Table 2:
Infection characteristics among included studies and patients
| No. (%) of studies; n = 24 | No. (%) of patients; n = 5705 | Study citations | |
|---|---|---|---|
| Patients with multiple abscesses | 13 (54) | 780 (13.7) | (3,5,6,18–22,30–35) |
| Abscess etiology | 16 (66.7) | 3,190/5,705 (55.9) | (1,3,4,6,19–22,25–30,34–36) |
| Hematogenous | 6 (37.5) | 48/3190 (1.5) | (1,27–29,34,35) |
| Biliary tract | 15 (62.5) | 1,328/3190 (41.6) | (1,3,4,6,19–22,27–30,34,35) |
| Portal vein | 5 (31.3) | 63/3190 (2.0) | (27–29,35,36) |
| Contiguous/Trauma | 3 (18.8) | 117/3190 (3.7) | (6,21,35) |
| Cryptogenic | 13 (54.2) | 1,427/3190 (44.7) | (1,3,4,6,19–22,27–29,35,36) |
| Diabetes | 1 (6.3) | 8/3190 (0.25) | (1) |
| Post surgical | 4 (25) | 49/3190 (1.5) | (21,25,34,36) |
| Unknown | 4 (25) | 150/3190 (4.7) | (20,21,27,29) |
| Concurrent bacteremia | 13 (54.2) | 1393/3649 (38.2) | (3–6,18,21,22,27,30,31,34–36) |
| Treated with antibiotics alone | 20 (83.3) | 827/5705 (14.5) | (1,3–6,18–29,34,35) |
| Surgical intervention | 22 (91.7) | 4366/5705 (76.5) | (1,3–6,18–30,33–36) |
| Image guided aspiration | 13 (54.2) | 1484/4366 (34.0) | (6,19–22,25–30) |
| Percutaneous image guided drainage | 15 (62.5) | 2055/4366 (47.1) | (1,4,5,20–27,29,33–35) |
| Surgical drainage | 17 (70.8) | 187/4366 (4.3) | (1,3–5,18–22,25–29,33,35,36) |
| Unspecified drainage | 4 (16.7) | 569/4366 (13.0) | (3,18,30,36) |
| Endoscopic retrograde cholangiopancreatography | 2 (8.3) | 71/4366 (1.6) | (1,34) |