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T C D D & T P 8 (1) 2012 Summnry RICK KACTOR S AND SEIZURES IN CHILDREN WITH H YPOCALCAEMIA Tho study was conducted I''''rcjn 2000 to 2003 to examine the risk factors of seizures due to hypocalcaemia in[.]
T C D D & T P (1)-2012 Summnry RICK KACTOR.S AND SEIZURES IN CHILDREN WITH H YPOCALCAEMIA Tho study was conducted I'rcjn 2000 to 2003 to examine the risk factors of seizures due to hypocalcaemia in children with cohort design The total of 100 children diagnosed with seizure due to hypocalcaemia in National Hospital of Pediatrics were included in this study The results showed that there were 60% males among 100 children with seizures due to hypocalcaemia Most of the children were less than months of age (74%) and usually had seizures during spring or transition time between spring and summer Most of children with seizures due to hypocalcaemia had -symptoms ofrickets (85%) Most of children were breastfed and their mothers had no exposure to sun light for the first months postpartum with a strict diet and no supplements of calcium and vitamin D Conclusions: Risk factors related to seizures due to hypocalcaemia in this study are children less than months of age, spring and beginning of summer, rickets, breastfed child of mothers with strict diet and no exposure to sun light Keywords: seizures, hypoealeaeinia rieket.s THTJTC TRANG NHIEM KIM LOAI NANG TRONG THuf SAN NU6I HA NOI Trinh Bdo Nggc', Phgm Duy Tu&ng' , TrSn Thi '^hoa' Nghien ciru mirc dp nhiem kim loai nang 240 inau thiiy san cac lo^ii dupe lay tir 16 ao ho hifn dang nudi thiiy san ciia Ha Ngi vdo mua mua (thang 9) va mua khd (thdng 1,2) dd phat hien kim loai n§ng As, Cr, Hg, Pb, Cd, Ni vdi nuic dp d nhilm khdc Miia khd miic dp d nhiem cao hon h§n so vdi mua mira So vdi tieu chuan cho phep cae kim logi Pb, Cr & Ni co mite dp nhilm cao hem ca rdi d^n Hg Cd &As la it bj d nhiem hon cd Tir khod: nhiem, kim logi nang thuy sdn mioi I D,/^T VAN DE Trong nhuTig nam qua, dudi tdc ddng ciia ca che mai va chinh sdch khuyen khi'ch phat trien san xuat nudi thiiy san or Ha Npi da cd buac phat trien dang ke, di^n tich tdng theo timg nam Dac bi^t la sd di?n tich rupng triing chuyen sang cay liia ket hpp nudi ca da tang dang ke, cho hi?u qua kinh te gap 2-3 lan trdng liia [4], [5], Tuy nhien, nudi thiiy san hi?n dang phai do) mat vai mdi de dpa cang tdng tir nhiem ngudn nude nudi ddc biet la ngudn nudfc thai Hau hel cac ngudn nuac thai hien phan Idn deu khdng dupe \ u l y trudc thai mdi truang, d^c biei la luang nuac tliai tir eae nha may, khu edng nghi?p da gay d nhiem mdi truang nuoc be mat la nguon nuiic ngpt quan trpng ddi vdi ddi sdng nguoi cung nhu ddi vdi cac loai ' Ths, BS - Vien dao tgo YHDP va Y ICC, Trudng Dgi hpc Y Ha Npi so I Tdn That Timg, Ha Npi Dien thogi: 0936008081 Email: lrinhbaongocdd@yahoo.com = PGS, TS - Trudng DH Y Ha Npi ' Tnrdng DM Y Ha Npi NL^:i> nh-inbdi: 15/02/2012 Nga\ dJiig bai: 3/2012 Phan bien 1: PGS TS Ha Thj Anh Dao Vien Dinh du&ng Phan bifn 2; GS TS Nguyin Thi Hien Dgi hpc Bach Khoa HdNpi 20 TC.DD&TP8 (1)-20I2 thuy sinh, da anh hirdng den tdc dp sinh truang va phat tri^n ciia thuy sdn va cung la nguy ca gSy nhiem ngudn thuy san nudi [4], [5] Hang Ha Npi thai mdi truang khodng 260.000 m3 nudfc thai san xuat tir cac nha may, khu cong nghiep hau het chua qua xir ly ma dupe xa true tidp vao mdi trudng dan den nhiem,trdm trpng nguon nude m§t [2], dac biet la ve kim loai nang Hifn nay, cac sdng d ndi Ha Ndi nhu sdng Nhu?, sdng Kim Nguu sdng Td Ljch deu hi d nhiem ngng ne va hifn khdng edn kha nang tu lam sach Nhung cac sdng hien van la ngudn eung cap nude chinh eho cac ao hd nuoi thuy san tai Ha Ndi Cac ao ho nudi trdng thuy san tai quan Hoang Mai va huyen Thanh Tri, la noi cd dien tich va san luong thuy san fan nhat cua Ha Ndi deu dupe cung cap nuac tir song nude thai la sdng Td Lich vd sdng Nhue Muc tieu: Nghien ciiu dupe tien hanh nham danh gia mure dp nhiem ve kim loai ngng cua thuy san dupe nuoi d mdt sd ao/hd tren dia ban phd Ha Ndi Tir dS xuat nhirng kien nghi va giai phap gdp phan cai thien chat luong thuy sdn, dam bdo ve sinh an todn thuc pham cho ngudi tieu diing thang den thdng 6) va miia khd (tir thdng 10 den thang 12) 2.2.I.Cdch chgn & lay mau thuy sdn: liy tdt cd cdc lo^i thuy sdn dupe nudi bien tai cdc ao/ho eiia cde xd/ phuang vd cdc hd tu nhiC'n ciia Hd N^i Cdch lay mau va xir ly mau ca theo ti£u chuan TCVN 5993-1995 [1] 2.2.2.Xdc dinh miic d^ nhiSm ve kim hgi nang cd thuy sdn gom: As, Hg, Cd Cr, Ni vd Pb Phm/ng phdp phdn tich: Ham lupng cdc kim logi ndng thuy san dupe xir ly mau vd phan ti'ch djnh lupng tren may AAnalyst 30 (ciia hang Perkin Elmer - MT) theo phuang phap quang phd hap thy nguyen tu ngpn lira va khdng ngpn lira hodc phuang phdp hoa hai lanh tirng loai kim loai theo tieu ehuan cua Hifp hpi mdi trucmg MJ^ Tieu chuan danh gia d nhiem thuy sdn tuoi sdng: - "Qui dinh gidi han tdi da d nhiem sinh hpc vd hoa hpc thuc pham" Quya dinh sd 46/2007/Qf)-BTY ngdy i thdng 12 ndm 2007 [3] - TCCP cOa WHO ve kim loai nang thuy sdn ddi vdi cac nude dang phdt trian [7] So lieu dupe xu ly bang phan mem EPI-INFO 6.04 va SPSS 13.0 II D I TirqNG VA PHlTONG PHAP NGHIEN ClTU 2.1 Doi tu-ong, dja diem va thdi gian nghiSn cihi: Cac loai thuy san dugc nudi tai cdc ao/ho ciia phudng Hoang Lift, quan Hoang Mai; xd Dai Ang va xa Td Thanh Oai, huyen Thanh Tri va mdt sd hd khac nhu hd Tay, hd Yen Sd, Ha Ndi Thdi gian lay mlu la thang 8, 9/ 2007 va thang 1,2/2008 2.2 Phirong phap nghien ciru: Sir dung phucmg phap nghien ciru md ta cat ngang tai thai diem; miia mua (tir III KET QUA NGHIEN ClTU VA BAN LU^N 3.1 Khao sdt cae mau thuy san nhiem ni$t s6 KLN theo mua va cdc ho khac Qua khdp sdt va nghien ciiu tren 240 mau thuy san lay dupe tCr gan 16 ao ho hien dang nudi trdng thuy sdn vdo miia cho thdy tir 98-100% mau thuy san hi nhiem tdt ca cac kim loai ndng dupe nghien cim vdi miic dp nhiem khde theo loai kim loai, dia diem da dupe phan tich cho ket qua nliu hinh 1: 21 T C D D & I P (1)-201 Hinh I Bieu chi Ty If "'>> fu'iu thdy(ins,dot TCCP ve kim lotji n(ing theo mua khao thi day Id kim logi cd sd mau thuy Tir ket qua thu dupe d hinh cho ihay san dat TCCP thdp nhat Chi cd 0.8% sd irong kim log! dupe nghien ciiu As Id mau dai TCCP ve Ni va khdng cd mau kim loai cd sd mau thiiy san dat TCCP thiiy san nao dat dupe TCCP \ e Cr vdo ca cao nhat sau dd den Cd va Hg (tuong miia Khi danh gid theo tieu chudn img cd 100% 96,7% va 90.8% so mau cho thay miic dp nhiem trung binh cuaCr dat TCCP) Khdng cd sir khac biet giu'a vd Ni thuy san tat ca cdc ao ho miia ve li le sd mau thuy sdn dai TCCP ddu vupt tir 10 den 50 ldn Miie dp ciia kim loai Chi cd 49.2% sd mau nhiem vc Cr va N i ciing tdng cao \ miia thiiy san dat TCCP ve Pb thdp hon nhieu khd so voi miia mua tir den ldn so voi kim loai tren va cd su khde biet (p