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应用美兰－布比卡因混合液作肋间神经阻滞于剖胸术后镇痛。结果：美兰－布比卡因混合液持续镇痛时间为２４．９５±１．２ｈ，优良率高于０．４５％布比卡因组和对照组。说明美兰与布比卡因合用可增加止痛效果，并延长时间。在尸体模拟操作染色、造影等，肋间注药主要沿肋沟扩散，阻滞肋间神经而产生镇痛。美兰处理后的脊神经根切片镜下观察来见到细胞结构受损或破坏。
Application of melanin - bupivacaine mixture for intercostal nerve block after thoracotomy postoperative analgesia. Results: The duration of analgesia was 24.95 ± 1.2 h in the combination of melanin and bupivacaine, the excellent and good rate was higher than that of 0.45% bupivacaine group and the control group. Description Meilan combined with bupivacaine can increase the analgesic effect, and extend the time. In the body simulation of staining operation, contrast, intercostal injection of drug mainly along the rib ditch proliferation, blocking the intercostal nerve and analgesic. Miran following treatment of the spinal nerve root root cells to see the microscope to see damaged or damaged cell structure.