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多层螺旋CT肺容积测定与肺功能的相关性研究 被引量:1

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摘要 目的探讨多层螺旋CT肺容积评估的价值,并分析其与肺功能试验(PFT)指标的关系。方法对照组35例,肺气肿组30例,均在1周内完成PFT及CT检查。采用多层螺旋CT(MSCT)于最大吸气末和最大呼气末分别扫描全肺,用Siemens Pulmo肺定量软件测定全肺容积。结果MSCT肺容积指标中,最大吸气末容积(Vin)与PFT的肺总量(TLC)(r=0.912,P<0.01)、最大呼气末容积(Vex)与残气量(RV)(r=0.905,P<0.01)的相关性最好,容积差(Vin-Vex)与用力肺活量(FVC)(r=0.754,P<0.01)容积比(Vin/Vex)与残气量与肺总量比(RV/TLC)(r=0.628,P<0.01)也存在着较好的相关性。结论MSCT肺容积指标与PFT指标有很好的相关性,可用于肺功能状况的评估。
出处 《河北医药》 CAS 2008年第7期961-962,共2页 Hebei Medical Journal
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