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[Stent¸¦ ÀÌ¿ëÇÏ¿© EST ¾øÀÌ CBD stoneÀ» Á¦°ÅÇÏ¿© Sphincter of Oddi ±â´ÉÀ» º¸Á¸ÇÏ´Â ¹æ¹ý]

Àü³²´ëÇб³ º´¿ø¿¡¼­ ¹ßÇ¥ÇÑ 2015³â 8¿ùÈ£ Gastrointestinal EndoscopyÁöÀÇ Èï¹Ì·Î¿î ³í¹®À» º¸¾Ò½À´Ï´Ù (Jun CH. Gastrointest Endosc 2015). CBD stoneÀ» Á¦°ÅÇϴ ǥÁØÀûÀÎ ¹æ¹ýÀº EST ÈÄ basketÀ¸·Î stoneÀ» Á¦°ÅÇÏ´Â °ÍÀÔ´Ï´Ù. ±×·±µ¥ EST·Î ÀÎÇÏ¿© sphincter of Oddi ±â´ÉÀÌ ¼Õ»óµÇ±â ¶§¹®¿¡ duodenal contents°¡ ¿ª·ùÇÏ¿© ´ã¼® Àç¹ßÀÇ ¿øÀÎÀÌ µÇ´Â µî ÀûÁö ¾ÊÀº ¹®Á¦°¡ ÀÖ¾ú½À´Ï´Ù.

The standard treatment for choledocholithiasis has been endoscopic sphincterotomy (EST) with stone extraction during ERCP. However, these methods often encounter basket impaction in patients with small common bile ducts (CBDs) and have various adverse events. Early adverse events including pancreatitis, bleeding, perforation, and cholangitis have been reported to occur in up to 10% of cases, after which late adverse events such as recurrent choledocholithiasis, papillary stenosis, cholangitis, and malignant degeneration can occur. The incidence of recurrent choledocholithiasis was estimated to be 1% to 24%. These recurrences usually involve brown-pigmented stones and are a consequence of bile infection caused by free duodenobiliary reflux after loss of sphincter of Oddi (SO) function after EST. Impaired bile flow and stasis, as in papillary stenosis, play an important role in stone recurrence.

Àü³²´ë ¼±»ý´ÔµéÀº BONA-SHIM stent¸¦ »ðÀÔÇÑ ÈÄ ESD ¾øÀÌ CBD stoneÀ» Á¦°ÅÇÏ¿´°í Ä¡·á ÈÄ sphincter of OddiÀÇ ±â´ÉÀ» Æò°¡ÇÏ¿´½À´Ï´Ù.

(ºñ·Ï Á¦°¡ ERCP´Â Àß ¸ð¸£Áö¸¸) sphincter of Oddi ±â´ÉÀ» º¸Á¸ÇÒ ¼ö ÀÖ´Ù´Â Á¡¿¡¼­ ÁÁÀº Ä¡·á¶ó°í »ý°¢µÇ¾ú½À´Ï´Ù. ÀÌ ¿¬±¸¿¡ ´ëÇÏ¿© 'Incisionless stone extraction 2.0: clever, but costly'¶ó´Â editorialÀÌ ºÙ¾ú½À´Ï´Ù.

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