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Objective <p>To determine the impact of a referral protocol for very low birth weight (VLBW) infants and document the incidence rate of late onset hearing loss.</p> Study design <p>Retrospective study (2003–2015) of post-discharge hearing outcomes and risk factors in the VLBW infant population, before and after the institution of a standardized follow-up program. Risk factors were compared between cases and matched controls.</p> Results <p>Late onset hearing loss detection increased from 2.2 per 100 VLBW infants to 6.9 per 100 post standardization. The follow-up compliance rate nearly doubled. The age at diagnosis decreased from 31 to 12 months postnatal age. The detection of conductive loss increased four-fold, while sensorineural hearing loss remained unchanged.</p> Conclusion <p>A significant proportion late onset hearing loss in VLBW infants is conductive, which can negatively impact speech and language development. A standardized process is essential for early detection and optimal outcomes.</p>

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Late onset hearing loss in very low birth weight infants

  • 期刊论文

  • 发表日期：

    2025年2月24日

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  • Chloe A. Liu,
  • Lynn M. Iwamoto

摘要

Objective

To determine the impact of a referral protocol for very low birth weight (VLBW) infants and document the incidence rate of late onset hearing loss.

Study design

Retrospective study (2003–2015) of post-discharge hearing outcomes and risk factors in the VLBW infant population, before and after the institution of a standardized follow-up program. Risk factors were compared between cases and matched controls.

Results

Late onset hearing loss detection increased from 2.2 per 100 VLBW infants to 6.9 per 100 post standardization. The follow-up compliance rate nearly doubled. The age at diagnosis decreased from 31 to 12 months postnatal age. The detection of conductive loss increased four-fold, while sensorineural hearing loss remained unchanged.

Conclusion

A significant proportion late onset hearing loss in VLBW infants is conductive, which can negatively impact speech and language development. A standardized process is essential for early detection and optimal outcomes.