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Lower radiation risks, cost benefits seen with mini C-arm for foot and ankle surgery

Dawe EJC. Foot Ankle Surg. 2011. doi:10.1016/j.fas.2010.01.001

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A prospective study conducted by investigators from Worthing and Southlands Hospitals in the United Kingdom shows cost savings and a significant reduction in radiation risk using a mini C-arm compared with standard fluoroscopy during intra-operative screening for patients undergoing elective foot and ankle procedures.

Using dose area product (DAP) to compare the radiation from the methods, Edward J.C. Dawe, MBBS, MRCS, and colleagues studied 55 patients who were screened using a mini C-arm and 72 patients who underwent fluoroscopy during foot and ankle surgery.

In addition to discovering a statistically significant reduction in the mean DAP in the mini C-arm group vs. the fluoroscopy group, the investigators found no significant difference in screening times between the groups. The investigators also noted an annual cost saving using the mini C-arm, which they estimated would make up for the purchase of the device over 5 years.

“We recommend its regular use in foot and ankle surgery,” the investigators wrote.