Auditory neural efficiency in protein energy malnourished toddlers with and without iron deficiency anemia

Hassaan, Mohammad Ramadan; Alghobashy, Ashgan Abdallah; Abdelrahman, Hadeel M.

doi:10.1016/j.ejenta.2011.08.001

Cited by 8 publications

(2 citation statements)

References 40 publications

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“…Some studies have suggested a relationship between nutritional status and BAER abnormalities [3, 27, 28]. However, the findings of these studies were inconsistent and inconclusive with regard to an association between nutritional deficiency and BAER.…”

Section: Discussionmentioning

confidence: 99%

Association of hemoglobin levels and brainstem auditory evoked responses in lead-exposed children

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Buchanan

Ortega

2012

Clinical Biochemistry

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Objectives Decreased blood hemoglobin (HbB) levels and anemia have been associated with abnormal brainstem auditory evoked responses (BAER). Lead (Pb) exposure has also been associated with anemia and aberrant BAER. This study investigated the relationship between HbB level and BAER wave latency and amplitude in Pb-exposed Andean children. Design and methods Sixty-six children aged 2 to 15 years (mean age: 9.1; SD: 3.3) living in Pb-contaminated villages were screened for HbB levels, blood Pb (PbB) levels and BAER latencies and amplitudes. Results The mean HbB level observed in the study group was 11.9 g/dL (SD: 1.4; range: 8.6–14.8 g/dL). The mean HbB level corrected for altitude was 10.3 g/dL (SD: 1.4; range: 6.9–13.1 g/dL), and suggestive of anemia. The mean PbB level was 49.3 μg/dL (SD: 30.1; range: 4.4–119.1 μg/dL) and indicative of Pb poisoning. Spearman Rho correlation analyses revealed significant associations between the BAER absolute latencies and HbB level, indicating that as the HbB level decreased, the BAER wave latency increased. Children with low HbB levels (≤11 g/dL) showed significantly prolonged absolute latencies of waves I, II, III, IV and V compared to the children with normal HbB levels. Although a significant relationship between HbB and BAER waves was observed, no significant associations between PbB level and BAER parameters were found. Conclusion Low hemoglobin levels may diminish auditory sensory-neural function, and is therefore an important variable to consider when assessing BAER in children with anemia and/or Pb exposure.

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Section: Discussionmentioning

confidence: 99%

Association of hemoglobin levels and brainstem auditory evoked responses in lead-exposed children

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Buchanan

Ortega

2012

Clinical Biochemistry

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“…Similar results have also been documented earlier. [9][10][11] Odobas et al found increase in the absolute latencies of wave I-V and interpeak latency I-V and III-V indicating the involvement of peripheral as well as the central pathways in malnourished children. 12 Very little data is available regarding the variation in the amplitude of the waves of BAER in relation to malnutrition.…”

Section: Discussionmentioning

confidence: 99%

Brainstem auditory evoked responses in severely malnourished children

Dhir¹,

Batta²

2015

Int J Contemp Pediatr

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Aided evoked cortical potential: An objective validation tool for hearing aid benefit

Hassaan

2011

Egyptian Journal of Ear, Nose, Throat and Allied Sciences

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Auditory neural efficiency in protein energy malnourished toddlers with and without iron deficiency anemia

Cited by 8 publications

References 40 publications

Association of hemoglobin levels and brainstem auditory evoked responses in lead-exposed children

Association of hemoglobin levels and brainstem auditory evoked responses in lead-exposed children

Brainstem auditory evoked responses in severely malnourished children

Aided evoked cortical potential: An objective validation tool for hearing aid benefit

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