Brain & development · 2022
Functional status of brainstem auditory pathway in babies born below 30 week gestation with necrotizing enterocolitis.
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Jiang James Ken, Wang Cui, Yin Rong, Jiang Ze Dong
Аннотация
OBJECTIVE: Recent studies showed that neonatal necrotizing enterocolitis (NEC) adversely affects the brainstem auditory pathway in babies born at 30-40 week gestation. We compared the functional status of the pathway between babies born below 30 week gestation with NEC and those without NEC for any differences to understand whether NEC also affects the pathway in babies born at a smaller gestation.
METHOD: Brainstem auditory evoked response was studied at term in NEC babies born below 30 week gestation. The data obtained were compared with age-matched non-NEC babies for any abnormalities, and then compared with previously reported NEC babies born at 30-34 week gestation for any differences.
RESULTS: Although the latencies of waves I and III did not differ significantly between NEC and non-NEC babies, wave V latency in NEC babies was longer than in non-NEC babies at all click rates used. In particular, I-V interpeak interval, reflecting brainstem conduction time, in NEC babies was significant longer than in non-NEC babies. Wave V amplitude and the V/I amplitude ratios in NEC babies was smaller than in non-NEC babies at some click rates. The I-V interval in our NEC babies born below 30 week gestation was longer than in previously reported NEC babies born at 30-34 week gestation at all click rates.
CONCLUSION: NEC babies born below 30 week gestation are associated with delayed brainstem conduction time. Functional status of the brainstem auditory pathway in NEC babies born below 30 week gestation is less favorable than that in those with greater gestation.
METHOD: Brainstem auditory evoked response was studied at term in NEC babies born below 30 week gestation. The data obtained were compared with age-matched non-NEC babies for any abnormalities, and then compared with previously reported NEC babies born at 30-34 week gestation for any differences.
RESULTS: Although the latencies of waves I and III did not differ significantly between NEC and non-NEC babies, wave V latency in NEC babies was longer than in non-NEC babies at all click rates used. In particular, I-V interpeak interval, reflecting brainstem conduction time, in NEC babies was significant longer than in non-NEC babies. Wave V amplitude and the V/I amplitude ratios in NEC babies was smaller than in non-NEC babies at some click rates. The I-V interval in our NEC babies born below 30 week gestation was longer than in previously reported NEC babies born at 30-34 week gestation at all click rates.
CONCLUSION: NEC babies born below 30 week gestation are associated with delayed brainstem conduction time. Functional status of the brainstem auditory pathway in NEC babies born below 30 week gestation is less favorable than that in those with greater gestation.