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World neurosurgery v.115, 2018년, pp.e620 - e628  

Risk Factor Analysis for the Outcomes of Indirect Traumatic Optic Neuropathy with No Light Perception at Initial Visual Acuity Testing

Lai, I-Li (Department of Surgery, Chang Gung Memorial Hospital, LinKou, Taiwan ) ; Liao, Han-Tsung (Department of Plastic and Reconstructive Surgery, Craniofacial Research Center, Chang Gung Memorial Hospital, LinKou, Taiwan ) ;
  • 초록  

    Background The optimal management of indirect traumatic optic neuropathy (TON) is controversial. We aimed to compare the differences in visual improvement by treatment option in patients presenting with TON and no light perception (NLP). We also wanted to identify any patient-related factors that might favor the use of steroid pulse therapy or optic nerve decompression (OND). Methods We retrospectively identified 46 consecutive patients with indirect TON treated at Chang Gung Memorial Hospital between 2007 and 2015. The outcome was the improvement in visual acuity by improvement rate and degree of improvement. Results Females had a better improvement rate than did males. Compared with delayed treatment, patients receiving steroid pulse therapy within 14 hours or receiving OND within 26 hours had a better improvement rate/degree. In patients with an initial intraocular pressure (IOP) of 17–23 mm Hg, the improvement rate/degree was significantly better than for patients with an IOP outside this range. For patients treated by OND, an initially normal IOP (11–21 mm Hg) suggested a significantly better prognosis in the improvement rate/degree. Conclusions For patients with indirect TON, initial NLP implies a poor prognosis, but steroid pulse therapy or OND are both feasible treatment options. These results emphasize the importance of timely treatment for patients with indirect TON and NLP. Females and patients with an initial IOP of 17–23 mm Hg were more likely to recover. The results of our study indicate that normal initial IOP (11–21 mm Hg) is good prognostic factor for patients with indirect TON treated with OND. Highlights This study focused on patients with indirect TON with initial no light perception. Earlier treatment brings better improvement in visual acuity. Initial IOP is important for overall and surgical outcome.


  • 주제어

    Initial no light perception .   Intraocular pressure .   Optic nerve decompression .   Steroid pulse therapy .   Traumatic optic neuropathy .   Visual acuity.  

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