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KMID : 0360220120530121807
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Journal of the Korean Ophthalmological Society
2012 Volume.53 No. 12 p.1807 ~ p.1813
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Comparison of Two Doses of IVB and Prognostic Factor on Myopic CNV : 1-Year Outcome
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Lim Eun-Hae
Jang Yoon-Soo
Lew Young-Ju
Yoo Su-Jin
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Abstract
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Purpose: To compare the efficacy of 3 consecutive monthly intravitreal bevacizumab (IVB) injections (fixed regimen group) with a single IVB injection (PRN group) on patients with myopic choroidal neovascularization (CNV) and to determine the prognostic factors associated with IVB injection outcomes.
Methods: 23 Twenty-three eyes in 21 patients with myopic CNV (14 eyes in the fixed regimen group and 9 eyes in the PRN group) treated with IVB were studied retrospectively. Best corrected visual acuity (BCVA), central macular thickness (CMT), the size of CNV prior to the initial IVB injection, CMT at the completion of treatment, and the number of IVB injections during the study period was measured.
Results: IVB resulted in improved BCVA and decreased CMT in both groups, and the differences before and after IVB injections were significantly correlated. Average injection time in the fixed regimen group and PRN group was 3.4 ± 0.9 and 1.5 ± 0.7 respectively, and was not statistically significant (p = 0.16). Differences between the groups in BCVA (p = 0.83) and CMT (p = 0.38) were not significantly correlated. Among the variables measured prior to IVB injection that affected final BCVA was age (p = 0.01).
Conclusions: In the present study, a single injection of IVB compared to 3 consecutive IVB injections in patients with myopic CNV resulted in similar outcomes. In the future, these results can be considered as a reference when designing treatments for myopic CNV patients.
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KEYWORD
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Bevacizumab, Myopic choroidal neovascularization
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