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Table 4 overall distribution of microorganisms and in early, delayed, late infection as detected by sonicate fluid culture (SFC) and periprosthetic tissue culture (PTC)

From: Sonication of retrieved implants improves sensitivity in the diagnosis of periprosthetic joint infection

 

early (n = 68)

delayed (n = 40)

late (n = 37)

total (n = 145)

SFC

PTC

SFC

PTC

SFC

PTC

SFC

PTC

CNS1

18

15

14

7

6

8

38

30

MSSA2

9

6

1

1

4

5

14

12

MRSA3

2

1

2

2

1

1

5

4

gram (−) rods4

9

6

2

2

2

1

13

9

anaerobes

1

2

4

2

2

0

7

4

enterococci

2

0

2

1

1

0

5

1

streptococci

1

0

0

2

0

0

1

2

other

3

3

0

1

1

1

4

5

polymicrobial

7

13

1

6

5

1

13

20

no growth

16

22

14

16

15

20

45

58

  1. 1 CNS coagulase-negative staphylococci
  2. 2 MSSA methicillin succeptible Staphylococcus aureus
  3. 3 MRSA methicillin resistant staphylococcus aures
  4. 4 Gram (−) rods, gram-negative rods