Hemophilia A and factor VIII deficiency. Hemophilia A is the most common form of hemophilia, occurring in about 1 in every 10,000 males. People with hemophilia A, also called classic hemophilia, have a deficiency in clotting factor VIII, meaning that clotting factor VIII is either missing or is present at a low level.eople with hemophilia A, also called classic hemophilia, have a deficiency in clotting factor VIII, meaning that clotting factor VIII is either missing or is present at a low level.
Findings of recent clinical studies (3â6) have shown that CT fluoroscopy is a safe and effective guidance tool for percutaneous interventional procedures in the chest, spine, abdomen, and pelvis. With this technology, procedures are performed more quickly than with traditional CT (7).
What is Interventional Radiology? Pediatric interventional radiology (IR) is a medical field that specializes in minimally invasive diagnostic or therapeutic procedures using imaging guidance, in children. IR doctors guide small needles, catheters and other small medical equipment into the body through tiny incisions in the skin. These instruments are manipulated within in the body by the radiology doctors, who guide the instruments by seeing into the body, using X-ray, CT scan, ultrasound or MRI.