Maternal mercury exposure and neuro-motor development in breastfed infants from Porto Velho (Amazon), Brazil
Fish is an important item in the diet of Amazonians, and per se is their best single source of essential nutrients. Rapid urbanization and migration are bringing changes in dietary habits of Amazonians. Exposure to fish-Hg during pregnancy and lactation were studied in 100 women and newborns from Po...
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| Veröffentlicht in: | International journal of hygiene and environmental health 2007-01, Vol.210 (1), p.51-60 |
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| container_title | International journal of hygiene and environmental health |
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| creator | Marques, Rejane Corrêa Garrofe Dórea, José Rodrigues Bastos, Wanderley de Freitas Rebelo, Mauro de Freitas Fonseca, Márlon Malm, Olaf |
| description | Fish is an important item in the diet of Amazonians, and per se is their best single source of essential nutrients. Rapid urbanization and migration are bringing changes in dietary habits of Amazonians. Exposure to fish-Hg during pregnancy and lactation were studied in 100 women and newborns from Porto Velho. Tissue-Hg concentrations and neurodevelopment (Gesell Developmental Schedules) were assessed at birth and at 6 months in exclusively breastfed infants. Maternal mean frequency of fish consumption was low (7
meals/week) compared to Amazonian standards. Women consuming |
| doi_str_mv | 10.1016/j.ijheh.2006.08.001 |
| format | Article |
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meals/week; range 0–>7
meals/week) compared to Amazonian standards. Women consuming <2 fish meals/week showed less median hair-Hg (3.5
μg
g
−1) than women that consumed ⩾2 fish meals/week (5.7
μg
g). Median total Hg in maternal hair (5.4
μg
g
−1) was higher than in newborns (1.6
μg
g
−1). Significant correlation was observed between maternal hair-Hg and infant hair-Hg at birth (
r
=
0.353
;
p
<
0.01
) and at six months (
r
=
0.510
;
p
<
0.01
). Placenta-Hg was also significantly correlated to maternal hair-Hg (
r
=
0.321
;
p
<
0.01
), newborn hair-Hg (
r
=
0.219
;
p
<
0.05
), maternal blood-Hg (
r
=
0.250
;
p
<
0.01
) and to umbilical cord-Hg (
r
=
0.857
;
p
<
0.01
). Most infants (74%) had normal Gesell Schedules but among the 26% showing neuro-motor development delays only six (7%) had multiple (motor, language, and adaptative) delays. The infants with multiple delays were born from mothers with range of hair-Hg comparable to mothers of normally developed infants. Coincidentally, mothers of infants with multiple delays also showed the lowest range of income and level of education. Fish consumption, income, and level of education varied greatly among these breastfeeding urban mothers. It seems that development delays of exclusively breastfed infants are a component of the health inequalities that accompanies socioeconomic disadvantages.]]></description><identifier>ISSN: 1438-4639</identifier><identifier>EISSN: 1618-131X</identifier><identifier>DOI: 10.1016/j.ijheh.2006.08.001</identifier><identifier>PMID: 17011234</identifier><language>eng</language><publisher>Jena: Elsevier GmbH</publisher><subject>Adolescent ; Adult ; Air. Soil. Water. Waste. Feeding ; Amazon ; Animals ; Biological and medical sciences ; Brazil ; Breast Feeding ; Breastfeeding ; Environment. Living conditions ; Environmental Monitoring ; Female ; Fish consumption ; Fishes ; Food Contamination ; Hair - chemistry ; Hair-Hg ; Humans ; Infant ; Infant, Newborn ; Language Development ; Maternal Exposure - adverse effects ; Medical sciences ; Mercury - analysis ; Mercury - blood ; Mercury - toxicity ; Miscellaneous ; Motor Skills - drug effects ; Neuro-motor development ; Placenta - chemistry ; Pregnancy ; Public health. Hygiene ; Public health. Hygiene-occupational medicine ; Toxicology ; Umbilical Cord - chemistry ; Water Pollutants, Chemical - analysis ; Water Pollutants, Chemical - blood ; Water Pollutants, Chemical - toxicity</subject><ispartof>International journal of hygiene and environmental health, 2007-01, Vol.210 (1), p.51-60</ispartof><rights>2006 Elsevier GmbH</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c474t-7bf7e185f5740cbef2178d5c956d535bd9745ecaa3835b512d7c513570b00c743</citedby><cites>FETCH-LOGICAL-c474t-7bf7e185f5740cbef2178d5c956d535bd9745ecaa3835b512d7c513570b00c743</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ijheh.2006.08.001$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,45974</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18796156$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17011234$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Marques, Rejane Corrêa</creatorcontrib><creatorcontrib>Garrofe Dórea, José</creatorcontrib><creatorcontrib>Rodrigues Bastos, Wanderley</creatorcontrib><creatorcontrib>de Freitas Rebelo, Mauro</creatorcontrib><creatorcontrib>de Freitas Fonseca, Márlon</creatorcontrib><creatorcontrib>Malm, Olaf</creatorcontrib><title>Maternal mercury exposure and neuro-motor development in breastfed infants from Porto Velho (Amazon), Brazil</title><title>International journal of hygiene and environmental health</title><addtitle>Int J Hyg Environ Health</addtitle><description><![CDATA[Fish is an important item in the diet of Amazonians, and per se is their best single source of essential nutrients. Rapid urbanization and migration are bringing changes in dietary habits of Amazonians. Exposure to fish-Hg during pregnancy and lactation were studied in 100 women and newborns from Porto Velho. Tissue-Hg concentrations and neurodevelopment (Gesell Developmental Schedules) were assessed at birth and at 6 months in exclusively breastfed infants. Maternal mean frequency of fish consumption was low (<2
meals/week; range 0–>7
meals/week) compared to Amazonian standards. Women consuming <2 fish meals/week showed less median hair-Hg (3.5
μg
g
−1) than women that consumed ⩾2 fish meals/week (5.7
μg
g). Median total Hg in maternal hair (5.4
μg
g
−1) was higher than in newborns (1.6
μg
g
−1). Significant correlation was observed between maternal hair-Hg and infant hair-Hg at birth (
r
=
0.353
;
p
<
0.01
) and at six months (
r
=
0.510
;
p
<
0.01
). Placenta-Hg was also significantly correlated to maternal hair-Hg (
r
=
0.321
;
p
<
0.01
), newborn hair-Hg (
r
=
0.219
;
p
<
0.05
), maternal blood-Hg (
r
=
0.250
;
p
<
0.01
) and to umbilical cord-Hg (
r
=
0.857
;
p
<
0.01
). Most infants (74%) had normal Gesell Schedules but among the 26% showing neuro-motor development delays only six (7%) had multiple (motor, language, and adaptative) delays. The infants with multiple delays were born from mothers with range of hair-Hg comparable to mothers of normally developed infants. Coincidentally, mothers of infants with multiple delays also showed the lowest range of income and level of education. Fish consumption, income, and level of education varied greatly among these breastfeeding urban mothers. It seems that development delays of exclusively breastfed infants are a component of the health inequalities that accompanies socioeconomic disadvantages.]]></description><subject>Adolescent</subject><subject>Adult</subject><subject>Air. Soil. Water. Waste. Feeding</subject><subject>Amazon</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Brazil</subject><subject>Breast Feeding</subject><subject>Breastfeeding</subject><subject>Environment. Living conditions</subject><subject>Environmental Monitoring</subject><subject>Female</subject><subject>Fish consumption</subject><subject>Fishes</subject><subject>Food Contamination</subject><subject>Hair - chemistry</subject><subject>Hair-Hg</subject><subject>Humans</subject><subject>Infant</subject><subject>Infant, Newborn</subject><subject>Language Development</subject><subject>Maternal Exposure - adverse effects</subject><subject>Medical sciences</subject><subject>Mercury - analysis</subject><subject>Mercury - blood</subject><subject>Mercury - toxicity</subject><subject>Miscellaneous</subject><subject>Motor Skills - drug effects</subject><subject>Neuro-motor development</subject><subject>Placenta - chemistry</subject><subject>Pregnancy</subject><subject>Public health. Hygiene</subject><subject>Public health. Hygiene-occupational medicine</subject><subject>Toxicology</subject><subject>Umbilical Cord - chemistry</subject><subject>Water Pollutants, Chemical - analysis</subject><subject>Water Pollutants, Chemical - blood</subject><subject>Water Pollutants, Chemical - toxicity</subject><issn>1438-4639</issn><issn>1618-131X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU-LFDEQxRtR3HX1EwiSi6Jgt5VO0kkfPKyL_2BFDyreQjqpZjJ0J7NJenH309vjDOxNT1UPflU83quqpxQaCrR7s238doObpgXoGlANAL1XndKOqpoy-uv-unOmat6x_qR6lPMWoKWg-ofVCZVAacv4aTV9MQVTMBOZMdkl3RD8vYt5SUhMcCTgkmI9xxITcXiNU9zNGArxgQwJTS4julWMJpRMxhRn8i2mEslPnDaRvDyfzW0Mr16Td8nc-ulx9WA0U8Ynx3lW_fjw_vvFp_ry68fPF-eXteWSl1oOo0SqxCgkBzvg2FKpnLC96JxgYnC95AKtMUytStDWSSsoExIGACs5O6teHP7uUrxaMBc9-2xxmkzAuGS9xsC7VnX_BSlX0HFgK8gOoE0x54Sj3iU_m3SjKeh9G3qr_7ah921oUHptY716dny_DDO6u5tj_Cvw_AiYbM00JhOsz3eckn1Hxd7n2wOHa2rXHpPO1mOw6HxCW7SL_p9G_gCvBqlr</recordid><startdate>20070101</startdate><enddate>20070101</enddate><creator>Marques, Rejane Corrêa</creator><creator>Garrofe Dórea, José</creator><creator>Rodrigues Bastos, Wanderley</creator><creator>de Freitas Rebelo, Mauro</creator><creator>de Freitas Fonseca, Márlon</creator><creator>Malm, Olaf</creator><general>Elsevier GmbH</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>C1K</scope><scope>SOI</scope><scope>7T2</scope><scope>7TK</scope><scope>7TV</scope><scope>7U2</scope><scope>7U7</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>20070101</creationdate><title>Maternal mercury exposure and neuro-motor development in breastfed infants from Porto Velho (Amazon), Brazil</title><author>Marques, Rejane Corrêa ; Garrofe Dórea, José ; Rodrigues Bastos, Wanderley ; de Freitas Rebelo, Mauro ; de Freitas Fonseca, Márlon ; Malm, Olaf</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c474t-7bf7e185f5740cbef2178d5c956d535bd9745ecaa3835b512d7c513570b00c743</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Air. Soil. Water. Waste. Feeding</topic><topic>Amazon</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Brazil</topic><topic>Breast Feeding</topic><topic>Breastfeeding</topic><topic>Environment. Living conditions</topic><topic>Environmental Monitoring</topic><topic>Female</topic><topic>Fish consumption</topic><topic>Fishes</topic><topic>Food Contamination</topic><topic>Hair - chemistry</topic><topic>Hair-Hg</topic><topic>Humans</topic><topic>Infant</topic><topic>Infant, Newborn</topic><topic>Language Development</topic><topic>Maternal Exposure - adverse effects</topic><topic>Medical sciences</topic><topic>Mercury - analysis</topic><topic>Mercury - blood</topic><topic>Mercury - toxicity</topic><topic>Miscellaneous</topic><topic>Motor Skills - drug effects</topic><topic>Neuro-motor development</topic><topic>Placenta - chemistry</topic><topic>Pregnancy</topic><topic>Public health. Hygiene</topic><topic>Public health. Hygiene-occupational medicine</topic><topic>Toxicology</topic><topic>Umbilical Cord - chemistry</topic><topic>Water Pollutants, Chemical - analysis</topic><topic>Water Pollutants, Chemical - blood</topic><topic>Water Pollutants, Chemical - toxicity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Marques, Rejane Corrêa</creatorcontrib><creatorcontrib>Garrofe Dórea, José</creatorcontrib><creatorcontrib>Rodrigues Bastos, Wanderley</creatorcontrib><creatorcontrib>de Freitas Rebelo, Mauro</creatorcontrib><creatorcontrib>de Freitas Fonseca, Márlon</creatorcontrib><creatorcontrib>Malm, Olaf</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Health and Safety Science Abstracts (Full archive)</collection><collection>Neurosciences Abstracts</collection><collection>Pollution Abstracts</collection><collection>Safety Science and Risk</collection><collection>Toxicology Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>International journal of hygiene and environmental health</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Marques, Rejane Corrêa</au><au>Garrofe Dórea, José</au><au>Rodrigues Bastos, Wanderley</au><au>de Freitas Rebelo, Mauro</au><au>de Freitas Fonseca, Márlon</au><au>Malm, Olaf</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Maternal mercury exposure and neuro-motor development in breastfed infants from Porto Velho (Amazon), Brazil</atitle><jtitle>International journal of hygiene and environmental health</jtitle><addtitle>Int J Hyg Environ Health</addtitle><date>2007-01-01</date><risdate>2007</risdate><volume>210</volume><issue>1</issue><spage>51</spage><epage>60</epage><pages>51-60</pages><issn>1438-4639</issn><eissn>1618-131X</eissn><abstract><![CDATA[Fish is an important item in the diet of Amazonians, and per se is their best single source of essential nutrients. Rapid urbanization and migration are bringing changes in dietary habits of Amazonians. Exposure to fish-Hg during pregnancy and lactation were studied in 100 women and newborns from Porto Velho. Tissue-Hg concentrations and neurodevelopment (Gesell Developmental Schedules) were assessed at birth and at 6 months in exclusively breastfed infants. Maternal mean frequency of fish consumption was low (<2
meals/week; range 0–>7
meals/week) compared to Amazonian standards. Women consuming <2 fish meals/week showed less median hair-Hg (3.5
μg
g
−1) than women that consumed ⩾2 fish meals/week (5.7
μg
g). Median total Hg in maternal hair (5.4
μg
g
−1) was higher than in newborns (1.6
μg
g
−1). Significant correlation was observed between maternal hair-Hg and infant hair-Hg at birth (
r
=
0.353
;
p
<
0.01
) and at six months (
r
=
0.510
;
p
<
0.01
). Placenta-Hg was also significantly correlated to maternal hair-Hg (
r
=
0.321
;
p
<
0.01
), newborn hair-Hg (
r
=
0.219
;
p
<
0.05
), maternal blood-Hg (
r
=
0.250
;
p
<
0.01
) and to umbilical cord-Hg (
r
=
0.857
;
p
<
0.01
). Most infants (74%) had normal Gesell Schedules but among the 26% showing neuro-motor development delays only six (7%) had multiple (motor, language, and adaptative) delays. The infants with multiple delays were born from mothers with range of hair-Hg comparable to mothers of normally developed infants. Coincidentally, mothers of infants with multiple delays also showed the lowest range of income and level of education. Fish consumption, income, and level of education varied greatly among these breastfeeding urban mothers. It seems that development delays of exclusively breastfed infants are a component of the health inequalities that accompanies socioeconomic disadvantages.]]></abstract><cop>Jena</cop><pub>Elsevier GmbH</pub><pmid>17011234</pmid><doi>10.1016/j.ijheh.2006.08.001</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1438-4639 |
| ispartof | International journal of hygiene and environmental health, 2007-01, Vol.210 (1), p.51-60 |
| issn | 1438-4639 1618-131X |
| language | eng |
| recordid | cdi_proquest_miscellaneous_21046286 |
| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Adolescent Adult Air. Soil. Water. Waste. Feeding Amazon Animals Biological and medical sciences Brazil Breast Feeding Breastfeeding Environment. Living conditions Environmental Monitoring Female Fish consumption Fishes Food Contamination Hair - chemistry Hair-Hg Humans Infant Infant, Newborn Language Development Maternal Exposure - adverse effects Medical sciences Mercury - analysis Mercury - blood Mercury - toxicity Miscellaneous Motor Skills - drug effects Neuro-motor development Placenta - chemistry Pregnancy Public health. Hygiene Public health. Hygiene-occupational medicine Toxicology Umbilical Cord - chemistry Water Pollutants, Chemical - analysis Water Pollutants, Chemical - blood Water Pollutants, Chemical - toxicity |
| title | Maternal mercury exposure and neuro-motor development in breastfed infants from Porto Velho (Amazon), Brazil |
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