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Abstract
To compare the effectiveness of superior rectus transposition and medial rectus recession (SRT/MRc) vs inferior and superior rectus transposition (VRT) for acquired sixth nerve palsy.Consecutive, interventional case series.The medical records of a consecutive series of patients with acquired sixth nerve palsy who underwent VRT or SRT/MRc by a single surgeon were reviewed. The preoperative and postoperative findings were compared between the 2 groups.Eight patients (mean age, 46.8 years) underwent SRT/MRc and 8 patients underwent VRT (mean age, 51.1 years). Lateral fixation was performed on all but 4 patients in the VRT group. Preoperative esotropia in primary position and abduction deficit were similar in both groups (SRT/MRc, 41.9 prism diopter [PD], -4.6; VRT, 55.6 PD, -4.5; P = .195, 1.0). The SRT/MRc group underwent a mean MR recession of 6 (range, 5-7) mm. Four patients in the VRT later underwent MR recession (mean 5.3 mm, range 5-6 mm). In addition, 5 patients in the VRT group had 1 or more botulinum toxin injections in the medial rectus muscle. No additional procedures were performed in the SRT/MR group. Fewer additional procedures were performed with SRT/MR (SRT/MR, 0; VRT, 1.8 ± 1.2; P < .010). At last follow-up, residual esotropia (SRT/MRc, 7.1 PD; VRT, 10.3 PD; P = .442) was similar in both groups, but abduction was better in the SRT/MRc group (SRT/MR, -3.0 ± 0.7; VRT, -3.8 ± 0.4; P = .038). There were no new persistent vertical deviations or torsional diplopia.Final outcomes were similar with SRT/MRc vs VRT. However, fewer additional surgical procedures were needed with SRT/MR.
View details for DOI 10.1016/j.ajo.2017.02.019
View details for PubMedID 28249714