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[Preliminary report of Nd: YAG laser embolysis for branch retinal artery occlusion].

AbstractOBJECTIVE:
In this study, the clinical effect of the Nd: YAG laser embolysis on branch retinal artery occlusion was evaluated.
METHODS:
A fundus contact lens was used to focus the Nd: YAG laser on the embolus within the retinal arteriole. 0.8 to 0.9 mJ of laser pulse was delivered directly to the embolus. Fundus photographs were taken before and immediately after the treatment. Follow-up time ranged from 2 weeks to 4 months, average about 7 weeks. Seven cases received the treatment, including 5 male and 2 female patients. Age of those cases ranged from 49 to 73, average 61 years. The duration of the disease ranged from 1 to 60 days, average 13 days.
RESULTS:
Before treatment, visual acuity ranged from 0.06 to 0.8. Embolus can be detected in all the 7 cases. After treatment, all the cases showed immediate recovery of blood flow in the occluded arteriole both in fundus examination and fundus fluorescein angiography. The vision in the patients was improved in the follow-up. Visual acuity ranged from 0.2 approximately 1.0. In most cases, visual field defect still existed in the ischemic area. Complications included local retinal hemorrhages in some cases and vitreous hemorrhage, but those hemorrhages were gradually absorbed and did not affect the final visual prognosis.
CONCLUSIONS:
Nd: YAG laser embolysis for branch retinal artery occlusion is an effective treatment and the treatment is relatively safe.
AuthorsNing Lu, Qing-song Yang, Kai Ma, Hai-ying Zhou, Ying Xiong, Wei Yan
Journal[Zhonghua yan ke za zhi] Chinese journal of ophthalmology (Zhonghua Yan Ke Za Zhi) Vol. 42 Issue 4 Pg. 326-9 (Apr 2006) ISSN: 0412-4081 [Print] China
PMID16762210 (Publication Type: English Abstract, Journal Article)
Topics
  • Aged
  • Female
  • Follow-Up Studies
  • Humans
  • Laser Therapy (methods)
  • Male
  • Middle Aged
  • Retinal Artery Occlusion (surgery)
  • Treatment Outcome
  • Visual Acuity

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