Hình thái tổn thương xương con trong bệnh lý tai giữa và hiệu quả của trụ gốm thay thế xương con

HINH THAI TON THirONG XUffNG CON TRONG BENH LY TAI GlOfA

VA HIEU QUA CUA TRU GOM THAY THE XUtTNG CON

TOM TAT

Phau thuit chinh hinh xuang eon tmng cic bgnh ly

tai giira da phit triin mgnh a nwdc ta han 10 nim qua,

tuy nhiin eho din nay chwa cd sw thdng nhit nao vi

tiiu chuin vi hiiu qua cua cic chit ligu tgo hinh

xwang con.Mgc tieu:(1) Md ta cic hinh thii vi die

diem tdn thwang ciia xwang con tmng3 logi bgnh ly tai

giira. (2)Dinh gii higu qua cua tru gdm sinh hgc thay

the xwang con dwgc ung dung d nwdc ta trong 6 nam

qua.Doi tugmg vi phuomg phip (1) Nghiin ciru cic

hinh thii tdn thwang ciia xwang con tren 166 binh nhin

bj viem tai giira man tinh dn dinh, xgp nhT, xdp xa tai (2)

Dinh gii higu qua cua cic logi trg gdm dan vi kip thay

thi xwang con tdn thwang. Ket qui: Tdn thwang xwang

con cd die diim chung li gay mit nghe qua eh! sd

ABG tren 40dB. Cd 2 nhdm tdn thwang xwang eon : la

tdn thwang dan thuin mgt xwang vi tdn thwang phdi

hap 2 hogc ei 3 xwang con Ket lugn: Higu qua thay

the xwang con bing tru gdm sinh hoc tren 2 nhdm.tnj

dan thay the mgt xwang thinh Iwc ting trin 70%> , logi

tru kip thay hai hoic ei 3 xwang thinh Iwc tang trin

49%. Vdi khi ning nhw viy tru gdm di chimg td tinh

uv vigt han hin cic chit ligu khic vi khi ning ting

cwdng sire nghe eung nhw tinh kinh ti viphd cip.

Tir khda: chinh hinh xwang con, tru gom sinh hgc

, SUMMARY

Bioceramic prothesis for ossculoplasty in the

middle ear

Bioeemmic pmthesis for ossculoplasty in the middle

ear disease has been done in our country 8 years now.

Ojectives: Estimet the msult of the osculoplasty on the

patients of the middle ear diseases. The methods:

(1)166 cases of the middle ear with diseases ofosscular

have been evalueted by the oto-endoseope and

Audiometry pmoperation and postopemtion. (2)

Osseuloplasy by the Bioeemmic pmthesis has been

done for these patients.

The msults and conclusion: 1 .Osseuloplast with

bioeemmic pmthesis incmasing the hearing is over

60% for all of the middle ear diseases.2. The material of

the Bioeemmic pmthesis is best suitable for

ossculoplasty on patients of the middle ear diseases

over 10 years now in our country.

Keywords: Ossculoplasty, Bioeemmic pmthesis

DAT VAN Dt

Tdn thuang chudi xuang con rit thudng gap trong

cgc bgnh ly tai giira nhu viem tai giira, xa nhT, xep nhT,

xdp xa , chin thu'ong hogc dj hinh tai giii'a... Nhirng tdn

thuang nay thu'dng gay diic din tmyin ngng iam

ngudi bgnh rit khd khan. Phiu thugt tao hinh chudi

xuang con eho nhung ngudi bgnh nay d nu'de ta hign

nay edn rit han che va chi d mpt vai trung tam trpng ca

nudc vi hai ly do: thU nhit la vigc chin doan tdn

thuang xuong eon tru'dc phiu thugt rit khd khan nhit la

NGUYIN TAN PHONG, PHAM THANH TH^'

PHAN ANH LINH

nhu'ng tmdng hpp khdng thiing mang nhT, phiu thugt

vien thudng bj dpng khi ggp phai nhUng tdn thu'ong nay

trong luc md vgo tai giUa. ThU hai lg chit ligu d l thay

the xirong eon lai khdng cd san do vgy chit ligu ghep

thudng dirpc liy tU syn hogc manh xu'ong eiia ngudi

bgnh nen khdng thi dat tieu chuin ve hinh dgng vg kich

thu'dc vg nhit la khdng ed cac khdp kit ndi chle chin

vdi xuang eon cdn lai do vgy cac lien kit ngy sdm bj

gian doan hogc xa hda iam mit kha nang nghe ciia

ngudi bgnh. Chinh vi nhirng ly do neu tren mg nghien

cuu cua ehiing tdi nhim cgc muc tieu sau:

1. Nghign eUu hinh thai tdn thu'ong xu-ang con

trong cac bgnh ly tai giii'a.

2. oanh gia higu qua tpo hinh xuang eon bing trg

gdm sinh hpc trong cac bgnh ly tai giua nay.

PHU'ONG TIEN vA PHU'ONG PHAP NGHIEN eu'u

1. Ddi tu'p'ng nghien ciru

166 bgnh nhan tdn thu'ong chudi xuang con do cae

nguygn nhgn khgc nhau trong dd:

- 41 bgnh nhgn bj xpp nhT. "

- 25 bgnh nhgn sau phiu thugt khpgt chum tigt

cgn.

- 60 bgnh nhgn VTGmt dn djnh (giai doan xo nhT).

- 40 bgnh nhgn xdp xa tai.

2. Phu'cng phgp nghien ciru

Phu'ang phgp nghign cuu d day la md ta tUng ea ed

ean thigp

3. Phtrang tign

6 loai trg dan gdm sinh hpe thay thi xu'ong con cua

tai giua bj hdng(HI). ^ . • • i^

H1. Sau lo^i trg gdm thay thg xirang con

4. Tiln trinh nghien eu'u

a. Khgm iam sgng va npi spi tai danh gia tinh trpng

Y HOC THUC HANH (741) - S 6 11/2010 67