Abstract
Background and study aims Favorable outcomes were noted with refinement in newer endoscopic ultrasound-guided liver biopsy (EUS-LB) needle tips. Still, the overall usefulness and benefit are yet to be well explored.
Patients and methods This was a retrospective analysis of
patients with EUS-LB (Franseen-tip 19G versus 22G FNB needle) over 2 years. EUS-LB was
obtained in a one-pass, two-actuation, modified wet suction technique. Diagnostic yield,
fragmentation rate, aggregate specimen length (AL), number of complete portal tracts (CPT),
length of longest intact core (LIC), adverse events (AEs) (early), and cost of the procedure
(1USD = 82 INR) were compared.
Results Fifty-four patients (33 [61.1%], female) successfully
underwent EUS-LB with a median age of 46 years (interquartile range [IQR] 34–54); the majority
32 (59.2%) underwent 19G biopsies. There was a significantly increased median (IQR) AL in the
19G compared with 22G (20 mm [19–21] vs. 15 [14–15], P < 0.001),
respectively. Similarly, significantly lengthier median LIC and CPT were seen, respectively. A
nonsignificant diagnostic yield was noted (100% vs. 90.9%, P =
0.082), respectively. The fragmentation rate was higher in 22G FNB needles (36.4% [95% CI
16–56] vs. 12.5% [95% CI 1–24], respectively; P = 0.038). Seven
patients (12.9%) had mild AEs with no difference between groups. The average procedure cost
with 19G was INR 63000 (768$), and with 22G needle was INR 54500 (664$).
Conclusions The Franseen-tip 19G outperforms 22G with a significantly lower fragmentation rate, longer AL, LIC, and a higher number of CPT with a marginal increase in the procedure cost, without any difference in diagnostic yield and safety.
Keywords
Intervention EUS - Endoscopic ultrasonography - Fine-needle aspiration/biopsy
