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Pneumatic displacement with intravitreal bevacizumab for massive submacular hemorrhage due to polypoidal choroidal vasculopathy

Authors Kitahashi M, Baba T, Sakurai M, Yokouchi H, Kubota-Taniai M, Mitamura Y, Yamamoto S

Received 4 October 2013

Accepted for publication 19 November 2013

Published 3 March 2014 Volume 2014:8 Pages 485—492

DOI https://doi.org/10.2147/OPTH.S55413

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3


Masayasu Kitahashi,1 Takayuki Baba,1 Madoka Sakurai,1 Hirotaka Yokouchi,1 Mariko Kubota-Taniai,1 Yoshinori Mitamura,2 Shuichi Yamamoto1

1Department of Ophthalmology and Visual Science, Chiba University Graduate School of Medicine, Chiba, 2Institute of Health Biosciences, University of Tokushima Graduate School, Tokushima, Japan

Background: The purpose of this study was to compare the effectiveness of pneumatic displacement combined with intravitreal bevacizumab (IVB) with that of pneumatic displacement (PD) alone to treat massive submacular hemorrhage (SMH) secondary to polypoidal choroidal vasculopathy (PCV).
Methods: Thirty-two eyes of 32 patients with massive SMH secondary to PCV were studied. Twenty-two eyes were treated with a combination of PD and 1.25 mg of intravitreal bevacizumab (PD + IVB group), and ten eyes with pneumatic displacement alone (PD group).
Results: Pretreatment, the differences in best-corrected visual acuity and size of the SMH between the two groups were not significant (P=0.59 and P=0.72, respectively). Complete displacement of the hemorrhage from under the fovea was achieved in 19 of 22 eyes (86.4%) in the PD + IVB group and in five of ten eyes (50%) in the PD group. The best-corrected visual acuity in the PD + IVB group was significantly better than that in the PD group at one, 3, and 6 months after treatment (P<0.001, P<0.001, and P<0.001, respectively). Improvement in best-corrected visual acuity by >0.3 logMAR units was obtained in 18 eyes (81.8%) in the PD + IVB group and two eyes (20%) in the PD group (P<0.001). The number of eyes that required additional treatments was significantly fewer in the PD + IVB group than in the PD group (P=0.0001).
Conclusion: The combination of PD and IVB may be a better therapeutic procedure for eyes with massive SMH due to PCV in the short term because of the better visual outcome and less need for additional treatments.

Keywords: pneumatic displacement, intravitreal bevacizumab, submacular hemorrhage, polypoidal choroidal vasculopathy

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