May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Cutting the Encircling Band
Author Affiliations & Notes
  • H.A. Lincoff
    Ophthalmology, Weill Cornell University Med College, New York, NY
  • M. Stopa
    Ophthalmology, Weill Cornell University Med College, New York, NY
  • V. Sarup
    Ophthalmology, Weill Cornell University Med College, New York, NY
  • Footnotes
    Commercial Relationships  H.A. Lincoff, None; M. Stopa, None; V. Sarup, None.
  • Footnotes
    Support  Edward L. Grayson Retinal Research Fund
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 5472. doi:
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      H.A. Lincoff, M. Stopa, V. Sarup; Cutting the Encircling Band . Invest. Ophthalmol. Vis. Sci. 2005;46(13):5472.

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

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Abstract

Abstract: : Purpose: To report the affect of cutting the encircling band on ocular blood flow. Methods: This is a retrospective, comparative, interventional case series of 27 eyes that had been treated for retinal detachment with an encircling band operation. 27 eyes were studied that had been treated for retinal detachment with an encircling band operation 1 month to 35 years previously. Ocular pulse amplitude (OPA) was measured and pulsatile ocular blood flow (POBF) derived in the eyes with an encircling band (n=27) and in the unoperated fellow eyes. The bands were cut in 11 eyes and the POBF was measured at 1 month, 3 months, and 1 year and compared with the POBF prior to cutting. Changes in retinal attachment, buckle height and visual acuity were determined. Five encircled eyes with apparently normal visual function were tested with electroretinography before and after cutting of the encircling band. Results: The encircling bands diminished the POBF at a mean of 43% (p<0.001); cutting the band resulted in a mean recovery of 37%. The ERG amplitude of the 5 encircled eyes was uniformly depressed and did not recover after the bands were cut. Conclusions: Cutting an encircling band restores a significant amount of lost POBF, does not improve visual function, but may limit its subsequent deterioration. No retina detached after cutting the encircling band.

Keywords: blood supply • ischemia • retinal detachment 
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