Vascular Access Procedures – Benefits, Risk and Limitations
The Vascular Access Procedures are used in interventional radiology for giving intravenous access for a considerable time. The method involves insertion of catheter or plastic tube into blood vessel. It is done for delivering nutrients, drugs into the blood stream of patients for a period of week or months. The vascular procedures are performed when patients need intravenous treatment, anti-cancer drugs, frequent drawing of blood samples, hem dialysis, blood transfusions.
It is important to prepare for this procedure before a patient under go with this way of treatment. Very first, blood may be tested to determine if your liver and kidneys are functioning and whether blood clots normally. One should report to the doctor about his previous medication or if any kind of allergy with anesthetic drug.
To perform this procedure radiologist use X-ray or ultrasound, catheter, and venous needle. The instrument used in this examination is consist of radiographic table; an x-ray tube and a television-like monitor are used for viewing images of the patient who lied on table.
After the completion of procedure interventional radiologist will check and confirm if the catheter is correctly positioned. Doctors will check for functioning of the device by injecting fluid or nutrient through catheter.
Instead of many benefits of this technique has certain limitation, some time catheter requires replacement because of poor functioning or improper placement, however usually it won’t happens. In some cases patient have very poor veins that do not suits for catheter placement.