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[Round window catheter placement with dexamethasone perfusion for intractable sudden sensorineural hearing loss]. 2007

Xialing Sun, and Jihao Ren, and Yongde Lu, and Tuanfang Yin, and Weijing Wu, and Yueying Tang, and Binya Hu
Department of Otolaryngology, the Second Hospital of Xiangya Medical College, Central South University, Changsha, 410011, China.

OBJECTIVE To investigate the efficacy of round window catheter placement with dexamethasone perfusion for 13 patients with intractable sudden sensorineural hearing loss (SSNHL). METHODS Dexamethasone (2.5 mg) was perfused transtympanically through round window catheter by Micro-infusion pump. The perfusion was taken twice a day and continued for an hour each time, for a total of 7 days. RESULTS Thirteen patients have been followed up for 1 month. Five of them (38.5%) were demonstrated a 17-54 dB improvement in pure-tone threshold average (PTA). The other 8 patients (61.5%) had no effect. CONCLUSIONS Round window catheter placement with dexamethasone perfusion is a cost-effective and useful treatment for SSNHL patients who had no effect through conventional therapy, although hearing thresholds of these patients had hardly improved to normal levels.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002404 Catheterization Use or insertion of a tubular device into a duct, blood vessel, hollow organ, or body cavity for injecting or withdrawing fluids for diagnostic or therapeutic purposes. It differs from INTUBATION in that the tube here is used to restore or maintain patency in obstructions. Cannulation,Cannulations,Catheterizations
D003639 Hearing Loss, Sudden Sensorineural hearing loss which develops suddenly over a period of hours or a few days. It varies in severity from mild to total deafness. Sudden deafness can be due to head trauma, vascular diseases, infections, or can appear without obvious cause or warning. Deafness, Sudden,Sudden Deafness,Sudden Hearing Loss
D003907 Dexamethasone An anti-inflammatory 9-fluoro-glucocorticoid. Hexadecadrol,Decaject,Decaject-L.A.,Decameth,Decaspray,Dexasone,Dexpak,Hexadrol,Maxidex,Methylfluorprednisolone,Millicorten,Oradexon,Decaject L.A.
D005260 Female Females
D006319 Hearing Loss, Sensorineural Hearing loss resulting from damage to the COCHLEA and the sensorineural elements which lie internally beyond the oval and round windows. These elements include the AUDITORY NERVE and its connections in the BRAINSTEM. Deafness Neurosensory,Deafness, Neurosensory,Deafness, Sensoryneural,Neurosensory Deafness,Sensorineural Hearing Loss,Sensoryneural Deafness,Cochlear Hearing Loss,Hearing Loss, Cochlear,Deafnesses, Neurosensory,Deafnesses, Sensoryneural,Neurosensory Deafnesses,Sensoryneural Deafness,Sensoryneural Deafnesses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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