{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,5,3]],"date-time":"2023-05-03T04:09:02Z","timestamp":1683086942256},"reference-count":20,"publisher":"SLACK, Inc.","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Pediatr Ophthalmol Strabismus"],"published-print":{"date-parts":[[2018,7]]},"abstract":"<jats:sec>\n            <jats:title>Purpose:<\/jats:title>\n            <jats:p>To evaluate the clinical outcomes of bilateral superior oblique posterior 7\/8th tenectomy with inferior rectus recession on improving chin-up head positioning in patients with horizontal nystagmus.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods:<\/jats:title>\n            <jats:p>Medical records were reviewed from 2007 to 2017 for patients with nystagmus and chin-up positioning of 15\u00b0 or more who underwent combined bilateral superior oblique posterior 7\/8th tenectomy with an inferior rectus recession of at least 5 mm.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results:<\/jats:title>\n            <jats:p>Thirteen patients (9 males and 4 females) were included, with an average age of 7.3 years (range: 1.8 to 15 years). Chin-up positioning ranged from 15\u00b0 to 45\u00b0 degrees (average: 30\u00b0). Three patients had prior horizontal muscle surgeries, 1 for esotropia and 2 for horizontal null zones causing anomalous face turns. Ten patients underwent other concomitant eye muscle surgery: 3 had esotropia, 1 had exotropia, and 2 had biplanar nystagmus null point requiring a horizontal Anderson procedure. Four patients underwent simultaneous bilateral medial rectus tenotomy and reattachment. All patients had improved chin-up positioning. Eight patients had complete resolution, whereas 5 had minimal residual chin-up positioning. Three patients developed an eccentric horizontal gaze null point with compensatory anomalous face turn with onset 2 weeks, 2 years, and 3 years postoperatively. Average follow-up was 42.7 months. No postoperative pattern deviations, cyclodeviations, or inferior oblique overaction were seen. No surgical complications were noted.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions:<\/jats:title>\n            <jats:p>Bilateral superior oblique posterior 7\/8th tenectomy in conjunction with bilateral inferior rectus recession is a safe and effective procedure for improving chin-up head positioning in patients with horizontal nystagmus with a down gaze null point.<\/jats:p>\n            <jats:p>\n              <jats:bold>\n                [\n                <jats:italic>J Pediatr Ophthalmol Strabismus<\/jats:italic>\n                . 2018;55(4):234\u2013239.]\n              <\/jats:bold>\n            <\/jats:p>\n          <\/jats:sec>","DOI":"10.3928\/01913913-20180327-01","type":"journal-article","created":{"date-parts":[[2018,5,29]],"date-time":"2018-05-29T13:34:13Z","timestamp":1527600853000},"page":"234-239","source":"Crossref","is-referenced-by-count":1,"title":["The Role of Superior Oblique Posterior Tenectomy Along With Inferior Rectus Recessions for the Treatment of Chin-up Head Positioning in Patients With Nystagmus"],"prefix":"10.3928","volume":"55","author":[{"given":"Anna G.","family":"Escuder","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Milan P.","family":"Ranka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kathy","family":"Lee","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Julie N.","family":"Nam","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mark A.","family":"Steele","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2308","reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1136\/bjo.37.5.267"},{"key":"e_1_3_1_3_2","first-page":"599","article-title":"New operation for nystagmus","volume":"6","author":"Kestenbaum A","year":"1953","unstructured":"Kestenbaum A. 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