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多层螺旋CT血管成像在大面积穿支皮瓣游离移植术中的应用研究 被引量:2

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摘要 目的探讨多层螺旋CT血管成像(MSCTA)在穿支皮瓣移植术前应用的临床效果。方法选取38例行旋股外侧动脉降支穿支皮瓣游离移植患者,按随机数字表法分为A、B两组,A组19例术前行MSCTA检查,B组19例术前对股前外侧区旋股外侧动脉降支穿支动静脉进行彩色多普勒超声(CDS)检查,均标记以大致确定穿支血管出现的位置及口径作为术中参考作用。从供皮部位、大小、术中血管较术前差异、皮瓣存活率和术后供区及皮瓣情况等方面对两种检查方式进行对比。结果MSCTA组的19支穿支血管的外径与术中测量结果比较差异无统计学意义(P〉0.05),穿支类型与术中发现一致。术中改变供区位置和供区发病率,再次手术率两组间差异无统计学意义(P〉0.05)。彩色多普勒组共发现皮瓣范围内穿支血管20支,经术中证实准确率为100%。术中见穿支血管走行方向与术前彩超检测方向基本一致。术后随访6~12个月,所有患者均可见皮瓣外形、色泽、质地良好,出汗情况以及感觉恢复情况均可。结论彩色多普勒检测穿支血管都能在结果中显示并作出精确的体表定位。CTA其优点在于能够精确地预先判断穿支血管的位置、管径以及走行,但造影剂、辐射量及费用等问题导致这一项辅助检查无法实现大范围、大规模地使用。
出处 《中国医师杂志》 CAS 2016年第6期902-904,共3页 Journal of Chinese Physician
基金 2013湖南省科技计划项目-2013应用基础研究计划
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