Muscle belly union surgery with or without medial rectus recession for the treatment of high myopic strabismus fixus.

To evaluate the results of surgery involving the union of the superior rectus muscle and the lateral rectus muscle with or without medial rectus recession (MRc) for the treatment of high myopic strabismus fixus over a 20-year period. The medical records of patients who underwent muscle belly union for the treatment of high myopic strabismus fixus were reviewed retrospectively. Patients were classified according to the timing of MRc. In group 1, MRc was performed before muscle union surgery; in group 2, MRc was performed concurrent with muscle union surgery; in group 3, MRc was not performed; in group 4, MRc was performed after muscle union surgery. A total of 50 eyes of 40 patients were included. Mean esotropia decreased from 57.27Δ ± 25.45Δ (range, 8Δ-100Δ) before surgery to 11.67Δ ± 13.85Δ (range, -18Δ to 45Δ) after (P < 0.001); mean hypotropia, from 6.05Δ ± 9.13Δ (range, 0Δ-13Δ) before to 1.20Δ ± 3.03Δ (range, 0Δ-10Δ) after (P < 0.001). Mean abduction improved from -2.82 ± 1.17 (range, -4 to 0) before to -0.75 ± 0.92 (range, -3 to 0) after (P < 0.001); mean elevation, from -1.62 ± 1.62 (range, -4 to 0) before to -0.57 ± 0.90 (range, -3 to 0) after (P < 0.001). Preoperative esotropia and postoperative limitation in abduction were significantly lower in group 3 (P = 0.03; P = 0.01). Muscle union surgery successfully corrected the restrictive esotropia and hypotropia. MRc in addition to muscle union surgery was not necessary for some patients, for whom preoperative esotropia was lower. Copyright © 2020 American Association for Pediatric Ophthalmology and Strabismus. Published by Elsevier Inc. All rights reserved.

Citation

Selcen Çelik, Aslı İnal, Osman Bulut Ocak, Ebru Demet Aygıt, Zahid Hüseyinhan, Ceren Gürez, Işıl Paşaoğlu, Birsen Gökyiğit. Muscle belly union surgery with or without medial rectus recession for the treatment of high myopic strabismus fixus. Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus. 2020 Oct;24(5):278.e1-278.e5

Mesh Tags

PMID: 33045379

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