the operative strategy adopted for the removal of these lesions are articulated in various points : the organization for a long-lasting procedure , the use of the operative microscope and bipolar coagulation , a wide surgical exposure , a particular care for dural feeders and a wide arachnoidal opening , the trial of hypotension , the early closure of deep feeders , the saving of draining veins for as long as possible , the dissection along the sulci and into the white matter , the saving of functional arteries and accessory veins , the techniques adopted against paraventricular bleeding and hemorrhage from venous sinusoids , the coagulation of deep vessels , a particular care for possible av fistulae under the main drainage , the `` '' backward '' '' technique , the `` '' rosary-like '' '' coagulation , a particular care for a possible division of the malformation into partitions .
C0184661
procedure
C0543467
surgical