Over the years, interventional radiology has developed many effective and less invasive procedures. As the number and types of interven tions increase, radiologists are becoming more and more involved in clinical patient care. This includes pre-interventional patient workup, sophisticated medical therapy and monitoring during interventions, regular inpatient rounds and complete follow-up management. Therefore interventional radiologists are faced with a broad spectrum of clinical and pharmacological questions. Adjunctive medical therapy should increase the patient's comfort, should improve...