Clinical Study

Occult Infection in Aseptic Joint Loosening and the Diagnostic Role of Implant Sonication

Table 2

Positive culture case series.

Patient number Aseptic loosening (AL) or control (C) Joint involved Conventional culture Sonication culture Organism Treatment Clinical follow-up Months since index procedure Infection related complication

2 A.L Uncemented THA N Y S. aureus Oral Abs. 22 31 No
7 A.L Hybrid THA Y N CONS NIL 3 27 No
18 A.L Cemented THA Y N CONS NIL 15 24 No
19 A.L Uncemented THA Y Y CONS ID/Abs. 5 23 No
32 C Uncemented THA Y Y CONS NIL 10 13 No
70 A.L Uncemented THA Y N CONS NIL 12 18 No
96 A.L Cemented THA Y Y CONS ID/Abs. 3 13 No
107 A.L TKA Y N S. aureus ID/Abs. 8 9 No
110 A.L TKA Y N CONS NIL 6 8 No