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Safety and efficacy of blue light laser treatment in hereditary hemorrhagic telangiectasia.
Lasers Surg. Med. 53, 309-315 (2021)
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Research data
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Background and Objectives: Hereditary hemorrhagic telangiectasia (HHT) is a hereditary condition that is associated with arteriovenous malformations. A common site for these malformations is the nasal mucosa, which is associated with severe epistaxis and debilitation for affected patients. We evaluated the efficacy and safety of blue light laser technology in treating these endonasal manifestations in a retrospective chart analysis. Additionally, we compared blue light laser technology to bipolar coagulation in an animal model. Study Design/Materials and Methods: We performed a retrospective chart analysis of all patients that were diagnosed with HHT and received endonasal blue light laser treatment between 10/2017 and 04/2019. In addition, we performed bipolar or blue light laser coagulation of all macroscopically visible vessels on thyroid gland lobes (n = 4) from Dunkin–Hartley Guinea Pigs. Hematoxylin-eosin (HE) staining was then used to visualize depth and area of coagulation surrounding these vessels. Results: One hundred and fifty-one treatments in 23 patients were analyzed. Under regular blue light laser treatment, quality of life (QOL), indicated on a visual analog scale from 1 to 10, gradually increased significantly from 5.6 ± 0.5 (before the first treatment) to 7.5 ± 0.9 (after the second treatment). Following this, QOL remained steady throughout additional treatments. Adverse effects were not recorded. HE staining showed that coagulation depth (162 ± 56 vs. 586 ± 192 µm) and area (74 ± 35 vs. 1015 ± 449 µm2) were significantly lower after laser treatment. Conclusion: Blue light laser therapy is safe and efficient in treating HHT. Damage to the surrounding tissue is significantly lower compared with bipolar coagulation. © 2020 The Authors. Lasers in Surgery and Medicine published by Wiley Periodicals LLC.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Blue Light Laser ; Hemorrhagic Hereditary Teleangiectasis ; Hht ; Laser ; Osler
ISSN (print) / ISBN
0196-8092
Journal
Lasers in Surgery and Medicine
Quellenangaben
Volume: 53,
Issue: 3,
Pages: 309-315
Publisher
Wiley
Publishing Place
New York, NY
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Translational Metabolic Oncology (IDC-TMO)