title: Ventriculoatrial shunt blockage by previous positive contrast ventriculography.
mesh_terms: D014695:Cerebral Ventriculography / Q000009:adverse effects*; D002557:Cerebrospinal Fluid Shunts; D002648:Child; D002675:Child, Preschool; D003287:Contrast Media / Q000009:adverse effects*; D005260:Female; D006801:Humans; D006849:Hydrocephalus / Q000601:surgery; D007427:Intracranial Pressure; D007459:Iodized Oil / Q000009:adverse effects; D008297:Male; D011183:Postoperative Complications
chemical_list: D003287:Contrast Media; D007459:Iodized Oil