May 2005
Volume 46, Issue 13
ARVO Annual Meeting Abstract  |   May 2005
Flexible Rake for Removal of Epiretinal Membranes
Author Affiliations & Notes
  • T.M. Johnson
    National Retina Institute, Chevy Chase, MD
  • B.M. Glaser
    National Retina Institute, Chevy Chase, MD
  • Footnotes
    Commercial Relationships  T.M. Johnson, None; B.M. Glaser, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 5518. doi:
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      T.M. Johnson, B.M. Glaser; Flexible Rake for Removal of Epiretinal Membranes . Invest. Ophthalmol. Vis. Sci. 2005;46(13):5518.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract: : Purpose:Successful epiretinal membrane surgery is often limited by post operative cystoid macular edema and residual epiretinal tissue. The purpose of this study is to develop a novel surgical instrument that allows complete removal of epiretinal membrane tissue in an atraumatic fashion. Methods:A novel epiretinal membrane rake was developed. The rake is composed of multiple flexible tines that are extended from the instrument. Once completely extended the tines engage a large surface area of the ERM allowing complete removal without need for a defined membrane edge or incision in the ERM. A prospective case series of patients undergoing removal of epiretinal membrane during vitrectomy was conducted using the rake. Results:8 consecutive patients underwent vitrectomy with removal of epiretinal membrane using the membrane rake. Mean pre–operative ETDRS visual acuity was 20/80. 75 % of patients had cystoid macular edema noted on fluorescein angiography. 1 patient had an intraoperative retinal tear. 1 patient was noted to have intraoperative intraretinal hemorrhages following ERM removal. At average last follow up of 6 weeks average ETDRS visual acuity was 20/25. No patients had persistent ERM or CME. Conclusions:The epiretinal membrane rake appears to allow complete and atraumatic removal of epiretinal membrane tissue without significant risk. Early results suggest the rake is associated with good visual recovery and a very low rate of persistent ERM and CME.

Keywords: macula/fovea • vitreoretinal surgery 

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