A philips field service engineer went onsite on the (b)(6) 2017.The fse confirmed that all tests performed on the (b)(6) 2017 (latest service event on the system) showed that the system was working within specification.The fse checked and performed testing on the system again on the (b)(6) 2017, and no problem was found.The system was working within specification and no correction was needed.A philips system designer analyzed the information received.Through the dose report it was confirmed that patient received a dose of 11,5 gy during a long examination (2,5 hours) with a total of 118 cine runs and almost 45 minutes of fluoroscopy.This high dose is considered to be the cause of the patient burn since the stand position was hardly changed during the whole procedure and all radiation entered the skin at the same spot.The average object thickness was 37 cm which requires high power to produce acceptable images, but will also lead to a higher dose.There is no indication in the log files of any malfunctioning of the system that could have contributed to the total air kerma received by the patient.The total air kerma received by the patient is as expected considering the setting chosen by the customer and the complexity of the procedure.Since there is no system malfunction no further action will be taken in this matter.
|