Nghiên cứu tổn thương tai trong do tiếng ồn cao tại xí nghiệp da giày

Bing 5. Bdc diim cdn iam sdng ciia benh nhan

hidn rb nhit Id: giam protein mdu (31,87%), tdng

GOT (25,27%), tdng GPT (23,07%), giam Albumin

m£u (9,89%) vd tdng Bilirubil Id 7,69%. Trong <56 a

nhbm nhidm virus vidm gan bieu hen cdctrieu chu’ng

c$n Idm sdng r6 rdt hon nhbm kh&ng nhidm. Ket qua

n£y phu ho’p vb’i nghien ciru cua Hodng Trung Vinh,

Phung Phirang Thao, Pham Thuy Hu’d’ng [3], dd chi

ra ty Id BN c6 men gan tdng a phdn nhbm HBsAg(+)

v^i phdn nhbm HCV(+) cao hon so vdci phdn nhbm

HbsAa(-) vd HCV(-)

KET LUAN

1. Ty If nhiim virus vidm gan

- Ty I# nhidm virus viem gan cua bdnh nhdn

LMCK tai Thdi Binh Id 35,2% trong db nhidm HCV Id

28,57% vd nhidm HBV 8,79%, ding nhidm Id 2,20%.

- Thd'i gian LMCK cdng ddi thi ty le nhidm virus

vidm gan cdng cao.

2. M$t sd ddc d iim Idm sdng vd cdn Idm sdng

cua vidm gan

- 0 bdnh nhdn LMCK thi tinh trang viem gan rit

hay gdp vai cac trieu chirng Idm sdng dien hinh nhir

met moi, ngira, gan to, roi loan tieu hba. dau HSP,

hodng dan. Trong db a nhbm benh nhdn nhidm virus

viem gan bieu hien cdc trieu chirng Idm sdng rb rdt

hon nhbm khong nhidm.

- Cdc trieu chirng cdn lam sdng ciia vidm gan biiu

hien ro nhat Id: giam protein mau, tdng men gan,

giam Albumin vd tdng Bilirubil Trong db a nhbm

nhidm virus viem gan biiu hien cdc tridu chirng cdn

Idm sdng rb ret han nhbm khbng nhidm.

TAI LIEU THAM KHAO

1. Nguydn Cao Ludn, Nguydn Nguydn Khbi vd

cong sy (2000). "Tinh trang nhidm virut vidm gan B vd

virut viem gan C trdn cdc benh nhdn Iqc mdu tai khoa

than nhdn tao-benh vien Bach Mai ti> 3/1997-4/2000,

Bdo cdo khoa hoc ky niim ngdy thdnh Idp Binh vi$n

Bach Mai.

2. Nguydn Cao Luan, Nguydn Nguydn Khbi, H i Lu’u

Chdu vd cs (2004). “Tinh trang Idy nhidm virus vidn

gan C vd bien phdp d i phbng Idy chdo tai khoa Thdn

nhdn tao benh vien Bach Mai 2001 - 2002“, Cbng trinh

nghidn ciru khoa hoc Benh vien Bach Mai 2003 - 2004,

nhd xuit ban Y hoc, tr 346 -361.

3. Hodng Trung Vinh, Phung Phuang Thao vd cs

(2005). “Ty le vd ddc diim nhiim virus vidm gan B, C

a benh nhdn suy thdn man tinh diiu tri bdng Iqc mdu

chu ky”. Tap chi thdng tin y ducrc, s6 thdng 4/2009.

4. Dussol,B.,Berthezene,P.,Brunet,P.,&Ber1and,Y.

(1995), ’’Hepatitis C virus infection among chronic

dialysis patients in the southeast of France", Nephrol

Dial Transplant, 10(4), 477-8.

nhiim virus vidm gan

Virus

ISm s^ng

Nhiim (n = 32) Khdng nhifem

(n = 59)

n % n %

T3nq GOT 11 34,38 12 20,34

Tang GPT 10 31,25 11 18,64

Tana Bilirubin TP 3 9,38 4 6,78

Giam Protein mSu 9 28,13 20 33,90

Giam Albumin

mau

1 3,13 8 13,56

Cdc tridu chirng cdn Idm sdng cua vidm gan bieu

NGHIEN Clfcj TON THlTONG TAI TRONG DO TIENG ON CAO TAI XI NGHIEP DA GIAY

NGUYiN BANG QUOC CHAN - Khoa Y Duqc - Dai hqc Dd N ing

TOM TAT

Bdf van de: Suy gidm thinh luc do tS bao long

ngodi cua co quan Corti tai trong bj thuvng tdn khd

phyc hdi gdy nin boi tiep xuc thu&ng xuyen v&i tieng

dn trong th&i gian ddi (8 gi&/ngdy, trin 6 thdng). Binh

Clide nghd nghi$p thu&ng xdy ra trong mdi tru&ng lao

ddng t$i Vi$t Nam vd dang cd xu hu&ng gia tdng. Do

v$y cdn cd cdc g:ai phdp ngdn ngCra h iiu qud hon tir

vi$c quan tdm ddy du, dung muc vd tinh trang giam

sue nghe cua cdng nhdn.

Myc tidu: Ddnh gid muc dd d nhidm tidng dn vd

gidm thinh luc cua cdng nhdn da gidy trong 4 ndm

2005 - 2008.

Phuvng phip nghiin ciru: Cdt ngang md td,

tfcu chi chQn mdu: 1206 didm mdi tru&ng lao ddng

(MTLD) cd tidng 6n cao, sau dd chqn 1800 ngu&i lao

tyng (NLD) Idm vi$c trong cdc MTLD cd tidng 6n trin

85dBA t$i cdc xl nghidp da gidy.

Thdi gian thirc hiin: Ti> thdng 01/2005 ddn

12X008.

Ket qui: Nganh Da gidy cd ty I$ s6 didm 6n vu&t

la 13,3%, cd muc do o nhidm tidng on cao vux/t mire

vd cu&ng do cao nhdt 6dBA. Ty Id DNN Da gidy Id

1,5%. Ty le DNN & nam gi&i trong ngdnh Da gidy Id

3,8% gdp 3 Ian so v&i nCr 1,2%.

Ket lu in : Trong nganh nghe Da gidy cho thdy, do

7 - 8 diem mdi tru&ng lao dong thi cd 1 didm vuxyt

muc cho phip vd trong 67 NLD o mdi tru&ng tidng 6n

cao vuxyt mire thi cd 1 bi DNN. Khi NLD Idm vide tdng

them 1 ndm thi nguy co bi DNN tdng lin 1,11dn.

Tir khda: giam thinh luc do 6n.

SUMMARY

DAMAGE OF THE ” INNER EAR DUE TO

WORKPLACE NOISE IN WORKERS OF FOOTWEAR

LEATHER MANUFACTURING ENTERPRISES

Background: Noise-Induced Hearing Loss is

common occupational disease, it tends to increase

gradually. Hearing Loss can be caused by

environmental noise exposure. Controlling noise

within the workplace can help to prevent from losing

hearing.

Objectives: To assess noise-exposed level and

Y HOC THUC HANH (905) - S6 2/2014 87