Efficacy of endoscopic interventions versus surgery for pain management in patients with chronic calcific pancreatitis: a systematic review and meta-analysis.
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INTRODUCTION: Chronic calcific pancreatitis (CCP) is a debilitating inflammatory condition characterized by the accumulation of calcific deposits in the pancreatic tissue, leading to chronic abdominal pain and functional insufficiencies. This study aims to systematically review and meta-analyse comparative studies assessing the efficacy of endotherapy versus surgery in managing CCP-related pain. METHODS: MEDLINE, EMBASE, and Cochrane library (CENTRAL and CDSR), from inception to October 2023, were searched. The inclusion criteria encompassed randomized controlled trials (RCTs) and non-randomized controlled trials (NRS), and cohort studies comparing endoscopic interventions to surgery for pain management in patients with CCP. Pain relief, procedural technical success, and procedural-related complications were the outcomes of interest. Two review authors (CN, KK) independently assessed study eligibility criteria and performed data extraction. Using a random-effects model, pooled odds ratios (OR) with 95% confidence intervals (CI) were calculated. The level of certainty of the evidence was assessed using the GRADE approach. RESULTS: Five studies were included. For the outcome of pain relief, a meta-analysis of five studies (3 RCTs and 2 cohort studies) demonstrated a significant therapeutic effect in favour of surgery with an OR of 2.36 (95% CI: 1.12 to 5.00, I2 = 41.70), with moderate level of certainty of evidence. In the analysis of five studies (3 RCTs, 1 NRS and 2 cohort studies), procedural technical success was comparable between the two groups (OR of 3.02, 95% CI: 0.47 to 19.59, I2 = 79.27%) as were adverse events (OR 1.31, 95% CI: 0.47 to 3.70, I2 = 50.93%). CONCLUSION: In conclusion, this systematic review and meta-analysis suggest that surgery may be more effective in relieving pain in patients with CCP compared to endoscopic interventions. Disease stage may be important to determine the appropriateness of each procedure. PROSPERO (CRD42023476153).
