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Table 5 Pre- and Intraoperative Parameter of patients PJI could not be confirmed postoperatively CNS:

From: Diagnosis of periprosthetic infection following total hip arthroplasty – evaluation of the diagnostic values of pre- and intraoperative parameters and the associated strategy to preoperatively select patients with a high probability of joint infection

Patient

Preoperative

Findings

Aspiration

Intraop.

Cultures

Histo-

pathology

(Type)

C-

reactive

protein mg/dl

Prev.

Revision

Interpretation

1

pain, radiogr. loosening

E. coli

-

IV

0.95

2

lowgrade

2

Pain Metal/metal

CNS

-

I

0.6

-

metalosis wear (ME) lowegrade

3

Pain, Radiogr. loosening, chronic bronchitis

CNS

-

I

8.5

1

wear (PE+ME) lowgrade

4

Early failure with in 2 years persistent pain since surgery

Propioni

-

IV

-

-

lowgrade

5

persistent pain

CNS

-

I

-

-

wear (PE) lowgrade

6

pain

CNS

-

I

-

2

wear (PE) lowgrade

7

stem breakage prev. sept. revision

n.a.

CNS

I

-

1

metallosis lowgrade

8

Persistent pain Previous septic revision

-

-

III

-

1

lowgrade

9

Early failure after stem revision by periprosthetic fracture

-

-

IV

-

1

Pseudarthrose

10

Pain Recurrent dislocations Previous septic revision

-

-

I

-

6

wear (PE)

11

Pain recurrent dislocations Metal/metal Failure within 5 years

-

-

I

-

1

metallosis wear (ME)

12

Pain Recurrent dislocation Early failure within 5 years

-

-

I

2.9

4

wear (PE)

13

Pain, radiogr. loosening

-

-

I

1.1

1

wear (PE+ME)

  1. Coagulase negative Staphylococcus; PE: Polyethylen; E. coli: Escherichia coli; ME: metal
  2. (PE: polyethylene, ME: metal, CNS: Coagulase-negative Staphylococcus species, Propioni: Propionibacteria, n.a.: no aspiration)