Table 2.
Characteristics of studies comparing the outcomes of percutaneous needle aspiration (PNA) and percutaneous catheter drainage (PCD) in the management of liver abscess
| Authors | Year of study | Type of abscess included | Size of abscess included | Participants (PNA/PCD) | Initial i.v. antibiotic treatment | Risk for bias |
|---|---|---|---|---|---|---|
| Rajak et al.17 | 1998 | ALA and PLA | All sizes | 50 (25/25) | Cloxacillin, gentamicin, metronidazole | High |
| Yu et al.18 | 2004 | PLA only | All sizes | 64 (32/32) | Ampicillin, cefuroxime, metronidazole | Low |
| Zerem & Hadzic19 | 2007 | PLA only | All sizes | 60 (30/30) | Cefazolin, gentamicin | High |
| Singh et al.20 | 2009 | ALA and PLA | ≥ 10 cm | 72 (36/36) | Ceftriaxone, gentamicin, metronidazole | High |
| Singh et al.21 | 2013 | ALA and PLA | All sizes | 60 (30/30) | Cefazolin, gentamicin, metronidazole | High |
ALA, amoebic liver abscess; PLA, pyogenic liver abscess.