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  • Title: Superior or inferior rectus transposition in esotropic Duane syndrome: a longitudinal analysis.
    Author: Sener EC, Yilmaz PT, Fatihoglu ÖU.
    Journal: J AAPOS; 2019 Feb; 23(1):21.e1-21.e7. PubMed ID: 30633960.
    Abstract:
    PURPOSE: To evaluate the results of superior rectus transposition (SRT) or inferior rectus transposition (IRT) in esotropic Duane syndrome. METHODS: The medical records of patients with esotropic Duane syndrome who underwent ciliary vessel-sparing SRT or IRT by a single surgeon in private practice were included. Pre- and postoperative head posture, primary position deviation, fundus torsion, collapse in pattern, and improvement in ductions were analyzed between groups. RESULTS: A total of 21 patients were included: 7 had a V-pattern esotropia and/or larger abduction deficiency in downgaze compared to upgaze and underwent IRT; 14 underwent SRT of which 6 had A pattern and/or larger abduction deficiency in upgaze compared to downgaze. Orthotropia within 10Δ of esotropia was achieved in 10 patients (71.4%) with SRT and 4 patients (57.1%) with IRT. Pattern was reduced and abduction improved in all patients. The improvement in abduction was slightly better in elevation after SRT compared with IRT (1.7 ± 1 vs 1.4 ± 0.7; P = 0.4) and in depression after IRT compared to SRT (2 ± 1.2 vs 1.1 ± 0.7; P = 0.05). CONCLUSIONS: Both SRT and IRT procedures effectively correct the head posture and primary position deviation in esotropic Duane patients. SRT can be advantageous in patients with an A pattern or more limitation of abduction in elevation; IRT, in patients with a V pattern or more limitation of abduction in depression.
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