New 445 nm blue laser for laryngeal surgery combines photoangiolytic and cutting properties
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New 445 nm blue laser for laryngeal surgery combines photoangiolytic and cutting properties. / Hess, Markus M; Fleischer, Susanne; Ernstberger, Marcel.
in: EUR ARCH OTO-RHINO-L, Jahrgang 275, Nr. 6, 06.2018, S. 1557-1567.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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TY - JOUR
T1 - New 445 nm blue laser for laryngeal surgery combines photoangiolytic and cutting properties
AU - Hess, Markus M
AU - Fleischer, Susanne
AU - Ernstberger, Marcel
PY - 2018/6
Y1 - 2018/6
N2 - BACKGROUND: Photoangiolytic lasers have broadened the surgical armamentarium for many phonosurgical interventions. However, the pulse dye laser and potassium titanyl phosphate (KTP) laser have technical drawbacks and a smaller spectrum of indications.METHODS AND RESULTS: The new 445 nm wavelength laser, the so-called 'blue laser', proves to show tissue effects comparable to the KTP laser and is also capable of treating subepithelial vessels due to its photoangiolytic properties, it can coagulate and carbonize at higher energy levels, and can be used via glass fibers in non-contact and contact mode for in-office procedures.DISCUSSION: In contrast to the KTP, the new 445 nm laser can also be used as a cutting laser, thus combining very much wanted properties of diode or CO2 lasers with photoangiolytic lasers. Further advantages of the new laser are the; (1) portability of the shoe box sized, shock-proof laser machine for in-office and operating room usage, (2) the selection of pulse rates from continuous wave (cw) to less than a millisecond, (3) stronger tissue effects compared to KTP with similar energy and pulse settings, (4) far better cutting properties than the KTP, and thus (5) more possibilities for usage in laryngology as well as in other fields or surgery.CONCLUSION: We demonstrate the feasibility of the 445 nm laser in several laboratory experiments and show clinical cases where photoangiolysis and cutting was possible. However, this is a preliminary report and further systematic studies in greater numbers are warranted.
AB - BACKGROUND: Photoangiolytic lasers have broadened the surgical armamentarium for many phonosurgical interventions. However, the pulse dye laser and potassium titanyl phosphate (KTP) laser have technical drawbacks and a smaller spectrum of indications.METHODS AND RESULTS: The new 445 nm wavelength laser, the so-called 'blue laser', proves to show tissue effects comparable to the KTP laser and is also capable of treating subepithelial vessels due to its photoangiolytic properties, it can coagulate and carbonize at higher energy levels, and can be used via glass fibers in non-contact and contact mode for in-office procedures.DISCUSSION: In contrast to the KTP, the new 445 nm laser can also be used as a cutting laser, thus combining very much wanted properties of diode or CO2 lasers with photoangiolytic lasers. Further advantages of the new laser are the; (1) portability of the shoe box sized, shock-proof laser machine for in-office and operating room usage, (2) the selection of pulse rates from continuous wave (cw) to less than a millisecond, (3) stronger tissue effects compared to KTP with similar energy and pulse settings, (4) far better cutting properties than the KTP, and thus (5) more possibilities for usage in laryngology as well as in other fields or surgery.CONCLUSION: We demonstrate the feasibility of the 445 nm laser in several laboratory experiments and show clinical cases where photoangiolysis and cutting was possible. However, this is a preliminary report and further systematic studies in greater numbers are warranted.
KW - Female
KW - Humans
KW - Laryngeal Diseases
KW - Laryngoscopy
KW - Laser Therapy
KW - Phototherapy
KW - Tissue Culture Techniques
KW - Case Reports
KW - Journal Article
U2 - 10.1007/s00405-018-4974-8
DO - 10.1007/s00405-018-4974-8
M3 - SCORING: Journal article
C2 - 29675755
VL - 275
SP - 1557
EP - 1567
JO - EUR ARCH OTO-RHINO-L
JF - EUR ARCH OTO-RHINO-L
SN - 0937-4477
IS - 6
ER -