右美托咪定对新辅助化疗后乳腺癌患者术后痛觉过敏的影响

Fudan University Journal of Medical Sciences(2020)

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Abstract
目的 探讨右美托咪定对化疗后乳腺癌患者术后痛觉过敏的影响.方法 选择择期行乳腺癌改良根治手术的患者1 20例,将患者分为3组:对照组(C组,n=40)、新辅助化疗组(N组,n=40)和新辅助化疗术前应用右美托咪定组(D组,n=40).采用视觉模拟评分(Visual Analogue Scale,VAS)和机械痛阈测定分别于患者术后24 h(T5)、48 h (T6)和72 h (T7)进行痛觉评估.结果 与C组相比,N组患者在T5~T7时间点机械痛阈明显下降(P<0.001,P=0.037,0.023),VAS评分显著增加(P=0.012,0.002,0.036);与N组相比,D组患者在术后T5~T7时间点的机械痛阈升高(P=0.021,0.004,0.013),VAS评分显著降低(P=0.031,0.024,0.032).D组患者在围术期的心率(heart rate,HR)和平均动脉压(mean arterial pressure,MAP)更加平稳;术后再次镇痛患者比例下降,发生躁动不良反应减少.结论 右美托咪定可安全有效地缓解新辅助化疗后乳腺癌患者术后痛觉敏感性.
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