Palliative treatment of malignant stenoses of the lower airways with the FIBERTOM Nd:YAG laser

Michal Pirozynski; Malgorzata Polubiec-Kownacka; Krzysztof Strojecki; Antoni Blachnio; Wieslaw Pawlak; Jan Krusiewicz

doi:10.1117/12.236820

27 March 1996 Palliative treatment of malignant stenoses of the lower airways with the FIBERTOM Nd:YAG laser

Michal Pirozynski, Malgorzata Polubiec-Kownacka, Krzysztof Strojecki, Antoni Blachnio, Wieslaw Pawlak, Jan Krusiewicz

Proceedings Volume 2781, Lasers in Medicine; (1996) https://doi.org/10.1117/12.236820
Event: Lasers in Medicine, 1995, Warsaw-Zegrze, Poland

Abstract

Neodymium yttrium aluminum garnet (Nd:YAG) laser, with its infrared wavelength of 1064 nm, is at present the most useful modality in treatment of lower airways obstruction of the lower airways by malignant and benign lesions. In fact that was the first indication for a successful restoration of a narrowed airway by Toty et al. The therapeutical effects of this laser are based on thermal action. The exposed tissue undergoes a progressive transformation by a localized increase in the temperature from warming, protein coagulation, to evaporation of water and vaporization of the tissue. This study represents the initial experience with the use of the FIBERTOM^TM Nd:YAG laser in removal of obstructing malignant and non- malignant lesions of the lower airways. Twenty-six patients (mean age 55.7 plus or minus 17.4 years) were included in the study. The main indications for laser therapy were in 16 patients exophytic cancerous lesions of the trachea and main bronchi, benign tumors of the major airways in 6, and in 4 cancerous lesions of the lobar bronchi. Squamous cell lung cancer and adenocarcinoma were diagnosed most often. The degree of obstruction ranged from 70% to 99%. Complete recanalization was achieved in 19 of the 26 patients, in only one patient recanalization was not achieved. The major complication was fever -- seen in 17 (65.4%) patients and cough (19.2%). Long term observation identified 18 patients alive after 52 weeks following laser therapy.

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Michal Pirozynski, Malgorzata Polubiec-Kownacka, Krzysztof Strojecki, Antoni Blachnio, Wieslaw Pawlak, and Jan Krusiewicz "Palliative treatment of malignant stenoses of the lower airways with the FIBERTOM Nd:YAG laser", Proc. SPIE 2781, Lasers in Medicine, (27 March 1996); https://doi.org/10.1117/12.236820

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KEYWORDS

Laser therapeutics

Nd:YAG lasers

Tumors

Lung cancer

Tissues

Fiber lasers

Laser cutting

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