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Comparison of the results of the modified and classical bi-medial hang-back recession in infantile esotropia

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Abstract

Purpose

Bi-medial rectus recession, which can also be performed using a hang-back technique, is one of the surgical treatment options for infantile esotropia (IE). This study has modified the surgical approach, with outcomes compared to the traditional hang-back technique.

Methods

The bi-medial recession was performed with a modified hang-back technique in 120 IE patients and with a traditional hang-back technique in 88 cases. Surgical outcomes were reviewed and compared retrospectively.

Results

The patients in the two groups were compared in terms of surgery time, inferior oblique weakening surgery, and the presence of refractive error. The differences between pre-operative and postoperative first-month, sixth-month, and first-year degrees were statistically significant (p < 0.001).

Conclusions

This modified novel technique aims to avoid unwanted muscle movement in the horizontal and vertical axes and a gap in the middle of the recessed muscle, as seen in the traditional hang-back technique. Further, the modified technique resulted in less over- and under-correction as well as alphabetic pattern deviation.

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Acknowledgements

The authors would like to express their gratitude to ADN MURRAY, Prof. MD., who taught the surgical management of infantile esotropia, Hamidu Hamisi GOBEKA, Asst. Prof. MD, FEBOphth, for his invaluable English editing, and to Dr. Dilek BAŞAR who drew the figures.

Funding

The authors declare that they did not receive any financial support for this article’s submission, authorship, or publication.

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Authors and Affiliations

  1. Department of Ophthalmology, Faculty of Medicine, Demiroğlu-Bilim University, Istanbul, Turkey

    Diğdem Beğendi

  2. Department of Ophthalmology, Faculty of Medicine, Akdeniz University, 07050, Antalya, Turkey

    Yaşar Duranoğlu

Authors
  1. Diğdem Beğendi
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  2. Yaşar Duranoğlu
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Contributions

All authors attest that they meet the current ICMJE criteria for Authorship. DB and YD wrote the first draft of the manuscript, which was then reviewed and edited by YD. DB prepared the materials, collected the data, and conducted the analysis. Fıgures were planned by YD All authors reviewed the manuscript.

Corresponding author

Correspondence to Yaşar Duranoğlu.

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Conflict of interest

The authors have no conflicts of interest to declare.

Ethical approval

The Akdeniz University Faculty of Medicine Ethics Committee approved this study on August 28, 2019.

Informed consent

The patient provided general consent, agreeing to the use of residual body parts, clinical records, and anonymized data for research purposes.

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Beğendi, D., Duranoğlu, Y. Comparison of the results of the modified and classical bi-medial hang-back recession in infantile esotropia. Int Ophthalmol 43, 4011–4018 (2023). https://doi.org/10.1007/s10792-023-02805-z

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  • DOI: https://doi.org/10.1007/s10792-023-02805-z

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