Neurology / / August 12, 2017
operations on the nervous system
Cerebral angiography is the introduction of contrast medium in the cerebral vessels of the brain of the patient in order to make them visible on X-rays.Cerebral angiography should be made directly to the X-ray room, X-ray table (or in the X-operating, if there is one in the hospital).This procedure requires the coordinated work of the entire team consisting of a surgeon, scrub nurse, radiologist, laboratory assistant, anesthetist and anesthetic sisters, orderlies.For in a short time (about 6) multiple angiograms, reflecting the arterial, capillary and venous blood flow phase, use special X-ray set-top boxes to quickly change cartridges.Currently, there are special angiographic devices, allowing for a short time, until the contrast medium circulates in the blood vessels of the brain, to make a sufficient number of snapshots.
There are different methods of cerebral (brain) angiography.If the contrast agent is introduced into the common carotid artery in the neck, the
In clinical practice, the most frequently used carotid angiography.It is usually carried out by percutaneous puncture of the common carotid artery in the neck.Only if you can not punctured artery resorted to expose the carotid artery and its subsequent puncture with the introduction of a contrast agent.Needle puncture carotid artery has a length of about 10 cm, the clearance 1 - 1.5 mm, slice 45 °.By the attached needle stylet, which tightly closes its gap, but introduced effortlessly.The end of the mandrel is rounded, so as not to injure the inner shell of the carotid artery.Free sliding mandrel in the needle is very important to clearly and quickly perform angiography.On the pavilion angiographic needle has a "lock" for a tight connection hose transition.The same "lock" is located at the end of the hose, fixed to the syringe.Due to the dense fixation of the needle, the syringe and the hose does not come off the parts during injection of contrast agent into an artery.Transient hose required for movement of a syringe into the hands of the surgeon are not transferred directly to a needle located in the lumen of the vessel, and have displaced it.
12 Aug, 2017
12 Aug, 2017