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자료유형
학술저널
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저널정보
대한통증학회 The Korean Journal of Pain The Korean Journal of Pain 제32권 제4호
발행연도
2019.1
수록면
280 - 285 (6page)

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Background: Pulsed radiofrequency (PRF) is a treatment modality that alleviates radicular pain by intermittently applying high-frequency currents adjacent to the dorsal root ganglion. There has been no comparative study on analgesic effect according to the position of the needle tip in PRF treatment. The objective of this study is to evaluate the clinical outcomes of PRF according to the needle tip position. Methods: Patients were classified into 2 groups (group IP [group inside of pedicle] and group OP [group outside of pedicle]) based on needle tip position in the anteroposterior view of fluoroscopy. In the anteroposterior view, the needle tip was advanced medially further than the lateral aspect of the corresponding pedicle in group IP; however, in group OP, the needle tip was not advanced. The treatment outcomes and pain scores were evaluated at 4, 8, and 12 weeks after applying PRF. Results: At 4, 8, and 12 weeks, there were no significant differences between the successful response rate and numerical rating scale score ratio. Conclusions: The analgesic efficacy of PRF treatment did not differ with the needle tip position.

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