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- W3100349852 abstract "Background: The condition of pulmonary vasculature is a key to determine the outcome of Fontan candidates. The previous reports described no significant growth of pulmonary arteries (PA) after having bi-directional Glenn shunt (BDG), which may influence peri- and post-operative management of Fontan procedure. Aim: We hypothesized the pulmonary vasodilators (PVDs) facilitate to grow small PA even after BDG in Fontan Candidates. Method: The twenty-one cases after BDG, whose PA index (Nakata index) were less than 140 mm 2 /m 2 , were enrolled. The enrolled cases were divided into two group: 15 with PVDs treatment ( PV+) and 6 without (PV-). PVDs used in this study were PDE5 inhibitor, Endothelin-receptor-blocker, oral prostacyclines , and their combination. In addition to measure the hemodynamic parameters ( mean PA pressure(mPAp), indexed pulmonary vascular resistance (Rp), Pulmonary flow (Qp) ), PA index and PA branch index ( a sum of cross-sectional area of first PA branches at both side indexed by body surface area) were measured and compared at the timing of after BDG and at after Fontan completion, respectively. Result: PA index and PA branch index after BDG of (PV+) and (PV-)were 104±33 vs 104±17 mm 2 /m 2 : 151±33 vs 194±45 mm 2 /m 2 . PA index in both groups after Fontan procedure was increased up to 153±42 vs 152±56 mm 2 /m 2 in same fashion, while PA branch index of (PV+) was significantly increased up to 199±60 than that of (PV-) 226±65 mm 2 /m 2 (% increase was 131% vs 116%). Rp and mPAp in both groups were not changed , while Qp in (PV+) was significantly more increased (140%) than that in (PV-)(107%). In conclusion, PVDs facilitates the growth of PA branches by increasing Qp, which brings a favor outcome of Fontan patients." @default.
- W3100349852 created "2020-11-23" @default.
- W3100349852 creator A5025750812 @default.
- W3100349852 date "2020-11-17" @default.
- W3100349852 modified "2023-10-18" @default.
- W3100349852 title "Abstract 15665: Can Pulmonary Vasodilators Grow Pulmonary Vasculature in Cases With Bidirectional Glenn for Fontan Candidates?" @default.
- W3100349852 doi "https://doi.org/10.1161/circ.142.suppl_3.15665" @default.
- W3100349852 hasPublicationYear "2020" @default.
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