Preprint Article Version 1 This version is not peer-reviewed

Variation in Some Haematological Parameters, Iron and Lead Levels in Workers Exposed to Electronic Waste in Benin City, Nigeria

Version 1 : Received: 30 April 2018 / Approved: 2 May 2018 / Online: 2 May 2018 (06:22:44 CEST)

How to cite: Igharo, O.G.; Anetor, J.I.; Osibanjo, O.; Okungbowa, M.A.; Idomeh, F.A.; Aleoghena, T.O.. Variation in Some Haematological Parameters, Iron and Lead Levels in Workers Exposed to Electronic Waste in Benin City, Nigeria. Preprints 2018, 2018050013 (doi: 10.20944/preprints201805.0013.v1). Igharo, O.G.; Anetor, J.I.; Osibanjo, O.; Okungbowa, M.A.; Idomeh, F.A.; Aleoghena, T.O.. Variation in Some Haematological Parameters, Iron and Lead Levels in Workers Exposed to Electronic Waste in Benin City, Nigeria. Preprints 2018, 2018050013 (doi: 10.20944/preprints201805.0013.v1).

Abstract

The volume of electronic waste (e-waste) received in Nigeria is reportedly on the increase and the effects on environmental health are yet to be fully ascertained. This study aimed to investigate haematological indices, lead and serum iron levels in workers occupationally exposed to electronic wastes in South-South, Nigeria. In this pilot study, 104 participants were enrolled from Benin City, South-South Nigeria; consisting of 63 E-waste Workers (EW) sex- and aged-matched with 41 Unexposed Participants (Control). Blood levels (5 mL) of the metals (lead and iron) were determined using Inductively Coupled Plasma-Mass Spectrometry while the haematological parameters [white blood cells (WBC), Lymphocytes ( LY); monocytes (MO), granulocytes(GR), red blood cells (RBC), haemoglobin (Hgb), haematocrit (HCT), mean cell volume (MCV), mean cell haemoglobin (MCH), mean cell haemoglobin concentration (MCHC) and platelets (PLT)] were determined using standard methods. Results obtained from this study show a significantly low serum iron (11.5 ± 2.14 µg/dL) in the EW compared with Control (168.9 ± 2.39 µg/dL); while blood lead level in EW (1.07±0.02 µg/dL) was significantly elevated compared with Control (0.72 ± 0.12). Total WBC and RBC, HCT, MO and MCV were all significantly elevated in EW compared with Control while LY and PLT in the EW were significantly decreased compared with Control. This study concludes that chronic occupational e-waste exposure may increase blood lead level, lower serum iron status and may have adversely altered some important haematological parameters in the studied population.

Subject Areas

electronic waste; haematotoxicity; lead; occupationally exposed workers

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