Percutaneous ultrasonographically guided liver punctures: an analysis of 1961 patients over a period of ten years

BMC Gastroenterology

Table 4 Bleeding rate in relation to needle diameter, technique and localization (focal lesion, parenchyma)

Localization	Biopsies (n)	Technique (Ø in mm)	Major BR in % (n)	Minor BR in % (n)	Total BR in % (n)	p
Parenchyma	1,011	All techniques	0.4 (4)	0.3 (3)	0.7 (7)	0.3775*
Focal lesion	1,218	All techniques	0.3 (4)	0.7 (9)	1.1 (13)	0.3775*
Parenchyma	717	ABM (1.4)	0.0 (0)	0.3 (2)	0.3 (2)	0.0255*
Parenchyma	279	CB (1.2)	0.4 (1)	1.4 (4)	1.8 (5)	0.0255*
Parenchyma	279	CB (1.2)	0.4 (1)	1.4 (4)	1.8 (5)	0.5214*
Focal lesion	148	CB (1.2)	0.0 (0)	3.4 (5)	3.4 (5)	0.5214*
Focal lesion	148	CB (1.2)	0.0 (0)	3.4 (5)	3.4 (5)	<0.0001**
Focal lesion	585	FNAC (0.7)	0.0 (0)	0.0 (0)	0.0 (0)	<0.0001**
Focal lesion	585	FNAC (0.7)	0.0 (0)	0.0 (0)	0.0 (0)	<0.0001**
Focal lesion	368	CB & FNAC (1.2 & 0.7)	1.1 (4)	1.1 (4)	2.7 (8)	<0.0001**

* Bivariate logistic regression, statistically significant values in bold type.
** Fisher’s exact test von Fisher, statistically significant values in bold type.
ABM Aspiration biopsy (Menghini technique), BR Bleeding rate, FNAC Fine needle aspiration cytology, CB Cutting biopsy.

ISSN: 1471-230X