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Posterior subtenon infusion of triamcinolone acetonide as adjunctive treatment to panretinal photocoagulation using pattern scan laser for diabetic retinopathy

  • Clinical Investigation
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Abstract

Purpose

To estimate the effect of sub-Tenon’s capsule triamcinolone acetonide injection (STTA) combined with panretinal photocoagulation (PRP) using pattern scan laser (PSL) for high risk non-proliferative diabetic retinopathy (NPDR), in terms of the inflammation and the progression of diabetic macular edema (DME).

Study design

Retrospective comparative analysis.

Methods

NPDR patients who underwent PRP using PSL with (STTA+PSL group, n=24) or without (PSL group, n=19) pretreatment of STTA were enrolled. We measured anterior flare intensity (AFI) and central retinal thickness (CRT) at day of STTA (day 0), and at 1, 3, 7, 11 and 15 weeks.

Results

The CRT of the STTA+PSL group was significantly lower than that of the PSL group at 7 (308.15±69.16 μm versus 340.21±77.91 μm, p = 0.04), 11 (283.8±60.75 μm versus 335.7±67.70 μm, p = 0.01) and 15 weeks (281.13±35.29 μm versus 316.58±54.89 μm, p = 0.02). AFI levels in the STTA+PSL group were significantly lower than those in the PSL group at 11 (10.47±3.40 versus 15.85±8.38, p = 0.007) and 15 weeks (11.38±3.31 versus 14.37±3.85, p = 0.009). The significant improvement in CRT from baseline was noticed through the observational periods in STTA+PSL group, but not in the PSL group.

Conclusion

Pretreatment of STTA has the potential to not only prevent the worsening of DME, but also reduce the CRT and AFI of eyes with NPDR after PRP using PSL.

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Conflicts of interest

Y. Yamada, None; Y. Takamura, None; T. Matsumura, None; M. Morioka, None; M. Gozawa, None; M. Inatani, None.

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Authors and Affiliations

  1. Department of Ophthalmology, Faculty of Medical Sciences, University of Fukui, Eiheiji-cho, Yoshida-gun, Fukui, Fukui-ken, 910-1193, Japan

    Yutaka Yamada, Yoshihiro Takamura, Takehiro Matsumura, Masakazu Morioka, Makoto Gozawa & Masaru Inatani

Authors
  1. Yutaka Yamada
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  2. Yoshihiro Takamura
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  3. Takehiro Matsumura
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  4. Masakazu Morioka
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  5. Makoto Gozawa
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  6. Masaru Inatani
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Corresponding author

Correspondence to Yoshihiro Takamura.

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Corresponding author: Yoshihiro Takamura

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Yamada, Y., Takamura, Y., Matsumura, T. et al. Posterior subtenon infusion of triamcinolone acetonide as adjunctive treatment to panretinal photocoagulation using pattern scan laser for diabetic retinopathy. Jpn J Ophthalmol 62, 686–692 (2018). https://doi.org/10.1007/s10384-018-0628-z

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  • DOI: https://doi.org/10.1007/s10384-018-0628-z

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