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find Keyword "annual dilation rate of ascending aorta" 1 results
  • Changes of ascending aortic diameter after transcatheter aortic valve replacement

    ObjectiveTo evaluate the changes of ascending aortic (AA) diameter after transcatheter aortic valve replacement (TAVR), and evaluate the safety and efficacy of TAVR in patients with AA dilation. MethodsWe retrospectively included 87 patients who underwent TAVR at our center from 2016 to 2019. These patients were divided into 2 groups based on the preoperative AA diameter. There were 17 patients in the AA diameter≥45 mm group (including 10 males, aged 74.4±5.6 years), and 70 patients in the AA diameter<45 mm group (including 39 males, aged 75.9±7.0 years). Results The baseline variables were similar between two groups (P>0.05). The overall device success rate was 97.7% (85/87). The median computed tomography (CT) follow-up time was 24.2±11.8 months in patients with AA diameter≥45 mm and 23.0±10.7 months in patients with AA diameter<45 mm, and the median annual dilation rate of AA were 0.36 mm/year and 0.00 mm/year, respectively. No statistical significance was observed between two groups (P>0.05). No adverse aortic events occurred during the follow-up period. ConclusionTAVR is safe and effective in patients with preoperative AA diameter≥45 mm, and the AA diameter remains stable after the procedure. Patients with preoperative AA diameter≥45 mm and AA diameter<45 mm have similar annual dilation rates.

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