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1.
J Pediatr Ophthalmol Strabismus ; 56(4): 266-270, 2019 Jul 01.
Article in English | MEDLINE | ID: mdl-31322719

ABSTRACT

PURPOSE: To evaluate the surgical responses and outcomes of bilateral medial rectus (BMR) recession in esotropic patients with spinocerebellar ataxia (SCA) and to compare the results with normal controls. METHODS: The medical records of patients with SCA who underwent strabismus surgery for esotropia between 2006 and 2015 were reviewed retrospectively. Five esotropic patients with SCA (SCA group) and 10 esotropic patients without neurologic disorders (control group) who underwent BMR recession were included. Success rates, surgical responses, and the amount of preoperative and postoperative distance-near disparity were evaluated and compared between the groups. RESULTS: The mean preoperative esodeviation was not different between the SCA and control groups (20 vs 17.3 prism diopters [PD], P = .214). However, patients with SCA showed significant undercorrection compared with controls 1 week postoperatively (4.8 vs 1.0 PD, P = .048) and at the final follow-up (6.8 vs 1.8 PD, P = .032). The surgical success rates for the SCA and control groups were 40% and 80%, respectively (P = .095). Patients with SCA demonstrated a significantly reduced surgical response compared with controls (3.15 vs 3.87 PD/mm, P = .004), and a greater amount of postoperative distance-near disparity than controls (8.0 vs 1.1 PD, P = .001). CONCLUSIONS: A significant undercorrection was observed following BMR recession in esotropic patients with SCA. Accordingly, the authors recommend a slight overcorrection of 5 to 10 PD or adding a slanting procedure when planning strabismus surgery for this distinct group of patients. [J Pediatr Ophthalmol Strabismus. 2019;56(4):266-270.].


Subject(s)
Esotropia/surgery , Eye Movements/physiology , Oculomotor Muscles/surgery , Ophthalmologic Surgical Procedures/methods , Spinocerebellar Ataxias/complications , Vision, Binocular/physiology , Adult , Aged , Esotropia/etiology , Esotropia/physiopathology , Female , Follow-Up Studies , Humans , Male , Middle Aged , Oculomotor Muscles/physiopathology , Postoperative Period , Retrospective Studies , Treatment Outcome
2.
J AAPOS ; 22(4): 257-261, 2018 08.
Article in English | MEDLINE | ID: mdl-30031873

ABSTRACT

PURPOSE: To compare the postoperative vertical drift in patients with thyroid eye disease (TED) with hypotropia who underwent vertical rectus recession alone versus vertical rectus recession combined with horizontal rectus recession. METHODS: The medical records of patients with TED who underwent strabismus surgery for hypotropia between 2006 and 2015 were reviewed retrospectively. Patients were divided into two groups: group 1 underwent vertical rectus recession only; group 2 underwent vertical rectus recession plus horizontal rectus recession. Data collection included pre- and postoperative deviation measurements and amount of surgical recession performed. The amount of postoperative vertical drift between groups was compared. RESULTS: Of 67 patients who underwent surgery during the study period, 18 met inclusion criteria, 9 in each group. Mean postoperative hypotropia was 24.2Δ in group 1 and 24.5Δ in group 2 (P = 0.82). Mean vertical deviations were 0.3Δ and -2.2Δ (P = 0.134) on postoperative day 1; -0.9Δ and -8.0Δ (P = 0.043) at final follow-up for groups 1 and 2. Mean postoperative vertical drift toward hypertropia was 1.2Δ in group 1 and 6.8Δ in group 2 (P = 0.048). The surgical success rate for group 1 was superior to that for group 2 (89% vs 67% [P = 0.024]). CONCLUSIONS: There was a significantly larger postoperative vertical drift in TED patients with hypotropia who had combined vertical rectus and horizontal rectus recessions compared with those who underwent vertical rectus recession alone.


Subject(s)
Graves Ophthalmopathy/surgery , Oculomotor Muscles/surgery , Ophthalmologic Surgical Procedures , Strabismus/surgery , Aged , Female , Humans , Male , Middle Aged
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