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Introduction

Cholecystectomy is recommended for patients with acute biliary pancreatitis to prevent recurrence and other biliary complications. However, some patients, due to advanced age and comorbidities, are unfit for surgery. The role of endoscopic retrograde cholangiopancreatography (ERCP) with endoscopic sphincterotomy (ES) in these cases is not well established^1,2.

Aims & Methods

We aimed to evaluate whether ES reduces the risk of recurrent biliary pancreatitis (RBP) in patients unfit for cholecystectomy.
A unicentric retrospective review was conducted including all patients admitted for a first episode of acute biliary pancreatitis between January 2016 and November 2023 at a non-tertiary hospital, who were deemed unfit for cholecystectomy by either surgical or anesthetic teams. Patients with concurrent acute cholangitis at admission or during hospitalization, as well as those with prior cholecystectomy or ES, were excluded. Time-to-event analysis was performed using Kaplan-Meier survival curves.

Results

A total of 169 patients were included, with a mean age of 79.07 ± 8.25 years, and 65% were female. The mean Charlson Comorbidity Index was 5.11 ± 2.09. Most cases (94%) presented as mild or moderately severe pancreatitis. The mean follow-up period was 3.80 ± 1.95 years.
During the index admission, 37% (n=62) underwent ERCP with ES.
Recurrent biliary pancreatitis (RBP) occurred in 35 patients (21%), 97% of whom had not undergone ES. Only one patient in the ES group was readmitted for a new episode of pancreatitis (p<0.001, OR 0.035; 95% CI 0.005–0.265). The mean time to recurrence was 2.67 ± 7.78 months. Kaplan-Meier survival analysis demonstrated a significantly lower cumulative incidence of RBP in the ES group (log-rank p<0.001).
Endoscopic sphincterotomy did not significantly reduce other biliary events, including choledocholithiasis, acute cholangitis, and acute cholecystitis (all p>0.05). There was no statistically significant difference in overall mortality between the two groups (p=0.585).

	Overall (n=169)	No intervention (n=107)	ERCP + ES (n=62)	p value
Recurrent biliary pancreatitis	21% (n=35)	32% (n=34)	2% (n=1)	p<0.001
Choledocholithiasis	3% (n=5)	4% (n=4)	2% (n=1)	p=0.653
Acute cholangitis	2% (n=4)	3% (n=3)	2% (n=1)	p=1
Acute cholecystitis	7% (n=11)	4% (n=4)	2% (n=1)	p=0.101
Overall mortality	25% (n=43)	27% (n=29)	23% (n=14)	p=0.585

Conclusion

Our findings suggest that ERCP with ES may effectively reduce the recurrence of gallstone pancreatitis in elderly patients with high surgical-anesthetic risk due to comorbidities. Further studies are needed to refine the selection criteria for these patients.

References

1 - Hwang SS, Li BH, Haigh PI. Gallstone pancreatitis without cholecystectomy. JAMA Surg. 2013 Sep;148(9):867-72.
2 - McAlister, V., Davenport, E., & Renouf, E. (2007). Cholecystectomy deferral in patients with endoscopic sphincterotomy. Cochrane Database of Systematic Reviews.