组治疗24、48 h后的PaO_(2)高于本组治疗前,且高于氧气面罩组及鼻氧管组同时点,差异具有统计学意义(P<0.05);氧袋面罩组治疗24、48 h后的OI高于氧气面罩组及鼻氧管组同时点,差异具有统计学意义(P<0.05);三组患者治疗24、48 h后的SpO_(2)均高于本组治疗前,差异具有统计学意义(P<0.05)。氧袋面罩组患者的OI<300 mm Hg持续时间为(8.32±3.82)d、治疗有效率为70.7%、气管插管率为19.5%;氧气面罩组患者的OI<300 mm Hg持续时间为(9.34±4.36)d、治疗有效率为67.5%、气管插管率为22.5%;鼻氧管组患者的OI<300 mm Hg持续时间为(12.35±4.64)d、治疗有效率为56.3%、气管插管率为31.3%。氧袋面罩组及氧气面罩组患者的OI<300 mm Hg持续时间均短于鼻氧管组,差异具有统计学意义(P<0.05);氧袋面罩组及氧气面罩组患者的OI<300 mm Hg持续时间对比,差异无统计学意义(P>0.05);三组患者的治疗有效率及气管插管率两两对比,差异无统计学意义(P>0.05)。结论氧气面罩、氧袋面罩吸氧氧疗应用于重型病毒性肺炎患者较鼻氧管吸氧氧疗可更明显改善患者的血气指标,具有较高的安全性。
文摘目的旨在摸索鞋套加海绵充填式的血袋装杯方法,以提高一次成浆效率和减少血液报废量。方法通过采用鞋套加海绵充填式血袋装杯方法和常规装杯方法,对使用压沿型血袋和吹塑型血袋采集的400 m L或200 m L全血,在当日或隔日完成离心分离,并对两种装杯方法的一次成浆情况进行统计分析。结果两种血袋装杯方法离心后的一次成浆率效果比较,有统计学差异。离心后血袋破损情况为,两种方法中200 m L压沿血袋一次成浆情况下的破袋率不具有统计学差异;200 m L吹塑血袋一次成浆情况下的破袋率差异具有统计学意义;400 m L压沿及吹塑血袋一次成浆情况下的破袋率差异具有统计学意义;二次成浆情况下不同容量的两种血袋的破袋率差异不具有统计学意义。结论鞋套加海绵充填式血袋装杯方法,在保证离心后血浆的一次成浆上效果明显,在防止离心破袋上亦有一定作用,不失为一种简便易行的血液装杯方法。
文摘A method was established for determination of the reducing substances released from plastic blood bags to anticoagulant.The samples were extracted with a solid-phase extraction procedure using dichloromethane as extract solvents.The extracts were measured with GC-MS.Several reducing substances,such as 1,2-benzenedicarboxylic acid,alkane and bis(2-ethylhexyl) phthalate,etc were found in anticoagulant.The method was simple and can be used for the quality control of plastic blood bags.
