Observational studyGraefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie2022
Comparison of degree of medial rectus muscle misalignment after medial orbital wall decompression with or without periosteal flap.
Observational study in Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
2 citing papers in PubMed.
- Age-stratified anatomical differences of orbital floor and medial orbital wall blowout fractures.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2025Observational
- Lateral Rectus Muscle Resection for New-Onset Esotropia Following Medial Orbital Wall Decompression in Thyroid Eye Disease.Medicina (Kaunas, Lithuania) · 2025Observational
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeTo compare the degree of postoperative medial rectus (MR) muscle misalignment in patients who underwent medial orbital wall decompression with or without a periosteal flap along the MR muscle.
methodsThis retrospective, observational study included 40 sides from 26 patients. The following parameters were measured on axial computed tomographic images taken post- and/or preoperatively: the distance of the anteroposterior line between the posterior lacrimal crest and the junction of the ethmoid and sphenoid sinuses from the most medial point of the medial margin of the MR muscle; the angle created at the point of the MR globe insertion, the most medial point of the MR muscle, and the junction of the ethmoid and sphenoid sinuses; and the MR muscle cross-sectional area. Postoperative changes in the distance (MR muscle shift) and area (MR muscle expansion) were calculated, and MR muscle shift, MR muscle angle, and the rate of MR muscle expansion were compared between the groups with (22 sides) and without (18 sides) a periosteal flap.
resultsMR muscle shift (P = 0.325), MR muscle angle (P = 0.219), and the rate of MR muscle expansion (P = 0.904) were not significantly different between the groups.
conclusionsPreservation of the periosteum along the MR muscle is thought to prevent MR muscle misalignment after medial orbital wall decompression. However, the results of this study indicate that preservation of a periosteal flap may not contribute to lessening MR muscle shift after surgery.
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