{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T14:09:53Z","timestamp":1787062193780,"version":"build-2736575974"},"reference-count":10,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2011,12,27]],"date-time":"2011-12-27T00:00:00Z","timestamp":1324944000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aao-hnsfjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Otolaryngol.--head neck surg."],"published-print":{"date-parts":[[2012,4]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>(1) Characterize risk factors for subsequent tonsillectomy in pediatric patients undergoing primary adenoidectomy for upper airway obstruction. (2) Compare rates of subsequent tonsillectomy between adenoidectomy patients with and without upper airway obstruction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Historical cohort study with a nested case\u2010control study. Cohort data were analyzed using Kaplan\u2010Meier plots and a multiple regression model. Case\u2010control data were analyzed using logistic regression.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Subjects and Methods<\/jats:title>\n                    <jats:p>Patients undergoing adenoidectomy without tonsillectomy at the University of Missouri between 1995 and 2010 were identified using billing records and selected chart review. A nested case\u2010control study with detailed chart review was conducted to determine predictors of subsequent tonsillectomy in patients with upper airway obstruction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of 1291 patients identified in the historical cohort, 7.8% later underwent tonsillectomy. Age younger than 3 years (\n                      <jats:italic>P<\/jats:italic>\n                      =. 027), female sex (\n                      <jats:italic>P<\/jats:italic>\n                      &lt;. 0001), and upper airway obstruction (\n                      <jats:italic>P<\/jats:italic>\n                      =. 001) were found to be significant predictors of subsequent tonsillectomy. In the nested case\u2010control study, potential predictors investigated included adenoidectomy indications, symptoms, smoke exposure, weight, comorbidities, and tonsil size at the time of adenoidectomy. Of these, only tonsil size was significant, with an increased odds of future tonsillectomy of 2.5 (\n                      <jats:italic>P<\/jats:italic>\n                      =. 01) for each unit increase in tonsil size.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Patients undergoing adenoidectomy for upper airway obstruction are likely to be at an increased risk of subsequent tonsillectomy when compared with those with other indications. Within this subgroup of patients with upper airway obstruction, young age, female sex, and large tonsil size may further increase the risk of subsequent tonsillectomy.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0194599811430912","type":"journal-article","created":{"date-parts":[[2011,12,27]],"date-time":"2011-12-27T22:13:05Z","timestamp":1325023985000},"page":"647-652","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Predictors of Tonsillectomy after Previous Adenoidectomy for Upper Airway Obstruction"],"prefix":"10.1002","volume":"146","author":[{"given":"Eliav","family":"Gov\u2010Ari","sequence":"first","affiliation":[{"name":"University of Missouri Department of Otolaryngology\u2013Head and Neck Surgery Columbia Missouri USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan C.","family":"Mills","sequence":"additional","affiliation":[{"name":"University of Missouri Department of Otolaryngology\u2013Head and Neck Surgery Columbia Missouri USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keith J.","family":"Basler","sequence":"additional","affiliation":[{"name":"University of Missouri Department of Otolaryngology\u2013Head and Neck Surgery Columbia Missouri USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2011,12,27]]},"reference":[{"key":"e_1_2_8_2_2","unstructured":"CullenKA HallMJ GolosinskiyA.Ambulatory surgery in the United States 2006. National Center for Health Statistics Center for Disease Control Website.National Health Statistics Report Number11 September 2009.http:\/\/www.cdc.gov\/nchs\/data\/nhsr\/nhsr011.pdf. Accessed August 10 2011."},{"key":"e_1_2_8_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.otohns.2009.01.044"},{"key":"e_1_2_8_4_2","doi-asserted-by":"publisher","DOI":"10.1001\/archotol.131.3.252"},{"key":"e_1_2_8_5_2","volume-title":"CPT\/RVU 2010: Current Procedural Terminology","author":"American Medical Association","year":"2009"},{"key":"e_1_2_8_6_2","unstructured":"National Center for Health Statistics.Classification of Diseases and Injuries.2009.. 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