Table 3 Antimicrobial resistance patterns of critical pathogens of bloodstream infections

From: Changing epidemiology and antimicrobial susceptibility of bloodstream infections at a Vietnamese infectious diseases hospital (2010–2020)

 

E. coli

K. pneumoniae

A. baumannii

P. aeruginosa

S. aureus

No. isolates

1915

696

133

135

681

No. isolates with ASTa

1820

643

123

121

640

MDRb

49.5 (901/1820)

15.6 (100/643)

46.3 (57/123)

18.2 (22/121)

75.6 (484/640)

MDR CA-BSIc

48.4 (789/1631)

10.7 (55/516)

15.3 (6/39)

4.8 (3/63)

73.9 (383/518)

MDR HA-BSIc

61.4 (105/171)

36.9 (45/122)

60.7 (51/84)

34.5 (19/55)

82.4 (98/119)

Gentamicind

30.6 (232/758)

11.4 (31/272)

32.8 (19/58)

14.3 (16/112)

-e

Amikacin

1.2 (13/1102)

1.9 (8/414)

31.1 (32/103)

19.3 (23/119)

-

Piperacillin/tazobactam

6.3 (114/1815)

7.5 (48/640)

43.9 (54/123)

6.8 (8/118)

-

Ceftriaxone

56.1 (1013/1805)

14.4 (91/633)

-

-

-

Ceftazidime

54.8 (805/1470)

16 (83/519)

49.6 (60/121)

11.6 (14/121)

-

Cefepime

47.4% (853/1799)

12.6 (79/628)

49.2 (60/122)

19.5 (23/118)

-

Ertapenem

1.2 (22/1791)

4.4 (27/619)

-

-

-

Imipenem

0.6 (11/1794)

3.8 (24/629)

42.3 (52/123)

11.7 (14/120)

-

Meropenem

0.6 (10/1630)

4.7 (27/576)

43.9% (54/123)

11.8 (14/119)

-

Colistin

0 (0/26)

11.1 (3/27)

0.8 (1/118)

0 (0/78)

-

Trimethoprim/sulfamethoxazole

64.5 (1048/1624)

25.9 (156/602)

38.2 (42/110)

-

16.1 (79/492)

Ciprofloxacin

52.4% (676/1290)

22.2 (101/455)

39 (32/82)

20.4 (19/93)

37.8 (235/621)

Levofloxacin

52.6% (545/1036)

12.8 (46/359)

42.7 (44/103)

20.6 (22/107)

32.8 (171/521)

Moxifloxacin

-

-

-

-

26 (26/100)

Benzylpenicillin

-

-

-

-

98 (623/636)

Oxacillin

-

-

-

-

58.2 (370/636)

Erythromycin

-

-

-

-

71.9 (447/622)

Clindamycin

-

-

-

-

69.6 (436/626)

Rifampicin

-

-

-

-

3.8 (24/637)

Vancomycin

-

-

-

-

0 (0/633)

Teicoplanin

-

-

-

-

0.4 (1/262)

Linezolid

-

-

-

-

0 (0/288)

  1. aAST (antimicrobial susceptibility test).
  2. bMDR (Multidrug Resistance), % MDR (number of MDR isolates / total number of isolates tested).
  3. c MDR CA-BSI (Multidrug resistant community-acquired bloodstream infection), MDR HA-BSI (Multidrug resistant hospital-acquired bloodstream infection).
  4. d% resistance (number of resistant isolates / total number of isolates tested).
  5. eThere were no antimicrobial susceptibility tests applied.