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Intraoperative relaxed muscle positioning technique results in a tertiary Center for Thyroid Orbitopathy Related Strabismus.

Abstract：

BACKGROUND:Previous techniques resulted with low rates of successful fusion after the surgeries and high necessity of additional surgeries in the treatment of thyroid orbitopathy related strabismus. In this study, reviewing the results of our patients who had surgical correction with relaxed muscle positioning technique due to thyroid orbitopathy related strabismus to evaluate the effectiveness of the surgery was aimed. METHODS:The medical records of 8 patients who had surgical correction with intraoperative relaxed muscle positioning (IRMP) technique were studied retrospectively. The extent of strabismus was determined with prism cover test both at near and distance. The extent of recession was determined by marking the natural place of the released tendon during the primary position. The muscle then sutured to the globe at this precise point. RESULTS:Seven eyes (87.5%) of 8 patients had orthophoria after the surgery and they reported no diplopia in primary and reading gaze. The mean age of the patients was 51 ± 8.8 years. The mean follow-up time was 32.7 ± 18.5 months. Three patients had inferior rectus recession (IRR), 3 had bilateral medial rectus recession (MRR), 1 had only right MRR and 1 had combined MRR with IRR during the surgical correction of the strabismus. The mean amount of recession for IR was 7.5 ± 1.34 mm and it was 6.75 ± 0.95 mm for the MR muscles. The mean prism diopter before the surgery was 37.8 ± 23.3 and it was 0 after surgery except only one of the patients who had > 60 prism diopter (PD) left esotropia (ET) before surgery and had 30 PD left ET after surgery (3.3 ± 9.4). CONCLUSION:IRMP technique is a unique option for the surgical correction of thyroid orbitopathy related strabismus. By showing a dramatic increase in the quality of life of the patients, our surgical results are promising despite limited number of patients.

journal_name

BMC Ophthalmol

journal_title

BMC ophthalmology

authors

Sarici AM,Mergen B,Oguz V,Dogan C

doi

10.1186/s12886-018-0974-0

subject

Has Abstract

pub_date

2018-11-23 00:00:00

pages

305

issue

issn

1471-2415

pii

10.1186/s12886-018-0974-0

journal_volume

pub_type

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Intraoperative relaxed muscle positioning technique results in a tertiary Center for Thyroid Orbitopathy Related Strabismus.