[ADAL-1(R): a new synthetic adhesive for use in strabismus surgery].
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Biomedical subjects
Publications and source records attributed to P Merino Sanz.
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PURPOSE: To evaluate the factors involved in the development of consecutive exotropia (XTc), and the surgical procedures used for its treatment. PATIENTS AND METHODS: A retrospective study on 30 patients who underwent surgery for XTc was carried out in our Department. The following characteristics were studied prior to surgery: anamnesis, refraction, deviation angle measurement, detection of amblyopia and diplopia prior to the operation, abnormal head posture rotations and presence of any vertical deviation and anisotropy. The surgical technique used was individually considered for each patient and included bilateral lateral rectus recessions and/or unilateral medial rectus advancement to its/their original insertion site. RESULTS: Before surgery, 53.33% of our patients showed amblyopia, 66.66% of them showed rotation limitation, 46.66% showed dissociated vertical deviation (DVD), 20% had abnormal head posture and 10% diplopia. < > results (residual deviation of 10 prism diopters or less) were obtained in 70% of our patients. More than half of our cases were corrected with one single procedure. CONCLUSIONS: The presence of amblyopia, rotation limitations and vertical deviations (DVD and/or alphabetical syndromes) were found to be the most common factors in the development of a XTc in our study. The results indicate that a residual angle less than 10 prism diopters is obtained in 70% of our patients. The technique of choice is a bilateral lateral rectus muscle recession for deviations up to 35 prism diopters. The association of an advancement of one or both medial rectus muscles is necessary when the initial deviation exceeds 35 prism diopters.
PURPOSE: To study the results found in patients with congenital and constant Brown's Syndrome who were surgically treated with superior oblique sharpening technique. METHOD: Nine patients were selected among nineteen cases diagnosed of Brown's Syndrome in our Department for 4 years. Indications for surgery were vertical deviation in primary position and/or torticollis. The procedure of choice was the superior oblique sharpening in all cases, associated to its recession in 3 patients. RESULTS: The limitation of elevation in adduction was notably marked in 100% of the cases, improving in all of them, except in one patient (11.1%) after surgery. The preoperative hypotropia presented in 7 cases (77.8%) was resolved in 5 (71.42%) after the intervention. The initial torticollis had the same incidence than the hypotropia (77.8%: 7/9), but it completely resolved in 3 cases, and improved in 3 other with this technique. Binocular vision was recovered in 2 patients. Overall, 2 out of the 9 cases (22.22%) did not clinically improve. Intraoperative and postoperative complications were not observed, except a temporary superior oblique palsy that resolved without surgery. CONCLUSIONS: The superior oblique sharpening is a good technique which may improve the Brown Syndrome patients with primary position deviation and/or torticollis.