2018年迷走右锁骨动脉课件-文档资料.ppt
《2018年迷走右锁骨动脉课件-文档资料.ppt》由会员分享,可在线阅读,更多相关《2018年迷走右锁骨动脉课件-文档资料.ppt(21页珍藏版)》请在三一文库上搜索。
1、aortic arch 主动脉弓 brachiocephalic trunk 头臂干 common carotid artery 颈总动脉 subclavian 锁骨下的 ductus arteriosus 动脉导管 aberrant 异常的,迷乱的,Words,RSA:right subclavian artery ARSA: aberrant right subclavian artery,Corbacioglu Esmer A, Gul A, Nehir A, et al. Detection Rate of Trisomy 21 in Fetuses with Isolated and
2、 Non-Isolated Aberrant Right Subclavian Artery.J. Fetal Diagnosis & Therapy, 2013, 34(3):140-145.,Postnatally, ARSA has been found in about 3% of children and adults with congenital heart defects (CHD) and in 0.1% of the population without cardiac defect. The prevalence of ARSA has been identified b
3、y autopsy in 1-2% of normal individuals, whereas it has been found to be more common in cases of Down syndrome, with prevalences ranging from 2.9 to 100%.,Chao et al. reported for the first time the identification of ARSA in fetuses with Down syndrome. Since then, other prenatal studies have been ca
4、rried out, with a divergence of results. Although different research groups demonstrated a higher prevalence of ARSA in Down-syndrome fetuses at present the exact quantification of this phenomenon remains unclear.,Objectives,To estimate the prevalence of aberrant right subclavian artery (ARSA) in fe
5、tuses with Down syndrome. To assess the prevalence of ARSA in euploid fetuses, the feasibility of ultrasound evaluation of the right subclavian artery (RSA) in the first and second trimesters of pregnancy, the performance of ARSA in screeening for trisomy 21 and its association with other abnormalit
6、ies.,Methods,A systematic search of the literature from inception until July 2014 was performed in PubMed, EMBASE and MEDLINE to identify relevant articles. The search included the following medical subjects heading terms alone or in different combinations: Down syndrome, trisomy 21, ARSA, aberrant
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 2018 年迷走右 锁骨 动脉 课件 文档 资料
链接地址:https://www.31doc.com/p-1904227.html