Personnel dose reduction in 90Y microspheres liver-directed radioembolization: from interventional radiology suite to patient ward

• DOI: 10.1259/bjr.20160591
• Publication Date: 2016-12-20T09:58:24Z
• Authors: Martin Law; K K Wong; W K Tso; Victor Lee; M Y Luk; C C Tong; Ferdinand Chu
• Keywords: Lead apron; Interventional radiology

To describe a method to reduce the external radiation exposure emitted from patient after liver-directed radioembolization using 90Y glass microspheres, quantitatively estimate occupational dose of medical personnel providing care radioembolized with use and discuss patients who are adjacent if needs hospitalization.A lead-lined blanket lead equivalence 0.5 mm was used cover abdomen immediately procedure, in order patient. The interventional radiologist rod-type puncture site compressor for haemostasis avoid direct contact possible residual radioactivity at site. Dose rates were measured chest hand positions during pressing without blanket. measurement results applied colleagues performing radioembolized. ward estimated hospitalized.The exposures have been significantly reduced place. radiologist, end would receive an average 1.95 μSv body under his own apron 0.30 microsphere 2.54 GBq. Other personnel, nurses porters, doses corresponding hour background radiation. If hospitalization common ward, keeping distance 2 m is by 0.42% limit general public.By placing on abdominal region radioembolization, hospital staff minimal comply protection "as low as reasonably achievable" principle. There will be no increase level hospitalized. Therefore, can accommodated alternatively corner bed isolation room private toilet facility not available. Advances knowledge: 90Y.