Decreasing operators' radiation exposure during coronary procedures: the transradial radiation protection board
Miles Behan1, Peter Haworth, Paul Colley
1Brighton and Sussex University Hospitals NHS Trust, Brighton, United Kingdom. milesbehan@hotmail.com
Insights
A transradial radiation protection board (TRPB) significantly reduces operator radiation exposure during transradial coronary procedures. This device offers a safe method to lower radiation doses for interventional cardiologists.
Area of Science:
- Interventional Cardiology
- Radiation Safety
- Medical Device Technology
Background:
- Transradial coronary procedures offer advantages over the femoral approach, including fewer vascular access site complications.
- Increased operator radiation exposure is a concern with the transradial route.
- Effective radiation protection strategies are crucial for interventional cardiologists.
Purpose of the Study:
- To investigate the efficacy of a novel transradial radiation protection board (TRPB) in reducing operator radiation dose.
- To assess the impact of the TRPB on radiation exposure during coronary procedures performed via the radial artery.
Main Methods:
- A randomized controlled trial involving 106 patients undergoing radial coronary procedures.
- The study compared procedures performed with and without a TRPB, a lead-shielded arm board.
- Operator radiation exposure was measured using electronic personal dosimeters.
Main Results:
- The TRPB group demonstrated a statistically significant reduction in operator radiation exposure (28 [18-65] microSV vs. 19.5 [10.5-35] microSV, P = 0.003).
- No significant differences were observed in procedure duration, total fluoroscopy time, or contrast load between the groups.
- The TRPB was used in conjunction with standard radiation shielding protocols.
Conclusions:
- The transradial radiation protection board (TRPB) is an effective tool for significantly lowering radiation exposure to operators during transradial coronary procedures.
- Implementing the TRPB represents an important advancement in protecting interventional cardiologists from radiation.
- The TRPB enhances safety without negatively impacting procedural efficiency or outcomes.
Aim:
Transradial coronary procedures are associated with decreased vascular access site complications and other benefits compared to the femoral approach. There is some concern however about high-recorded radiation doses for interventional cardiologists using the transradial route. We therefore designed and investigated the effect of a transradial radiation protection board (TRPB) on operator radiation exposure during coronary procedures.
Methods And Results:
One hundred and six patients were randomly assigned by time period to undergo radial coronary procedures either with or without a TRPB. This is a grooved arm board with a detachable 0.5-mm lead equivalent shield designed to rest between the patient's arm and side. Individual case-specific radiation exposures were measured using electronic personal dosimeter worn on the left outer pocket of the lead apron at chest level. The TRPB was used in addition to standard lead apron and thyroid shielding, below-table leaded flaps, and leaded glass. Operator radiation exposure was significantly decreased in the TRPB group overall: 28 [18-65] microSV versus 19.5 [10.5-35] microSV, P = 0.003. There were no significant differences in procedure duration, total fluoroscopy dose, or contrast load between the two groups. conclusion: Identification of methods to reduce operator radiation dose is important. The use of the TRPB can significantly reduce radiation exposure to radial operators.
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