Are the echogenicities on intraductal ultrasonography really biliary microlithiasis?
Optimal concordance between IDUS and BM was observed when the size of the microlithiasis was greater than 1.4 mm; under these conditions the sensitivity and specificity were 71% and 75%, respectively. This information may be useful when deciding whether to perform endoscopic sphincterotomy.
Postoperative ileus stands out as one of the most frequent complications that causes increased length of stay. More detailed studies are required to determine perioperative regimens to reduce this complication.