A case-control study of nutritional factors associated with chronic suppurative otitismedia in Yemeni children

Elemraid, M.A., Mackenzie, Ian, Fraser, W.D., Harper, Gregory, Faragher, Brian, Atef, Z., Al-Aghbari, N. and Brabin, Bernard (2011) 'A case-control study of nutritional factors associated with chronic suppurative otitismedia in Yemeni children'. European Journal of Clinical Nutrition, Vol 65, pp. 895-902.

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Abstract

Background/Objectives: Undernutrition and chronic suppurative otitis media (CSOM) in children are common in low resource settings, but there are few studies of their interactions. The aim is to evaluate nutritional factors associated with CSOM in Yemeni children.

Subjects/Methods: A case–control study of 75 children with CSOM and 74 healthy controls. Assessment included dietary history, anthropometry, haemoglobin (Hb) and serum analytes zinc (Zn), copper (Cu), selenium (Se), iron, calcium, phosphate (PO4) and total 25-hydroxy vitamin D (25(OH)D).

Results: Cases had lower mean Z-scores for weight-for-age, weight-for-height, body mass index and mid-upper arm circumference (MUAC) (all P<0.05), and lower mean concentrations of serum Zn (P=0.032), Se (P<0.001) and calcium adjusted for albumin (P=0.026). Age-adjusted Hb and iron biomarkers did not differ between cases and controls. There was high prevalence of low serum Zn concentration (90%) and vitamin D deficiency in both cases (80%) and controls (96%). Duration of ear discharge was negatively correlated with total 25(OH)D (P=0.028), calcium adjusted for albumin (P<0.001), PO4 (P=0.002), transferrin receptor/log ferritin ratio (P<0.001) and Cu (P<0.001), and positively correlated with child age and MUAC (both P<0.001).

Conclusions: Children with CSOM were more undernourished than controls with lower mean serum Zn, Se and calcium concentrations. Vitamin D-deficient and iron-replete children had longer duration of infection, although this association was lost with age adjustment. Trials evaluating specific micronutrients are required in order to investigate specific nutrient–infection interactions in CSOM.

Item Type:	Article
Subjects:	WS Pediatrics > Child Care. Nutrition. Physical Examination > WS 115 Nutritional requirements. Nutrition disorders WV Otolaryngology > Ear > WV 200 General works
Faculty: Department:	Clinical Sciences & International Health > Clinical Sciences Department Education
Digital Object Identifer (DOI):	https://doi.org/10.1038/ejcn.2011.58
Depositing User:	Pauline Anderson
Date Deposited:	11 Aug 2011 09:50
Last Modified:	19 Nov 2024 13:16
URI:	https://archive.lstmed.ac.uk/id/eprint/1998

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