The position of T2-6 anterior cutaneous branch of intercostals nerve (ACIN) perforating were invariant.
第2~6肋间神经前皮支（ACIN）在胸骨旁穿出点位置恒定。
Among them, 23 cases were performed with routine local anesthesia, 18cases were performed with intercostals nerve block, 33 cases were performed with tumescent local anesthesia.
其中23例患者行常规局部浸润麻醉，18例行肋间神经阻滞麻醉，33例行胸大肌下局部肿胀麻醉。
Among them, 23 cases were performed with routine local anesthesia, 18cases were performed with intercostals nerve block, 33 cases were performed with tumescent local anesthesia.
其中23例患者行常规局部浸润麻醉，18例行肋间神经阻滞麻醉，33例行胸大肌下局部肿胀麻醉。
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