医学
骨脱钙
心脏病学
二尖瓣置换术
内科学
支架
二尖瓣
放射科
牙科
作者
Daijiro Hori,Yohei Nomura,Yoshinori Taniguchi,Koichi Yuri,Makiko Mieno,Naoyuki Kimura,Atsushi Yamaguchi
摘要
The purpose of this study was to evaluate the changes in mitral annular motion after surgery in patients with aortic stenosis.Patients receiving Edwards (Edwards) valves were included in the study. Echocardiographic findings were compared among the three treatments postoperatively, at discharge, and at 1 year after the surgery. Mitral annular motion was evaluated by e prime, using tissue doppler imaging.There were 111 patients receiving Inspiris, 30 patients receiving Intuity and 241 patients receiving Sapien 3. The patients receiving Sapien 3 were significantly older, (Inspiris: 71 ± 6.7 years vs. Intuity: 75 ± 5.2 years vs. Sapien 3: 84 ± 5.1 years, p < .001), and prevalence of hemodialysis were significantly higher in patients receiving Intuity (Inspiris: 11.7% vs. Intuity: 46.7% vs. Sapien 3: 0.0%, p < .001). There was a significant improvement in mean pressure gradient in all groups (Inspiris: 55 ± 21.2-13 ± 5.2 mmHg, p < .001; Intuity: 48 ± 17.6-12 ± 4.9 mmHg, p < .001, Sapien 3: 55 ± 16.6-14 ± 5.2 mmHg, p < .001). Decalcification was associated with increase in e prime after surgery (no decalcification: 0.10 ± 1.280 cm/s vs. decalcification: 0.68 ± 1.405 cm/s, p < .001) Further, existence of stent was associated with less increase in e prime after surgery (no stent: 0.83 ± 1.210 cm/s vs. stent: 0.10 ± 1.356; p < .001). Multivariate analysis showed that existence of stent but not decalcification of the aortic valve was independently associated with changes in e prime after surgery (β: -.4679, 95% confidence interval: -0.93389 to -0.00200, p = .049).Although improvement in pressure gradient was achieved in all treatments, existence of stent inhibited mitral annular motion after surgery.
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