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Wong T. et al., 2024: Predictive Factors Correlated with Successful Early Endoscopic Removal of Pancreaticolithiasis in Chronic Pancreatitis after Extracorporeal Shock Wave Lithotripsy.

Wong T, Pattarapuntakul T, Netinatsunton N, Ovartlarnporn B, Sottisuporn J, Yaowmaneerat T, Attasaranya S, Cattapan K, Sripongpun P.
Gastroenterology and Hepatology Unit, Division of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai 90110, Songkhla, Thailand.
NKC Institute of Gastroenterology and Hepatology, Songklanagarind Hospital, Faculty of Medicine, Prince of Songkla University, Hat Yai 90110, Songkhla, Thailand.
Department of Radiology, Faculty of Medicine, Prince of Songkla University, Hat Yai 90110, Songkhla, Thailand.

Abstract

Background: The treatment of chronic pancreatitis (CP) and symptomatic pancreatic duct (PD) calculi often involves techniques like endoscopic retrograde cholangiopancreatography (ERCP), extracorporeal shock wave lithotripsy (ESWL), or a combination of both. However, identifying predictive factors for the successful removal of these calculi remains variable. This study aimed to determine the factors predicting successful ESWL and endoscopic removal in CP and PD calculi patients.

Methods: We examined data from CP patients who underwent complete PD calculi removal via ESWL combined with ERCP between July 2012 and 2022, and assessed baseline characteristics, imaging findings, and treatment details. Patients were categorized into early- and late-endoscopic complete removal groups (EER and LER groups, respectively).

Results: Of the 27 patients analyzed, 74.1% were male with an average age of 44 ± 9.6 years. EER was achieved in 74% of the patients. Patients in the EER group exhibited smaller PD calculi diameter (8.5 vs. 19 mm, p = 0.012) and lower calculus density (964.6 vs. 1313.3 HU, p = 0.041) compared to the LER group. Notably, PD stricture and the rate of PD stent insertion were not different between the groups. A calculus density threshold of 1300 HU on non-contrast CT demonstrated 71% sensitivity and 80% specificity in predicting EER.

Conclusions: Smaller and low-density PD calculi may serve as predictors for successful EER, potentially aiding in the management of CP patients with PD calculi.

Diagnostics (Basel). 2024 Jan 12;14(2):172. doi: 10.3390/diagnostics14020172. PMID: 38248049 FREE PMC ARTICLE

 

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Comments 1

Peter Alken on Friday, 21 June 2024 11:00

A well-known problem in urology since years. See also (1) and comment.

1 Assessment of pancreatic ductal stone density on non-contrast computed tomography for predicting the outcome of extracorporeal shock wave lithotripsy.
Dalal A, Kamat N, Maydeo A, Patil G, Vadgaonkar A, Parekh S, Vora S.
Endosc Int Open. 2024 Feb 28;12(2):E274-E281. doi: 10.1055/a-2226-1464. eCollection 2024 Feb.
PMID: 38420153
Free PMC article.

Peter Alken

A well-known problem in urology since years. See also (1) and comment. 1 Assessment of pancreatic ductal stone density on non-contrast computed tomography for predicting the outcome of extracorporeal shock wave lithotripsy. Dalal A, Kamat N, Maydeo A, Patil G, Vadgaonkar A, Parekh S, Vora S. Endosc Int Open. 2024 Feb 28;12(2):E274-E281. doi: 10.1055/a-2226-1464. eCollection 2024 Feb. PMID: 38420153 Free PMC article. Peter Alken
Friday, 12 July 2024