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Intravitreal bevacizumab injections combined with laser photocoagulation for adult-onset Coats’ disease

  • Saemi Park
  • Han Joo ChoEmail author
  • Dong Won Lee
  • Chul Gu Kim
  • Jong Woo Kim
Retinal Disorders

Abstract

Purpose

To evaluate the efficacy of intravitreal bevacizumab injections combined with laser photocoagulation in the treatment of adult-onset Coats’ disease.

Methods

Thirteen eyes of 13 patients suffering from adult-onset Coats’ disease were retrospectively included and analyzed. All patients were treated at baseline using intravitreal bevacizumab injections combined with laser photocoagulation. Follow-up treatment was performed as necessary.

Results

The mean age of the subjects was 40.3 years, and the mean follow-up period was 24.8 months. The mean number of bevacizumab injections was 2.69, and the mean number of laser treatment sessions was 1.68. The mean baseline best-corrected visual acuity (BCVA) was 0.72 logarithm of the minimum angle of resolution (logMAR; 20/104 Snellen equivalent), while the mean BCVA at the final visit was 0.68 logMAR (20/95; P = 0.548). In three patients (23.0 %), BCVA had improved by more than 3 lines, and seven patients (54.0 %) showed stable BCVA (changes within 2 lines of visual acuity) after treatment. The mean central foveal thickness improved significantly, from 473 μm at baseline to 288 μm at the final visit (P = 0.023). Final BCVA was significantly correlated with a baseline BCVA (P < 0.001; ρ = 0.882). The final BCVA of patients who had subfoveal hard exudates at baseline was significantly worse than that of patients without such exudates (P = 0.005).

Conclusions

Intravitreal bevacizumab injection combined with laser photocoagulation may be an effective treatment option for adult-onset Coats’ disease. Both poor initial BCVA and the occurrence of subfoveal hard exudates at baseline were associated with poor prognosis and poor therapeutic response.

Keywords

Bevacizumab Coat’s disease Laser photocoagulation Vascular endothelial growth factor 

Notes

Compliance with ethical standards

Funding

No funding was received for this research.

Conflict of interest

All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. For this type of study, formal consent is not required.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Saemi Park
    • 1
  • Han Joo Cho
    • 1
    Email author
  • Dong Won Lee
    • 1
  • Chul Gu Kim
    • 1
  • Jong Woo Kim
    • 1
  1. 1.Department of Ophthalmology, Kim’s Eye Hospital, Myung-Gok Eye Research InstituteKonyang University College of MedicineSeoulSouth Korea

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