{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T15:52:05Z","timestamp":1789055525468,"version":"build-2803163510"},"reference-count":21,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2009,6,24]],"date-time":"2009-06-24T00:00:00Z","timestamp":1245801600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"NIH","award":["R01 DC008153"],"award-info":[{"award-number":["R01 DC008153"]}]},{"DOI":"10.13039\/100000055","name":"National Institute on Deafness and Other Communication Disorders","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100000055","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["The Laryngoscope"],"published-print":{"date-parts":[[2009,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives\/Hypothesis:<\/jats:title><jats:p>To measure the laryngeal resistance (R<jats:sub>L<\/jats:sub>), subglottal pressure (P<jats:sub>s<\/jats:sub>), and mean flow rate (MFR) of adductor (ADSD) and abductor (ABSD) spasmodic dysphonia patients using the airflow interrupter.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods:<\/jats:title><jats:p>The R<jats:sub>L<\/jats:sub> of six ABSD and seven ADSD patients was measured using the airflow interrupter, a noninvasive device designed to measure MFR and P<jats:sub>s<\/jats:sub> via mechanical balloon valve interruption. Subjects performed 10 trials at each of two intensity levels, with each trial consisting of a sustained \/a\/ during which phonation was interrupted for 500 ms. Laryngeal resistance was calculated as subglottal pressure divided by airflow.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results:<\/jats:title><jats:p>Mean R<jats:sub>L<\/jats:sub> for the ADSD and ABSD subtypes at 65 dB were 24.78 cmH<jats:sub>2<\/jats:sub>O\/L\/s and 14.51 cmH<jats:sub>2<\/jats:sub>O\/L\/s, respectively (<jats:italic>P<\/jats:italic> = .04). Mean R<jats:sub>L<\/jats:sub> at 70 dB were 40.02 cmH<jats:sub>2<\/jats:sub>O\/L\/s and 15.84 cmH<jats:sub>2<\/jats:sub>O\/L\/s (<jats:italic>P<\/jats:italic> = .014). P<jats:sub>s<\/jats:sub> for the ADSD and ABSD subtypes at 65 dB were 10.23 cmH<jats:sub>2<\/jats:sub>O and 8.32 cmH<jats:sub>2<\/jats:sub>O, respectively (<jats:italic>P<\/jats:italic> = .582). At the 70 dB level, P<jats:sub>s<\/jats:sub> were 12.39 cmH<jats:sub>2<\/jats:sub>O and 11.78 cmH<jats:sub>2<\/jats:sub>O (<jats:italic>P<\/jats:italic> = .886). MFR for the ADSD and ABSD subtypes at 65 dB were 435 mL\/s and 746 mL\/s (<jats:italic>P<\/jats:italic> = .205). Mean MFR at 70 dB were 518 mL\/s and 848 mL\/s (<jats:italic>P<\/jats:italic> = .198).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions:<\/jats:title><jats:p>Noninvasive measurements of R<jats:sub>L<\/jats:sub> may be useful for differentiating between ADSD and ABSD. This simple objective test, which produces a quantitative output, could be used to evaluate laryngeal function in patients with spasmodic dysphonia. Laryngoscope, 2009<\/jats:p><\/jats:sec>","DOI":"10.1002\/lary.20572","type":"journal-article","created":{"date-parts":[[2009,6,24]],"date-time":"2009-06-24T17:41:16Z","timestamp":1245865276000},"page":"1851-1855","source":"Crossref","is-referenced-by-count":24,"title":["Differentiating between adductor and abductor spasmodic dysphonia using airflow interruption"],"prefix":"10.1002","volume":"119","author":[{"given":"Matthew R.","family":"Hoffman","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jack J.","family":"Jiang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adam L.","family":"Rieves","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kelsey A. B.","family":"McElveen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Charles N.","family":"Ford","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2009,6,24]]},"reference":[{"key":"e_1_2_7_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/0021-9924(81)90037-X"},{"key":"e_1_2_7_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0892-1997(01)00038-8"},{"key":"e_1_2_7_4_2","first-page":"209","article-title":"Effect of neuromuscular activity on the response to botulinum toxin injections in spasmodic dysphonia","volume":"24","author":"Wong DL","year":"1995","journal-title":"J Otolaryngol"},{"key":"e_1_2_7_5_2","doi-asserted-by":"publisher","DOI":"10.1288\/00005537-199306000-00019"},{"key":"e_1_2_7_6_2","doi-asserted-by":"publisher","DOI":"10.1067\/mhn.2000.106400"},{"key":"e_1_2_7_7_2","doi-asserted-by":"publisher","DOI":"10.1177\/000348940010900808"},{"key":"e_1_2_7_8_2","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-199810000-00003"},{"key":"e_1_2_7_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0030-6665(20)31077-X"},{"key":"e_1_2_7_10_2","doi-asserted-by":"publisher","DOI":"10.1177\/000348940411300802"},{"key":"e_1_2_7_11_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.mlg.0000154739.48314.ee"},{"key":"e_1_2_7_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0892-1997(97)80029-X"},{"key":"e_1_2_7_13_2","doi-asserted-by":"publisher","DOI":"10.1067\/mhn.2000.107682"},{"key":"e_1_2_7_14_2","doi-asserted-by":"publisher","DOI":"10.1044\/jshr.3403.473"},{"key":"e_1_2_7_15_2","first-page":"5","volume-title":"Spastic Dysphonia: State of the Art 1984","author":"Freeman FJ","year":"1985"},{"key":"e_1_2_7_16_2","doi-asserted-by":"publisher","DOI":"10.1177\/019459989210700115"},{"key":"e_1_2_7_17_2","doi-asserted-by":"publisher","DOI":"10.1177\/000348949810700605"},{"key":"e_1_2_7_18_2","doi-asserted-by":"publisher","DOI":"10.1177\/000348948509400107"},{"key":"e_1_2_7_19_2","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-199903000-00016"},{"key":"e_1_2_7_20_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvoice.2007.09.005"},{"key":"e_1_2_7_21_2","doi-asserted-by":"publisher","DOI":"10.1044\/jshr.3901.105"},{"key":"e_1_2_7_22_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.mlg.0000184315.00648.2f"}],"container-title":["The Laryngoscope"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Flary.20572","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1002%2Flary.20572","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/lary.20572","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,9]],"date-time":"2023-10-09T14:23:09Z","timestamp":1696861389000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/lary.20572"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,6,24]]},"references-count":21,"journal-issue":{"issue":"9","published-print":{"date-parts":[[2009,9]]}},"alternative-id":["10.1002\/lary.20572"],"URL":"https:\/\/doi.org\/10.1002\/lary.20572","archive":["Portico"],"relation":{},"ISSN":["0023-852X","1531-4995"],"issn-type":[{"value":"0023-852X","type":"print"},{"value":"1531-4995","type":"electronic"}],"subject":[],"published":{"date-parts":[[2009,6,24]]}}}