目的探讨先天性肺静脉狭窄的彩色多普勒超声心动图诊断价值。
Objective To evaluate the diagnosis value for congenital pulmonary vein stenosis by the colour Doppler echocardiogram.
并且,较其他能源相比,冰冻能量的肺静脉狭窄、房室食管瘘、血栓形成的发生率低甚至不发生。
Furthermore, cryothermal energy may have advantages over other energy sources since the risk for PV stenosis, atrio-esophageal fistulae, and thrombus formation is low or even absent.
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