Journal of cataract and refractive surgery · 2003
Thyroid disease and vertical rectus muscle overaction after retrobulbar anesthesia.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Han Soo Kyung, Hwang Jeong Min
Аннотация
PURPOSE: To determine the associated factors of persistent diplopia after retrobulbar anesthesia.
SETTING: Strabismus Section, Department of Ophthalmology, Seoul Municipal Boramae Hospital, Seoul, Korea.
METHODS: A prism and cover test in the diagnostic positions of gaze, force-generation test, and forced-duction test were performed in 11 patients with vertical rectus overaction after retrobulbar anesthesia. A Tensilon (edrophonium chloride) test, thyroid function test, and orbit computed tomography were performed in 8 patients.
RESULTS: None of the 11 patients reported diplopia before receiving local anesthesia. Ten patients showed ipsilateral hypertropia with superior rectus overaction and 1 patient, ipsilateral hypotropia with inferior rectus overaction. One patient had partial fibrosis of the medial half of the superior rectus, presumably caused by a bridle suture. Four (50%) of 8 patients in whom a thyroid function test was performed had abnormal findings; 1 had a history of systemic dysthyroidism.
CONCLUSIONS: In this study, permanent vertical strabismus after local anesthesia was entirely the result of overactive vertical rectus muscles, mostly the superior rectus muscle. Half the patients who had a thyroid function study had abnormal findings.
SETTING: Strabismus Section, Department of Ophthalmology, Seoul Municipal Boramae Hospital, Seoul, Korea.
METHODS: A prism and cover test in the diagnostic positions of gaze, force-generation test, and forced-duction test were performed in 11 patients with vertical rectus overaction after retrobulbar anesthesia. A Tensilon (edrophonium chloride) test, thyroid function test, and orbit computed tomography were performed in 8 patients.
RESULTS: None of the 11 patients reported diplopia before receiving local anesthesia. Ten patients showed ipsilateral hypertropia with superior rectus overaction and 1 patient, ipsilateral hypotropia with inferior rectus overaction. One patient had partial fibrosis of the medial half of the superior rectus, presumably caused by a bridle suture. Four (50%) of 8 patients in whom a thyroid function test was performed had abnormal findings; 1 had a history of systemic dysthyroidism.
CONCLUSIONS: In this study, permanent vertical strabismus after local anesthesia was entirely the result of overactive vertical rectus muscles, mostly the superior rectus muscle. Half the patients who had a thyroid function study had abnormal findings.