Table 3.
Diagnostic approach | Total N = 34 (%) |
---|---|
Clinical manifestation* | |
Pain/tenderness/swelling | 20 (59) |
Cellulitis/ulcer/abscess | 8 (24) |
Neurological deficit | 4 (12) |
Movement painfully restricted | 21 (62) |
Fever | 8 (24) |
Types of infection | |
Direct inoculation | 19 (56) |
Hematogenous | 8 (24) |
Contiguous | 7 (21) |
Initial presentation of osteoarticular infections | |
One bone infected | 28 (82) |
Two bones infected | 4 (12) |
≥3 bones infected | 2 (6) |
Bone involvement | |
Skull and facial bones | 6 (18) |
Upper limb | 2 (6) |
Scapula | 1 (3) |
Sternum | 1 (3) |
Vertebra | 3 (9) |
Femur | 4 (12) |
Hip osteomyelitis/multiple sites | 4 (12) |
Tibia | 7 (21) |
Knee arthritis | 2 (6) |
Foot | 4 (12) |
Radiological features* | |
Osteolytic lesion | 14 (41) |
Increase of nuclear scan uptake | 8 (23) |
TC99 m/Ga67 | |
Bone destruction/erosion | 3 (9) |
Lucency | 3 (9) |
Necrosis | 2 (6) |
Not specified | 7 (21) |
Inflammatory markers | |
ESR | |
Mean ± SD | 74 ± 27 |
Median (Range) | 69 (40–107) |
WBC | |
Mean ± SD | 16,891 ± 8,265 |
Median (Range) | 16,150 (7,000–29,400) |
Types of biopsy | N = 32 |
Open surgical wound | 28 (87) |
Percutaneous needle biopsy | 3 (9) |
Arthroscopy | 1 (3) |
Diagnostic delay (days) | |
Mean ± SD | 73 ± 47 |
Median (Range) | 60 (10–180) |
Treatment | N = 33 |
(one died before treatment) | |
Only Amphotericin B | 4 (12) |
Only Surgery | 1 (3) |
Amphotericin B + surgery | 28 (85) |
Duration of medical treatment, | 45 (5–573) |
median (range) d | |
Type of surgical intervention (n = 29) | |
Debridement | 11 (38) |
Amputation | 5 (17) |
Bone grafting/multiple procedures/ | 7 (24) |
Autotransplantation/Fixation | |
Decompressive laminectomy | 1 (3.5) |
Excision | 5 (17) |
Outcome | |
Complete response | 14 (41) |
Partial response | 12 (35) |
Crude mortality | 8 (24) |
Attributable death | 6 (18) |
*Some cases demonstrate more than one symptom.