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目的探讨大动脉炎(TA)肺动脉受累患者右心功能的变化特点。方法应用2010版美国超声心动图学会成人右心指南推荐的右心功能指标,评价TA肺动脉受累患者的右心功能。结果与正常对照组比较,31例TA患者的右室基底径(RVD)、右房短径(RAS)、右房长径(RAL)、右室壁厚度(RVT)及右室做功指数(RIMP)均增大,右室面积变化分数(RVFAC)、三尖瓣环收缩期位移(TAPSE)、三尖瓣环收缩期峰值速度(S′)均减低。11例一侧肺动脉主干闭塞的患者中,6例出现右心功能指标减低,5例右心功能指标正常。结论 TA肺动脉受累可导致右心功能不全。部分肺血管病变严重的患者右心功能仍可保持正常。
Objective To investigate the changes of right heart function in patients with aortic arterial inflammation (TA) pulmonary involvement. Methods The right heart function indexes recommended by the American Society for Echocardiography 2010 Right Heart Guide were used to evaluate the right heart function in patients with TA pulmonary artery involvement. Results Compared with the normal control group, the RVD, RAS, RAL, RVT and RIMP in 31 patients with TA were significantly higher than those in control group (RVFAC), tricuspid annulus systolic displacement (TAPSE) and tricuspid annulus systolic peak velocity (S ’) decreased. Of the 11 patients with pulmonary artery occlusion on the one side, 6 showed a decrease in right cardiac function and 5 had normal right cardiac function. Conclusions TA pulmonary involvement can lead to right ventricular dysfunction. Some patients with severe pulmonary vascular disease can still maintain normal right heart function.