简介:摘要目的比较不同检测方法检测痰液标本结核分支杆菌的检测效果。方法80份拟诊为肺结核患者的痰液标本分别采用涂片抗酸染色法、快速结核菌培养法和荧光定量PCR技术对痰结核分枝杆菌进行检测,并对其检出率进行比较。结果RT-PCR法、菌培养法、染色法的检出率分别为93.75%、71.25%、56.25%。RT-PCR检出率高于菌培养法及染色法,菌培养法检出率高于染色法。结论荧光定量PCR技术能对痰结核分枝杆菌进行简便快速、敏感、特异的检测,值得推广应用。
简介:AIM:Toassessthequantitativeassociationbetweenanisometropiamagnitude(AM)andthelossesofresolutionandcontrastsensitivity;andtoexemplifyhowthefunctionoffusionandstereopsisvarywithAMinpreviouslyuntreatedanisometropicamblyopia.METHODS:Atotalof57patientswithpreviouslyuntreatedanisometropicamblyopiawithoutstrabismus(range:8-35years),weremeasuredrefractiveerror,bestcorrectedvisualacuity(BCVA),fusionandstereopsis,and48patientshavecompletedcontrastsensitivityfunctiontest.AMwasdeterminedbydioptricvectoradditionmodel,andtheamblyopiadepthwasdeterminedbythedifferenceofBCVAinlogMARunitsbetweentheamblyopicandfelloweyes.RESULTS:AMwassignificantlycorrelatedwithbothamblyopiadepth(PearsonR=0.728,P<0.001)andtheinter-oculardifferenceoftheareaunderthelogcontrastsensitivityfunction(AULCSF)(R=0.505,P<0.001).Depthofamblyopiaandtheinter-oculardifferenceofAULCSFwasalsosignificantlycorrelated(R=0.761,P<0.001).Themoreseverityofamblyopia,thepoorerlevelsofcontrastsensitivity.MostpureanisometropeswithAMwaslessthan3.0Dretainfusionandsomestereopsis,butwhenAMweremorethan3.0D,especiallyfortheanisometropeswhoseAMwasmorethan6.0D,fusionandstereopsisfunctionwereseriouslyimpaired.CONCLUSION:Inthepatientswithpreviouslyuntreatedanisometropicamblyopia,higherdegreeofanisometropiaissignificantlyassociatedwithdeeperamblyopia,worsecontrastsensitivity,fusionandstereopsisfunctions.
简介:摘要目的评估5-氨基酮戊酸光动力(5-aminolevulinicacidphotodynamictherapy,ALA-PDT)疗法治疗扁平疣的临床疗效。方法扁平疣患者177例,分为治疗组87例,采用5-ALA-PDT治疗,应用LED光源照射,功率密度70mW/cm2,距离20cm,照射20min。对照组90例,采用CO2治疗。末次治疗后4周判定两组疗效。末次治疗后3个月后判定两组复发率。结果治疗组患者治疗1~4次后,痊愈率94.3%,治疗后无感染、溃烂或瘢痕等不良反应发生。对照组经1~3次治疗后痊愈率72.0%。治疗组有效率高于对照组,差异有显著意义(P<0.05)。随访3个月后,治疗组复发率5.0%,对照组复发率26.7%,治疗组复发率低于对照组,差异有显著意义(P<0.05)。结论5-ALA-PDT治疗扁平疣安全、有效、复发率低,可望于临床的进一步应用和推广。
简介:摘要目的观察七氟醚全凭吸入麻醉应用于早产儿视网膜激光光凝术的可行性。方法限期住院早产儿视网膜病变患儿28例,矫正胎龄34~40周,患儿入室后,warm-touch加垫毯保温,调节七氟醚挥发罐刻度至6%,空氧混合气流量5L/分,以面罩吸入七氟醚,待患儿下颌松驰、呼吸明显减弱,呼末七氟醚浓度上至5%后行气管扦管,术中吸入3%~4%七氟醚维持麻醉,机控呼吸,术毕停七氟醚吸入,空氧混合流量增至5L/分。结果所有患儿均顺利完成手术;6分钟内所有患儿恢复体动及自主呼吸,13分钟内均拔除气管导管,送NICU。结论七氟醚全凭吸入麻醉应用于早产儿视网膜光凝手术中安全有效,且苏醒平稳迅速。