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先天性肌性斜颈

先天性肌性斜颈. 甘肃中医学院中医医疗系. 先天性斜颈分类. 先天性骨性斜颈:少见。 先天性肌性斜颈. 先天性肌性斜颈. 病理基础:一侧胸锁乳突肌纤维化和短缩引起 病因: 胎儿胎位不正或受到不正常的子宫壁压力所导致的头颈部姿态异常,阻碍胸锁乳突肌的血运引起 分娩时胸锁乳突肌受产道或产钳挤压或牵引而受伤出血,血肿机化导致  胸锁乳突肌的营养动脉栓塞或静脉回流受阻,导致肌纤维发生退行性变. 诊断. 难产病史 上述临床表现 常规拍摄颈椎 X-ray 来排除骨质异常. 鉴别诊断. ⒈ 骨性斜颈:胸锁乳突肌无挛缩, X 线片见颈椎异常

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先天性肌性斜颈

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  1. 先天性肌性斜颈 甘肃中医学院中医医疗系

  2. 先天性斜颈分类 • 先天性骨性斜颈:少见。 • 先天性肌性斜颈

  3. 先天性肌性斜颈 • 病理基础:一侧胸锁乳突肌纤维化和短缩引起 • 病因: 胎儿胎位不正或受到不正常的子宫壁压力所导致的头颈部姿态异常,阻碍胸锁乳突肌的血运引起 分娩时胸锁乳突肌受产道或产钳挤压或牵引而受伤出血,血肿机化导致 胸锁乳突肌的营养动脉栓塞或静脉回流受阻,导致肌纤维发生退行性变

  4. 诊断 • 难产病史 • 上述临床表现 • 常规拍摄颈椎X-ray来排除骨质异常

  5. 鉴别诊断 ⒈ 骨性斜颈:胸锁乳突肌无挛缩,X线片见颈椎异常 ⒉ 颈椎结核:颈部各方向主动及被动活动都受限,伴有肌肉痉挛但无胸锁乳突肌挛缩,颈部活动可有疼痛。X线片显示颈椎破坏和椎前脓肿 ⒊ 颈椎自发性半脱位:有咽部或颈部软组织感染病史,后发生斜颈。颈部活动受限,疼痛。X线片见颈椎半脱位,常见于1,2颈椎之间。

  6. 眼肌异常:病儿视物时须采取斜颈姿势,以避免复视。胸锁乳突肌无挛缩,斜颈可主动或被动矫正 ⒌ 听力障碍:一侧听力障碍,病儿于倾听时表现为斜颈畸形,但无固定性斜颈畸形,无胸锁乳突肌挛缩或颈椎异常

  7. 预后 • 治疗要早,效果越好 • 婴儿期可采用非手术疗法,部分可治愈 • 儿童期或胸锁乳突肌挛缩不严重者,需手术治疗 • 胸锁乳突肌挛缩严重,颜面不对称很明显,年龄较大时不能恢复正常

  8. 治疗原则 • 非手术疗法:治疗时间3个月左右 1方法:局部热敷,按摩,卧位固定及手法扳正(出生后2周开始) 2适合年龄:出生后不满半岁的婴儿 3目的:促进局部肿块消散,防止肌纤维挛缩

  9. 手术治疗: ⒈ 6个月到12岁采用非手术疗法失败或斜颈明显的患儿 ⒉ 12岁以上的,脸部畸形不明显也可手术治疗 ⒊ 年龄较大,畸形严重者,手术后难以恢复面部畸形

  10. 常用手术方法 • 方法:直视下切断胸锁乳突肌在胸骨和锁骨部的肌腱 • 麻醉:全麻或基础麻醉加局麻,也可颈丛麻醉(患者配合) • 体位:仰卧位,头偏向健侧

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