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Effect of ultrasound-guided median nerve block on carpal tunnel syndrome / 临床麻醉学杂志
The Journal of Clinical Anesthesiology ; (12): 1082-1085, 2017.
Article in Chinese | WPRIM | ID: wpr-669282
ABSTRACT
Objective To observe the clinical effects of ultrasound-guided median nerve block on carpal tunnel syndrome.Methods A total of 40 patients (69 hands,aged 33-61 years,ASA Ⅰ or Ⅱ,were randomly assigned into ultrasound group (group U) and control group (group C),20 cases in each.The ultrasound group underwent ultrasound-guided median nerve blocking,while the control group did through by anatomic landmark palpation.3 ml of 4.5 mg bupivacaine,5 mg triamcinolone acetonide and 100 μg vitamin B12 was injected in a single shot in the two groups.Symptoms and functions were evaluated by Boston carpal tunnel questiormaire (BCTQ) at the onset and after the treatment.Electrophysiological parameters were recorded at the time of pretreatment and post-treatment.Cases receiving two or more and side effects were also recorded.Results Both the symptom severity scale (SSS) and funcational status scores(FSS) of the BCTQ showed significant decrease 1 month after treatment in the two group (P<0.05).Compared with group C,SSS of group U showed a significant decrease (P<0.05),while there was no significance difference in FSS.Compared with pretreatment,MDL,SDL3 showed a significant decrease and SNCV showed significant increase 1 month after treatment in the two group (P<0.05),while there was no significant change in the MNCV.SNCV was quicker in group U than in group C at 1 month after treatment (P<0.05),while other electrophysiological parameters were not significantly different between the two groups.Less cases with treatment times≥2 and less side effects were found in group U than in group C (P < 0.05).Conclusion Median nerve blocking under ultrasound guidance effectively improves the symptom in patients with carpal tunnel syndrome and reduces complications.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Practice guideline Language: Chinese Journal: The Journal of Clinical Anesthesiology Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Practice guideline Language: Chinese Journal: The Journal of Clinical Anesthesiology Year: 2017 Type: Article