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  • Title: Use of 65 cm large caliber Dryseal sheaths to facilitate delivery of the Edwards SAPIEN valve to dysfunctional right ventricular outflow tracts.
    Author: Kenny D, Morgan GJ, Murphy M, AlAlwi K, Giugno L, Zablah J, Carminati M, Walsh K.
    Journal: Catheter Cardiovasc Interv; 2019 Sep 01; 94(3):409-413. PubMed ID: 31408262.
    Abstract:
    BACKGROUND: The Edwards SAPIEN valve and its delivery system may complicate transit through the right heart during transcatheter pulmonary valve replacement (tPVR). We report our early experience using a large diameter, 65 cm delivery sheath to facilitate delivery of the SAPIEN valve to the right ventricular outflow tract (RVOT). METHODS: Retrospective analysis of all patients from three large congenital heart centers undergoing tPVR with the Edwards SAPIEN valve delivered with the 65 cm Gore Dryseal Sheath. RESULTS: Over a 12 month period, 30 patients (17 female) with median age 17.5 years (range 8-72) underwent attempted tPVR with the SAPIEN valve delivered using the 65 cm Dryseal sheath (20-26Fr). All procedures resulted in successful valve delivery to the target area. Twenty patients had a native RVOT. The most commonly used valve diameter was 29 mm (n = 15) with the majority of cases requiring a 26Fr Dryseal sheath (n = 20). One patient with severe RVOT stenosis underwent prestenting. Median procedure time was 100 min (59-225). No patient had increase in tricuspid valve regurgitation as a consequence of valve delivery. One patient required a synchronous cardioversion for intraprocedural VT and another required ECMO postprocedure due to severe pre-existing left ventricular dysfunction. On median follow-up of 5 months, all patients had mild or less pulmonary regurgitation. Median peak Doppler velocity across the pulmonary valve was 2.2 m/s (1.7-4). There were no clinically relevant complications relating to vascular access. CONCLUSIONS: Using 65 cm Dryseal sheaths facilitates delivery of SAPIEN valves in patients with dysfunctional RVOTs.
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