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논문 기본 정보

자료유형
학술저널
저자정보
Qing Yue (Bloomsburg University of Pennsylvania) Tyson Hale (Geisinger Health System) Aaron Knecht (Geisinger Health System)
저널정보
대한척추외과학회 Asian Spine Journal Asian Spine Journal Vol.11 No.1
발행연도
2017.1
수록면
99 - 104 (6page)

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Study Design: Prospective cohort study. Purpose: This study was to investigate interside asymmetries of three lower extremity somatosensory evoked potentials (SSEPs) in anesthetized patients with unilateral lumbosacral radiculopathy. Overview of Literature: Although interside asymmetry is an established criterion of abnormal SSEP, little is known which of the lower SSEPs is more sensitive in detecting interside asymmetry in anesthetized patients. Methods: Superficial peroneal nerve SSEP (SPN-SSEP), posterior tibial nerve SSEP (PTN-SSEP), and sural nerve SSEP were obtained in 31 lumbosacral surgery patients with unilateral lumbosacral radiculopathy, and compared with a group of 22 control subjects. Results: The lumbosacral group showed significant larger interside asymmetry ratios of P37 latencies in SPN-SSEP and PTN-SSEP, and significant larger interside asymmetry ratio of P37-N45 amplitude in SPN-SSEP, when comparing with the control group. Within the lumbosacral group but not the control group, SPN-SSEP displayed significant larger interside asymmetry ratio in P37 latency. When referencing to the control group, more patients in the lumbosacral group displayed abnormal interside SPN-SSEP latency asymmetries which corroborated the symptom laterality. Conclusions: The data suggested that SPN-SSEP was more sensitive in detecting interside latency asymmetry in anesthetized patients.

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