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B Sitthinamsuwan K Chanvanitkulchai L Phonwijit S Nunta-Aree W Kumthornthip T Ploypetch 《Stereotactic and functional neurosurgery》2012,90(5):335-343
Background: The authors used selective peripheral neurotomy (SPN) on the sciatic and obturator nerves to restore the sitting posture and ambulation in bedridden patients suffering from severe proximal lower limb spasticity. Objective: To study the surgical outcome of sciatic and obturator neurotomies. Methods: All patients with refractory hamstring spasticity who encountered SPN on the hamstring nerve were recruited. Obturator neurotomy was undertaken in some individuals. The clinical assessment included Modified Ashworth Scale (MAS), passive range of motion (PROM), sitting competency and ambulatory condition. These parameters were compared between before and after the surgery by using the Wilcoxon signed-rank test. Results: Among the sciatic neurotomy group (n = 15), the mean pre- and postoperative MAS and PROM were 3.3 and 0.8 (p < 0.01) and 78.3 and 121.7° (p < 0.01), respectively. Those measurements of the obturator nerve surgery group (n = 11) were 3.7 and 1.1 (p < 0.01) as well as 21.0 and 45.0° (p < 0.01), respectively. Seven and 8 of a total of 9 patients had statistically significant improvement in sitting ability (p = 0.016) and ambulation status (p < 0.01), respectively. Conclusion: Bedridden patients who suffer from severe proximal lower limb spasticity have an optimum to return to sitting and ambulate with a wheelchair after SPN of the sciatic and obturator nerves. 相似文献
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Bunpot Sitthinamsuwan Kannachod Chanvanitkulchai Luckchai Phonwijit Teerada Ploypetch Witsanu Kumthornthip Sarun Nunta-aree 《Acta neurochirurgica》2013,155(6):1143-1149
Background
Selective tibial neurotomy (STN) is an effective neurosurgical intervention for treating ankle spasticity. The authors use intraoperative electromyography (EMG) for selecting targeted fascicles and determining the degree of fascicular resection in STN. This study reports surgical techniques and outcomes of the operation.Methods
Participants who underwent STN with utilization of intraoperative EMG were recruited. Modified Ashworth Scale (MAS), passive range of motion (PROM) of the ankle in plantar flexion and dorsiflexion, Massachusetts General Hospital Functional Ambulatory Classification (MGHFAC) and ability to attain full plantigrade stance were assessed pre- and postoperatively.Results
Twenty-one STNs were performed in 15 patients. The mean pre- and postoperative MAS and PROM were 2.8 and 0.4 (p?<?0.001), 39.5o and 66.0o (p?<?0.001), respectively. The mean level of MGHFAC was improved from 3.3 preoperatively to 4.9 postoperatively (p?<?0.01). Six non-ambulators had significant amelioration in MGHFAC level. Postoperatively, 19 of 21 lower limbs achieved full plantigrade, and 6 patients could perform selective voluntary motor control of the ankle.Conclusion
STN is an effective procedure for spastic ankle in well-selected cases. Intraoperative EMG helps in selection of targeted fascicles, increases objectivity in neurotomy and prevents excessive denervation. 相似文献
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