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. 2015 Jan 31;8(1):7-18.
doi: 10.4066/AMJ.2015.2240. eCollection 2015.

Percutaneous aspiration versus catheter drainage of liver abscess: A retrospective review

Gurjeet Dulku  1 , Geeta Mohan  1 , Shaun Samuelson  1 , John Ferguson  1 , Jonathan Tibballs  1
Affiliations

Percutaneous aspiration versus catheter drainage of liver abscess: A retrospective review

Gurjeet Dulku et al. Australas Med J. .

Abstract

Background: A review of the effectiveness and outcomes in liver abscess drainage performed by different operators using percutaneous aspiration (PA) and catheter drainage (PCD), respectively, from 2008-2013 at Sir Charles Gairdner Hospital, a tertiary hospital in Australia.

Methods: Forty-two patients (29 males and 13 females; aged between 28-93 years; median age of 67 years) with liver abscesses underwent either ultrasound or CT-guided PA (n=22) and PCD (n=20) in conjunction with appropriate antimicrobial therapy. A median of 18 Gauge needle and 10 French catheters were utilised.

Results: Nineteen (86.4 per cent) PA cases and 12 (60 per cent) PCD cases were successfully drained on a single attempt (p=0.08). More male patients (69 per cent) than females (31 per cent) were observed. Portal sepsis (42.9 per cent) was the most common cause identified. Fever (47.6 per cent) was the most frequent clinical presentation on admission. Thirty-two patients (76.2 per cent) had solitary abscesses with a right lobe (59.5 per cent) predilection. CRP was significantly raised. The PCD group observed a significantly larger abscess size (p=0.01). Klebsiella pneumoniae was the most common organism isolated in both pus (33.3 per cent) and blood cultures (11.9 per cent). Five procedure-related complications were noted, all in the PCD group. Thirty-day mortality was 2.4 per cent. No difference was observed in clinical and treatment outcomes in both groups.

Conclusion: The null hypothesis that both PA and PCD are equally effective in the drainage of liver abscess cannot be rejected. Apart from PA being simpler and safer to perform, the higher incidence of indwelling catheter-associated complications suggests that a trial of PA should always be attempted first.

Keywords: Aspiration; catheter drainage; interventional radiology; liver abscess.

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Conflict of interest statement

CONFLICTS OF INTEREST

The authors declare that they have no competing interests.

Figures

Figure 1
Figure 1. Laboratory results
Figure 3
Figure 3. Outcome of interventional procedure
Figure 2
Figure 2. Procedural-related complications
See this image and copyright information in PMC

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