Research Article

High Prevalence and Endemicity of Multidrug Resistant Acinetobacter spp. in Intensive Care Unit of a Tertiary Care Hospital, Varanasi, India

Table 3

Resistance profile of non-fermenters isolated from various HCAI.

Antimicrobial categoryAntibiotics Acinetobacter spp.Total () n=426Pseudomonas spp.Total () n=101
HAP () (363)BSI () (49)SSI () (14)HAP () (77)BSI () (14)SSI () (10)

PenicillinsPiperacillin337
(92.83)
35
(71.42)
12
(85.71)
384
(90.14)
47
(61.03)
6
(42.85)
6
(60)
59
(58.41)

Penicillins + β-lactamase inhibitorsAmoxicillin-clavulanate342 
(94.21)
37
(75.51)
13
(92.85)
392
(92.01)
----
Piperacillin-tazobactam314
(86.50)
31
(63.26)
9
(64.28)
354
(83.09)
32
(41.55)
4
(28.57)
3
(30)
39
(38.61)

Extended-spectrum cephalosporins; 3rd and 4th generationCeftazidime343
(94.49)
37
(75.51)
12
(85.71)
392
(92.01)
59
(76.62)
7
(50)
5
(50)
71
(70.290
Ceftriaxone336
(92.56)
40
(81.63)
12
(85.71)
388
(91.07)
----
Cefepime337
(92.83)
35
(71.42)
11
(78.57)
383
(89.90)
52
(67.53)
8
(57.14)
6
(60)
66
(65.34)

CarbapenemsImipenem266
(73.27)
24
(48.97)
8
(57.14)
298
(69.95)
28
(36.36)
6
(42.85)
3
(30)
37
(36.63)
Meropenem315
(86.77)
35
(71.42)
10
(71.42)
360
(84.50)
53
(68.83)
5
(35.71)
5
(50)
63
(62.37)

AminoglycosidesGentamicin322
(88.70)
33
(67.34)
11
(78.57)
366
(85.91)
52
(67.53)
6
(42.85)
6
(60)
64
(63.36)
Amikacin313
(86.22)
32
(65.30)
10
(71.42)
355
(83.33)
44
(57.14)
6
(42.85)
6
(60)
56
(55.44)

FluoroquinolonesCiprofloxacin336
(92.56)
33
(67.34)
9
(64.28)
378
(88.73)
59
(76.62)
3
(21.42)
6
(60)
68
(67.32)
Levofloxacin285
(78.51)
32
(65.30)
11
(78.57)
328
(76.99)
60
(77.92)
3
(21.42)
6
(60)
69
(68.31)

Folate pathway inhibitorsTrimethoprim sulfamethoxazole319
(87.87)
35
(71.42)
10
(71.42)
364
(85.44)
----

MDR/XDR strainsMDR= 375 (88.02%)
XDR=264 (61.9%)
MDR= 72 (71.28%)
XDR= 58 (57.42%)

Imipenem resistance significantly associated with HAP, p=0.005.