Abstract:
BACKGROUND:Preterm and low-birth-weight infants have an increased risk of sensorineural hearing loss. Brainstem auditory-evoked potentials (BAEP) are an effective method to detect subtle deficits in impulse conduction in the auditory pathway. Abnormalities on diffusion tensor imaging (DTI) have been shown to be associated with perinatal white-matter injury and reduced fractional anisotropy (FA) has been reported in patients with sensorineural hearing loss. OBJECTIVES:To evaluate the possibility of a correlation between BAEP and DTI of the inferior colliculus in preterm infants. MATERIALS AND METHODS:DTI at term age and BAEP measurements were performed on all very-low-birth-weight or very preterm study infants (n=56). FA and apparent diffusion coefficient (ADC) of the inferior colliculus were measured from the DTI. RESULTS:Shorter BAEP wave I, III, and V latencies and I-III and I-V intervals and higher wave V amplitude correlated with higher FA of the inferior colliculus. CONCLUSION:The association between the DTI findings of the inferior colliculus and BAEP responses suggests that DTI can be used to assess the integrity of the auditory pathway in preterm infants.
journal_name
Pediatr Radioljournal_title
Pediatric radiologyauthors
Reiman M,Parkkola R,Johansson R,Jääskeläinen SK,Kujari H,Lehtonen L,Haataja L,Lapinleimu H,PIPARI Study Group.doi
10.1007/s00247-009-1278-6subject
Has Abstractpub_date
2009-08-01 00:00:00pages
804-9issue
8eissn
0301-0449issn
1432-1998journal_volume
39pub_type
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journal_title:Pediatric radiology
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journal_title:Pediatric radiology
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journal_title:Pediatric radiology
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