Contrast-enhanced ultrasound versus conventional ultrasound in guided liver puncture biopsy: a systematic review and meta-analysis

Lidan Yang, Ting Zhang, Lei Wang, Juan Du, Hao Zhang, Wenquan Yi

Abstract


Aim: To evaluate the contrast-enhanced ultrasound (CEUS) versus conventional ultrasound (US) in guided liver puncture biopsy through a systematic review and meta-analysis.

Material and methods: Comparative studies on CEUS and US in liver puncture biopsy were systematically searched from PubMed, Embase, Cochrane library, Chinese Biomedical Literature Database. Two researchers independently screened and extracted data, and RevMan 5.3 software was used for data analysis.

Results: The area under the curve (AUC) for CEUS and US in diagnosing liver biopsy was 0.98 (95%CI 0.99-0.97) and 0.95 (95%CI 0.97-0.93), respectively. CEUS demonstrated significantly higher single puncture success rate (38.0% vs 36.4%) [OR=2.67; 95% CI 1.38-5 .17; p=0 .003] and pathological diagnosis rate (95.6% vs 90.5%) [OR =4.35; 95%CI 2.25 -8.39; p<0 .001] compared to the US group. The diagnostic accuracy of the CEUS group was 95.6 % (1964/2054), while that of the US group was 90.5% (1729/1909). The combined analysis indicated significant advantages for CEUS over US [(OR = 2.36). 95 %CI 1.81-3.09, p<0.001].

Conclusions: CEUS is superior to US in the diagnostic performance, single puncture success rate, pathological diagnosis rate and diagnostic accuracy of liver biopsy in patients with liver lesions.


Keywords


contrast-enhanced ultrasound; ultrasound; liver biopsy; meta-analysis

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DOI: http://dx.doi.org/10.11152/mu-4374

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