Rajesh Krishnamoorthi1, Chandra S Dasari2, Viveksandeep Thoguluva Chandrasekar2,3, Harshith Priyan4, Mahendran Jayaraj5, Joanna Law6, Michael Larsen6, Richard Kozarek6, Andrew Ross6, Shayan Irani6. 1. Virginia Mason Medical Center, Digestive Diseases Institute, Seattle, WA, USA. Rajesh.Krishnamoorthi@virginiamason.org. 2. Department of Gastroenterology and Hepatology, Kansas City VA Medical Center, Kansas City, USA. 3. University of Kansas Medical Center, Kansas City, KS, USA. 4. Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA. 5. University of Nevada, Las Vegas, NV, USA. 6. Virginia Mason Medical Center, Digestive Diseases Institute, Seattle, WA, USA.
Abstract
BACKGROUND: Endoscopic ultrasound-guided choledochoduodenostomy (CDD) is emerging as an alternative technique for biliary drainage in patients who fail conventional endoscopic retrograde cholangiopancreatography (ERCP). The lumen-apposing metal stents (LAMS) are being increasingly used for CDD. We performed a systematic review and meta-analysis to evaluate the effectiveness and safety of CDD using LAMS. METHODS: We performed a systematic search of multiple databases through May 2019 to identify studies on CDD using covered self-expanding metal stents. Pooled rates of technical success, clinical success, adverse events, and recurrent jaundice associated with CDD using LAMS were estimated. A subgroup analysis was performed based on use of LAMS with electrocautery-enhanced delivery system (EC-LAMS). RESULTS: Seven studies on CDD using LAMS (with 284 patients) were included in the meta-analysis. Pooled rates of technical and clinical success (per-protocol analysis) were 95.7% (95% CI 93.2-98.1) and 95.9% (95% CI 92.8-98.9), respectively. Pooled rate of post-procedure adverse events was 5.2% (95% CI 2.6-7.9). Pooled rate of recurrent jaundice was 8.7% (95% CI 4.5-12.8). On subgroup analysis of CDD using EC-LAMS (5 studies with 201 patients), the pooled rates of technical and clinical success (per-protocol analysis) were 93.8% (95% CI 90.4-97.1) and 95.9% (95% CI 91.9-99.9), respectively. Pooled rate of post-procedure adverse events was 5.6% (95% CI 1.7-9.5). Pooled rate of recurrent jaundice was 11.3% (95% CI 6.9-15.7). Heterogeneity (I2) was low to moderate in the analyses. CONCLUSION: CDD using LAMS/EC-LAMS is an effective and safe technique for biliary decompression in patients who failed ERCP. Further studies are needed to assess CDD using LAMS as primary treatment modality for biliary obstruction.
BACKGROUND: Endoscopic ultrasound-guided choledochoduodenostomy (CDD) is emerging as an alternative technique for biliary drainage in patients who fail conventional endoscopic retrograde cholangiopancreatography (ERCP). The lumen-apposing metal stents (LAMS) are being increasingly used for CDD. We performed a systematic review and meta-analysis to evaluate the effectiveness and safety of CDD using LAMS. METHODS: We performed a systematic search of multiple databases through May 2019 to identify studies on CDD using covered self-expanding metal stents. Pooled rates of technical success, clinical success, adverse events, and recurrent jaundice associated with CDD using LAMS were estimated. A subgroup analysis was performed based on use of LAMS with electrocautery-enhanced delivery system (EC-LAMS). RESULTS: Seven studies on CDD using LAMS (with 284 patients) were included in the meta-analysis. Pooled rates of technical and clinical success (per-protocol analysis) were 95.7% (95% CI 93.2-98.1) and 95.9% (95% CI 92.8-98.9), respectively. Pooled rate of post-procedure adverse events was 5.2% (95% CI 2.6-7.9). Pooled rate of recurrent jaundice was 8.7% (95% CI 4.5-12.8). On subgroup analysis of CDD using EC-LAMS (5 studies with 201 patients), the pooled rates of technical and clinical success (per-protocol analysis) were 93.8% (95% CI 90.4-97.1) and 95.9% (95% CI 91.9-99.9), respectively. Pooled rate of post-procedure adverse events was 5.6% (95% CI 1.7-9.5). Pooled rate of recurrent jaundice was 11.3% (95% CI 6.9-15.7). Heterogeneity (I2) was low to moderate in the analyses. CONCLUSION: CDD using LAMS/EC-LAMS is an effective and safe technique for biliary decompression in patients who failed ERCP. Further studies are needed to assess CDD using LAMS as primary treatment modality for biliary obstruction.
Entities:
Keywords:
Adverse events; EC-LAMS- electro-cautery-enhanced LAMS; LAMS- lumen-apposing metal stents; Malignant biliary obstruction; Technical and clinical success
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