先天性心臟病封堵治療基礎(chǔ)超聲影像(編輯修改稿)
2024-08-14 09:20 本頁面
【文章內(nèi)容簡介】 g a venacontracta phenomenon (2B), and the jet width of mm was measured at the point (arrow) of the venacontracta in this case, which was an alternative to direct 2DE measurement 2022/8/15 LL CHEN MD PhD FACC 33 準(zhǔn)確測量 PDA大小及合適選擇封堵器 ? The measurements of SDD and MDD in 60 patients with a first or a second successful occlusion were 177。 () and 177。 (), respectively (P?). ? And there was highly linear relationship (SDD = , r=, SEE=, P?) between SDD and MDD y = R2 = 02468101214161820 MDD(mm)SDD(mm)2022/8/15 LL CHEN MD PhD FACC 34 封堵器定位、形態(tài)判斷、占位效應(yīng) Figure 3. During the procedure, when the retention disk was deployed, 2DE could clearly revealed the extended disk against the duct ampulla (3A)。 and further withdraw the delivery sheath was indicated to deploy the conical segment of the device (3B)。 a properly positioning occluder usually showed an Ishaped appearance with the retention disk closely against the ampulla (3C) 。 there were not any ADO protrusion into the left pulmonary artery(3D) 2022/8/15 LL CHEN MD PhD FACC 35 封堵器定位、形態(tài)判斷、占位效應(yīng) Figure 4 On a modified supersternal long axis view of the aorta arch with the probe tilted leftward, a wellpositioning ADO (arrow) was clearly seen with mild occupation of the left pulmonary artery in 2DE image (4A), and CDFI demonstrated local flow turbulence (4B), indicating ADOproduced mild stenosis of the left pulmonary artery. On a supersternal long axis view of the aorta arch, an ADO (arrow) was clearly seen with moderate occupation of the descending aorta in 2DE image (4C), and CDFI demonstrated loca
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