Erbium laser in middle ear surgery: in vitro and in vivo animal study

The Laryngoscope
U K ShahS M Shapshay

Abstract

Cadaveric human temporal bones, cadaveric rabbits, and live rats were used to demonstrate the utility and safety of the erbium:yttrium-scandium-gallium-garnet (Er:YSGG) laser for otologic applications. The shallow penetration in water of this wave-length and its ability to ablate bony tissue with minimal collateral thermal effects spare underlying and adjacent structures and make it appealing for stapedotomy. The authors were able to satisfactorily perform small fenestra stapedotomy, atticotomy facial nerve decompression, and mastoidectomy. Temperature measurements from the round window area during Er:YSGG stapedotomy recorded an elevation of less than 2 degrees C, which is well within acceptable limits. An acoustic shock produced at the impact site is the major disadvantage and requires further in vivo investigation of the transient and sustained deleterious effects away from the application site. This work supports further investigation into potential applications of the Er:YSGG laser in otology.

References

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Citations

Jun 30, 2001·Lasers in Surgery and Medicine·B M LippertJ A Werner
Mar 14, 2002·Lasers in Surgery and Medicine·William B ArmstrongBrent C Stuart
Oct 2, 2002·Lasers in Surgery and Medicine·Michael DitkoffStanley M Shapshay
Dec 20, 2005·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Jacopo GalliGaetano Paludetti
Feb 6, 2008·Photomedicine and Laser Surgery·Ryan G McCaugheyMark R Dickinson
May 6, 2011·Lasers in Medical Science·Livia Rodrigues PerussiRosemary Adriana Chierici Marcantonio
Dec 10, 2002·Journal of Clinical Laser Medicine & Surgery·Xiaogu WangKoukichi Matsumoto
Jan 5, 2002·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·T KeckH Riechelmann
May 12, 2001·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·A HuberU Fisch
Feb 9, 2005·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Diego ZanettiLuca O Redaelli de Zinis
Oct 11, 2001·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·E M Michaelides, J M Kartush
May 1, 2000·The Laryngoscope·Dennis S Poe

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