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-  2017 

引导鞘管在径向超声引导肺外周病灶诊断中的价值

DOI: doi:10.7507/1671-6205.201610037

Keywords: 支气管内径向超声, 肺外周结节, 引导鞘管

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Abstract:

目的 评价引导鞘管(guide sheath,GS)在非 X 线下支气管内径向超声引导经支气管肺活检(EBUS-TBLB)中对肺外周病灶的诊断价值。 方法 回顾性分析 2012 年 7 月至 2015 年 6 月在北京大学第一医院行胸部 CT 检查发现肺外周病灶,并在支气管内径向超声引导下行经支气管肺活检的患者。根据活检操作,将患者分为 GS 组、非 GS 组、双活检组,对比分析三组的诊断率情况。 结果 入选 118 例患者,共 126 个肺外周病灶,总诊断率为 60.3%(76/126)。GS 组、非 GS 组、双活检组诊断率分别为 65.4%(36/55)、61.5%(8/13)、59.6%(31/52),差异均无统计学意义( χ 2=0.394, P=0.821)。GS 组、非 GS 组、双活检组在病灶≤20 mm 诊断率分别为 66.7%(18/27)、0.0%(0/3)、78.6%(11/14),非 GS 组诊断率明显低于其他二组,差异有统计学意义( χ 2=6.8, P=0.033);病灶>20 mm 诊断率分别为 64.3%(18/28)、80.0%(8/10)、54.1%(20/37),三组间差异无统计学意义( χ 2=2.301, P=0.301)。 结论 EBUS-TBLB 中使用 GS 在≤20 mm 的肺外周病灶中能明显提高诊断率,>20 mm 的病灶中不能提高诊断率,GS 活检后更换普通活检钳重复活检不能进一步提高诊断率

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