A modified approach to actively remove high viscosity silicone oil through 23-gauge cannula
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Ding Chen. Eye Hospital, Wenzhou Medical University, 270 Xueyuan Road, Wenzhou 325027, Zhejiang Province, China. necoding@126.com

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Supported by the National Nature Science Foundation (No.81473295); Science Technology project of Zhejiang Province (No.2014C33260); Wenzhou Science and Technology Bureau (No.Y20140142).

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    Abstract:

    AIM: To report a simple approach to actively remove high viscosity silicone oil through a 23-gauge cannula via pars plana. METHODS: Forty-eight eyes of 48 patients underwent silicone oil (5700 centistokes) removal (SOR) were enrolled. A section of blood transfusion set was prepared to connect a standard 23-gauge cannula and vitrectomy machine. Silicone oil was removed with suction of 500-mm Hg vacuum through the cannula. Main outcome measures were SOR duration, number of sutured sites, intraocular pressure (IOP), best-corrected visual acuity (BCVA), and complications. RESULTS: Silicone oil was successfully removed in all cases. The mean SOR time was 5.70±0.85min. Nine eyes (18.75%) needed suture partial sclerotomies. No intraoperative complications were noted. Transient hypotony (≤8 mm Hg) was seen in 3 eyes (6.25%) on postoperative day 1, but all resolved within 1wk. Retinal reattachment was achieved in all cases and no other postoperative complications were noted during 3-month following-up. BCVA at the final visit improved or stabilized in all patients comparing to the preoperative level. CONCLUSION: Active removal of high viscosity silicone oil through a 23-gauge instrument cannula jointed with blood transfusion set is a practical and reliable technique when considering two sides of efficacy and safety.

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Zong-Ming Song, Xu-Ting Hu, Lei Wang, et al. A modified approach to actively remove high viscosity silicone oil through 23-gauge cannula. Int J Ophthalmol, 2016,9(9):1294-1298

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Publication History
  • Received:December 12,2015
  • Revised:February 26,2016
  • Adopted:
  • Online: September 12,2016
  • Published: