1983
DOI: 10.3109/00206098309072783
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Lateral Differences in Susceptibility to Noise Damage

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Cited by 36 publications
(18 citation statements)
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“…37% abnormal PTA, 65% abnormal HFA.Significant association with years worked and age.presbycusis, small sample.Ostri et a1. 1989 [102]Case series95 orchestral musicians 80 males, 15 females age 22–640.125, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8 kHz (PTA)>20 dB average hearing loss in either ear44% of musicians had hearing impairment attributed to occupational noise exposure.Significant poorer hearing on the left ear found at higher frequencies among violinist.instrument played, side of orchestral band, previous noise exposureCox et a1 1995 [63]Case series235 soldiers with past weapon noise exposure age 16–550.5,1, 2, 3,4, 6 kHz (average single frequency threshold)Interaural difference = asymmetry >10 dB67% asymmetry at 4 kHz.Average hearing loss and interaural asymmetry increased with frequency.handedness, emotional immaturity, motivation for army service, use of ear defendersPirila et al 1992 [109]Cross-sectional study3487 random people 1640 males, 1847 females 3 age groups (5–10,15–50, >50)0.125, 0.25,0.5,1, 2, 3, 4, 6, 8 kHz (average single frequency threshold)Interaural difference = asymmetry >0 dBThe inferiority of hearing in the left ear at 4 kHz seems to be assiciated with noise damage.The average interaural difference at 4 kHz was more marked in age 15–50.shooting history occupational noise exposurePirila et al 1991 [98]Cohort study28 non-shooting normal HL 10 males, 18 females age 17–29 exposure to broad band noise 88–91 dB for maximum 8 h4 kHz (average single frequency threshold)determine TTS after noise exposureTTS was greater in the left ear than the right.Negative correlation between pre-exposure threshold level.rely on history, samll sample size.Chung et al 1983 [95] AudiologyCase series1461WCB claims for NIHL no head injury, no ear surgery age 36–822 kHz (average single frequency threshold)>20 dB4.7% has asymmetry, suggesting damage toward apex. 82.6% has worse hearing thresholds in the left ear.2 kHz is lateral difference in susceptibility to noise damage.limited frequency consideredNageris et al 2007 [103]Case series4277 army personnel files age 16–553–6 kHz (PTA)mild loss = 25–40 dB HL moderate loss = 41–60 dB HL severe loss = 61–90 dB HL asymmetry = different grade50% symmetrical.34.2% left asymmetrical NIHL.…”
Section: Asymmetric Nihlmentioning
confidence: 99%
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“…37% abnormal PTA, 65% abnormal HFA.Significant association with years worked and age.presbycusis, small sample.Ostri et a1. 1989 [102]Case series95 orchestral musicians 80 males, 15 females age 22–640.125, 0.25, 0.5, 0.75, 1, 1.5, 2, 3, 4, 6, 8 kHz (PTA)>20 dB average hearing loss in either ear44% of musicians had hearing impairment attributed to occupational noise exposure.Significant poorer hearing on the left ear found at higher frequencies among violinist.instrument played, side of orchestral band, previous noise exposureCox et a1 1995 [63]Case series235 soldiers with past weapon noise exposure age 16–550.5,1, 2, 3,4, 6 kHz (average single frequency threshold)Interaural difference = asymmetry >10 dB67% asymmetry at 4 kHz.Average hearing loss and interaural asymmetry increased with frequency.handedness, emotional immaturity, motivation for army service, use of ear defendersPirila et al 1992 [109]Cross-sectional study3487 random people 1640 males, 1847 females 3 age groups (5–10,15–50, >50)0.125, 0.25,0.5,1, 2, 3, 4, 6, 8 kHz (average single frequency threshold)Interaural difference = asymmetry >0 dBThe inferiority of hearing in the left ear at 4 kHz seems to be assiciated with noise damage.The average interaural difference at 4 kHz was more marked in age 15–50.shooting history occupational noise exposurePirila et al 1991 [98]Cohort study28 non-shooting normal HL 10 males, 18 females age 17–29 exposure to broad band noise 88–91 dB for maximum 8 h4 kHz (average single frequency threshold)determine TTS after noise exposureTTS was greater in the left ear than the right.Negative correlation between pre-exposure threshold level.rely on history, samll sample size.Chung et al 1983 [95] AudiologyCase series1461WCB claims for NIHL no head injury, no ear surgery age 36–822 kHz (average single frequency threshold)>20 dB4.7% has asymmetry, suggesting damage toward apex. 82.6% has worse hearing thresholds in the left ear.2 kHz is lateral difference in susceptibility to noise damage.limited frequency consideredNageris et al 2007 [103]Case series4277 army personnel files age 16–553–6 kHz (PTA)mild loss = 25–40 dB HL moderate loss = 41–60 dB HL severe loss = 61–90 dB HL asymmetry = different grade50% symmetrical.34.2% left asymmetrical NIHL.…”
Section: Asymmetric Nihlmentioning
confidence: 99%
“…Significant poorer hearing in the left ear, especially at 4 and 6 kHzUse of hearing protection devices resulted in better hearing but in low useFernandes et al 2010 [94]Case series208 clients with hearing loss for compensation; age 36–73 203 males, 5 females0.25–6 kHz (hearing threshold)Asymmetry:>10 dB for 2 frequencies >15 dB for one frequency22.6% of clients had asymmetrical hearing loss. Left side had greater loss in 60% of cases.MRI showed no central pathologyChung et al 1983 [95] J Occu MedCohort study244 shingle sawyers all males age 20–590.5,1, 2, 3, 4, 6, 8 kHz (average single frequency threshold)not definedAsymmetry of hearing loss is significant but small compared to general industrial population especially at low frequencies.101/244 had history of shooting. Hearing protection not well-defined.…”
Section: Asymmetric Nihlmentioning
confidence: 99%
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