Influence of operator experience on performance of ultrasound-guided percutaneous liver biopsy

Chevallier, Patrick; Ruitort, Frederic; Denys, Alban; Staccini, Pascal; Saint-Paul, Marie; Ouzan, Denis; Motamedi, Jean; Tran, Albert; Schnyder, Pierre; Bruneton, Jean; Saint-Paul, Marie Christine; Motamedi, Jean Paul; Bruneton, Jean Noël
November 2004
European Radiology;Nov2004, Vol. 14 Issue 11, p2086
Academic Journal
journal article
The purpose was to evaluate the influence of radiologist's experience on the diagnostic yield and complications of a percutaneous liver biopsy (PLB) method. Six hundred patients underwent an ultrasound-guided PLB by an inexperienced operator in 25.2% of cases (experience of less than 15 percutaneous liver biopsies performed alone--group I) or by an experienced operator (experience of more than 150 percutaneous liver biopsies--group II). The two groups were well-matched with respect to sex, age, percentage with viral hepatitis without histological cirrhosis, number of needle passes, history of liver biopsy and pain before the biopsy. A histological diagnosis was available in 97.3% of cases without any significant difference between the two groups ( P=0.25). However, group II samples were significantly longer and contained more portal tracts ( P=0.01). Pain was mild immediately and 6 h after the biopsy, without significant difference between both groups. Eight vasovagal reactions (five in group II) and one arteriobiliary fistula (in group II) occurred. With the method of PLB used for this study, operator's experience did not influence either the final histological diagnosis or the degree of pain suffered.


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