Seval CEYLAN, Atilla GÜMÜŞGÜN, Ferhan FERATLAR

Comparison of CE-Chirp ABR and Click ABR methods in patients with bilateral sensorineural hearing loss

Objective: In this study, we aimed to compare ABR threshold values, V. wave latency times, amplitudes obtained using Click ABR and CEChirp ABR methods and procedural times of these tests in patients with bilateral hearing loss. Methods: A total of 19 adult male patients were included in the study. ABR latency times with 10 dB decreases starting from 100 dB, V. wave latencies, V. wave amplitudes obtained using Click ABR and CE-Chirp ABR methods and procedural times were compared for both ears. Results: Procedural time for CE-Chirp ABR test was found to be shorter than that of Click ABR test (p=0.001). For both ears, mean CE-Chirp ABR threshold values were more favorable than those of Click ABR test [(60.15±10.34 vs. 62.27±9.93) dB nHL, p

Bilateral sensorinöral iﬂitme kay›pl› hastalarda CE-Chirp ABR ve Click ABR yöntemlerinin karﬂ›laﬂt›r›lmas›

Bu çal›ﬂmada bilateral sensorinöral iﬂitme kayb› olan hastalarda Click ABR ve CE-Chirp ABR yöntemleri ile elde edilen ABR eﬂikleri, V. dalga latans bulgular›, amplitüd bulgular› ve test sürelerinin karﬂ›laﬂt›r›lmas› amaçlanm›ﬂt›r. Yöntem: Bilateral sensorinöral iﬂitme kayb› bulunan 19 yetiﬂkin erkek hasta çal›ﬂmaya dahil edildi. Click ABR ve CE-Chirp ABR yöntemleri ile her iki kulakta 100 dB’den baﬂlanarak 10 dB’lik düﬂüﬂlerle elde edilen ABR eﬂikleri, V. dalga latanslar›, V. dalga amplitüdleri ve test süreleri karﬂ›laﬂt›r›ld›. Bulgular: CE-Chirp ABR test süresi Click ABR test süresinden daha k›sa bulundu (p=0.001). Her iki kulak için ortalama CE-Chirp ABR eﬂikleri Click ABR eﬂiklerinden daha iyi saptand› [(60.15±10.34 vs. 62.27±9.93) dB nHL, p

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