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  • Title: Transcatheter occlusion of patent ductus arteriosus in adults.
    Author: Schenck MH, O'Laughlin MP, Rokey R, Ludomirsky A, Mullins CE.
    Journal: Am J Cardiol; 1993 Sep 01; 72(7):591-5. PubMed ID: 8362776.
    Abstract:
    This study examines whether transcatheter closure of a patent ductus arteriosus (PDA) using a Rashkind PDA occluder device is safe and effective in adults, or if adults have complications not sited in children owing to prolonged aorticopulmonary communication, high surgical risks or calcified PDAs. Fifteen patients aged 22 to 76 years (mean 42 +/- 14) were referred for transcatheter PDA occlusion. Exercise intolerance was the most frequent clinical manifestation. Eleven of 15 patients had surgical risk factors that included left ventricular failure (n = 10), biventricular failure (n = 1), elevated pulmonary pressures (n = 1), and a calcified PDA (n = 5). Twelve millimeter devices were placed in 4 PDAs < or = 3 mm in diameter; 17 mm devices were placed in 11 PDAs 3 to 6 mm in diameter. Seven (47%) were occluded angiographically shortly after device placement; another 5 PDAs (33%) were occluded echocardiographically within 24 hours of the procedure. Completed occlusion in this time interval was more likely to occur in PDAs < 5 mm in diameter (p = 0.0009). Of the 3 remaining PDAs with follow-up ranging from 9 to 38 months, 2 have demonstrated gradual diminution of shunting and have trivial leaks by color/Doppler flow. The other patient with a residual PDA has no ductal flow after placement of a second device. No complications related to device implantation or closure of the PDA occurred in any patient. No complications were reported in the follow-up patients who received evaluation (14 of 15 patients; range 1 to 38 months).(ABSTRACT TRUNCATED AT 250 WORDS)
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