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- W2364791607 abstract "【Objective】 To evaluated the usefulness of ultrasound in identifying the sciatic nerve in the lower extremity and in guiding needle advancement to target before nerve stimulation.【Methods】In this observational study,11 patients with chronic hemiplegia and severe spasticity underwent sciatic nerve examination using a curved ultrasound probe in the 5 MHz.Thereafter,an insulated block needle was advanced under direct ultrasound guidance to reach the target nerve,which was further confirmed by electrical stimulation.The patients performed by injecting 1% lidocaine(8～10 ml) into the sciatic nerve.The quality of sciatic nerve images,ease of needle to nerve contact,threshold stimulating current were recorded.The knee flexor spasticity were scored clinically and were assessed before and after block of the sciatic nerve.【Results】The sciatic nerve was successfully identified on ultrasound.The target nerve was easily visualized by ultrasound in 100% of the patients.The success rate of puncture for one time was 72.72% and eliciting motor contractions with a threshold current occured at(0.27±0.1)mA.All patients had improvement of knee flexor spasticity after the injection.【Conclusions】These preliminary data show that a 5 MHz ultrasound probe provides good quality sciatic nerve imaging in the location.Ultrasound-assisted sciatic nerve localization is potentially valuable for clinical sciatic nerve blocks." @default.
- W2364791607 created "2016-06-24" @default.
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- W2364791607 date "2008-01-01" @default.
- W2364791607 modified "2023-09-23" @default.
- W2364791607 title "Ultrasound examination and localization of the sciatic nerve" @default.
- W2364791607 hasPublicationYear "2008" @default.
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