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Macular hole closure patterns: an updated classification

  • Retinal Disorders
  • Published:
Graefe's Archive for Clinical and Experimental Ophthalmology Aims and scope Submit manuscript

Abstract

Background

The classification of macular hole closure patterns (MHCPs) currently relies on time domain OCT allowing only “open” and “closed” statuses or is based on inner foveal contour shape. Both classification types give no information on retinal layer reconstitution. Novel sophisticated surgical techniques lead to previously unknown MHCPs, outdating existing classifications and urging new ones. The purpose of the present study is to introduce a new classification allowing proper description of all MHCPs resulting from newer surgeries and based on the restoration of retinal layers.

Methods

Retrospective analysis of patients undergoing MH surgery with five different surgical techniques was performed. MHCPs were classified according to spectral domain optical coherence tomography (SD-OCT). Type 0: open MH (0A: flat margin, 0B: elevated, 0C: oedematous); type 1: closed MHs (1A: reconstitution all retinal layers; 1B interruption of the external layers; 1C interruption of internal layers); type 2: MH closed with autologous or heterologous filling tissue interrupting the normal foveal layered anatomy (2A: filling tissue through all layers; 2B reconstitution of normal inner retinal layers; 2C reconstitution of normal outer retinal layers; 2D H-shaped bridging of filling tissue).

Results

Closure rate was 95.2% (241/253). Surgical technique and vision correlated to closure pattern (p < 0.001). Type 1 MHCPs had the best post-operative visual acuity (VA) compared with type 2 and type 0 (p < 0.001). MHCPs 1A and 1C performed better than all others. MHCP at months 1 and 3 changed in 42/254 (16.5%) and remained stable in 212/254 (83.5%). Improvement in vision was higher in eyes with shifting closure pattern (0.57 ± 0.33 vs 0.51 ± 0.48 logMAR; p 0.021).

Conclusion

MHCP classification based on retinal layer restoration properly comprises post-operative anatomic morphologies. MHCPs correlate the surgical technique and post-operative visual outcomes.

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Acknowledgements

The authors would like to thank the Fondazione Roma for support.

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Authors and Affiliations

Authors

Contributions

T. Rossi: manuscript writing and design study. D. Bacherini: data search, proof reading, and design study. T. Caporossi: data search and manuscript writing. S. Telani, N. Koujlisis, and T. Mahmoud: manuscript writing and proof reading. D. Iannetta, S. Rizzo, and G. Ripandelli: data search and proof reading. S. Moysidis: data search

Corresponding author

Correspondence to Tommaso Rossi.

Ethics declarations

Present research complies with the guidelines for human studies and was conducted ethically in accordance with the World Medical Association Declaration of Helsinki. IRB approval was obtained, and informed consent was obtained by patients involved in the study.

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The authors declare that they have no conflict of interest.

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Rossi, T., Bacherini, D., Caporossi, T. et al. Macular hole closure patterns: an updated classification. Graefes Arch Clin Exp Ophthalmol 258, 2629–2638 (2020). https://doi.org/10.1007/s00417-020-04920-4

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