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- Publisher Website: 10.1080/02656736.2017.1328130
- Scopus: eid_2-s2.0-85020247616
- PMID: 28540836
- WOS: WOS:000418118000005
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Article: Vocal cord paresis following single-session high intensity focused ablation (HIFU) treatment of benign thyroid nodules: incidence and risk factors
Title | Vocal cord paresis following single-session high intensity focused ablation (HIFU) treatment of benign thyroid nodules: incidence and risk factors |
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Authors | |
Keywords | benign thyroid nodule focused ultrasound recurrent laryngeal nerve thermal ablation vocal cord palsy |
Issue Date | 2017 |
Publisher | Informa Healthcare. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/02656736.asp |
Citation | International Journal of Hyperthermia, 2017, v. 33 n. 8, p. 888-894 How to Cite? |
Abstract | Background: Vocal cord paresis (VCP) may occur following high intensity focused ultrasound (HIFU) of thyroid nodules. We hypothesised its occurrence relates to the distance of the focus point (FP) of the HIFU beams from the recurrent laryngeal nerve (RLN) and the thermal power that this point received. Their relationships were examined. Methods: One hundred and three patients who underwent HIFU for symptomatic benign thyroid nodule from October 2015 to March 2017 were analysed. All treatment images were captured and were later watched by 2 reviewers to identify three FPs closest to the tracheoesophageal groove (TEG) on transverse sonographic view. TEG was taken as the RLN position. After identifying these FPs, their distance (mm) from the TEG, thermal power (W) used and depth from skin (mm) were recorded. These parameters were compared between those with and without VCP. VCP was defined as a cord with reduced or no movement. Results: Four (3.9%) patients suffered from a unilateral VCP afterwards but they all recovered fully within 6 weeks. There were no significant differences in baseline characteristics and treatment efficacy between the two groups. The distance from TEG (OR = 1.706, 95%CI = 1.001 to 2.915, p = 0.050) was the only significant factor for VCP. None of the other variables including thermal power were significant. Conclusions: The incidence of VCP was 3.9% (4/103) and they completely recovered within 6 weeks. The distance between the FP and the TEG was the only related factor for VCP. The safe distance between FP and TEG should be ≥1.1 cm. © 2017 Informa UK Limited, trading as Taylor & Francis Group. |
Persistent Identifier | http://hdl.handle.net/10722/241791 |
ISSN | 2023 Impact Factor: 3.0 2023 SCImago Journal Rankings: 0.827 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Lang, HHB | - |
dc.contributor.author | Woo, YC | - |
dc.contributor.author | Chiu, WHK | - |
dc.date.accessioned | 2017-06-20T01:48:36Z | - |
dc.date.available | 2017-06-20T01:48:36Z | - |
dc.date.issued | 2017 | - |
dc.identifier.citation | International Journal of Hyperthermia, 2017, v. 33 n. 8, p. 888-894 | - |
dc.identifier.issn | 0265-6736 | - |
dc.identifier.uri | http://hdl.handle.net/10722/241791 | - |
dc.description.abstract | Background: Vocal cord paresis (VCP) may occur following high intensity focused ultrasound (HIFU) of thyroid nodules. We hypothesised its occurrence relates to the distance of the focus point (FP) of the HIFU beams from the recurrent laryngeal nerve (RLN) and the thermal power that this point received. Their relationships were examined. Methods: One hundred and three patients who underwent HIFU for symptomatic benign thyroid nodule from October 2015 to March 2017 were analysed. All treatment images were captured and were later watched by 2 reviewers to identify three FPs closest to the tracheoesophageal groove (TEG) on transverse sonographic view. TEG was taken as the RLN position. After identifying these FPs, their distance (mm) from the TEG, thermal power (W) used and depth from skin (mm) were recorded. These parameters were compared between those with and without VCP. VCP was defined as a cord with reduced or no movement. Results: Four (3.9%) patients suffered from a unilateral VCP afterwards but they all recovered fully within 6 weeks. There were no significant differences in baseline characteristics and treatment efficacy between the two groups. The distance from TEG (OR = 1.706, 95%CI = 1.001 to 2.915, p = 0.050) was the only significant factor for VCP. None of the other variables including thermal power were significant. Conclusions: The incidence of VCP was 3.9% (4/103) and they completely recovered within 6 weeks. The distance between the FP and the TEG was the only related factor for VCP. The safe distance between FP and TEG should be ≥1.1 cm. © 2017 Informa UK Limited, trading as Taylor & Francis Group. | - |
dc.language | eng | - |
dc.publisher | Informa Healthcare. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/02656736.asp | - |
dc.relation.ispartof | International Journal of Hyperthermia | - |
dc.rights | International Journal of Hyperthermia. Copyright © Informa Healthcare. | - |
dc.subject | benign thyroid nodule | - |
dc.subject | focused ultrasound | - |
dc.subject | recurrent laryngeal nerve | - |
dc.subject | thermal ablation | - |
dc.subject | vocal cord palsy | - |
dc.title | Vocal cord paresis following single-session high intensity focused ablation (HIFU) treatment of benign thyroid nodules: incidence and risk factors | - |
dc.type | Article | - |
dc.identifier.email | Lang, HHB: Blang@hku.hk | - |
dc.identifier.email | Woo, YC: wooyucho@hku.hk | - |
dc.identifier.email | Chiu, WHK: kwhchiu@hku.hk | - |
dc.identifier.authority | Lang, HHB=rp01828 | - |
dc.identifier.authority | Chiu, WHK=rp02074 | - |
dc.description.nature | link_to_OA_fulltext | - |
dc.identifier.doi | 10.1080/02656736.2017.1328130 | - |
dc.identifier.pmid | 28540836 | - |
dc.identifier.scopus | eid_2-s2.0-85020247616 | - |
dc.identifier.hkuros | 272552 | - |
dc.identifier.volume | 33 | - |
dc.identifier.issue | 8 | - |
dc.identifier.spage | 888 | - |
dc.identifier.epage | 894 | - |
dc.identifier.isi | WOS:000418118000005 | - |
dc.publisher.place | United Kingdom | - |
dc.identifier.issnl | 0265-6736 | - |