Published online by Cambridge University Press: 03 August 2004
Vascular and Interventional Radiology, more succinctly known as Interventional Radiology (IR), is the subspecialty of Medical Imaging or Radiology that deals with diagnosis and treatment using minimally invasive procedures under imaging guidance. Initially, fluoroscopy was the only imaging modality available, but ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI) are also currently being used for guidance. One of the basic skills used by interventional radiologists is the Seldinger technique: the introduction of a needle into a body cavity or lumen allowing passage of a wire guide, which in turn facilitates the insertion of a tube or catheter. Many IR procedures have supplanted more invasive surgical techniques, with the resultant benefits of lower morbidity and mortality, shorter hospital stays and recovery times, and lower costs. Traditionally, obstetricians and interventional radiologists seldom interacted with one another, but their collaboration in patient care and research is increasing as obstetricians realise the value of IR, and as the myriad techniques and tools in the interventionalist's armamentarium expand and evolve.
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