International journal of pediatric otorhinolaryngology · 2021
Long term outcomes of canal wall up and canal wall down tympanomastoidectomies in pediatric cholesteatoma.
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Piras Gianluca, Sykopetrites Vittoria, Taibah Abdelkader, Russo Alessandra, Caruso Antonio, Grinblat Golda, Sanna Mario
Аннотация
UNLABELLED: Cholesteatomas in children have a more aggressive growth pattern compared to adults, which leads to a higher incidence of both residual and recurrent disease. A staged canal wall-up or a canal wall-down tympanomastoidectomy (CWUT and CWDT, respectively) is selected depending on the extent of the disease and condition of the middle ear (ME) cleft and mastoid. Endoscopic ear surgery (EES) has been recently introduced as an adjuvant tool for the treatment of this pathology even in the pediatric population.
OBJECTIVES: To analyze long term outcomes of CWUT and CWDT in the pediatric population, focusing on residual and recurrence rates of cholesteatoma and hearing results. A literature review including cases treated with EES were discussed.
MATERIAL AND METHODS: Pediatric patients treated for cholesteatoma involving both the ME and mastoid with a follow-up (FU) of at least 4 years were retrospectively analyzed in a quaternary referral center for otology and lateral skull base surgery. Patients were grouped according to the surgical technique (CWUT versus CWDT). Rates of residual and recurrent cholesteatoma after each surgical technique were reported and compared. Mean Air-Bone Gap (ABG) of 0.5-1-2-4 KHz was measured and reported before the first surgery and at the last post-operative FU.
RESULTS: Two-hundred and thirty-six cases fulfilled our inclusion criteria. The mean FU was 100.4 ± 44.2 months (median 89 months). One-hundred and five (44.5%) cases underwent a CWUT, whereas 131 (55.5%) a CWDT. A second stage surgery was performed in 73.5% of CWUT and 58.7% of CWDT. Among the CWUT group, residual cholesteatoma occurred in 22 (21%) ears and recurrence in 24 (22.9%). Patients undergoing CWDT showed lower rates of both residual and recurrent cholesteatoma (7.6% and 2.3%, respectively). ABG improvement was noted for both groups, even though CWUT showed better post-operative hearing results.
CONCLUSIONS: The CWDT technique offers a definite surgical therapy, with minimal residual and recurrence rates and audiological results comparable to the CWUT technique. EES must still prove its added benefit or equivalence to pure microscopic approaches.
OBJECTIVES: To analyze long term outcomes of CWUT and CWDT in the pediatric population, focusing on residual and recurrence rates of cholesteatoma and hearing results. A literature review including cases treated with EES were discussed.
MATERIAL AND METHODS: Pediatric patients treated for cholesteatoma involving both the ME and mastoid with a follow-up (FU) of at least 4 years were retrospectively analyzed in a quaternary referral center for otology and lateral skull base surgery. Patients were grouped according to the surgical technique (CWUT versus CWDT). Rates of residual and recurrent cholesteatoma after each surgical technique were reported and compared. Mean Air-Bone Gap (ABG) of 0.5-1-2-4 KHz was measured and reported before the first surgery and at the last post-operative FU.
RESULTS: Two-hundred and thirty-six cases fulfilled our inclusion criteria. The mean FU was 100.4 ± 44.2 months (median 89 months). One-hundred and five (44.5%) cases underwent a CWUT, whereas 131 (55.5%) a CWDT. A second stage surgery was performed in 73.5% of CWUT and 58.7% of CWDT. Among the CWUT group, residual cholesteatoma occurred in 22 (21%) ears and recurrence in 24 (22.9%). Patients undergoing CWDT showed lower rates of both residual and recurrent cholesteatoma (7.6% and 2.3%, respectively). ABG improvement was noted for both groups, even though CWUT showed better post-operative hearing results.
CONCLUSIONS: The CWDT technique offers a definite surgical therapy, with minimal residual and recurrence rates and audiological results comparable to the CWUT technique. EES must still prove its added benefit or equivalence to pure microscopic approaches.