Epidemiology of antibiotic resistance in Burkina Faso

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Correspondence to: Prof Salvatore Musumeci Department of Phar- macology ..... L, Jarlier V, Aubry-Damon H. Réseau européen de sur- veillance de la ...
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(BMR),a b l et os u r v i v et r e a t me n twi t hs e v e r a lc l a s  s e so fa n t i b i o t i c s ,h a sg i v e nr i s et or e d u c e do ra b s e n t t h e r a p e u t i co p t i o n sf o rt h et r e a t me n to fi n f e c t i o u s d i s e a s e s[1,2].Pr e v i o u si r r a t i o n a lu s eo fa n t i b i o t i c s wi t hb r o a ds p e c t r u ma c t i v i t y ,l i k et h es e c o n da n d t h i r dg e n e r a t i o nc e p h a l o s p o r i n s ,h a sl e a dt or e s i s t  a n c et ome t h i c i l l i n,e v e ni ni n f e c t e di n d i v i d u a l swh o h a dn e v e rb e e ne x p o s e dt ome t h i c i l l i n [3].Ot h e r c a u s e ss u c ha si n c o r r e c td i a g n o s e s ,a b u s i v ep r e s c r i p  ·1·

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t i o n s ,i n a p p r o p r i a t eu s eo fa n t i b i o t i c sb yp a t i e n t s , s e l fme d i c a t i o n,e x c e s s i v ed r u gc o n s u mp t i o na n dt h e u s eo fa n t i b i o t i c sa sf o o ds u p p l e me n t si nv e t e r i n a r y me d i c i n eh a sa l s oc o n t r i b u t e dt oa n t i b i o t i cr e s i s t  [4] a n c e s . I nf a c ti nma n yd e v e l o p i n gc o u n t r i e sl i k eBu r k i  ,r e s i s t a n c et oa n t i b i o t i c sh a sb e c o meama j o r n aFa s o p u b l i ch e a l t hc o n c e r nwi t he c o n o mi ca n ds o c i a li m p l i c a t i o n s .I nt h i sc o u n t r yt h ea v a i l a b i l i t yo ft h ed i f  f e r e n ta n t i b i o t i c si sl i mi t e da n du s u a l l yb e t a l a c t a ms , a mi n o g l y c o s i d e sa n dq u i n o l o n e sa r eu s e df o rt h e t r e a t me n to fi n f e c t i o n s . :i )t od e t e r mi n et h e Th ea i mo ft h i ss t u d ywa s p r e v a l e n c e so ft h emo s ti mp o r t a n tp a t h o g e n i cb a c t e r i  ai nt h et o wno fOu a g a d o u g o u;i i )t oi d e n t i f yt h e b a c t e r i at h a th a v ea c q u i r e da n t i b i o t i c  r e s i s t a n c eu n  ; d e rt h es e l e c t i v ea n t i b i o t i cp r e s s u r ei nBu r k i n aFa s o i i i )t oc o mp a r er e s i s t a n c e so fEs c h e r i c h i ac o l ii s o l a  t e df r o ms t o o lc u l t u r e si n2 0 0 2b yBo n f i g l i oe ta l [5] (2 0 0 2) i nBu r k i n aFa s owi t ho u rp r e s e n tr e s u l t s ;i v )t od r a wc o n c l u s i o n sf r o mo u rs t u d yi n a n dl a s t l y o r d e rt og i v ea d v i c et h a twi l le n a b l et or e d u c ef u r t h e r t h eb a c t e r i a lr e s i s t a n c e st oa n t i b i o t i c su s u a l l yu t i l i z e d i nBu r k i n aFa s o . MATERI ALSANDMETHODS Sa mpl i nga nde qui pme nt Fr o mMa y2 0 0 1t oMa y2 0 0 6,6 2 6 4s a mp l e so f b l o o d,s t o o l s ,u r i n e ,s p u t u m,p u sa n dv a g i n a ls e  c r e t i o nwe r ec o l l e c t e df r o mo u t p a t i e n t sa n dt e s t e di n CMC)l a b o r a t o r y . S a i n tCa mi l l eMe d i c a lCe n t e r(S Ea c hs a mp l ewa si n o c u l a t e da n di n c u b a t e di na e r o b i c c o n d i t i o n sa t3 7°Co ra c c o r d i n gt os p e c i f i cr e q u i r e  me n t si na na n a e r o b i ce n v i r o n me n t .I nt h i ss t u d y , 1 3 3 5s t o o lc u l t u r e s ,1 8 7 8u r i n ec u l t u r e s ,1 1 8 0c u l  t u r e so fv a g i n a ls wa b s ,2 4 5o fp u sa n d4 3o fo t h e r c l i n i c a ls p e c i me n ss u c ha sb l o o d,s p u t u ma n dc e r e  b r o s p i n a lf l u i d(CRL)we r ec a r r i e do u t .Af t e rb e i n g i s o l a t e da n di d e n t i f i e d,t h eb a c t e r i awe r ee x p o s e dt o ,i no r d e rt od e t e r  v a r i o u sa n t i b i o t i c sc o n c e n t r a t i o n s mi n et h emi n i ma li n h i b i t o r yc o n c e n t r a t i o n s(MI Cs ), a c c o r d i n gt ot h eme t h o dd e s c r i b e db yt h eCl i n i c a l a n dNa t i o n a lCo mmi t t e ef o rCl i n i c a la n dLa b o r a t o r y S t a n d a r d s(NCCLS), 1 9 9 8(6)[6]. I de nt i f i c a t i o n Th eb a c t e r i a li d e n t i f i c a t i o nwa sc a r r i e do u to n t h eb a s i so fmo r p h o l o g i c a lc h a r a c t e r i s t i c sb yo b s e r v  ·2·

i n gt h ec o l o n i e sa n dc o n f i r mi n gt h er e s u l t sb yAp i2 0 s y s t e m(Bi o Me r i e u x ,Fr a n c e )f o re n t e r o b a c t e r sa n d t a p h i l o c o c c u s b yAp i2 0S t a p ha n dAp i2 0S t r e pf o rs s p pa n ds t r e p t o c o c c u ss p pr e s p e c t i v e l y . Ant i bi o t i c s Mo s ta n t i b i o t i c su s e da ss u b s t r a t e si no u rs t u d y , we r ea c q u i r e db yS i g ma(Ch e mi c a lCoS tLo u i s , MO,U.S.A)a n dt h ea b b r e v i a t i o na r es u mma r i z e d a sf o l l o w:Amo x y c i l l i n(Amx ),Amo x y c i l l i n/ c l a v u  i c i l l i n(Am),Ce f a z o l i n e l a n i ca c i d(Amc),Amp (Cz ),Ch l o r a mp h e n i c o l(Cl ),Ci p r o f l o x a c i n(Ci p  r o ),Co t r i mo x a z o l e(S x t ),Ge n t a mi c i n(Gm),Na  l i d i xa c i d (Na), Li n c o my c i n (L), No r f l o x a c i n (No r ),Ne t i l mi c i n(Ne t ),Ol e a n d o mi c i n(Ol ), Pr i s t a mi c i n e(Pr ),Te t r a c y c l i n e(Te ). Ant i bi o t i cs us c e pt i bi l i t yt e s t i ng Al lt h es t r a i n si s o l a t e dwe r et e s t e di no r d e rt o d e t e r mi n et h e i rs u s c e p t i b i l i t yt ot h ev a r i o u sa n t i b i o t  i c st h r o u g ht h ed i s c  d i f f u s i o nme t h o db yu s i n ga g a r o fMu e l l e rHi n t o na c c o r d i n gt ot h eme t h o dr e c o m me n d e db yt h et h eNa t i o n a lCo mmi t t e ef o rCl i n i c a l a n dLa b o r a t o r yS t a n d a r d s(NCCLS), 1 9 9 8.Th ea g a r p l a t e sc o n t a i n i n gt h ed i s c swe r ei n c u b a t e da t3 7°C f o r1 8 2 4h o u r s .Af t e rt h i si n c u b a t i o n,t h ez o n e so f i n h i b i t i o na r o u n dt h ea n t i b i o t i cd i s c swe r eme a s u r e d b yme a n so fac a l l i p e r . Th emu l t i  r e s i s t a n c et oa n t i b i o t i c swa sd e f i n e d a sac o n d i t i o nwh e r eas p e c i f i cb a c t e r i ai sr e s i s t e n tt o s e v e r a la n t i b i o t i c s . Th eEt h i c a lCo mmi t t e eo ft h eS CMCa p p r o v e d t h i ss t u d ya n di n f o r me dc o n s e n twa so b t a i n e df r o m a l lp a t i e n t sb e f o r ec o l l e c t i n gt h ec l i n i c a ls a mp l ef o r t h eu s eo fp e r s o n a ld a t a . St a t i s t i c a la na l y s i s Th ep r e v a l e n c eo fb a c t e r i a li s o l a t i o na n dt h ed r u g  r e  s i s t a n c ewe r er e c o r d e do nac o mp u t e rf i l ea n da n a  l y z e db ys t a n d a r ds o f t wa r eS PS S1 2 (S PS SI n c , US A)f o rWi n d o ws .S t a t i s t i c a ls i g n i f i c a n c ewa ss e t a tP<0. 0 5. RESULTS 1 5 8 3/ 6 2 6 4(2 5  2 7%) c u l t u r e so ft h e s ec l i n i c a l s a mp l e sg a v en e g a t i v er e s u l t sa n d4 6 8 1/ 6 2 6 4 (7 4  7 3%) we r ec u l t u r ep o s i t i v e ,o ft h e s e1 4 2 1 we r es h o wnt ob eg r a m p o s i t i v eb a c t e r i aa n d3 2 6 0

As i a nPa cJTr o pMe d 2 0 0 8; 1(2): 1 6 g r a m n e g a t i v eb a c t e r i a .Fr o mt h e1 3 3 5s t o o lc u l t u r e s c a r r i e do u ti nt h i ss t u d yt h ef o l l o wi n gmi c r o  o r g a n  a l mo n e l l as p p5 5 5(4 1. 6%), i s mswe r ei s o l a t e d:S S h i g e l l as p p2 9 5(2 2.1%),Es c h e r i c h i ac o l i2 8 1 (2 1. 1%),Ed wa r d s i e l l at a r d a6 9(5  2%),Ye r s i n  i as p p5 8(4  3%)a n d7 7o t h e rb a c t e r i a(5  7%). ,i s o  Ot h e rb a c t e r i a lp a t h o g e n sa n dt h e i rp r e v a l e n c e s l a t e df r o m1 8 7 8u r o c u l t u r e s ,1 1 8 0v a g i n a ls wa b sa n d 2 4 5s a mp l e so fp u sa r er e p o r t e di nTa b l eI .I ns o me s a mp l e smo r et h a no n eb a c t e r i a ls p e c i e swe r ei s o l a  t e d. Th ea n t i b i o g r a mme ss h o we dr e s i s t a n c e st os e v  e r a la n t i mi c r o b i a la g e n t s :t h er e s i s t a n c et oAmo x y  c i l l i no fAc i n e t o b a c t e rs p p,Es c h e r i c h i ac o l i ,En t e r  o b a c t e rs p p,Pr o t e u ss p p,S a l mo n e l l as p p,S h i g e l l a s p pa n dKl e b s i e l l as p pwe r er e s p e c t i v e l y :4 4  1%, 7 8  2%, 7 0. 2%, 9 5. 6%, 6. 2%, 7 3. 2a n d8 9  9%, r e  i n e  s p e c t i v e l ywh i l et h er e s i s t a n c et oAmp i c i l l i no fAc t o b a c t e rs p p,Es c h e r i c h i ac o l i ,En t e r o b a c t e rs p p,Pr o  p p,S a l mo n e l l as p p,S h i g e l l as p pa n dKl e b s i e l l a t e u ss s p pwe r e :4 6. 9%,7 7. 4%, 6 7  3%, 8 6  8%, 4 1. 9%, 6 1. 8% a n d8 9. 9%,r e s p e c t i v e l y(Ta b l eI I ). Gr a m n e g a t i v eb a c t e r i af o rt h ef i r s tt i mea p p e a r t ob ea l s omu l t i  r e s i s t a n t :i nBu r k i n aFa s oPr o t e u s s p ph a sr e c e n t l ya c q u i r e dmu l t i  r e s i s t a n c e st oAmp i  c i l l i n (8 6.8%), Amo x y c i l l i n (9 5.6%) a n d Amo x y c i l l i n/ c l a v u l a n i ca c i d(9 4  3%).Weh a v e a l s of o u n dah i g hp r e v a l e n c eo fEs c h e r i c h i ac o l ir e  7  4%),Amo x y c i l l i n/ c l a v u  s i s t a n tt oAmp i c i l l i n(7

0.6%),Amo x y c i l l i n(7 8  2%)a n d l a n i ca c i d(5 1  2%).Kl e b s i e l l as p ph a sa l s oa c  Co t r i mo x a z o l e(7 q u i r e dmu l t i  r e s i s t a n c e st oAmp i c i l l i n(8 9  9%), Amo x i c i l l i n(8 9  9%) a n dAmo x y c i l l i n/ c l a v u l a n i c 2.7%)(Ta b l eI I ).Th er e s i s t a n c et ot h e a c i d(4 o t h e ra n t i b i o t i c st e s t e d(Ci p r o ,No ra n dNa)wa s 1%)b o t hf o rEs c h e r i c h i ac o l ia n d v e r yl o w(< 2 Kl e b s i e l l a. Gr a m p o s i t i v eb a c t e r i ai s o l a t e di nt h i ss t u d y l i k eS t r e p t o c o c c u ss p pa n dS t a p h y l o c o c c u ss p ph a v e s h o wnah i g hp r e v a l e n c eo fr e s i s t a n c et oLi n c o my c i n (8 2. 5% a n d5 4. 6% r e s p e c t i v e l y );t oOl e a n d o m y c i n(7 1. 3% a n d5 5. 2% r e s p e c t i v e l y )a n dav e r y l o wr e s i s t a n c e(1.3% a n d0.8% r e s p e c t i v e l y)t o Ne t i l mi c i n(Ta b l eI I I ). Ta b l eI Vs h o wst h ed i f f e r e n tr e s i s t a n c er a t e so f Es c h e r i c h i ac o l is t r a i n si s o l a t e di nu r i n ec u l t u r e , s t o o lc u l t u r ea n dg e n i t a ls wa b.Th ed i f f e r e n c e si nt h e p e r c e n t a g e so fr e s i s t a n c ewe r es i g n i f i c a n t l yo n l yf o r S XT, Ch l o r a mp h e n i c o la n d Ci p r o f l o x a c i n (P< 0  0 0 1). La s t l y ,i nTa b l eVt h ep e r c e n t a g eo fa n t i b i o t i c  r e s i s t a n c eo fEs c h e r i c h i ac o l ii s o l a t e df r o ms t o o lc u l  t u r e sf o u n di nt h i ss t u d ys h o wsas i g n i f i c a n tr e d u c  t i o nf o rAmp i c i l l i na n dAmo x y c i l l i na sc o mp a r e dt o t h a tf o u n di n1 9 9 9 2 0 0 0(Bo n f i g l i oe ta l2 0 0 2)[5], wh i l et h er e s i s t a n c eo fCh l o r a mp h e n i c o li n c r e a s e d f r o m4. 8 4% t o3 2. 7%.

Ta bl eI :Fr e que nc yo fp a t ho g e ni cb a c t e r i a li s o l a t e sf r o md i f f e r e n ts pe c i me nt y p e sa tS CMC Co pr o c u l t u r e (%)

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2 8 1(2 1. 1)

6 1 1(3 2. 5)

S al mo ne l l as p p.

5 5 5(4 1. 6)

6(0. 3)

S hi ge l l as pp.

2 9 5(2 2. 1)

0(0. 0)

0(0. 0)

0(0. 0)

0(0. 0)

2 9 5(6. 3)

Ac i ne t o b ac t e r

6(0. 5)

1 9 5(10. 4)

59(5. 0)

6(2. 4)

0(0. 0)

2 6 6(5. 7)

11(0. 8)

1 01(5. 4)

67(5. 7)

0(0. 0)

0(0. 0)

1 7 9(3. 8)

Ent e r o b ac t e rs pp.

Pu s (%)

Ot h e r (%)

Ov e r a l (%)

3 60(3 0. 5)

3 9(1 5. 9)

0(0. 0)

1 2 9 1(2 7. 6)

0(0. 0)

0(0. 0)

0(0. 0)

5 6 1(1 2. 0)

Hae mo p hi l uss p p.

0(0. 0)

0(0. 0)

11(0. 9)

0(0. 0)

0(0. 0)

1 1(0. 2)

Pr o t e uss pp.

30(2. 3)

3 4(1. 8)

6(0. 0)

6 5(2 6. 5)

6(1 3. 9)

1 4 1(3. 0)

Ps e udo mo nass p p.

0(0. 0)

0(0. 0)

0(0. 0)

1 2(4. 9)

0(0. 0)

1 2(0. 3)

S t r e p t o c o c c uss pp

0(0. 0)

1 56(8. 3)

2 92(2 4. 7)

3 4(1 3. 9)

1 7(3 9. 5)

4 9 9(1 0. 7)

Ye r s i ni as pp.

5 8(4. 3)

0(0. 0)

0(0. 0)

0(0. 0)

0(0. 0)

5 8(1. 2)

Edwar ds i e l l at ar d a

6 9(5. 2)

0(0. 0)

0(0. 0)

0(0. 0)

0(0. 0)

6 9(1. 5)

Kl e b s i e l l as pp.

12(0. 9)

1 84(9. 8)

1 47(1 2. 5)

1 2(4. 9)

1 0(2 3. 2)

3 5 9(7. 7)

Pl e i o mo nass hi g he l l o i de s

1 8(1. 4)

0(0. 0)

0(0. 0)

S t ap hy l o c o c c usa u r e us

0(0. 0)

5 9 1(31. 5) 2 38(2 0. 2)

0(0. 0)

0(0. 0)

1 8(0. 4)

7 7(3 1. 4)

1 6(3 7. 2)

9 2 2(1 9. 7)

1 3 3 5(1 0 0. 0) 1 8 7 8(1 0 0. 0) 1 1 80(1 0 0. 0) 2 4 5(1 0 0. 0)

  0 8.As i a nPa c i f i cJ o u r n a lo fTr o pi c a lMe di c i ne . 20

4 3(1 0 0. 0) 4 6 8 1(1 0 0. 0)

·3·

Si mpor eJetal .Epi demi ol ogyofant i bi ot i cr es i s t ancei nBur ki naFas o

Ta bl eI I:Pe r c e n t a g eo fGr a m ne g a t i v eb a c t e r i a li s o l a t e sr e s i s t a ntt oa n t i mi c r o b i ca g e n t s Dr ug

Am

Amx

Amc

Gm

Ne t

Sx t

Ac i n e t o b ac t e r Es c h e r i c h i ac o l i

(67. 3%)

(8 6. 8%)

(4 1. 9%)

(6 1. 7%)

8 9. 9%)

12 2/ 26 0

94 3/ 121 8

1 1 3/ 1 68

1 1 8/ 1 3 6

2 3 3/ 5 5 6

1 8 2/ 2 9 5

3 0 3/ 3 3 7

(4 1. 9%)

(78. 2%)

(70. 2%)

9 5. 6%)

(6 2. 2%)

(7 3. 2%)

(8 9. 9%)

10 9/ 26 0

95 3/ 121 8

1 1 8/ 1 68

1 3 0/ 1 3 6

3 4 6/ 5 5 6

2 1 6/ 2 9 5

3 0 3/ 3 3 7

(4 0. 8%)

(50. 6%)

(46. 4%)

(9 4. 1%)

(4 8. 4%)

(2 0. 7%)

(4 2. 7%)

10 6/ 26 0

61 6/ 121 8

7 8/ 1 6 8

1 2 8/ 1 3 6

2 6 9/ 5 5 6

6 1/ 2 9 5

1 4 4/ 3 3 7

(8. 5%)

(9. 8%)

(0. 0)

(5. 1%)

(0. 0)

22/ 2 60

11 9/ 121 8

0/ 1 6 8

7/ 1 3 6

0/ 5 5 6

(4. 2%)

(4. 6%)

(3. 6%)

(6. 6%)

(0. 0)

(0. 0)

(5. 9%)

11/ 2 60

5 6/ 12 1 8

6/ 1 6 8

9/ 1 3 6

0/ 5 5 6

0/ 2 9 5

2 0/ 3 3 7

(5 0. 4%)

(71. 2%)

(24. 4%)

(3 8. 2%)

(2 3. 8%)

(4 5. 8%)

(4 0. 6%)

13 1/ 26 0

86 7/ 121 8

4 1/ 1 6 8

5 2/ 1 3 6

1 3 2/ 5 5 6

1 3 5/ 2 9 5

1 3 7/ 3 3 7





(9. 7%)

(2 1. 7%)

5 4/ 5 5 6

6 4/ 2 9 5





(3 2. 7%)

(7 0. 2%)

1 8 2/ 5 5 6

2 0 7/ 2 9 5

Te



Ci pr o

No r

Pr o t e u ss p p. S a l mo n e l l as p p. S h i g e l l as p p. Kl e b s i e l l as p p.

(77. 4%)





s pp.

(4 6. 9%)

Cl

Na

En t e r o b a c t e r

(17. 1%) 20 8/ 121 8 (66. 1%) 80 5/ 121 8



(3. 6%) 1 2/ 3 3 7





(1 6. 7%)

(20. 9%)

(16. 7%)

(3 7. 5%)

(1 2. 0%)

(1 5. 2%)

(1 2. 7%)

42/ 2 60

25 4/ 121 8

2 8/ 1 6 8

5 1/ 1 3 6

6 7/ 5 5 6

4 5/ 2 9 5

4 3/ 3 3 7

(3 0. 4%)

(21. 7%)

(23. 2%)

(2 4. 3%)

(1 0. 1%)

(1 2. 2%)

(2 8. 5%)

79/ 2 60

26 4/ 121 8

3 9/ 1 6 8

3 7/ 1 3 6

5 6/ 5 5 6

3 6/ 2 9 5

9 6/ 3 3 7

(6. 5%)

(1 3. 0%)

(0. 0)

(0. 0)

(0. 0)

(8. 8%)

(0. 0)

17/ 2 60

15 9/ 121 8

0/ 1 6 8

0/ 1 3 6

0/ 5 5 6

2 6/ 2 9 5

0/ 3 3 7

(1 2. 2%)

(4. 8%)

(0. 0)

(0. 0)

(0. 0)

(2. 7%)

(2. 1%)

31/ 2 60

5 8/ 12 1 8

0/ 1 6 8

0/ 1 3 6

0/ 5 5 6

8/ 2 9 5

7/ 3 3 7

Ta bl eI I I:Pe r c e nt a g eo fGr a m p o s i t i v eb a c t e r i a li s o l a t e sr e s i s t a n tt oa n t i mi c r o b i ca g e n t s .

·4·

Dr ug

S t r e p t o c o c c u ss p p.

S t a p h y l o c o c c u ss p p.

Am

(23. 0%)104/ 4 5 3

(5 1. 4%)4 5 7/ 8 8 8

Amx

(40. 6%)184/ 4 5 3

(5 6. 4%)5 0 1/ 8 8 8

Amc

(20. 7%)9 4/ 4 5 3

(4 4. 3%)3 9 3/ 8 8 8

Gm

(25. 4%)115/ 4 5 3

(2. 5%)2 2/ 8 8 8

Ne t

(1. 3%)6/ 4 5 3

(0. 8%)7/ 8 8 8

Cz

(42. 1%)191/ 4 5 3

(2 4. 8%)2 2 0/ 8 8 8

Ol

(71. 3%)323/ 4 5 3

(5 5. 2%)4 9 0/ 8 8 8



(82. 5%)374/ 4 5 3

(5 4. 6%)4 8 5/ 8 8 8

Pr

(36. 4%)165/ 4 5 3

(4 3. 2%)3 9 2/ 8 8 8

As i a nPa cJTr o pMe d 2 0 0 8; 1(2): 1 6 Ta bl eI V:Pe r c e nt a g eo fEs c h e r i c h i ac o l ii s o l a t e sf r o md i f f e r e n ts p e c i me nr e s i s t a n tt oa n t i mi c r o b i a la g e n t s Es c h e r i c h i ac o l i Dr ug Sx t

Am

Amx

Amc

Cl

No r

Na

Ci p r o

St o o l

23 7/ 2 81

2 02/ 2 81

2 1 3/ 2 8 1

1 0 8/ 2 81

8 9/ 2 8 1

3 2/ 2 8 1

5 7/ 2 8 1

1 6. 5/ 2 8 1

Cul t ur e Ur i ne

83. 3% 44 7/ 61 1

71. 8% 5 0 2/ 6 1 1

75. 8% 483/ 61 1

3 8. 5% 3 1 5/ 6 11

3 1. 6% 1 2 1/ 6 1 1

1 1. 3% 2 9/ 6 1 1

2 0. 2% 1 3 0/ 6 1 1

5. 9% 1 3 3/ 6 1 1

Cul t ur e Ge ni t a l

7 3. 1%  25 9/ 36 0

82. 1% 2 9 1/ 3 6 0

7 9. 0% 288/ 36 0

49. 5% 1 8 3/ 3 60

1 9. 8%  7 2/ 3 6 0

4. 7% 1 7/ 3 6 0

2 1. 3% 7 9/ 3 6 0

2 1. 7%  7 5/ 3 6 0

Cul t ur e

7 1. 9% 

80. 8%

8 0. 1%

61. 8

2 0% 

4. 7%

2 1. 9%

2 0. 8% 

  St o o l i ne n i t a l P<0. 00 1 → Ur →Ge Ta bl eV:Co mpa r i s o no fr e s i s t a nc eo fi s o l a t e dEs c he r i c h i ac o l ii nc o pr o c u l t u r eb yBo n f i g l i oe ta l .2 0 0 2a n dS i mp o r ee ta l .2 0 0 6 Co pr o c u l t u r e:Es c h e r i c h i ac o l i Dr ug Am Amx Amc C Sx t No r

Bo n f i g l i oe ta l2 0 0 2 N° 27 4/ 2 8 9 27 4/ 2 8 9 1 36/ 2 8 9 1 4/ 28 9 2 31/ 289 4 0/ 2 8 9

% 94. 8 94. 8 4 7. 0 4. 84 7 9. 9 1 3. 8

DI SCUSSI ON I nt h ewo r l d,i n f e c t i o u sd i s e a s e sa c c o u n tf o r1 7 mi l l i o no fd e a t h sp e ry e a r ,wh i c hr e p r e s e n t so n e t h i r do ft h emo r t a l i t yi nt h ewo r l d[7].Th e yr e p r e s e n t 4 3% o ft h ed e a t h si nd e v e l o p i n gc o u n t r i e sa g a i n s t1 %o ft h o s ei ni n d u s t r i a l i z e dc o u n t r i e s .Th i ss i t u a t i o n i sl i k e l yt owo r s e na sar e s u l to ft h ef a s two r l d wi d ee  me r g e n c e o fa n t i b i o t i c mu l t i r e s i s t a n t mi c r o b i a l s t r a i n s . t o o l s ,u r i n e ,s p u t u m, Amo n gt h e6 2 6 4b l o o d,s s k i n,p u sa n dv a g i n a ls wa bc l i n i c a ls a mp l e sc o l l e c t  e da n dt e s t e di nS CMCl a b o r a t o r y ,4 6 8 1we r ep o s i  t i v ef o rb a c t e r i a lc u l t u r e(7 4.7 3%).A h i g hf r e  q u e n c yo fi s o l a t i o no fEs c h e r i c h i a.c o l i(3 2.5%) wa sf o u n df r o mu r i n ec u l t u r e s .Th i sp r e v a l e n c ei sa l  9. 7%) mo s te q u a lt ot h a tf o u n db yLi ne ta l2 0 0 6(2 i ni n s t i t u t i o n a l i z e de l d e r l yl i v i n gi nTa i wa n[8]a n db y [5] Bo n f i g l i oe ta l2 0 0 2(3 5. 0%)i nBu r k i n aFa s o , b u td e f i n i t e l yl o we rt h a nt h o s ei d e n t i f i e db yAb d u l l a h e ta l .2 0 0 5(6 6. 7%)[9] i nUn i t e dAr a bEmi r a t e s , Al  Ha d d a dAM 2 0 0 5(4 1.5%) [10] a n dMo h a n n a [1 1] 6. 3%) i nYe me n,p r o b a b l y a n dRa j a ' a2 0 0 5(6 d u et od i f f e r e n ti d e n t i f i c a t i o nme t h o d.Th er e s u l t so f t h ea n t i b i o t i cs u s c e p t i b i l i t yo fEs c h e r i c h i ac o l id e t e c  t e db yMo h a n n aa n dRa j a' a ,2 0 0 5[11] d i f f e r e df r o m :Na l i d i x i ca c i d(7 0.0% a n d7 9. o u r sr e s p e c t i v e l y 1%);Amo x y c i l l i n/ c l a v u l a n i ca c i d(2 9.9% a n d   0 8.As i a nPa c i f i cJ o u r n a lo fTr o pi c a lMe di c i ne . 20

S i mp o r ee ta l2 0 0 6 N° 2 1 6/ 2 8 1 2 3 2/ 2 8 1 1 2 3/ 2 8 1 9 2/ 2 8 1 2 3 4/ 2 8 1 3 2/ 2 8 1

% 7 6. 8 8 2. 6 4 3. 7 3 2. 7 8 3. 3 1 1. 4

P <0. 0 1 <0. 0 1 0. 4 6 5 <0. 0 1 0. 3 0 3 0. 6 5 4

n dCo t r i mo x a z o l e(1 6. 4% a n d2 2. 6%). 4 9. 4%)a Wea l s oi d e n t i f i e d9. 8% o fKl e b s i e l l as p p.Th i sp e r  c e n t a g ei sl o we rt h a nt h a tf o u n db yLi ne ta l ,2 0 0 6 (2 1. 6%)[8] i nCh i n a ,b u th i g h e rt h a nt h a to fMo  h a n n aa n da l ,2 0 0 5(3.9%) [11].S t a p h y l o c o c c u s s p p(1 9  7%),S a l mo n e l l as p p(1 2. 0%),S t r e p t o  c o c c u ss p p(1 0.7%),Kl e b s i e l l as p p(7.7%)a n d Ac i n e t o b a c t e rs p p(5  7%)we r ea l s oi s o l a t e di na v a r i a b l ep e r c e n t a g eo fc a s e sa c c o r d i n gt h ed i f f e r e n t b l eI ). t y p eo fc l i n i c a ls p e c i me n s(Ta I nt h ec a s eo ft h eGr a m p o s i t i v eb a c t e r i ai s o l a  t e di no u rs t u d y ,S t r e p t o c o c c u ss p pa n dS t a p h y l o c o c  c u ss p ph a v es h o wnr e s p e c t i v e l yl o wr e s i s t a n c er a t e s t oNe t i l mi c i n (1.3% a n d0  8%), r e s p e c t i v e l y Wh i l eh i g hr e s i s t a n c er a t e so ft h e s eb a c t e r i a ls p e c i e s we r ef o u n dt oLi n c o my c i n(8 2.5% a n d5 4.6%) a n dOl e a n d o my c i n(7 1.3% a n d5 5.2%)r e s p e c  t i v e l y(Ta b l eI I I ). Th ei s s u e so fr e s i s t a n c e st oa n t i mi c r o b i a l sa r ea wo r l d wi d ep h e n o me n o n.I nt r o p i c a ld e v e l o p i n gc o u n  t r i e swh e r et h e r ea r ema n yi n f e c t i o u sd i s e a s e sa n d f e wa v a i l a b l ea n t i mi c r o b i a ld r u g s ,a na l a r mb e l lwa s [5] g i v e nb yt h ewo r ko fBo n f i g l i oe ta l .i n2 0 0 2 , wh i c hs h o we df o rt h ef i r s tt i meah i g hr e s i s t a n c et o Amp i c i l l i na n dAmo x y c i l l i ni nBu r k i n aFa s o .S i n c e t h e n,c l i n i c i a n sh a v ep r e s c r i b e dl e s sf r e q u e n t l yt h e s e a n t i b i o t i c s .Wh e nwec o mp a r et h er e s u l t so ft h ep r e  v i o u ss t u d yb yBo n f i g l i oe ta lc a r r i e do u ti nt h ep e r i  ·5·

Si mpor eJetal .Epi demi ol ogyofant i bi ot i cr es i s t ancei nBur ki naFas o

o d1 9 9 9 2 0 0 0a n dp u b l i s h e di n2 0 0 2[5] o na n t i mi  oAmp i c i l l i na n dAmo x y c i l l i n) c r o b i a lr e s i s t a n c e(t i nBu r k i n aFa s ot ot h o s eo ft h i ss t u d y ,c a r r i e do u t b e t we e n2 0 0 1a n d2 0 0 6wed e mo n s t r a t es t a t i s t i c a l l y s i g n i f i c a n td i f f e r e n c e s(P<0.0 1)(Ta b l eV).We d i dn o tf i n ds t a t i s t i c a l l ys i g n i f i c a n td i f f e r e n c e sa sf a r a st h ev a r i a t i o no fr e s i s t a n c et oAmc ,S x ta n dNo ri s c o n c e r n e d.Wh i l ec h l o r a mp h e n i c o ls e e mst oh a v e n o wa c q u i r e da na l a r mi n gl e v e lo fr e s i s t a n c ei n Bu r k i n aFa s o .I t sr e s i s t a n c eh a si nf a c ti n c r e a s e d f r o m5% i n1 9 9 9 2 0 0 0p e r i o dt o >3 2% i n2 0 0 1 2 0 0 6(P<0  0 1). Wi t hr e g a r d st on o s o c o mi a li n f e c t i o n s ,t h el e v  e l so fr e s i s t a n c eo fS t r e p t o c o c c u ss p pt ob e t a  l a c t a m i nt h i ss t u d ywe r ef o u n dt ob e2 0 4 0%.S u r v e y so f t h e EARS S (Eu r o p e a n An t i mi c r o b i a lRe s i s t a n c e S u r v e i l l a n c eS y s t e m) h a v er e p o r t e dr e s i s t a n c eo f 5 3% i nFr a n c e ,5 0% i nRo ma n i a ,3 3% i nS p a i n a n d3 0% i nPo l a n d[12]. Weh a v en o td a t aa b o u tr e s i s t a n c eo fS t r e p t o c o c  c u sp y o g e n e st oma c r o l i d e sa si sn o wf r e q u e n t l yo b  [1 3] a n dt h eo n l yo b s e r v a t i o nwh i c h s e r v e di nEu r o p e wema yb er e f e r e di st h er e s i s t a n c eo fS t r e p t o c o c c u s s p pt oOl e a n d o my c i n. I nma n yd e v e l o p i n gc o u n t r i e sl a c k i n gb a c t e r i o l  o g yl a b o r a t o r i e s ,i ti sn o tp o s s i b l et or e l yo nmi c r o b i  o l o g i c a lc u l t u r e sa n do nt h er e s u l t so fa na n t i b i o  g r a mms op h y s i c i a n sa n dn u r s e sp r e s c r i b ea n t i b i o t i c s o n l yo nt h eb a s i so ft h ep a t i e n t ' sc l i n i c a ls i g n sa n do n t h e i ro wne x p e r i e n c e s. I nn a t i o n swh e r eb a c t e r i ah a v eb e c o mee x t r e me  l yr e s i s t a n tt oAmo x y c i l l i n,Amp i c i l l i na n dCh l o r a m p h e n i c o l ,i tma yb es u f f i c i e n tt oi n t e r r u p tt h ep r e  s c r i p t i o no ft h e s ed r u g sa n dt ou s eo t h e rn e wmo l e  c u l e s(q u i n o l o n e s )s oa st or e g a i nb a c t e r i a ls u s c e p  t i b i l i t yi nt h ea b s e n c eo fp h a r ma c o l o g i c a lp r e s s u r e . Th er e s u l t so ft h i ss t u d yd e mo n s t r a t ea tl e a s tf o rt h e b a c t e r i as t u d i e dt h a tt h i sh a sb e e np o s s i b l ei nBu r k i  n aFa s o . ACKNOWLEDGEMENTS Th ea u t h o r sa r eg r a t e f u lt ot h es t a f fo fS CMCl a b o r a  t o r y ,Ou a g a d o u g o u.I np a r t i c u l a r ,t h es k i l l f u la n d p a t i e n tc o l l a b o r a t i o no fMr .Ch a r l e sDa b i r e ,Mr . Os c a rZo u n g r a n a ,Mr s .Fa t o u ma t aNa n a ,Mr .Ba k a  mb aRo b e r ta n dMr s .J u s t i n eYa r a .Th e ya r ed e e p l y g r a t e f u lt ot h eI t a l i a nEp i s c o p a lCo n f e r e n c e(C.E. I )a n dt ot h eRADI M Ho u s e ,Ro ma ,I t a l y ,t ot h e" Fo n d a t i o nJ e a n Pa u lI Ip o u rl eS a h e l "a n dDo c t o r ·6·

Lu i g iS PARANOf o rt h ef i n a n c i a ls u p p o r t .Th e ya r e d e e p l yg r a t e f u lt oMr s .Ro s a l i eRo u a mb af o rt h e t r a n s l a t i o ni nEn g l i s ho ft h ema n u s c r i p t . REFERENCES 1  Mus t oJ,Ki r kM,Li g h t f o o tD,Co mb sBG,Mwa n r iL. Mu l t i  d r u gr e s i s t a n tS a l mo n e l l aJ a v ai n f e c t i o n sa c q u i r e d f r o mt r o p i c a lf i s ha q u a r i u ms ,Au s t r a l i a.Co mmu nDi sI n  t e l l . 2 0 0 6; 3 0(2): 2 2 2 7. 2 Za bo r i naO,Ko h l e rJ E,Wa n gY,Be t h e lC,S h e v c h e n k o O,WuL,Tu r n e rJ R,Al v e r d yJ C.I d e n t i f i c a t i o no fmu l t i  d r u gr e s i s t a n tPs e u d o mo n a sa e r u g i n o s ac l i n i c a li s o l a t e st h a t a r eh i g h l yd i s r u p t i v et ot h ei n t e s t i n a le p i t he l i a lb a r r i e r .An n .2 0 0 6; 5:1 4. Cl i nMi c r o b i o lAn t i mi c r o b 3 HuYH,Zh e nJ H,Zh a oDH.Ch a r a c t e r i s t i c so fc o mmu n i  t y  a c q u i r e dMe t h i c i l l i n r e s i s t a n tS t a p h y l o c o c c u sa u r e u si n  o n g g u oDa n gDa iErKeZaZh i . f e c t i o ni nc h i l d r e n.Zh 20 0 6; 8(4):2 9 8 3 0 0 4  Ra zR,Ed e l s t e i nH,Gr i g o r y a nL,S e l f  me d i c a t i o nwi t h s rMe dAs s o c a n t i b i o t i c sb yap o p u l a t i o ni nn o r t h e r nI s r a e l .I .2 0 0 5; 7(1 1): 7 2 2 5 J 5 Bo nf i g l i oG,S i mp o r eJ ,Pi g n a t e l l iS,Mu s u me c iS,S o l i  n a sML.Ep i d e mi o l o g yo fb a c t e r i a lr e s i s t a n c ei ng a s t r o  i n  t e s t i n a lp a t h o g e n si nat r o p i c a la r e a .I n tJAn t i mi c r o bA .2 0 0 2; 2 0(5):3 8 7 9. g e n t s 6  Na t i o n a lCo mmi t t e ef o rCl i n i c a la n dLa b o r a t o r yS t a n d a r d s (NCCLS)1 9 9 8.Pe r f o r ma n c es t a n d a r d sf o ra n t i mi c r o b i a l : Ei g h t hi n f o r ma t i o n a ls u p p l e me n t . s u s c e p t i b i l i t yt e s t i n g 1 9 9 8;M1 0 0 S 8.Wa y n e ,Pe n n s y l v a n i a ,U.S.A. 7  WHO.S u r v i v i n gt h ef i r s tf i v ey e a r so fl i f e .Th ewo r l d www.wh o .i n t / wh r / 2 0 0 3/ h e a l t hr e p o r t2 0 0 3 h t t p:// c h a p t e r 1/ e n/ i n d e x 2.h t ml 8  Li nYT,Ch e nLK,Li nMH,Hwa n gS J .As y mp t o ma t i c i nMe d b a c t e r i u r i aa mo n gt h ei n s t i t u t i o n a l i z e de l d e r l y .JCh As s o c .2 0 0 6; 6 9(5):2 1 3 7. l a hAA,Al  Mo s l i hMI .Pr e v a l e n c eo fa s y mp t o ma t i c 9 Abdul b a c t e r i u r i ai np r e g n a n two me ni nS h a r j a h,Un i t e dAr a bE s tMe d i t e r rHe a l t hJ .2 0 0 5; 1 1(5 6):1 0 4 5 5 2. mi r a t e s .Ea 1 0  Al  Ha dda dAM.Ur i n a r yt r a c ti n f e c t i o na mo n gp r e g n a n t wo me ni n Al  Mu k a l l ad i s t r i c t , Ye me n. Ea s tMe d i t e r r He a l t hJ .2 0 0 5; 1 1(3):5 0 5 1 0. ha nnaMA,Ra j a ' aYA.Fr e q u e n c ya n dt r e a t me n to fu  1 1 Mo , r i n a r yt r a c ti n f e c t i o ni nc h i l d r e ns u b j e c t e dt ou r i n ec u l t u r e i nS a n a ' a ,Ye me n.JAy u bMe dCo l lAb b o t t a b a d.2 0 0 5;1 7 (2):2 0 2. 1 2 Tr y s t r a m D,Va r o nE,Pé a nY,Gr u n d ma n nH,Gu t ma n n L,J a r l i e rV,Au b r y  Da mo nH.Ré s e a ue u r o p é e nd es u r  v e i l l a n c ed el ar é s i s t a n c eb a c t é r i e n n ea u xa n t i b i o t i q u e s (EARS S) :r é s u l t a t s2 0 0 2,p l a c ed el aFr a n c e ,BEH Ré s i s t a n c ea u xa n t i b i o t i q u e sN°3 2 3 3/ 2 0 0 4,p 1 4 2 1 4 4, h t t p:// www.i n v s .s a n t e .f r / b e h/ 2 0 0 4/ 3 2_3 3/ b e h_3 2_3 3_ 2 0 0 4.p d f l pe r nMT,S c h mi e rJ K,S n y d e rLM,As c h eC,S a r o c c o 1 3 Ha PW,La v i nB,Ni e ma nR,Ma n d e l lLA.Me t a  a n a l y s i so f t i mi c r o bCh e mo t h e r . b a c t e r i a lr e s i s t a n c et oma c r o l i d e s .JAn 2 0 0 5; 5 5(5): 7 4 8 5 7