首页> 外文期刊>British journal of ophthalmology >Modified Anderson procedure for correcting abnormal mixed head position in nystagmus.
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Modified Anderson procedure for correcting abnormal mixed head position in nystagmus.

机译:修正的Anderson程序,用于纠正眼球震颤中异常的混合头部位置。

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BACKGROUND/AIM: Treatment of nystagmus is controversial mainly in cases where it is combined with abnormal head position. This study was carried out to demonstrate that patients with abnormal head position in all three axes associated with nystagmus show improvement in the torsional and vertical components if only horizontal factors are addressed by surgical weakening of the horizontal muscles. METHODS: 21 patients with horizontal nystagmus and abnormal head position were studied. All had an abnormal head position in all three axes with a predominant head turn. In all cases a modified Anderson procedure was performed---that is, 2 mm retroequatorial recessions of the horizontal yoke rectus muscles responsible for the blockage position, plus corrective surgery for strabismus when needed. RESULTS: The three components of the abnormal head position were improved with surgery of horizontal yoke rectus muscles only (p=0.001). CONCLUSIONS: Large recessions of the horizontal yoke rectus muscles in nystagmus with blockage position, when the head turn predominates over the vertical and torsional components, are effective in diminishing the abnormal head position on all three axes.
机译:背景/目的:对眼球震颤的治疗主要在合并异常头部位置的情况下存在争议。进行这项研究的目的是,如果仅通过外科手术削弱水平肌肉来解决水平因素,则在与眼球震颤相关的所有三个轴上头部位置异常的患者的扭转和垂直分量都会有所改善。方法:对21例水平眼球震颤和头部异常的患者进行研究。所有人都在三个方向上都有异常的头部位置,并且头部旋转明显。在所有情况下,均进行改良的Anderson手术-即,水平肌直肌的赤道后凹2 mm引起阻塞位置,并在需要时进行斜视矫正手术。结果:仅用水平轭直肌进行手术可改善头部异常姿势的三个组成部分(p = 0.001)。结论:当头转弯在垂直和扭转成分上占主导地位时,眼球震颤的水平轭直肌的大凹处具有阻塞位置,可有效减少三个轴上的异常头部位置。

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