DRILL-INDUCED HEARING LOSS FOLLOWING MASTOIDECTOMY: A PRE- AND POSTOPERATIVE BONE CONDUCTION COMPARISON

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BAYAT A.; FARHADI M.; EMAM JOMEH H.

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Paper Information

Journal: ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ) Year:2003 | Volume:6 | Issue:1 (22) Page(s): 9-15

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Information Journal Paper

Title

DRILL-INDUCED HEARING LOSS FOLLOWING MASTOIDECTOMY: A PRE- AND POSTOPERATIVE BONE CONDUCTION COMPARISON

Author(s)

BAYAT A. | FARHADI M. | EMAM JOMEH H. | Issue Writer Certificate

Keywords

ACOUSTIC TRAUMAQ4

BONE CONDUCTION THRESHOLDQ4

HEARING LOSSQ3

MASTOIDECTOMYQ4

PERMANENT THRESHOLD SHIFTQ4

TRANSIENT THRESHOLD SHIFTQ4

Abstract

Introduction: The existence of ACOUSTIC TRAUMA secondary to drill noise during chronic ear surgeries has not yet been clearly demonestrated. This investigation aims to document the HEARING LOSS that occures in patients who underwent MASTOIDECTOMY.Materials and Methods: Sixty-three (38 male and 25 female) consecutive patients (11-57 years) who underwent modified radical MASTOIDECTOMY were included. In a concurrent clinical trial design, we measured BONE CONDUCTION THRESHOLDs before and after (1 week and 1 month) operation on both sides.Bone conduction thresholds were assessed in 250, 500, 1000, 2000, 3000 and 4000 Hz frequencies. Results: Paired-test results showed a satistically significant temporary (TTS) and PERMANENT THRESHOLD SHIFTs (PTS) were occured in the 2000-4000 Hz region for operated (on addition to 1000 Hz) and non-operated ears, but clinically PTSs were not remarkable and TTSs were important only for operated ear (P<0.05). The correlation between duration of noise exposure and magnitude of threshold shift was only significant in operated ear in 2000-4000 Hz region (P<0.05).Conclusion: We could not demonestrate any permanent HEARING LOSS caused by drill-generated noise, but resultant noise is able to produce TTS in the operated ear in 2000-4000 Hz region. We found poor relationship between duration of noise exposure and magnitude of threshold shifts.

Cites

DRILL-AND SUCTION GENERATED NOISE LEVELS IN MASTOID SURGERY

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APA: Copy

BAYAT, A., FARHADI, M., & EMAM JOMEH, H.. (2003). DRILL-INDUCED HEARING LOSS FOLLOWING MASTOIDECTOMY: A PRE- AND POSTOPERATIVE BONE CONDUCTION COMPARISON. ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ), 6(1 (22)), 9-15. SID. https://sid.ir/paper/69628/en

Vancouver: Copy

BAYAT A., FARHADI M., EMAM JOMEH H.. DRILL-INDUCED HEARING LOSS FOLLOWING MASTOIDECTOMY: A PRE- AND POSTOPERATIVE BONE CONDUCTION COMPARISON. ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ)[Internet]. 2003;6(1 (22)):9-15. Available from: https://sid.ir/paper/69628/en

IEEE: Copy

A. BAYAT, M. FARHADI, and H. EMAM JOMEH, “DRILL-INDUCED HEARING LOSS FOLLOWING MASTOIDECTOMY: A PRE- AND POSTOPERATIVE BONE CONDUCTION COMPARISON,” ARAK MEDICAL UNIVERSITY JOURNAL (AMUJ), vol. 6, no. 1 (22), pp. 9–15, 2003, [Online]. Available: https://sid.ir/paper/69628/en

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