Prophylactic Effect of Somatostatin in Preventing Post-ERCP Pancreatitis: An Updated Meta-Analysis

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Abstract

Background/Aims:

Somatostatin is regarded as a prophylactic agent on post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis (PEP), but studies are still controversial.

Materials and Methods:

Electronic databases, including PubMed, EMBASE, the Cochrane library, and the Science Citation Index, were searched to retrieve relevant trials. In addition, meeting abstracts and the reference lists of retrieved articles were reviewed for further relevant studies.

Results:

Eleven randomized controlled trials (RCTs), enrolling a total of 2869 patients, were included in the meta-analysis. After data were pooled from somatostatin trials, PEP occurred in 8.36% of controls versus 5.62% of the treated group, with a slight significance [relative risk (RR) =0.58, 95% confidence interval (CI) 0.35–0.98, P = 0.04]. The funnel plot showed no asymmetry with a negative slope ( P = 0.108). The meta-analysis produced negative results for short-term infusion of somatostatin (RR = 1.40, 95% CI 0.93–2.12, P = 0.11), whereas a bolus or long-term injection of the drug proved effective (RR = 0.25, 95% CI 0.13–0.47, P < 0.0001; RR = 0.44, 95% CI 0.27–0.71, P = 0.0008). Postprocedure hyperamylasemia and pain was also observed in the meta-analysis, the pooled RR was significant for reduced risk of postprocedure hyperamylasemia (RR = 0.72, 95%CI 0.63 to 0.81, P < 0.00001), but not for the pain (RR = 0.67, 95% CI 0.42 to 1.08, P = 0.10).

Conclusion:

The current meta-analysis on the prophylactic use of somatostatin in patients undergoing ERCP documents a lack of benefit when given as short-term infusion, but showed an advantage of a single bolus or long-term injection. The beneficial effect of somatostatin, in reducing the incidence of postprocedural hyperamylasemia seems of marginal clinical significance. However, more new confirmatory data are needed to settle residual doubts.

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Most cited references 19

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Complications of endoscopic biliary sphincterotomy.

M L Freeman, D Nelson, S. Sherman … (1996)

Endoscopic sphincterotomy is commonly used to remove bile-duct stones and to treat other problems. We prospectively investigated risk factors for complications of this procedure and their outcomes. We studied complications that occurred within 30 days of endoscopic biliary sphincterotomy in consecutive patients treated at 17 institutions in the United States and Canada from 1992 through 1994. Of 2347 patients, 229 (9.8 percent) had a complication, including pancreatitis in 127 (5.4 percent) and hemorrhage in 48 (2.0 Percent). There were 55 deaths from all causes within 30 days; death was directly or indirectly related to the procedure in 10 cases. Of five significant risk factors for complications identified in a multivariate analysis, two were characteristics of the patients (suspected dysfunction of the sphincter of Oddi as an indication for the procedure and the presence of cirrhosis) and three were related to the endoscopic technique (difficulty in cannulating the bile duct achievement of access to the bile duct by "precut" sphincterotomy, and use of a combined percutaneous-endoscopic procedure). The overall risk of complications was not related to the patient's age, the number of coexisting illnesses, or the diameter of the bile duct. The rate of complications was highest when the indication for the procedure was suspected dysfunction of the sphincter of Oddi (21.7 percent) and lowest when the indication was removal of bile-duct stones within 30 days of laparoscopic cholecystectomy (4.9 percent). As compared with those who performed fewer procedures, endoscopists who performed more than one sphincterotomy per week had lower rates of all complications (8.4 percent vs. 11.1 percent, P=0.03) and severe complications (0.9 percent vs. 2.3 percent, P=0.01). The rate of complications after endoscopic biliary sphincterotomy can vary widely in different circumstances and is primarily related to the indication for the procedure and to endoscopic technique, rather than to the age or general medical condition of the patients.

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Incidence rates of post-ERCP complications: a systematic survey of prospective studies.

Angelo Andriulli, Silvano Loperfido, Grazia Napolitano … (2007)

To provide health-care providers, patients, and physicians with an exhaustive assessment of prospective studies on rates of complications and fatalities associated with endoscopic retrograde cholangiopancreatography (ERCP). We searched MEDLINE (1977-2006) for prospective surveys on adult patients undergoing ERCP. "Grey literature" was sought by looking at cited references to identify further relevant studies. Data on postprocedural pancreatitis, bleeding, infections, perforations, and miscellaneous events as well as their associated fatalities were extracted independently by two reviewers. Sensitivity analysis was performed to test for data consistency between multicenter versus single center studies, and old (1977-1996) versus recent (1997-2005) reports. In 21 selected surveys, involving 16,855 patients, ERCP-attributable complications totaled 1,154 (6.85%, CI 6.46-7.24%), with 55 fatalities (0.33%, CI 0.24-0.42%). Mild-to-moderate events occurred in 872 patients (5.17%, CI 4.83-5.51%), and severe events in 282 (1.67%, CI 1.47-1.87%). Pancreatitis occurred in 585 subjects (3.47%, CI 3.19-3.75%), infections in 242 (1.44%, CI 1.26-1.62%), bleeding in 226 (1.34%, CI 1.16-1.52%), and perforations in 101 (0.60%, CI 0.48-0.72%). Cardiovascular and/or analgesia-related complications amounted to 173 (1.33%, CI 1.13-1.53%), with 9 fatalities (0.07%, CI 0.02-0.12%). As compared with old reports, morbidity rates increased significantly in most recent studies: 6.27%versus 7.51% (P(c)= 0.029). ERCP remains the endoscopic procedure that carries a high risk for morbidity and mortality. Complications continue to occur at a relatively consistent rate. The majority of events are of mild-to-moderate severity.

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Complications of diagnostic and therapeutic ERCP: a prospective multicenter study.

E. Masci, A Lomazzi, S Curioni … (2001)

Diagnostic and therapeutic endoscopic retrograde cholangiopancreatography (ERCP/ES) can be associated with unforeseeable complications, especially when involving postprocedural pancreatitis. The aim of the study was to investigate risk factors for complications of ERCP/ES in a prospective multicentric study. One hundred fifty variables were prospectively collected at time of ERCP/ES and before hospital discharge over 2 years, in consecutive patients undergoing the procedure in nine endoscopic units in the Lombardy region of Italy. More than 150 ERCPs were performed in each center per year by a single operator or by a team of no more than three endoscopists. Two thousand four hundred sixty-two procedures were performed; 18 patients were discharged because the papilla of Vater was not reached (duodenal obstruction, previous gastrectomy, etc.). Two thousand four hundred forty-four procedures were considered in 2103 patients. Overall complications occurred in 121 patients (4.95% of cases): pancreatitis in 44 patients (1.8%), hemorrhage in 30 (1.13%), cholangitis in 14 (0.57%), perforation during ES in 14 (0.57%), and others in 14 (0.57%); deaths occurred in three patients (0.12%). In multivariate analysis, the following were significant risk factors: a) for pancreatitis, age (< or = 60 yr), use of precutting technique, and failed clearing of biliary stones, and b) for hemorrhage, precut sphincterotomy and obstruction of the orifice of the papilla of Vater. The results of our study further contribute to the assessment of risk factors for complications related to ERCP/ES. It is crucial to identify high risk patients to reduce complications of the procedures.

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Author and article information

Journal

Journal ID (nlm-ta): Saudi J Gastroenterol

Journal ID (iso-abbrev): Saudi J Gastroenterol

Journal ID (publisher-id): SJG

Title: Saudi Journal of Gastroenterology : Official Journal of the Saudi Gastroenterology Association

Publisher: Medknow Publications & Media Pvt Ltd (India )

ISSN (Print): 1319-3767

ISSN (Electronic): 1998-4049

Publication date (Print): Nov-Dec 2015

Volume: 21

Issue: 6

Pages: 372-378

Affiliations

[1 ]Department of Human Anatomy, College of Basic and Forensic Medicine, Sichuan University, Chengdu, Sichuan Province, China

[2 ]Department of Geriatric Medicine and Gastroenterology, Sichuan Academy of Medical Science, Sichuan Provincial People's Hospital, Chengdu, Sichuan Province, China

Author notes

Address for correspondence: Prof. Feng Shi, Department of Human Anatomy, College of Basic and Forensic Medicine, Sichuan University, No.17, Section 3, South Renmin Road, Chengdu, Sichuan, China 610041. E-mail: qinqin688418@ 123456126.com

Article

Publisher ID: SJG-21-372

DOI: 10.4103/1319-3767.167187

PMC ID: 4707805

PubMed ID: 26655132

SO-VID: d0a0b671-d860-4906-985f-4934ab49daf9

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Prophylactic Effect of Somatostatin in Preventing Post-ERCP Pancreatitis: An Updated Meta-Analysis

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Abstract

Background/Aims:

Materials and Methods:

Results:

Conclusion:

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Karger: Gastroenterology

Most cited references 19

Complications of endoscopic biliary sphincterotomy.

Incidence rates of post-ERCP complications: a systematic survey of prospective studies.

Complications of diagnostic and therapeutic ERCP: a prospective multicenter study.

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