title: Removal of a knotted flow-directed catheter by a nonsurgical method.
mesh_terms: D006328:Cardiac Catheterization / Q000009:adverse effects* / Q000295:instrumentation; D005547:Foreign Bodies; D006321:Heart; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic / Q000295:instrumentation