Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology · 2026
Tympano-stapedotomy With a New Semisynthetic TORP: A Less Invasive Alternative to Malleo-stapedotomy.
СтатьяНазвание и аннотация: Перевод в очереди
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Malafronte Giuseppe, Filosa Barbara, Trusio Antonio, Pecci Rudi, Mandalà Marco
Аннотация
OBJECTIVE: To present the initial clinical experience with tympano-stapedotomy using the new semisynthetic TORP (NSSTORP) in patients with stapes otosclerosis associated with malleus fixation and in stapedotomy revision with unusable incus, as a less invasive alternative to malleo-stapedotomy.
METHODS: Between June 2024 and June 2025, 6 patients (5 females, one male; mean age, 42.1 y) underwent tympano-stapedotomy at 2 tertiary referral centers: 3 primary cases with stapes otosclerosis and malleus fixation (Avellino) and 3 revision cases with incus necrosis (Siena). All procedures were performed under local anesthesia using a surgical microscope, and a 6.5-mm-long NSSTORP was implanted in every case. Pre- and postoperative audiometric evaluation included air conduction, bone conduction, and air-bone gap (ABG) at 0.5, 1, 2, and 3 kHz. The main outcome measure was postoperative ABG ≤20 dB. Follow-up ranged from 3 to 10 months (mean, 7.2 mo).
RESULTS: No patient experienced worsening of bone conduction, dizziness, or tinnitus. The pure-tone average improved from a preoperative mean of 48.9 dB (SD = 6.9) to a postoperative mean of 32.1 dB (SD = 8.4), for a mean hearing gain of 16.8 dB (SD = 4.5). The mean ABG decreased from 25.5 dB (SD = 3.8) to 11.4 dB (SD = 3.5), representing a mean improvement of 14.1 dB (SD = 3.0). A postoperative ABG of less than 20 dB was achieved in 100% of the cases.
CONCLUSION: Tympano-stapedotomy with the NSSTORP avoids the technically demanding steps of malleo-stapedotomy and eliminates vestibular penetration.
METHODS: Between June 2024 and June 2025, 6 patients (5 females, one male; mean age, 42.1 y) underwent tympano-stapedotomy at 2 tertiary referral centers: 3 primary cases with stapes otosclerosis and malleus fixation (Avellino) and 3 revision cases with incus necrosis (Siena). All procedures were performed under local anesthesia using a surgical microscope, and a 6.5-mm-long NSSTORP was implanted in every case. Pre- and postoperative audiometric evaluation included air conduction, bone conduction, and air-bone gap (ABG) at 0.5, 1, 2, and 3 kHz. The main outcome measure was postoperative ABG ≤20 dB. Follow-up ranged from 3 to 10 months (mean, 7.2 mo).
RESULTS: No patient experienced worsening of bone conduction, dizziness, or tinnitus. The pure-tone average improved from a preoperative mean of 48.9 dB (SD = 6.9) to a postoperative mean of 32.1 dB (SD = 8.4), for a mean hearing gain of 16.8 dB (SD = 4.5). The mean ABG decreased from 25.5 dB (SD = 3.8) to 11.4 dB (SD = 3.5), representing a mean improvement of 14.1 dB (SD = 3.0). A postoperative ABG of less than 20 dB was achieved in 100% of the cases.
CONCLUSION: Tympano-stapedotomy with the NSSTORP avoids the technically demanding steps of malleo-stapedotomy and eliminates vestibular penetration.