| 释义 |
DictionarySeehemodialysisEncyclopediaSeeHemodialysisvascular access
access [ak´ses] a means of approaching something.arteriovenous access the usual type of access" >vascular access, connecting an artery and a vein, usually in the arm.hemodialysis access (vascular access) the means by which hemodialysis" >hemodialysis apparatus is connected to blood vessels; the most common type is access" >arteriovenous access. Other types include access" >venovenous access and types of fistulas and shunts.venovenous access access" >vascular access via a tube that begins at a vein and ends at a vein, used in hemodialysis and hemofiltration" >continuous venovenous hemofiltration.vascular access Clinical medicine The ability to enter the vascular system; the ease with which the vascular system can be entered for administering therapy or obtaining blood for testingvascular accessA portal of entry into the circulation, e.g., by a dialysis catheter. See: table| Intraosseously (through the cortex of a bone, esp. a bone in the leg) | | Intravenously (peripherally or centrally) | | Via surgically implanted ports (e.g., for the frequent or long-term administration of antibiotics, blood products, or cancer chemotherapy.) | | By venous cutdown |
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