Hydroxyapatite Granules For Mastoid Cavity Obliteration: A Study Of 25 Cases
2004
Standard surgery for atticoantral disease is modified radical mastoidectomy, which results in open cavity problems mainly debris, discharge, dizziness and dependence on the surgeon for cleaning the cavity at regular intervals. In this study of 25 patients (age 5-60), porous hydroxyapatite, which is an osteogenic bone analogue, was used to achieve reduction in mastoid bowl size and decrease cavity problems. To prevent extrusion, an inferiorly based periosteal flap was devised. Complete epithelization with absence of discharge in 21(84%) cases with no other cavity problems was reported. An average (2.04dB) shortening of AB gap was also noted.
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