Lasers in digestive endoscopy

Jean Marc Brunetaud; Vincent Maunoury M.D.; Dominique Cochelard

doi:10.1117/12.259675

1 January 1997 Lasers in digestive endoscopy

Jean Marc Brunetaud, Vincent Maunoury M.D., Dominique Cochelard

Author Affiliations +

Journal of Biomedical Optics, Vol. 2, Issue 1, (January 1997). https://doi.org/10.1117/12.259675

Abstract

Lasers were introduced in digestive endoscopy to stop active gastroduodenal hemorrhages. Their use spread progressively to the treatment of chronic hemorrhages from vascular malformations and sessile tumors. Lasers face competition from other endoscopic techniques such as electrocoagulation, injection techniques, dilation, stents, and brachytherapy. Many series have reported the efficacy of lasers in digestive endoscopy used for their thermal or photochemical effects. However, they were gradually abandoned for the treatment of hemorrhages because of competition from nonlaser techniques. Lasers are still used for ablation of sessile tumors, but their true impact is difficult to evaluate. Modern methods of technology assessment did not allow gastroenterologists to clearly define the place of lasers among surgery, radio-chemotherapy, and other endoscopic techniques, and data on the daily use of lasers are not available. Therefore, the conclusion can only be subjective. The best current application of thermal lasers appears to be in the treatment of rectosigmoid villous adenomas in elderly patients. Small superficial rectal cancers may also become a good subject due to the impact of endoscopic ultrasonography. Early lesions with multifocal or diffuse disease such as early esophageal cancers could be the most promising subject of application for photodynamic therapy in the future.

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Jean Marc Brunetaud, Vincent Maunoury M.D., and Dominique Cochelard "Lasers in digestive endoscopy," Journal of Biomedical Optics 2(1), (1 January 1997). https://doi.org/10.1117/12.259675

Published: 1 January 1997

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KEYWORDS

Endoscopy

Tumors

Nd:YAG lasers

Laser therapeutics

Cancer

Tissues

Photodynamic therapy

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