Gastrointestinal endoscopy · 1996
Endosonography-guided cholangiopancreatography.
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Wiersema M J, Sandusky D, Carr R, Wiersema L M, Erdel W C, Frederick P K
Аннотация
BACKGROUND: Detailed imaging of the common bile duct and main pancreatic duct is possible with endosonography. Utilizing a custom manufactured flexible needle, we have developed a technique of performing endosonography-guided cholangiopancreatography (EGCP).
METHODS: Of 205 patients undergoing ERCP, complete ductography was not possible in 11 patients. Employing a linear scanning echoendoscope in conjunction with a 4 cm, 22 to 23 gauge aspiration needle, transduodenal cholangiography (n = 10) or transgastric pancreatography (n = 1) was attempted.
RESULTS: Successful ductography was possible in 8 of 11 patients (EGCP success 73% vs ERCP 0%, p < .001, Fisher's exact test). In 5 patients, abnormalities identified on EGCP subsequently led to repeat ERCP with precut sphincterotomy. In all of these cases 100% agreement was found between EGCP and ERCP findings. One postprocedure case of pancreatitis occurred in a patient who underwent EGCP at the same setting as the failed ERCP. No early or late complications occurred in the patient group with EGCP performed at a separate setting.
CONCLUSION: EGCP allows an alternative method for obtaining cholangiopancreatography in those patients in whom ERCP is unsuccessful. Further studies are necessary to define the safety and success rate of this new procedure.
METHODS: Of 205 patients undergoing ERCP, complete ductography was not possible in 11 patients. Employing a linear scanning echoendoscope in conjunction with a 4 cm, 22 to 23 gauge aspiration needle, transduodenal cholangiography (n = 10) or transgastric pancreatography (n = 1) was attempted.
RESULTS: Successful ductography was possible in 8 of 11 patients (EGCP success 73% vs ERCP 0%, p < .001, Fisher's exact test). In 5 patients, abnormalities identified on EGCP subsequently led to repeat ERCP with precut sphincterotomy. In all of these cases 100% agreement was found between EGCP and ERCP findings. One postprocedure case of pancreatitis occurred in a patient who underwent EGCP at the same setting as the failed ERCP. No early or late complications occurred in the patient group with EGCP performed at a separate setting.
CONCLUSION: EGCP allows an alternative method for obtaining cholangiopancreatography in those patients in whom ERCP is unsuccessful. Further studies are necessary to define the safety and success rate of this new procedure.