{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,29]],"date-time":"2026-08-29T19:16:00Z","timestamp":1788030960841,"version":"build-2784847793"},"reference-count":33,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T00:00:00Z","timestamp":1783382400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T00:00:00Z","timestamp":1783382400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["aao-hnsfjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Otolaryngol.--head neck surg."],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>Accurate needle localization is a key challenge in the cricothyroid (CT) approach to vocal fold injection (VFI) due to invisibility. Real\u2010time light\u2010guided VFI (RL\u2010VFI) was developed to enhance precision through simultaneous light guidance. This study aimed to evaluate safety and feasibility of office\u2010based RL\u2010VFI with hyaluronic acid (HA) in a large\u2010scale (&gt;300), consecutive patients with unilateral vocal fold paralysis (UVFP).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Retrospective cohort study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Setting<\/jats:title>\n                    <jats:p>Tertiary referral center.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A total of 378 RL\u2010VFI with HA were consecutively performed on 257 UVFP patients. Complications were monitored intraoperatively and for 4 weeks post\u2010procedure. Voice outcomes were assessed using voice handicap index (VHI)\u201010, grade, roughness, breathiness, asthenia, and strain (GRBAS) scale, acoustic analysis, and aerodynamic study at baseline and 4 weeks postoperatively.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Most cases involved left\u2010sided paralysis (83.7%), primarily due to surgery (63.4%) or metastasis (26.1%). In all cases, HA was injected at the intended point in the paralyzed vocal fold under light guidance, with no superficial injection or mucosal penetration. Average procedure time was 114.0\u2009\u00b1\u2009105.1\u2009seconds for the initial injection and 80.6\u2009\u00b1\u200977.7\u2009seconds for additional injections. No serious acute or delayed complications occurred. Among 180 cases with complete voice assessments, significant improvements were observed in voice\u2010related parameters including VHI\u201010, GRBAS scale, maximum phonation time, mean expiratory airflow, jitter, shimmer, and noise\u2010to\u2010harmonics ratio.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>RL\u2010VFI with HA is a feasible and safe technique for treating patients with UVFP. It enables precise confirmation of needle tip localization and facilitates accurate injection into the intended target during the CT approach.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ohn.70325","type":"journal-article","created":{"date-parts":[[2026,7,7]],"date-time":"2026-07-07T15:12:30Z","timestamp":1783437150000},"page":"664-671","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Real\u2010Time Light\u2010Guided Vocal Fold Injection for Unilateral Vocal Fold Paralysis: Experience From 378 Consecutive Cases"],"prefix":"10.1002","volume":"175","author":[{"given":"Seo Young","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology\u2010Head and Neck Surgery, Chung\u2010Ang University Hospital Chung\u2010Ang University College of Medicine Seoul Republic of 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