Comparison of Graft Thickness Measured by Eye Bank with Graft Thickness Measured after Descemet Stripping Automated Endothelial Keratoplasty

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ABBASI H.; FEIZI S.; DELFAZAYE BAHER S.; MASOUDI A.; Babamohammadi Z.; JAVADI M.A.

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Journal: BINA Year:2018 | Volume:24 | Issue:1 Page(s): 42-49

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Title

Comparison of Graft Thickness Measured by Eye Bank with Graft Thickness Measured after Descemet Stripping Automated Endothelial Keratoplasty

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Keywords

Anterior Optical Coherence TomographyQ1

Correlation of ThicknessQ1

Descemet Stripping Automated Endothelial KeratoplastyQ1

Donor Graft ThicknessQ1

Eye BankQ1

Abstract

Purpose: To compare donor lenticule thickness reported by the Eye Bank with lenticule thickness measured at 6 months after Descemet Stripping Automated Endothelial Keratoplasty (DSAEK). Methods: This prospective, interventional case series enrolled 30 eyes of 30 patients, who underwent DSAEK, using precut Eye Bank tissue. Preoperative thickness measurements of the donor lenticules were taken centrally and at pericentral and peripheral graft areas using an anterior segment optical coherence tomography system. The same measurements were repeated 6 months postoperatively. The preoperative and postoperative values were compared, and the relationships between these measurements were investigated, using Pearson correlation coefficients. Results: The mean donor age was 47. 7± 10. 7 years old. The mean preoperative endothelial cell density was 3016. 8± 361. 4 cells/mm2, which decreased to 1644. 9± 482. 0 cells/mm2 postoperatively (P<0. 001). The graft thickness of the precut tissue, as reported by the Eye Bank, was 136. 8± 24. 9 􀀀 m at the center, 149. 4± 27. 3 􀀀 m at the pericentral area, and 198. 4± 32. 8 􀀀 m at the periphery. The corresponding postoperative values were 119. 2± 29. 8 􀀀 m (P=0. 004), 124. 5± 34. 6 􀀀 m (P=0. 002), and 156. 3± 45. 4 􀀀 m (P<0. 001), respectively. The graft thickness measured by the Eye Bank was significantly associated with that measured in vivo at 6 months at the central (r=0. 63; P=0. 001) and pericentral (r=0. 5; P=0. 009) graft area. However, the correlation between preoperative and postoperative peripheral graft thickness was insignificant (P= 0. 14). Conclusion: Compared to preoperative values, central, pericentral, and peripheral graft thicknesses were reduced by 10. 4%, 14. 2%, and 18. 4%, respectively, 6 months after DSAEK. Postoperative graft thinning was greater at the periphery compared with the central and pericentral area.

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References

Measurements of donor endothelial keratoplasty lenticules prepared from fresh donated whole eyes by using ultrasound and optical coherence tomography

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APA: Copy

ABBASI, H., FEIZI, S., DELFAZAYE BAHER, S., MASOUDI, A., Babamohammadi, Z., & JAVADI, M.A.. (2018). Comparison of Graft Thickness Measured by Eye Bank with Graft Thickness Measured after Descemet Stripping Automated Endothelial Keratoplasty. BINA, 24(1 ), 42-49. SID. https://sid.ir/paper/42629/en

Vancouver: Copy

ABBASI H., FEIZI S., DELFAZAYE BAHER S., MASOUDI A., Babamohammadi Z., JAVADI M.A.. Comparison of Graft Thickness Measured by Eye Bank with Graft Thickness Measured after Descemet Stripping Automated Endothelial Keratoplasty. BINA[Internet]. 2018;24(1 ):42-49. Available from: https://sid.ir/paper/42629/en

IEEE: Copy

H. ABBASI, S. FEIZI, S. DELFAZAYE BAHER, A. MASOUDI, Z. Babamohammadi, and M.A. JAVADI, “Comparison of Graft Thickness Measured by Eye Bank with Graft Thickness Measured after Descemet Stripping Automated Endothelial Keratoplasty,” BINA, vol. 24, no. 1 , pp. 42–49, 2018, [Online]. Available: https://sid.ir/paper/42629/en

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