真肌移植治疗第三神经麻痹。

IF 2.8 4区 医学 Q1 OPHTHALMOLOGY
Ahmed Awadein, Christina S Farag, Sara Maher
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引用次数: 0

摘要

目的:描述和报道两种不同的真肌移植技术治疗第三神经麻痹患者外斜视的结果。方法:对行真肌移植的第三神经性麻痹患者进行回顾性分析。切除的内直肌(MR)段在收缩前用于延长外直肌(LR)。移植采用自由移植技术或改良的连续移植技术。在手术前和术后评估导管、形态和偏离角度。结果:共发现7例患者,平均年龄32±17岁。2例患者既往有LR衰退。术前平均偏斜角为53±13 PD,内收限制为-4 PD。游离移植3例,连续移植4例。中位LR退行量为8 mm, MR切除量为6 ~ 8 mm。平均随访6.0±4.2个月。结论:真肌移植可用于矫正部分恢复或复发性第三神经麻痹患者的大外斜视,且对外展无明显限制。校正不足与较小的MR切除有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
True muscle transplantation for the management of third nerve palsy.

Objective: To describe and report the results of 2 different techniques for true muscle transplantation for management of exotropia in patients with third nerve palsy.

Methods: A retrospective chart review was conducted on patients with third nerve palsy in whom true muscle transplantation was performed. The resected segment of the medial rectus (MR) muscle was used to lengthen the lateral rectus (LR) muscle before recession. The transplantation was performed using either a free graft technique or a modified continuous graft technique. Ductions, versions, and angles of deviation were evaluated before and after surgery.

Results: A total of 7 patients were identified (mean age: 32 ± 17 years). Two patients had prior LR recession. The mean preoperative angle of deviation was 53 ± 13 PD, and the mean preoperative limitation of adduction was -4. The free graft and the continuous graft techniques were used in 3 and 4 cases, respectively. The median amount of LR recession was 8 mm, and the amount of MR resection ranged from 6 to 8 mm. The mean follow-up was 6.0 ± 4.2 months. Postoperatively, 5 patients had residual exotropia <10 PD. The remaining 2 cases had residual exotropia 15 PD. The mean postoperative limitation of adduction improved to -2.3 ± 0.5. The postoperative limitation of abduction was -1 or less in 6 patients.

Conclusions: True muscle transplantation can be used to correct large exotropia in partially recovered or recurrent third nerve palsy without causing significant limitation of abduction. Undercorrection is associated with smaller amounts of MR resection.

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来源期刊
CiteScore
3.20
自引率
4.80%
发文量
223
审稿时长
38 days
期刊介绍: Official journal of the Canadian Ophthalmological Society. The Canadian Journal of Ophthalmology (CJO) is the official journal of the Canadian Ophthalmological Society and is committed to timely publication of original, peer-reviewed ophthalmology and vision science articles.
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