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Table 4 Clinical parameters, antimicrobial regimens and treatment outcome of patients with bloodstream infection (BSI) due to PER-1-positive P. aeruginosa (PER-1-Pa) isolates

From: Pseudomonas aeruginosa bloodstream infections: risk factors and treatment outcome related to expression of the PER-1 extended-spectrum beta-lactamase

Isolate

Age (yr)

Sex a

McCabe & Jackson b

Charlson weighted index

Primary source(s)

of infection c

Severity of septicemia

Empirical treatment

Treatment administered after ID

and AST d results

Treatment outcome e

       

Agent

(daily dose)

Adequate

Agent

(daily dose)

Timing from

BSI onset

Duration

(days)

 

338/98

58

M

NF

1

Unknown

Severe sepsis

SXT (10 ml × 3)

No

AMK (0.5 g × 2)

FEP (2 g × 3)

Day 4

Day 7

10

11

FA

LS034/99

60

M

NF

0

LRTI

Severe sepsis

IPM (1.5 g × 3)

No

IPM (1.5 g × 3)

AMK (0.5 g × 2)

Day -21

Day -2

53

8

RE

140/99

69

M

NF

1

Unknown

Severe sepsis

CTX (2 g × 3)

IPM (0.5 g × 3)

No

Not changed

Day -15

Day 0

20

5

FA

47/00

19

F

NF

6

LRTI, IVC

Sepsis

MEM (1 g × 2)

AMK (1 g)

Yes

MEM (1 g × 3)

AMK (1 g)

Day 1

6

18

FA

324/00

27

M

NF

0

Unknown

Sepsis

CIP (0.4 g × 2)

No

Not changed

Day 0

13

RE

A360/00

72

M

RF

6

LRTI

Sepsis

None

No

MEM (0.5 g × 4)

AMK (0.75 g)

Day 3

Day 3

13 18

RE

527/00

60

M

NF

3

Unknown

Sepsis

IPM (0.5 g × 4)

No

Not changed

Day -9

13

CR

2126/01

67

F

RF

6

UTI

Sepsis

CRO (2 g)

No

IPM (1 g × 3)

Day 3

8

PR

A150/02

90

M

UF

3

UTI

Severe sepsis

CIP (0.2 g × 2)

TZP (2 g × 2)

No

IPM (0.5 g × 2)

Day 1

11

RE

  1. Abbreviations for antimicrobial agents: SXT, trimethoprim-sulfametoxazole; PIP, piperacillin; TZP, piperacillin plus tazobactam; CRO, ceftriaxone; FEP, cefepime; IPM, imipenem; MEM, meropenem; CIP, ciprofloxacin; AMK, amikacin; GEN, gentamicin.
  2. a Sex: F, female; M, male.
  3. b McCabe & Jackson classification: NF, nonfatal; UF, ultimately-fatal; RF, rapidly-fatal.
  4. c Primary source(s) of infection: LRTI, lower respiratory tract infection; IVC, intravascular catheter colonization; UTI, urinary tract infection.
  5. d ID, identification; AST, antimicrobial susceptibility test.
  6. e Treatment outcome: CR, complete response; PR, partial response; FA, failure; RE, relapse.