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September 1989

Comparison of Small Fenestra Stapedotomies With and Without KTP 532 Laser

Author Affiliations

Chapel Hill, NC

Arch Otolaryngol Head Neck Surg. 1989;115(9):1027. doi:10.1001/archotol.1989.01860330017004

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At the meeting of the Southern Section of the Triological Society in Naples, Fla, Drs Herbert Silverstein and Seth Rosenberg, Sarasota, Fla, and Dr Raleigh Jones, Lexington, Ky, presented a paper comparing small fenestra stapedotomies with and without the KTP 532 laser. Thirty-three consecutive cases of small fenestra stapedotomies using conventional techniques were compared with 33 consecutive stapedotomies using the argon or KTP 532 laser. The ossicular chain was reconstructed using a polytef wire piston (0.6 mm in diameter). Of the group that underwent laser therapy, 91% had either overclosure of the air-bone gap or closure within 10 dB, as compared with 72% of the patients who underwent an operation using conventional techniques. The KTP laser offered advantages in that the surgeon was able to produce an atraumatic bloodless opening in a fixed or mobile stapes without mechanical manipulation. The laser was used to lyse the stapedius tendon, vaporize the

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