{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T06:38:16Z","timestamp":1791873496839,"version":"4.3.4"},"reference-count":39,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2016,8,24]],"date-time":"2016-08-24T00:00:00Z","timestamp":1471996800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["DFG HU441\/18\u20101"],"award-info":[{"award-number":["DFG HU441\/18\u20101"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Laryngoscope"],"published-print":{"date-parts":[[2017,2]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>We aimed to determine whether the pattern of olfactory impairment seen in psychophysical testing reflects underlying disease etiology.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Retrospective cohort.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We performed a retrospective analysis of 1,226 patients from our tertiary referral center. Only hyposmic patients with the following conditions were included: postinfectious hyposmia, posttraumatic hyposmia, hyposmia secondary to sinonasal disease, and hyposmia secondary to Parkinson disease. Patients with anosmia were excluded.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Using a repeated measures analysis of variance (within subject factor \u201ctest\u201d: threshold [T], discrimination [D], identification [I]; between subject factor: \u201cetiology\u201d) with posthoc Bonferroni corrected\n                      <jats:italic>t<\/jats:italic>\n                      tests, we found significant interaction between the factors \u201ctest\u201d and \u201cetiology\u201d (F\n                      <jats:sub>6,2444<\/jats:sub>\n                      = 8.46,\n                      <jats:italic>P<\/jats:italic>\n                      &lt; 0.001), indicating that different causes of hyposmia produce different patterns of olfactory loss with respect to the individual subtests T, D, and I . Specifically, patients with Parkinson disease performed relatively well in odor threshold testing, but poorly in odor identification and discrimination compared with the other etiology groups. Conversely, patients with sinonasal disease performed well in odor identification and discrimination but poorly in odor threshold. Patients with postinfectious and posttraumatic hyposmia performed relatively well in both thresholds and discrimination but poorly in identification. However, patients with posttraumatic hyposmia had globally reduced scores compared with the other groups.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This is the first study to comprehensively show that patterns of olfactory impairment reflect underlying disease etiology. We suggest that multicomponent olfactory testing should be performed, especially if there is diagnostic uncertainty. However, to clearly separate different patterns of olfactory loss to the various causes at an individual level, more work is needed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>\n                      4.\n                      <jats:italic>Laryngoscope<\/jats:italic>\n                      , 2016 127:291\u2013295, 2017\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/lary.26229","type":"journal-article","created":{"date-parts":[[2016,8,24]],"date-time":"2016-08-24T09:22:48Z","timestamp":1472030568000},"page":"291-295","source":"Crossref","is-referenced-by-count":144,"title":["Patterns of olfactory impairment reflect underlying disease etiology"],"prefix":"10.1002","volume":"127","author":[{"given":"Katherine L.","family":"Whitcroft","sequence":"first","affiliation":[{"name":"Smell and Taste Clinic, Department of Otorhinolaryngology Technische Universit\u00e4t Dresden Dresden Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mandy","family":"Cuevas","sequence":"additional","affiliation":[{"name":"Smell and Taste Clinic, Department of Otorhinolaryngology Technische Universit\u00e4t Dresden Dresden Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Antje","family":"Haehner","sequence":"additional","affiliation":[{"name":"Smell and Taste Clinic, Department of Otorhinolaryngology Technische Universit\u00e4t Dresden Dresden Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Hummel","sequence":"additional","affiliation":[{"name":"Smell and Taste Clinic, Department of Otorhinolaryngology Technische Universit\u00e4t Dresden Dresden Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2016,8,24]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00415-008-0807-9"},{"key":"e_1_2_7_3_1","unstructured":"Action on Hearing Loss Information.Facts and figures on deafness and tinnitus. 2011. 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