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- W2088142380 abstract "We examined cardiac catheterization (cath) data of 104 children with VSD and left to right shunt, with 1st cath in the 1st year and a later cath without intervening surgery. 19% had pulmonic stenosis (PS) initially. Of the remaining 84, 20% later developed PS, leaving 67. 12% of the 67 VSD's were small, with right ventricular systolic pressure/left ventricular systolic pressure (RVSP/LVSP)≤ .39, 27% were ½ systemic (RVSP/LVSP .40-.60), 29% were 2/3 systemic (RVSP/LVSP .61-.74) and 32% were nonrestrictive (NR) (RVSP/LVSP .75-1.0). For the 67 without PS, pulmonary artery (PA) systolic pressure fell or was unchanged on later cath in 100%, 89%, 83%, S 57% of the small, “2 systemic, 2/3 systemic and NR groups respectively. Mean PA pressure fell or was unchanged in 100%, 89%, 80%, & 39% respectively. RVSP/LVSP fell more than .10 in 50%, 78%, 83%, & 52% respectively. Thus the defect got smaller in 40/67 for all groups. Pulmonary vascular resistance (PVR) increased in 7/67, and these 7 were all in the 2/3 systemic or NR groups. 41 of the 104 patients had 2 caths in the first year. 28/41 never had PS, and of these 28, 14 were NR and 10 were 2/3 systemic. Of the 14 NR, 7 got smaller and 3 of the other 7 increased PVR. Of the 10 in the 2/3 systemic group, 8 became smaller and 2 increased PVR. We conclude that for patients with 2/3 systemic or NR VSD's, it is much more common for the defect to get smaller than for the PVR to increase." @default.
- W2088142380 created "2016-06-24" @default.
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- W2088142380 date "1985-04-01" @default.
- W2088142380 modified "2023-09-27" @default.
- W2088142380 title "148 NATURAL HISTORY OF VENTRICULAR SEPTAL DEFECTS (VSD)" @default.
- W2088142380 doi "https://doi.org/10.1203/00006450-198504000-00178" @default.
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