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《高效液相色谱法测定血浆中瑞芬太尼含量-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、第35卷第9期河北医科大学学报Vo1.35No.9·1040·2014年9月JOURNALOFHEBEIMEDICALUNIVERSITYSept.2014·论著·高效液相色谱法测定血浆中瑞芬太尼含量冯锐,郑颖,张俊贞,王明霞,刘江,尉晓然(河北医科大学第四医院药学部,河北石家庄050011)【摘要】目的建立血浆中瑞芬太尼高效液相色谱测定方法,为临床合理用药提供依据。方法血浆样品用1氯丁烷进行萃取,上清液提取至0.01mol/L盐酸溶液中。分析柱为spherisorb.cN,流动相为0.02mol/L的NaH,PO水溶液一乙腈(70:30),内含三乙胺0.01%,流速1.5m
2、L/min,柱温为室温,紫外检测波长为210nm,进样量为200~L。选择择期行胸科手术患者8例,靶控输注瑞芬太尼浓度(cp)6L复合异丙酚2.5mkg,分别在瑞芬太尼靶控输注前及靶控输注后5、10、20、30、60、90min时抽取桡动脉血,用高效液相色谱法测定瑞芬太尼血药浓度(Cm)。结果人血浆中瑞芬太尼检测浓度在2.5~3001xg/L范围内线性关系良好(r=0.9991)。日内日间精密度均在10%以内,提取回收率大于78.57%,方法回收率在9603%104.67%。在靶控输注5~20min时,瑞芬太尼测定浓度低于靶控输注浓度(P<0.05),30~90min两者差异
3、无统计学意义(P>0.05)。结论该方法操作简便,分离度好,其专属性、准确度、精密度、线性范围及稳定性均适合实际样品的检测。【关键词】瑞芬太尼;血浆;色变法,高压液相doi:l0.3969/j.issn.1007.3205.2014.09.016【中图分类号】11927.2【文献标志码】A【文章编号】1007-3205(2014)09.1040-04DETERMINATIoNoFREMIFENTANILCoNCENTRATIoNlNPLASMABYHIGHPERFoItMANCELIQUIDCHRoMARoGRAPHYFENGRui,ZHENGring,ZHANGJunzhe
4、n,WANGMingxia,LIUJiang,YUXiaoran(DepartmentofPharmacy,theFourthHospitalofHebeiMedicalUniversity,Shifiazhuang050011,China)ABSTRACT:ObjectiveHighperformanceliquidchromarography(HPLC)methodwasestablishedfordeterminationofremifentanilinplasma.Thestudywillprovideacademicfoundationforthedevelopme
5、ntandclinicaluseofremifentanil.MethodsThesamplesextractedwith1.chlorobutaneandsupernatantwasbackextractedinto0.01mol/LHC1again.Theseparationwasperformedonaspherisorb—CNcolumnwithamobilephaseof0.02mol/L一1NaH2P04-aeetonitrile(70:30)including0.01%triethylamineataflowrateof1.5mE/min.Thecolumnte
6、mperaturewasroomtemperature.thedetection.wavelengthwas210nmand2001xLofsolutionwasinjectedintoHPLC.Eightpatientsundergoingthoracicsurgerywereassignedtoreceiveremifentaniltargetcontrolledinfusion(TCI)(61xg/L)andpropofolintravenousinjection(2.5ms/kg).Arterialbloodsamplesweretakenbeforeandafter
7、TCIremifentanil5,10,20,30,60.90minformeasuringofbloodconcentrationofremifentanilbyHPLC.ResultsAlinearitywasobtainedfrom2.5g/Lto3001xg/Lofremifentanilinplasmawithagoodcorrelation(r:0.9991).‘强ebetween—dayandwithin—dayRSD%werelessthan10%.肠eextractionrecover
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