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  • Title: Surgical correction of patent ductus venosus in three brothers.
    Author: Ikeda S, Yamaguchi Y, Sera Y, Ohshiro H, Uchino S, Ogawa M.
    Journal: Dig Dis Sci; 1999 Mar; 44(3):582-9. PubMed ID: 10080154.
    Abstract:
    We report the presence of a patent ductus venosus in three brothers who underwent surgical correction. Patent ductus venosus was demonstrated by ultrasonography. Portosystemic venous shunt ratios as evaluated by [123I]iodoamphetamine per rectal portal scintigraphy were 67%, 50%, and 77%, respectively. Histologic examination of liver biopsy specimens revealed fatty degeneration in all cases. Portal vein pressure before and after temporarily occluding the patent ductus venosus was estimated by an Anthron P-U catheter introduced into the portal vein via the ligament teres hepatis. Portal venous pressure increased from 10 to 17 cm H2O, 16 to 23 cm H2O, and 14 to 27 cm H2O, respectively. Therefore, banding of the ductus venosus with Teflon tape was attempted to prevent portal hypertension following complete ligation. As a result, portal venous pressures after stricture of the ductus venosus were 12, 21, and 20 cm H2), respectively. Bile acid and liver enzymes decreased and returned to normal within 14 days after surgery. Interestingly, serum concentrations of hepatocyte growth factor (HGF) increased significantly after restoration of the portal blood flow and then gradually decreased, but remained persistently elevated for at least two weeks in two cases measured after surgical correction. One month after correction, liver function returned to normal as assessed by serological and histological parameters in all cases. These results suggest that it is important to determine whether stricture or complete ligation is indicated for a patent ductus venosus during surgical correction, based on the portal venous pressure after temporal test occlusion of the duct. In addition, HGF may be a useful marker for normalization of hepatic microcirculation after surgery.
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