findings from amr surveillance in bangladesh

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Findings from AMR surveillance in Bangladesh Dr. Zakir Hossain Habib Principal Scientific Officer (Associate Professor) Department of Microbiology Member Secretary AMR Surveillance Coordination Sub-Committee Institute of Epidemiology, Disease control & Research (IEDCR)

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Page 1: Findings from AMR surveillance in Bangladesh

Findings from AMR surveillance in Bangladesh

Dr. Zakir Hossain HabibPrincipal Scientific Officer (Associate Professor)

Department of Microbiology

Member Secretary

AMR Surveillance Coordination Sub-Committee

Institute of Epidemiology, Disease control & Research

(IEDCR)

Page 2: Findings from AMR surveillance in Bangladesh

Antimicrobials are probably one

of the most successful forms of

treatment in the history of

medicine

11/26/2019 2

Page 3: Findings from AMR surveillance in Bangladesh

3

Alexander

Fleming.

Gerhard

Domagk

Page 4: Findings from AMR surveillance in Bangladesh

411/26/2019

Page 5: Findings from AMR surveillance in Bangladesh

Prevention and Containment of Antimicrobial ResistancePrevention and Containment of Antimicrobial Resistance

11/26/2019 5

Page 6: Findings from AMR surveillance in Bangladesh

Any use of antimicrobials, howeverappropriate and conservative, contributes tothe development of resistance,

but

widespread unnecessary and excessiveuse makes it worse

11/26/2019 6

Page 7: Findings from AMR surveillance in Bangladesh

711/26/2019

Page 8: Findings from AMR surveillance in Bangladesh

11/26/2019 8

Pathway of antibiotics for human and veterinary use in the environment.

Page 9: Findings from AMR surveillance in Bangladesh

9

As things stand, AMR is projected to cause more deaths than cancer by 2050. Image courtesy of Jim O'Neill, Chairman of the Review on Antimicrobial Resistance.

Deaths attributable to AMR every year compared to other major causes of death

11/26/2019

Page 10: Findings from AMR surveillance in Bangladesh

The world is running out of antibiotics

10

Only 15 new antibiotics have been

approved since 2000, compared to the 63

put to clinical use between 1980 and

2000 .

Out of these new drugs, only 4 of them

represent new classes of antibiotics

Timeline of antibiotic production

11/26/2019

Page 11: Findings from AMR surveillance in Bangladesh

Antimicrobial Resistance Surveillance in Bangladesh(2016-2020)

1111/26/2019

Page 12: Findings from AMR surveillance in Bangladesh

Objectives:

General Objective

To establish a surveillance system to find out the status of Antimicrobial Resistance among common pathogens in Bangladesh

1211/26/2019

Page 13: Findings from AMR surveillance in Bangladesh

Specific Objectives

1. To strengthen selected Microbiology laboratories for performing standard techniques of bacterial culture & sensitivity testing.

2. To isolate, identify & perform Antimicrobial Sensitivity testing (AST) of the selected pathogens using uniform laboratory protocol.

3. To develop antibiogram periodically according to the observed sensitivity pattern.

1311/26/2019

Page 14: Findings from AMR surveillance in Bangladesh

s

Ten Priority pathogens

1. Escherichia coli

2. Klebsiella pneumoniae

3. Enterococcus species

4. Vibrio cholerae

5. Shigella species

6. Streptococcus pneumoniae

7. Staphylococcus aureus

8. Salmonella spp.

9. Pseudomonas aeruginosa

10.Acinetobacter spp.

14

Page 15: Findings from AMR surveillance in Bangladesh

Five Cases

5 different cases of infectious diseases are enrolled by case definition:

1. UTI

2. Diarrhoeal diseases

3. Wound infection

4. Pneumonia

5. Septicaemia

15

Page 16: Findings from AMR surveillance in Bangladesh

Six Type Samples

1. Urine

2. Stool

3. Wound swab or Pus

4. Sputum

5. Blood

6. Endotracheal aspirate

16

Page 17: Findings from AMR surveillance in Bangladesh

Findings of AMR Surveillance2017-2019

11/26/2019 17

Page 18: Findings from AMR surveillance in Bangladesh

Distribution of samples (N=14669)

Page 19: Findings from AMR surveillance in Bangladesh

Distribution of patients

11/26/2019 19

Page 20: Findings from AMR surveillance in Bangladesh

Distribution of patients according to sex

69537716

Female Male

(53%) (47%)

N=14669

11/26/2019 20

Page 21: Findings from AMR surveillance in Bangladesh

Distribution of patients according to age group

1596

1947

3219

2355

1998

1712

1199

453

190

11

%

13

%

22

%

16

%

14

%

12

%

8%

3%

1%

0

500

1000

1500

2000

2500

3000

3500

0-10 11-20 21-30 31-40 41-50 51-60 61-70 71-80 >81

N=14669

11/26/2019 21

Page 22: Findings from AMR surveillance in Bangladesh

Growth vs no growth of cultured bacteria

11/26/2019 22

Page 23: Findings from AMR surveillance in Bangladesh

Distribution of growth in cultured specimens (N=14669)

80.3%

50.3%

72.7%

90.6%

80.8%

43.1%

19.7%

49.7%

27.3%

9.4%

19.2%

56.9%

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

Blood

Endotracheal aspirate

Sputum

Stool

Urine

Wound swab

No growth Growth

11/26/2019 23

Page 24: Findings from AMR surveillance in Bangladesh

Bacterial growth in different specimens (N=3766)

1068

724647

402

189 179 159 136 89 89 39 39 6

28%

19%17%

11%

5% 5% 4% 4%2% 2%

1% 1%0%

0

200

400

600

800

1000

1200

Page 25: Findings from AMR surveillance in Bangladesh

Distribution of different bacterial growth in Urine (N=1302)

780

218

91 79 75 59

60%

17%

7% 6% 6% 5%

0

100

200

300

400

500

600

700

800

900

Escherichia coli Klebsiella

pneumoniae

Staphylococcus

aureus

Others Enterococcus

species

Pseudomonas

aeruginosa

11/26/2019 25

Page 26: Findings from AMR surveillance in Bangladesh

Distribution of different bacterial growth in Stool (N=190)

89

39 39

23

47%

21% 21%

12%

0

10

20

30

40

50

60

70

80

90

100

Vibrio cholerae Shigella spp. Nontyphoidal Salmonella Others

11/26/2019 26

Page 27: Findings from AMR surveillance in Bangladesh

Distribution of bacterial growth in blood (N=321)

187

4630 23 17 9 6 3

58%

14%

9%7%

5%3% 2% 1%

0

20

40

60

80

100

120

140

160

180

200

11/26/2019 27

Page 28: Findings from AMR surveillance in Bangladesh

Distribution of different bacterial growth in sputum (N=365)

176

118

69

2

48%

32%

19%

1%0

20

40

60

80

100

120

140

160

180

200

Klebsiella pneumoniae Others Staphylococcus aureus Streptococcus pneumoniae

11/26/2019 28

Page 29: Findings from AMR surveillance in Bangladesh

Distribution of different bacterial growth in Wound Swab (N=1226)

534

243186

159104

44%

20%

15%13%

8%

0

100

200

300

400

500

600

Pseudomonas

aeruginosa

Others Staphylococcus

aureus

Escherichia coli Klebsiella

pneumoniae

11/26/2019 29

Page 30: Findings from AMR surveillance in Bangladesh

Distribution of different bacterial growth in ETA (N=362)

126

8770

3224 22

1

35%

24%

19%

9%7% 6%

0%0

20

40

60

80

100

120

140

11/26/2019 30

Page 31: Findings from AMR surveillance in Bangladesh

Antibiotic Sensitivity

Page 32: Findings from AMR surveillance in Bangladesh

90%

80% 77%70%

45% 43% 41% 41% 39% 39% 37%34% 31%

26% 24% 21%

10%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Imip

en

em

Am

ika

cin

Nitro

fura

nto

in

Ge

nta

micin

Ce

fep

ime

No

rflox

acin

Trim

ethoprim

-…

Te

tracy

cline

Ce

ftazid

ime

Cip

roflo

xa

cin

Ce

ftriax

on

e

Aztre

on

am

Ce

furo

xim

e

Ce

ph

ale

xin

Am

ox

icillin-C

lav

ula

na

te

Pip

era

cillin

Am

picillin

E.coli(1068)

11/26/2019 32

Page 33: Findings from AMR surveillance in Bangladesh

75%

63%60%

50%45%

39% 38% 36%32% 29% 29% 28% 27%

20%17% 17%

3%

0%

10%

20%

30%

40%

50%

60%

70%

80%

Imip

en

em

Am

ika

cin

Ge

nta

micin

No

rflox

acin

Nitro

fura

nto

in

Ce

fep

ime

Cip

roflo

xa

cin

Te

tracy

cline

Trim

ethoprim

-…

Ce

ftriax

on

e

Aztre

on

am

Ce

ftazid

ime

Ce

furo

xim

e

Ce

ph

ale

xin

Pip

era

cillin

Am

ox

icillin-C

lav

ula

na

te

Am

picillin

K.pneumoniae(647)

11/26/2019 33

Page 34: Findings from AMR surveillance in Bangladesh

73%70%

54%50%

33%

25%

0%

10%

20%

30%

40%

50%

60%

70%

80%

Ce

fixim

e

Ce

ftriax

on

e

Trim

eth

op

rim-

sulfa

me

tho

xa

zole

Cip

roflo

xa

cin

Azith

rom

ycin

Am

picillin

Nontyphoidal Salmonella(39)

11/26/2019 34

Page 35: Findings from AMR surveillance in Bangladesh

69

%

43

%

41

%

35

%

32

%

29

%

26

%

26

%

24

%

23

%

19

%

18

%

15

%

13

%

11

%

8%

6%

0%

10%

20%

30%

40%

50%

60%

70%

80%

Imip

en

em

Nitro

fura

nto

in

Am

ika

cin

Ge

nta

micin

Ce

fep

ime

Aztre

on

am

Ce

ftriax

on

e

Cip

roflo

xa

cin

No

rflox

acin

Pip

era

cillin

Ce

ftazid

ime

Trim

ethoprim

-…

Ce

furo

xim

e

Te

tracy

cline

Am

ox

icillin-C

lav

ula

na

te

Ce

ph

ale

xin

Am

picillin

Proteus spp. (179)

11/26/2019 35

Page 36: Findings from AMR surveillance in Bangladesh

52

%

34

%

32

%

29

%

27

%

24

%

24

%

19

%

18

%

15

%

0%

10%

20%

30%

40%

50%

60%

Imip

en

em

Am

ika

cin

Pip

era

cillin-T

azo

ba

ctam

Pip

era

cillin

Ge

nta

micin

Cip

roflo

xa

cin

Ce

fep

ime

Ce

ftazid

ime

Aztre

on

am

No

rflox

acin

P.aeruginosa(724)

11/26/2019 36

Page 37: Findings from AMR surveillance in Bangladesh

25%24% 24%

19%17%

12% 11% 11%

8% 7%

3%

0%

5%

10%

15%

20%

25%

30%

Do

xy

cyclin

e

Imip

en

em

Am

ika

cin

Ge

nta

micin

Trim

eth

op

rim-

sulfa

me

tho

xa

zole

Cip

roflo

xa

cin

Ce

fep

ime

Pip

era

cillin-T

azo

ba

ctam

Ce

ftriax

on

e

Ce

ftazid

ime

Pip

era

cillin

Acb Complex(159)

11/26/2019 37

Page 38: Findings from AMR surveillance in Bangladesh

99

%

99

%

98

%

98

%

98

%

97

%

95

%

94

%

94

%

86

%

86

%

84

%

83

%

75

%

71

%

8%

0%

20%

40%

60%

80%

100%

120%

Imip

en

em

Ce

fep

ime

Am

ika

cin

Ce

ftazid

ime

Ge

nta

micin

Ce

ftriax

on

e

Ce

furo

xim

e

Aztre

on

am

Ce

ph

ale

xin

Te

tracy

cline

Am

ox

icillin-C

lav

ula

na

te

No

rflox

acin

Trim

eth

op

rim-

sulfa

me

tho

xa

zole

Am

picillin

Pip

era

cillin

Cip

roflo

xa

cin

Salmonella spp.(189)

11/26/2019 38

Page 39: Findings from AMR surveillance in Bangladesh

89

%

56

%

50

%

37

%

32

%

19

%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Ce

ftriax

on

e

Me

cillina

m

Azith

rom

ycin

Trim

eth

op

rim-

sulfa

me

tho

xa

zole

Am

picillin

Cip

roflo

xa

cin

Shigella spp.(39)

11/26/2019 39

Page 40: Findings from AMR surveillance in Bangladesh

81

%

80

%

48

%

5%

3%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

Cip

roflo

xa

cin

Azith

rom

ycin

Te

tracy

cline

Ery

thro

my

cin

Trim

eth

op

rim-

sulfa

me

tho

xa

zole

Vibrio cholerae (89)

11/26/2019 40

Page 41: Findings from AMR surveillance in Bangladesh

76

%

75

%

58

%

56

%

42

%

39

%

36

%

25

%

0%

10%

20%

30%

40%

50%

60%

70%

80%

Lin

ezo

lid

Nitro

fura

nto

in

Am

picillin

Va

nco

my

cin

Cip

roflo

xa

cin

Ge

nta

micin

Pe

ncillin

-G

Te

tracy

cline

Enterococcus spp.(89)

11/26/2019 41

Page 42: Findings from AMR surveillance in Bangladesh

Sample wise Antibiotic Sensitivity

Page 43: Findings from AMR surveillance in Bangladesh

Antibiogram of Urine sample

E.coli (780) K. pneumoniae(218)Enterococcus species(75)

Staph. aureus(91) P. aeruginosa(59)

Sensitivity % Sensitivity % Sensitivity % Sensitivity % Sensitivity %

Amikacin 85% 82% - - 69%

Amoxicillin-Clavulanate 27% 31% - - -

Ampicillin 12% 5% 58% - -

Azithromycin - - - 8% -

Aztreonam 39% 52% - - 35%

Cefepime 51% 63% - - 51%

Cefoxitin - - - 20% -

Ceftazidime 45% 53% - - 41%

Ceftriaxone 45% 57% - - -

Cefuroxime 35% 45% - - -

Cephalexin 29% 36% - - -

Ciprofloxacin 45% 60% 45% 42% 51%

Clindamycin - - - 46% -

Doxycycline - - - 67% -

Gentamicin 78% 77% 45% 73% 74%

Imipenem 94% 92% - - 75%

Linezolid - - 80% 85% -

Nitrofurantoin 80% 51% 75% - -

Norfloxacin 46% 60% - -

Pencillin-G - - 34% 22% -

Piperacillin 23% 30% - - 49%

Tetracycline 43% 46% 25% - -

Trimethoprim-sulfamethoxazole 46% 46% - 51% -

Page 44: Findings from AMR surveillance in Bangladesh

E.Coli (159) K. pneumoniae (104) Staph. aureus (186) P. aeruginosa (534)

Sensitivity % Sensitivity % Sensitivity % Sensitivity %

Amikacin 58% 35% - 27%

Amoxicillin-Clavulanate 6% 4% - -

Ampicillin 1% 0% - -

Azithromycin - - 17% -

Aztreonam 10% 11% - 15%

Cefepime 24% 13% - 20%

Cefoxitin - - 56% -

Ceftazidime 20% 5% - 14%

Ceftriaxone 7% 7% - -

Cefuroxime 6% 5% - -

Cephalexin 9% 6% - -

Ciprofloxacin 21% 14% 24% 20%

Clindamycin - - 48% -

Doxycycline - - 64% -

Gentamicin 45% 32% 66% 20%

Imipenem 72% 72% - 50%

Linezolid - - 75% -

Norfloxacin 26% 15% - 10%

Oxacillin - - 30% -

Pencillin-G - - 8% -

Piperacillin 10% 9% - 29%

Piperacillin-Tazobactam - - - 28%

Tetracycline 17% 24% - -

Trimethoprim-sulfamethoxazole 23% 14% 53% -

Antibiogram of wound swab culture isolates

Page 45: Findings from AMR surveillance in Bangladesh

K. pneumoniae(176) Staph. aureus(69)

Sensitivity % Sensitivity %

Amikacin 81% -

Amoxicillin-Clavulanate 8% -

Ampicillin 2% -

Azithromycin - 13%

Aztreonam 26% -

Cefepime 46% -

Cefoxitin - 8%

Ceftazidime 25% -

Ceftriaxone 30% -

Cefuroxime 23% -

Cephalexin 14% -

Ciprofloxacin 46% 29%

Clindamycin - 32%

Doxycycline - 62%

Gentamicin 75% 66%

Imipenem 84% -

Linezolid - 58%

Norfloxacin 61% -

Oxacillin - 13%

Pencillin-G - 7%

Piperacillin 12% -

Tetracycline 39% -

Trimethoprim-sulfamethoxazole

35% 35%

Antibiogram of sputum culture isolates

Page 46: Findings from AMR surveillance in Bangladesh

Antibiogram of ETA culture isolates

Klebsiella pneumoniae (126)

Pseudomonas aeruginosa (70)

Acb complex(87)

Sensitivity % Sensitivity % Sensitivity %

Amikacin 28% 24% 15%

Amoxicillin-Clavulanate 6% - -

Ampicillin 0% - -

Aztreonam 2% 8% -

Cefepime 8% 7% 2%

Ceftazidime 4% 6% 3%

Ceftriaxone 3% - 6%

Cefuroxime 1% - -

Ciprofloxacin 10% 11% 5%

Doxycycline - - 31%

Gentamicin 27% 13% 9%

Imipenem 34% 26% 14%

Oxacillin - - -

Piperacillin 2% 8% 3%

Piperacillin-Tazobactam - 9% 5%

Tetracycline 16% - -

Trimethoprim-sulfamethoxazole

11% - 13%

Page 47: Findings from AMR surveillance in Bangladesh

Antibiogram of blood culture isolates

E.Coli (46) Salmonella spp.(187)

Sensitivity % Sensitivity %

Amikacin 70 98%

Amoxicillin-Clavulanate 24 86%

Ampicillin 6% 76%

Aztreonam 26% 94%

Cefepime 99%

Ceftazidime 33% 98%

Ceftriaxone 19% 97%

Cefuroxime 18% 95%

Cephalexin 19% 94%

Ciprofloxacin 27% 8%

Gentamicin 54% 98%

Imipenem 88% 99%

Norfloxacin 87%

Piperacillin 71%

Tetracycline 87%

Trimethoprim-sulfamethoxazole

21% 83%

Page 48: Findings from AMR surveillance in Bangladesh

Antibiogram of stool culture isolates

NontyphoidalSalmonella(39)

Shigella spp.(39)Vibrio

cholerae(89)

Sensitivity % Sensitivity % Sensitivity %

Ampicillin 25 32 -

Azithromycin 33 50 80

Cefixime 73 - -

Ceftriaxone 70 89 -

Ciprofloxacin 50 19 81

Erythromycin - - 5

Mecillinam - 56 -

Tetracycline - - 48

Trimethoprim-sulfamethoxazole 54 37 3

Page 49: Findings from AMR surveillance in Bangladesh

11/26/2019 49

The isolate is non-susceptible to at least 1 agentin ≥3 antimicrobial categories

The isolate is non-susceptible to at least 1 agent in all but 2 or fewer antimicrobial categories

Non-susceptibilityto all agents in allantimicrobial categoriesfor each bacterium

MDR

XDR

PDR

Page 50: Findings from AMR surveillance in Bangladesh

56%21%

14%

9%

Percentage of MDR, XDR, PDR Pseudomonas aeruginosa (n=724)

MDR(n=403)

XDR(n=149)

PDR(n=98)

Other thanMDR,XDR,PDR (n=74)

Page 51: Findings from AMR surveillance in Bangladesh

33%

43%

26%

8%

Percentage of MDR, XDR & PDR Proteus spp. (n=179)

MDR (n=62)

XDR (n=76)

PDR (n=26)

Other thanMDR,XDR,PDR (n=15)

11/26/2019 51

Page 52: Findings from AMR surveillance in Bangladesh

53%

23%

13%

11%

Percentage of MDR, XDR & PDR Klebsiella pneumoniae (n=647)

MDR (n=347)

XDR (n=147)

PDR (n=82)

Other thanMDR,XDR,PDR (n=71)

11/26/2019 52

Page 53: Findings from AMR surveillance in Bangladesh

73%

13%

3%

11%

Percentage of MDR,XDR & PDR in E. coli (n=1068)

MDR (n=778)

XDR (n=138)

PDR (n=31)

Other thanMDR,XDR,PDR (n=121)

11/26/2019 53

Page 54: Findings from AMR surveillance in Bangladesh

Percentage of MDR, XDR and PDR Acinetobacter spp.(N=159)

7043%

5937%

2214%

85%

XDR

PDR

MDR

Non - MDR, XDR, PDR

11/26/2019 54

Page 55: Findings from AMR surveillance in Bangladesh

Percentage of MDR, XDR and PDR Enterococcus spp.(N=89)

11%

3337%

5562%

XDR

PDR

MDR

Non - MDR, XDR, PDR

11/26/2019 55

Page 56: Findings from AMR surveillance in Bangladesh

Distribution of Pan drug-resistant bacteria (PDR) bacteria

Organism ICU Medicine Surgery Others Total

E. coli 8 8 6 9 31

P. aeruginosa 9 2 5 82 98

K. pneumoniae 36 29 11 13 89

Acinetobacter spp. 46 4 2 7 59

Enterococcus spp. 1 0 0 0 1

11/26/2019 56

Page 57: Findings from AMR surveillance in Bangladesh

11/26/2019 57

Antibiotic

consumption

Page 58: Findings from AMR surveillance in Bangladesh

37%

9% 9% 8% 8% 7%5%

2% 2% 2%

0%

5%

10%

15%

20%

25%

30%

35%

40%

Antibiotics used for patients in all sites (n=7486)

11/26/2019 58

Page 59: Findings from AMR surveillance in Bangladesh

23%22%

12%11% 11%

6%

3%2%

1% 1%

0%

5%

10%

15%

20%

25%

Antibiotic used in UTI (n=921)patients in all sites

11/26/2019 59

Page 60: Findings from AMR surveillance in Bangladesh

20%

9% 9%8%

3%2% 2%

1%

0%

5%

10%

15%

20%

25%

Antibiotic used in UTI (n=558) patients of (OPD) Outpatient

department

11/26/2019 60

Page 61: Findings from AMR surveillance in Bangladesh

20%

6%

3%2% 2% 2%

1%

0%

5%

10%

15%

20%

25%

Antibiotic used in UTI (n=365) patients from (IPD)Inpatient

Department

11/26/2019 61

Page 62: Findings from AMR surveillance in Bangladesh

42%

22%

12%

5% 4% 3% 2% 2% 2% 2%

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

Antibiotic used for patients with Wound infection

(n=2303)

11/26/2019 62

Page 63: Findings from AMR surveillance in Bangladesh

44%

33%

11%

5% 4%2%

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

50%

Cip

rofl

oxa

cin

(n=

34

0)

Azi

thro

myc

in(n

=2

52

)

Cef

tria

xon

e(n

=84

)

Do

xycy

clin

(n=

36

)

Met

ron

idaz

ole

(n=2

9)

Cef

ixim

e(n

=1

8)

Antibiotic used for Diarrhoea patients (n=766)

11/26/2019 63

Page 64: Findings from AMR surveillance in Bangladesh

47%

15%

4% 4% 3% 3% 2% 2% 2% 2%

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

50%

Antibiotic used in Septicaemia patients (n=2106)

11/26/2019 64

Page 65: Findings from AMR surveillance in Bangladesh

29%

16%

5%3% 3% 3% 2% 2% 2% 1%

0%

5%

10%

15%

20%

25%

30%

35%

Antibiotic used for pneumonia patients (n=1535)

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46%

25%

4% 3% 3% 3% 3% 3% 3% 2%

0%

5%

10%

15%

20%

25%

30%

35%

40%

45%

50%

Antibiotic used in ICU patients with septicaemia (n=1786)

Percentage of antibiotic usage in…

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Access

Which indicates the antibiotic of choice for each of the 25 most common infections. These antibiotics should be available at all times, affordable and quality-assured.

Watch

Which includes most of the “highest-priority critically important antimicrobials” for human medicine and veterinary use.

These antibiotics are recommended only for specific, limited indications

Reserve

Antibiotics that should only be used as a last resort when all other antibiotics have failed.

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Access, Watch and Reserve Antibiotics in the WHO Essential Medicines List

• Access group:

This group includes antibiotics that have activity against a wide range of commonly encountered susceptible pathogens while also showing lower resistance potential than antibiotics in the other groups. Selected Access group antibiotics are recommended as essential first or second choice empiric treatment options.

• Watch group:

This group includes antibiotic classes that have higher resistance potential and includes most of the highest priority agents among the Critically Important Antimicrobials for Human Medicine and/or antibiotics that are at relatively high risk of selection of bacterial resistance.

• Some ACCESS antibiotics, such as ceftriaxone or azithromycin, are also part of the WATCH group.

• Reserve group:

• This group includes antibiotics and antibiotic classes that should be reserved for treatment

of confirmed or suspected infections due to multi-drug-resistant organisms. Reserve group

antibiotics should be treated as “last resort” options.

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The overall goal is to reduce the use of Watch

Group and Reserve Group antibiotics (the

antibiotics most crucial for human medicine

and at higher risk of resistance), and to

increase the use of Access antibiotics where

availability is low.

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97%

3%

Percentage of Reserve Drugs used overall (among total

7486 Antibiotics)

Other Antibiotic (n=7274) Reserve Drugs (n=212)

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49%

23%

20%

8%

Percentage of Reserved Drugs used

Cefepime(n=104,49%) Linezolid(n=49,23%)

Tigecyclin(n=42,20%) Colistin(n=17,8%)

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24

%

4%

2%

0%

32

%

46

%

0%

0%

41

%

22

%

95

%

24

%

0%

28

%

3%

76

%

3%

0%

0%

0%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Cefepime(n=104) Linezolid(n=49) Tigecyclin(n=42) Colistin(n=17)

‘Reserve Drugs’

Medicine dept. Surgery dept. ICU Burn Others

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