JAAD:连续3430例不同浓度利多卡因肿胀局麻吸脂效果观察

2021-09-16 医路坦克 MedSci原创

抽脂术是全世界最常见的整形外科手术之一。肿胀局部麻醉(TLA)技术的引入使手术过程发生了革命性的变化,使用400 mg/L的利多卡因生理盐水对大部分身体区域提供足够的麻醉.

抽脂术是全世界最常见的整形外科手术之一。在20世纪70年代引入吸脂手术后,肿胀局部麻醉(TLA)技术的引入使手术过程发生了革命性的变化,麻醉形式是将麻醉剂的盐水溶液(通常是利多卡因和肾上腺素联合)注入目标皮下区域,直到达到肿胀状态。通过输注相对少量的含有高浓度利多卡因的溶液可以获得理想的麻醉,但这并不能提供获得“超级肿胀”所带来的好处。超级肿胀被定义为在完成向深、中、浅真皮下平面缓慢注入大量肿胀溶液后持续至少30分钟的肿胀状态。与TLA相关的主要问题是利多卡因的潜在毒性。

研究证明了使用TLA时利多卡因中毒的风险是最小的。然而,与患者体重相关的利多卡因渗透量以及药物对利多卡因代谢的干扰会影响利多卡因血清水平,从而增加利多卡因中毒的风险。该研究试图确定在仅使用TLA的吸脂术患者中提供充分麻醉所需的肿胀溶液中利多卡因的最低浓度。

方法:同一位外科医生对3430例患者进行了单独使用TLA的抽脂手术。所有的抽脂手术都是使用TLA作为唯一的疼痛控制形式来完成的。不需要额外的肌肉或静脉镇静或额外的疼痛治疗。逐渐降低肿胀溶液中1000 mg/L利多卡因的初始浓度,以找到充分麻醉所需的最低浓度。

结果:在我们的3430例抽脂手术中,已经证明单独使用TLA在所有病例中都能提供足够的疼痛控制,而且不需要其他形式的麻醉。使用400 mg/L的利多卡因生理盐水对大部分身体区域提供足够的麻醉,500 mg/L的浓度对所有患者的所有身体区域都足够。

 文献来源;Habbema L,Efficacy of tumescent local anesthesia with variable lidocaine concentration in 3430 consecutive cases of liposuction.J Am Acad Dermatol 2010 Jun;62(6)

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    2021-09-16 CHANGE

    疗效只是效果的众多方面之一,还要看对患者的获益,包括生活质量等因素共同决定效果的

    0

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