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Application of Lidocaine Combined with Epinephrine in Carpal Tunnel Release Surgery with WALANT |
YE Ming, ZHAO Qiao-yan |
Department of Orthopedics, Jiangsu Provincial People's Hospital,Nanjing 210000 China |
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Abstract 【Objective】 To explore the value of lidocaine combined with epinephrine in carpal tunnel Release surgery with wide awake local anesthesia no tourniquet (WALANT). 【Methods】A total of 100 patients with carpal tunnel syndrome treated in our hospital from January, 2018 to January, 2021 were selected as research objects, and they were randomly divided into the observation group and the control group according to random number table method, with 50 cases in each group. The observation group received WALANT anesthesia with lidocaine combined with epinephrine, while the control group received brachial plexus block anesthesia with lidocaine alone. The operation time, blood loss, anesthesia onset time, anesthesia duration, lidocaine dosage and wrist function recovery time were recorded and compared between the two groups. We also compared Ramsay sedation (RSS) and pain visual analogue scale (VAS) scores before surgery (T0), at the end of (T1) and 30 min after (T2) operation between the two groups, The results of postoperative electromyography, excellent and good rate of carpal tunnel function recovery and complication rate were compared between the two groups. 【Results】The lidocaine dosage in the observation group was significantly less than those in the control group, and the anesthesia duration was significantly shorter than that in the control group, both with statistical significance (P<0.05).RSS and VAS scores at T1 were significantly higher than those at T0 and T2, and the difference was statistically significant (P<0.05).The electromyography parameters such as MCV(motor conduction velocity), DML, CMAP (compound muscle action potential), SCV (sensory conduction velocity), ML and SNAP (sensory nerve Action potential) of sensory nerve were compared between the two groups, and none of them showed significant difference (P>0.05).The excellent and good rates of carpal tunnel function recovery in the two groups were 84.00% and 74.00%, respectively, with no significant difference (P>0.05).The total incidence of postoperative complications in the observation group was 12.00%, which was no significantly difference with the control group (16.00%, P>0.05). 【Conclusion】Lidocaine combined with epinephrine is of high value in WALANT anesthesia for carpal tunnel loosening surgery.
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Received: 27 July 2021
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