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. 2023 Nov;43(11):4011-4018.
doi: 10.1007/s10792-023-02805-z. Epub 2023 Jul 6.

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

Diğdem Beğendi  1 , Yaşar Duranoğlu  2
Affiliations

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

Diğdem Beğendi et al. Int Ophthalmol. 2023 Nov.

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.

Keywords: Hang-back; Over-correction; Recession.

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