Percutaneous catheter drainage outperforms needle aspiration for liver abscess clinical successCatheter Drainage Shows Higher Success for Treating Liver Abscesses

European journal of gastroenterology & hepatology Published October 6, 2026 Study authors: Xu Dandan, Zeng Deying PubMed ↗ DOI ↗ Editorial oversight: Dr. Amelia Tan, PhD · Internal Medicine & Chronic Disease

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Key Takeaway

Consider PCD over PNA for liver abscess, but note certainty data are limited.

This meta-analysis pooled data from randomized controlled trials to compare percutaneous catheter drainage (PCD) with percutaneous needle aspiration (PNA) in adults with liver abscesses. The total sample size was 1425. The primary outcome was clinical treatment success rate, and the secondary outcome was procedure-related complication rate.

PCD was associated with a significantly higher clinical treatment success rate compared with PNA (OR 4.12, 95% CI 2.01-8.45; P < 0.001). The authors report that this advantage did not come at the cost of increased procedure-related complications, though specific complication rates were not reported.

The meta-analysis did not report follow-up duration, certainty of evidence, or funding and conflicts of interest. Limitations were not reported. The association is based on randomized controlled trials, but the certainty of the evidence remains unclear given the missing details.

For practice, these findings suggest that PCD may be preferred over PNA for achieving clinical success in adults with liver abscesses. However, clinicians should interpret the pooled estimate cautiously because the certainty of evidence and safety data are not fully characterized.

Researchers analyzed data from 1,425 adults with liver abscesses to compare two different drainage methods. They compared percutaneous catheter drainage (PCD) with percutaneous needle aspiration (PNA). The goal was to see which method performed better in achieving clinical success and whether one method caused more complications.

The results showed that patients who received catheter drainage had a significantly higher success rate compared to those who received needle aspiration. The data showed a much higher odds of success for the catheter method. Importantly, the study did not find that the catheter method increased the rate of procedure-related complications compared to the needle method.

While the data suggests that catheter drainage is more effective for treating liver abscesses, it is important to remember that this is a summary of existing trials. Because this is a meta-analysis, the results reflect a broad overview of data rather than a single new trial. Patients should speak with their doctors to determine the best treatment plan based on their specific medical needs.

What this means for you:

Catheter drainage is associated with higher success rates for liver abscesses than needle aspiration.

Common questions

Is catheter drainage more effective than needle aspiration?

Yes, the meta-analysis of 1,425 patients showed that percutaneous catheter drainage (PCD) was associated with a significantly higher treatment success rate compared to percutaneous needle aspiration (PNA). The data showed a much higher odds of success for the catheter method.

Are there more complications with catheter drainage?

The study found that percutaneous catheter drainage (PCD) was associated with higher success rates without increasing the rate of procedure-related complications when compared to needle aspiration (PNA). Both methods were evaluated for safety during the procedure.

Who is this finding relevant for?

This finding is relevant for adults diagnosed with liver abscesses. It suggests that catheter drainage may be a more effective way to achieve clinical success than needle aspiration. You should discuss these options with your doctor to see which treatment is best for your specific case.

Study Details

Study typeMeta analysis

Sample sizen = 1,425

EvidenceLevel 1

PublishedNov 2026

PMID42743010

View Original Abstract ↓

BACKGROUND: Percutaneous catheter drainage (PCD) and percutaneous needle aspiration (PNA) are the two primary image-guided interventions for liver abscesses. However, their comparative efficacy and safety profiles remain debated. METHODS: We systematically searched PubMed, Embase, Web of Science, and the Cochrane Library for randomized controlled trials (RCTs) directly comparing PCD and PNA in adults with liver abscesses. The primary outcomes were clinical treatment success rate and procedure-related complication rate. Data were pooled using random-effects models, and heterogeneity was assessed with the I2 statistic. RESULTS: Twelve RCTs involving 1425 patients were included. Meta-analysis showed that PCD was associated with a significantly higher treatment success rate compared to PNA [odds ratio (OR) = 4.12, 95% confidence interval (CI) = 2.01-8.45; P < 0.001; I2 = 56%]. Subgroup analyses by abscess size and etiology confirmed the consistency of this benefit. There was no statistically significant difference in the overall complication rates between the two procedures (OR = 1.02, 95% CI = 0.30-3.50; P = 0.97; I2 = 46%). CONCLUSION: For the treatment of liver abscesses, PCD is superior to needle aspiration in achieving clinical success without increasing the risk of procedure-related complications. PCD should be considered the preferred percutaneous drainage technique.

Percutaneous catheter drainage outperforms needle aspiration for liver abscess clinical successCatheter Drainage Shows Higher Success for Treating Liver Abscesses

Common questions

Study Details

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Percutaneous catheter drainage outperforms needle aspiration for liver abscess clinical successCatheter Drainage Shows Higher Success for Treating Liver Abscesses

Common questions

Study Details

Higher TyG Index Linked to 4.36-Fold Increased Odds of NAFLD in Large Meta-Analysis

TyG Index Linked to Higher Fatty Liver Risk

Clinical research that matters. Delivered to your inbox.

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