IJOHNS  Vol.3 No.1 , January 2014
Microdrill, Diode Laser, and Manual Microsurgical Stapedoplasty: A Comparative Study

Background: To evaluate hearing outcome, operation time and post-operative hospital stay after primary stapedoplasty with three different techniques: manual microsurgical, microdrill-assisted, and microdrill- and laser-assisted technique. Methods: A retrospective analysis of 150 consecutive cases of primary otosclerosis was operated by one surgeon. The patients were divided into three groups depending on the utilized surgical techniques: a fully manual microsurgical stapedoplasty (n = 56), microdrill-assisted stapedoplasty (n = 32), and microdrill- and laser-assisted stapedoplasty (n = 62). The mean pre- and post-operative air-bone gap was calculated by using pre- and post-operative mean pure tone air- and bone-conduction thresholds at 500, 1000, 2000 and 4000 Hz. Results: There were no statistically significant differences in the hearing outcome between the groups. The closure of air-bone gap and the improvement of the hearing were demonstrated in all study groups. Introduction of diode laser for stapes surgery resulted in significantly reduced operation time (about one-third) and the increase in the completion of surgery from 81.5% to 96.7%. At the same time, the rate of complications stayed low and hospital stay dropped from three days to one day. There were no major post-operative complications in any study groups. Conclusions: Application of diode laser in stapes surgery significantly reduced operation time and increased completion rate of surgery. No statistically significant difference was found between three surgical techniques regarding hearing outcome.

Cite this paper
P. Kasenõmm and M. Suurna, "Microdrill, Diode Laser, and Manual Microsurgical Stapedoplasty: A Comparative Study," International Journal of Otolaryngology and Head & Neck Surgery, Vol. 3 No. 1, 2014, pp. 4-8. doi: 10.4236/ijohns.2014.31002.
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