New equipment for otologic surgery developed at HCPA (microcautery).
Part II - Study in human beings
DOI:
https://doi.org/10.22491/2357-9730.125218Keywords:
Otosurgery, hermostasis, thermocauterizationAbstract
OBJECTIVE: To describe the evaluation, in middle ear surgeries in human beings, of the Lavinsky/HCPA otologic microcautery .
MATERIALS AND METHODS: Twenty-four patients with indication for unilateral or bilateral stapedoctomies and tympanoplasties were selected. Patients presenting
systemic diseases, non controlled systemic arterial hypertension and blood dyscrasia were excluded. Patients were divideded into two groups: 12 were operated with the microcautery and 12 without it. Surgeries were videotaped and evaluated by two otologic surgeries, blind to the kind of procedure used. Surgeries were classified as excellent, good, regular and poor. Hemostasis was the parameter considered in the evaluation.
RESULTS: The evaluators considered as excellent the overall outcome of all surgeries performed with the microcautery. In the control group, one evaluator qualified 42% of surgeries as poor and 58% as regular.
CONCLUSIONS: The utilization of the microcautery had concrete benefits in comparison with conventional methods.
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