| Stacked ABR의 원리 |
| 김진숙 |
| 한림대학교 자연과학대학 언어청각학부, 청각언어연구소 |
| Principles of the Stacked ABR |
| Jin-Sook Kim |
| Division of Speech Pathology & Audiology, College of Natural Science, Hallym University, Chunchon, Korea |
| Correspondence |
Jin-Sook Kim ,Tel: (033) 248-2213, Fax: (033) 256-3420, Email: jskim@hallym.ac.kr
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Received: November 21, 2005; Accepted: November 25, 2005. Published online: December 31, 2005. |
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| ABSTRACT |
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Recent studies clearly have shown that standard auditory brainstem response (ABR) latency methods have provided inadequate information for detecting small intracanalicular acoustic tumors. Consequently, the standard ABR has been replaced as a diagnostic screening tool by magnetic resonance imaging (MRI) despite its high cost, limited availability, and impact on patient comfort. Therefore, a new ABR measure, the stacked derived-band ABR amplitude has been developed. This new ABR method seems successfully detects small acoustic tumors missed by standard ABR measures. After reviewing standard ABR methodlolgy, the derived narrowband ABR technique, effective stacking methodology including pros and cons, and examples of clinical application were summarized.
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| Key Words:
Stacked ABR·Derived band ABR·Acoustic tumor. |
| 중심단어:
Stacked ABR· Derived band ABR· 청신경종양. |
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