alexa The treatment of malignant endobronchial obstruction with laser ablation.
Chemical Engineering

Chemical Engineering

Journal of Analytical & Bioanalytical Techniques

Author(s): Taber SW, Buschemeyer WC rd, Fingar VH, Wieman TJ

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Abstract BACKGROUND: We compared a new endoscopic treatment for malignant endobronchial obstruction known as photodynamic therapy (PDT) with the more established therapy of neodymium: yttrium-aluminum garnet laser (Nd:YAG) therapy. METHODS: A retrospective review was conducted of the medical records at our institution from 1988 to 1999 of patients treated for bronchial obstruction by thermal laser vaporization (Nd:YAG) or by PDT using the tunable dye laser in combination with a light-sensitive dye (PDT). The Nd:YAG procedure vaporized the obstructing neoplasm, whereas the PDT procedure photoablated the obstruction. Thirty-day mortality and morbidity rates were analyzed for both treatment groups using chi-square analysis. RESULTS: Of the 102 patients who were suitable for review, 83 received treatment with the Nd:YAG laser and 19 patients received treatment with PDT. Morbidity rates were comparable in both groups (22\% for Nd:YAG vs 31\% for PDT; P > .05). Equally common complications in both groups were respiratory failure and hypoxemia. Five Nd:YAG patients (6\%) died within 30 days after treatment (3 of respiratory failure, 2 of massive hemoptysis), whereas 2 patients (10\%) in the PDT group (1 of massive hemoptysis, 1 of acute myocardial infarction) died (P > . 05). CONCLUSIONS: PDT and Nd:YAG have similar mortality and morbidity rates. In our experience, PDT is a better choice for the treatment of malignant bronchial obstruction because it is technically easier, potentially safer, and does not require general anesthesia.
This article was published in Surgery and referenced in Journal of Analytical & Bioanalytical Techniques

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