Table 1.
Overview of the patient population
| Patient | Sex | Age (years) | Defect size (cm) | Timing of flap | Infecting species | Followup (months) | Latest outcome |
|---|---|---|---|---|---|---|---|
| 1 | M | 54 | 4 × 5 | Spacer exchange | MSSA, Proteus, Enterobacter cloacae | 71 | Retained TKA prosthesis |
| 2 | F | 45 | 4 × 4 | Spacer exchange | MRSA | 63 | Retained TKA prosthesis |
| 3 | F | 63 | 3 × 3 | Reimplantation | MRSA | 44 | Retained TKA prosthesis |
| 4 | F | 66 | 1 × 1 | Irrigation and débridement with polyethylene liner exchange | Culture-negative | 41.5 | Retained TKA prosthesis |
| 5 | F | 36 | 5 × 3 | Reimplantation | Culture-negative | 40 | Retained TKA prosthesis |
| 6 | F | 66 | 6 × 7 | Irrigation and débridement with polyethylene liner exchange | MRSA | 33 | Retained TKA prosthesis |
| 7 | M | 85 | 2 × 3 | Reimplantation | MSSA | 31 | Retained TKA prosthesis |
| 8 | M | 48 | 3 × 4 | Explantation | Escherichia coli | 29 | Retained TKA prosthesis |
| 9 | F | 86 | 5 × 8 | Irrigation and débridement with polyethylene liner exchange | Escherichia coli | 26 | Retained TKA prosthesis |
| 10 | M | 52 | 5 × 10 | Spacer exchange | Vancomycin-sensitive Enterococcus species, Pseudomonas aeruginosa | 28 | Retained TKA prosthesis |
| 11 | M | 46 | 7 × 12 | Irrigation and débridement with polyethylene liner exchange | MSSA | 50 | Retained TKA prosthesis |
| 12 | F | 63 | 9 × 6 | Reimplantation | Culture-negative | 57 | Retained TKA prosthesis |
| 13 | M | 82 | 3 × 3 | Reimplantation | Peptostreptococcus species, Enterococcus species | 34 | Retained TKA prosthesis |
| 14 | M | 41 | 4 × 4 | Spacer exchange | Candida albicans, MSSA | 4 | Knee arthrodesis |
| 15 | F | 79 | 6 × 3 | Explantation | Pseudomonas aeruginosa | 33 | Knee arthrodesis |
| 16 | F | 76 | 4 × 4 | Explantation | Gram negative rods and Enterococcus species | 48 | Knee arthrodesis |
| 17 | F | 65 | 4 × 4 | Spacer exchange | MRSA | 66 | Knee arthrodesis |
| 18 | F | 58 | 3 × 2 | Explantation | MRSA, Peptoniphilus, Finegoldia magna | 110 | Knee arthrodesis |
| 19 | M | 52 | 5 × 5 | Reimplantation | MSSA | 34.5 | Distal femoral replacement after takedown of knee arthrodesis nonunion |
| 20 | M | 51 | 2 × 4 | Spacer exchange | MRSE | 18 | Above knee amputation |
| 21 | F | 63 | 2 × 2 | Explantation | MRSA | 60 | Irrigation and débridement for recurrent periprosthetic joint infection |
| 22 | M | 75 | 3 × 3 | Reimplantation | Enterococcus faecalis, MSSA | 48 | Irrigation and débridement for recurrent periprosthetic joint infection |
| 23 | M | 57 | 4 × 5 | Spacer exchange | Culture-negative | 22 | Chronic oral antibiotics for recurrent periprosthetic joint infection |
| 24 | M | 62 | 3 × 3 | Reimplantation | MSSE | 4 | Chronic oral antibiotics for recurrent periprosthetic joint infection |
| 25 | M | 57 | 4 × 3 | Spacer exchange | Candida parapsilosis, MRSE | 72 | Chronic oral antifungal for recurrent periprosthetic joint infection |
| 26 | M | 55 | 4 × 4 | Explantation | Bacteroides fragilis | 15.5 | Repeat 2-stage revision TKA for recurrent periprosthetic joint infection |
| 27 | M | 72 | 5 × 4 | Irrigation and débridement with polyethylene liner exchange | MSSA | 72 | Deceased, with static spacer for recurrent periprosthetic joint infection |
MSSA = methicillin-sensitive Staphylococcus aureus; MRSA = methicillin-resistant Staphylococcus aureus; MRSE = methicillin-resistant Staphylococcus epidermidis; MSSE = methicillin-resistant Staphylococcus epidermidis.