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Ocul Surf:研究羊膜移植术治疗细菌性角膜炎有效性的随机临床试验

2017-03-21 luowenbo MedSci原创

该随机临床试验的目的在于探讨早期羊膜移植能否改善细菌性角膜炎患者的预后。

研究羊膜移植术治疗细菌性角膜炎有效性的随机临床试验

该随机临床试验的目的在于探讨早期羊膜移植能否改善细菌性角膜炎患者的预后。

这项前瞻性随机临床试验中,患者治疗分为两组,实验组为49名细菌性角膜炎患者,这些患者接受常规抗菌治疗2-5内进行了双层羊膜移植手术;对照组为50名仅接受常规抗菌治疗的细菌性角膜炎患者。随后对两组患者进行为期6个月的随访,随访内容包括:视力、角膜愈合时间、瘢痕大小、前房积脓大小与持续时间、角膜浑浊与新生血管的深度。另外,两组患者愈合期间的朗格汉斯细胞密度与其生成机制在被记录在案。

与对照组相比,实验组6个月的最佳矫正视力(P<0.001),裸眼视力(P<0.001),隐形眼镜矫正视力(P<0.001)都显着优于对照组。角膜愈合时间、角膜浑浊深度、前房积脓大小与持续时间在两组间没有显着差异,但实验组的伤口疤痕明显小于对照组(P<0.001),而且,实验组在观察的6个月中角膜血管化率和朗格汉斯细胞密度显着降低(P<0.001)。

总之,该试验表明,早期采用羊膜移植术治疗细菌性角膜炎与单纯抗生素治疗相比效果更佳,而羊膜移植术的潜在副作用与其成本收益比,仍然需要进一步的对比研究试验进行确证。

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    2017-07-31 cy0324
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    2017-03-22 snowpeakxu
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