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  • Title: [Clinical observation on the treatment of intractable otomastoiditis with reconstruction of external auditory canal wall].
    Author: Xiong W, Wang LE, Liu Y, Peng Z, Xie J, Gong SS.
    Journal: Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi; 2017 Aug 20; 31(16):1238-1242. PubMed ID: 29798369.
    Abstract:
    Objective:To observe the clinical effect on the treatment of intractable tympanitis with reconstruction of external auditory canal wall.Method:Five cases underwent radical removel of residual lesion and reconsruction of external auditory posterior canal wall using hydroxyapatite ceramic wall with transferred pedicle temporalis fascia covering on it were analyzed. The implement of ossicular chain reconstruction depends on the probing for tympanic cavity intraoperatively. Periodic review were conducted in the 1st, 3rd, 6th, 12th month after surgery.Result:All 5 cases gained dryears within 3 months after surgery, in which hearing of 3 cases improved and ABG were within 20 dB. 1 cases showed no improvement compared to preoperation, and 1 case gained a worse audiology result. Central part of the transplant of 1 case was naked, while peripheral part had been epithelization and external auditory canal gained no accessible to mastoid cavity, the patient were also found recurrence of cholesteatom inside the mastoid cavity when received CT examination during outpatient follow-up one year postoperatively, and underwent correction surgery. 1 case underwent revision operation for a fistula between the reconstructed wall and the skin of the outer auditory canal. No surgical complications like infection or facial paralysis occurred, all patients were satisfied with surgery effect.Conclusion:HA with transferred vascularized temporalis fascia pedicle for the reconstructon of the external auditory canal wall is an effective method for the treatment of intractable tympanitis, and worth promoting.
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