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PubMed1995

Choledocholithiasis in patients with normal serum liver enzymes.

Retrospective chart review of 330 patients undergoing ERCP over a two-year period yielded five patients with choledocholithiasis whose serum liver enzyme and total bilirubin levels were repeatedly normal. All were female, three were elderly, and the gallbladder was in situ in three of the five, one of whom had a large gallbladder remnant. In four patients, the common bile duct was dilated (> 10 mm), whereas none had intrahepatic duct dilatation. Four patients had a prominent ampulla, and stone size varied widely. Each patient was managed with endoscopic sphincterotomy and stone extraction followed by cholecystectomy for the four patients with the gallbladder or its remnant in situ. This small series proves that common duct stones may exist in patients with repeatedly normal serum liver enzyme and total bilirubin levels. We hypothesize that marked dilatation of the common bile duct or gallbladder may serve as a pressure sump and blunt liver enzyme elevation. Normal liver enzymes should not dissuade one from performing cholangiography in patients with suspected choledocholithiasis.

Adult↗
PubMed1991

A case of Caroli's disease with hepatolithiasis, choledocholithiasis, and cholangiocarcinoma.

A 48-year-old woman with Caroli's disease accompanied by hepatolithiasis, choledocholithiasis, and cholangiocarcinoma is reported. Magnetic resonance imaging was useful for the diagnosis of the cholangiocarcinoma. The relationship between cholangiocarcinoma and hepatolithiasis, choledocholithiasis, and chronic cholangitis in Caroli's disease is discussed.

Adenoma, Bile Duct↗
PubMedDate not supplied

Virtual CT cholangiography in patients with choledocholithiasis.

BACKGROUND: We evaluated the feasibility and accuracy of virtual computed tomographic cholangiography (VCTC) in detecting choledocholithiasis and imaging anatomic variations of the biliary tree. METHODS: Thirty-three consecutive patients with clinical and biological signs of choledocholithiasis underwent spiral CT after intravenous infusion of iotroxindimeglumine. Patients with total serum bilirubin levels above 3 mg/dL were not included in this study. Spiral data sets were used to construct intralumenal images of the biliary tree. The images were reviewed by two abdominal radiologists. The biliary ducts were divided into three segments, so the analysis was based on 99 segments. The diagnosis obtained by VCTC was compared with the final diagnosis established by endoscopic retrograde cholangiography or intraoperative cholangiography. RESULTS: VCTC correctly depicted biliary stones in nine of 10 patients and anatomic variations in all five patients, and no false-positive cases were observed. VCTC showed excellent endolumenal visualization of 87 of 99 segments of the biliary tree. The processing time (9.3 +/- 2.1 min) was particularly short. CONCLUSION: VCTC with intravenous infusion of iotroxindimeglumine may be a feasible clinical tool, with acceptable accuracy in selected cases.

Cholangiography↗
PubMed2001

Choledocholithiasis: new approach to an old problem.

The old problem of diagnosis and treatment of choledocholithiasis is analyzed in light of recent developments in the field of radiology and surgery. The traditional indications for common bile duct (CBD) exploration resulted in a large number of unnecessary manipulations of the bile ducts. The same is now true of the widespread use of endoscopic retrograde cholangiopancreatography. With the advent of magnetic resonance imaging cholangiography, which can clearly demonstrate CBD calculi by means of a noninvasive, complication-free technology, we should abandon the old indications for CBD exploration and be more conservative regarding the diagnosis and management of this condition. In an era of minimally invasive surgery we are seeing a significant reduction in the number of patients with choledocholithiasis.

Cholangiography↗
PubMed1998

Options and strategies for the management of choledocholithiasis.

The introduction of laparoscopic techniques for the management of biliary stone disease has expanded the therapeutic choices for surgeons confronted with choledocholithiasis. As new strategies emerge, the treatment of cholelithiasis and choledocholithiasis remains controversial. This paper discusses the options available for the treatment of common bile duct stones. Diagnostic and therapeutic algorithms are proposed. The treatment of these patients must be individualized, taking into consideration the condition of the patient, associated diseases, secondary complications of the gallstones, and the surgical expertise and resources of the institution.

Acute Disease↗
PubMed2000

Clip migration causes choledocholithiasis after laparoscopic cholecystectomy.

The migration of surgical clips after laparoscopic procedures was first reported in 1992, but such instances are extremely rare. We herein demonstrate a case of a migrated metal clip, which had been applied originally to the cystic duct, but thereafter had moved to the common bile duct. This clip caused choledocholithiasis in a patient 1 year after a laparoscopic cholecystectomy. A 63-year-old man underwent a laparoscopic cholecystectomy. During the operation, the inflamed cystic duct was divided accidentally, and three clips were applied immediately. The patient complained of upper abdominal pain from postoperative day 8. Endoscopic retrograde cholangiography demonstrated bile leakage from the cystic duct, but showed no clips or choledochal stones. The patient complained of severe upper abdominal and back pain 1 year after the operation. Endoscopic retrograde cholangiography showed a metal clip in the common bile duct and choledochal stones above the clip. The clip and the cholesterol stones were removed using a basket catheter. Three clips applied to the cystic duct should have been removed because of the necrosis in the remaining cystic duct. Thereafter, the clip may have migrated through the stump of the cystic duct into the lower part of the common bile duct. This clip seems to have later caused choledocholithiasis resulting from stagnation of the bile flow. Bile leakage after an operation seems to increase the risk of clip migration. Regardless of the primary lesion, a careful follow-up evaluation is necessary for patients demonstrating complications.

Cholangiography↗
PubMed2005

Endoscopic Ultrasonograpy for Choledocholithiasis and Biliary Malignancy.

Endoscopic ultrasound (EUS) is a valuable tool in gastrointestinal endoscopy, with various applications such as diagnosis, staging, and evaluation of the pancreaticobiliary system. EUS has comparable sensitivity to magnetic resonance cholangiopancreatography and endoscopic retrograde cholangiopancreatography (ERCP) for detection of choledocholithiasis. EUS may be considered for evaluation for choledocholithiasis as prelude to ERCP when there is a low to intermediate suspicion for common bile duct stones or when there is an increased risk for complications from ERCP. Endosonography may also be useful in the evaluation of cholangiocarcinoma. Intraductal ultrasound within the bile duct may help differentiate malignant from benign strictures. EUS-guided fine needle aspiration can be helpful in the diagnosis of cholangiocarcinoma, especially in the region of the hilum.

Journal Article↗
PubMed2000

A history of the dissolution of retained choledocholithiasis.

BACKGROUND: Common duct calculi retained after gallbladder surgery continue to present a clinical challenge especially in the era of minimally invasive surgery. This review examines the strategy of dissolution therapy used throughout the history of biliary tract surgery and its use to the modern surgeon. DATA SOURCES: Original journal articles and reviews were identified using standard surgical textbooks and MEDLINE. Keywords for searching included choledocholithiasis, dissolution, mono-octanoin, common duct stones, MTBE, cholic acid, and gallstones. CONCLUSIONS: Dissolution therapy used initially as an alternative to open surgery is now used more effectively as an adjunct to laparoscopic or endoscopic biliary tract surgery. The current review demonstrates a majority of patients with retained choledocholithiasis respond to dissolution and can be safely managed without choledochotomy.

Administration, Topical↗
PubMed1993

Combined laparoscopic and endoscopic management of cholelithiasis and choledocholithiasis.

With the advent of laparoscopic cholecystectomy, optimal management of common duct stones remains controversial. Seven hundred six patients underwent laparoscopic cholecystectomy in our institution from January 1990 through January 1992. From this group of patients, 50 were identified as having clinical or radiographic evidence of common duct stones. Thirty-one patients demonstrated preoperative risk factors for common duct stones and underwent preoperative endoscopic retrograde cholangiopancreatography (ERCP). The risk factors included jaundice (19%), pancreatitis (23%), elevated liver function tests (52%), and ultrasound evidence of choledocholithiasis (6%). Preoperative ERCP was performed in 94% of patients. There were two failures due to periampullary diverticula. Common duct stones were identified in 18 patients (62%) and successfully removed by endoscopic sphincterotomy in all of these patients. Nineteen patients were found to have unsuspected common duct stones on intraoperative cholangiography. Eighteen patients (95%) underwent successful ERCP and endoscopic sphincterotomy with stone extraction. Overall, major morbidity was 2% and included one patient who experienced endoscopic sphincteroplasty. The three endoscopic failures were managed by open common duct exploration, laparoscopic duct exploration, and combined laparoscopic and open common duct exploration. We conclude that combined laparoscopic and endoscopic therapy is a viable option for the management of cholelithiasis with choledocholithiasis.

Cholangiopancreatography, Endoscopic Retrograde↗
PubMed1993

Role of open choledochotomy in the treatment of choledocholithiasis.

In recent years, several less invasive procedures have challenged the preeminence of open choledochotomy in the management of patients with choledocholithiasis. Alternatives now include endoscopic sphincterotomy, extracorporeal shock-wave lithotripsy, percutaneous transhepatic stone extraction, and laparoscopic common duct exploration. In deciding whether an alternative is appropriate for an individual patient, factors to consider include the following: (1) the presence or absence of the gallbladder; (2) the severity of the presenting symptoms; (3) the results of open choledochotomy; and (4) local endoscopic, radiologic, and laparoscopic expertise. Review of available data suggests that endoscopic sphincteroplasty is appropriate for older patients without a gallbladder and for those with severe toxic cholangitis. However, endoscopic sphincterotomy has not been proven to be worthwhile before open surgery. Open choledochotomy has been reported to have a mortality rate of less than 2%, leaving fewer than 5% of patients with retained stones. Since the introduction of laparoscopic cholecystectomy, treatment algorithms for patients with common duct stones have seldom included open choledochotomy. However, future prospective, randomized trials of the management of patients with choledocholithiasis should include open choledochotomy as the gold standard.

Common Bile Duct↗
PubMed1999

The efficacy of magnetic resonance cholangiography for the evaluation of patients with suspected choledocholithiasis before laparoscopic cholecystectomy.

BACKGROUND: Endoscopic retrograde cholangiography is the most commonly utilized tool for the identification of common bile duct stones (CBDS) before laparoscopic cholecystectomy, whereas the role of magnetic resonance cholangiography (MRC) for patient evaluation before laparoscopic cholecystectomy is currently undefined. METHODS: We prospectively evaluated the efficacy of MRC for the identification of CBDS among patients with high risk for choledocholithiasis. Patient selection was based on clinical, sonographic, and laboratory criteria. Standard cholangiograms were obtained when possible for verification of MRC results. RESULTS: Ninety-nine patients underwent evaluation with preoperative MRC. CBDS was visualized in 30% of patients. MRC sensitivity, specificity, positive predictive value, negative predictive value, and accuracy were 85%, 90%, 77%, 94%, and 89%, respectively. CONCLUSIONS: MRC is useful for the evaluation of patients with suspected choledocholithiasis. Advantages of MRC include its noninvasive nature, ease of application, and accuracy in identifying and estimating the size of CBDS. Application of MRC in this setting reduces the need for diagnostic endoscopic retrograde cholangiography. Future investigations should be directed at the development of cost-effective utilization strategies for MRC application.

Adult↗
PubMed1998

Role of endoscopic retrograde cholangiopancreatography for suspected choledocholithiasis in patients undergoing laparoscopic cholecystectomy.

BACKGROUND: We report our experience of selective cholangiography in a series of laparoscopic cholecystectomies and evaluate the strategy of using "stricter criteria" to select preoperative endoscopic retrograde cholangiopancreatography (ERCPs). METHODS: A total of 1847 consecutive laparoscopic cholecystectomies were analyzed for use of cholangiography. A high risk of common bile duct stones (bilirubin level more than 2 mg/dL, jaundice, alkaline phosphatase level more than 150 U/L, pancreatitis, or dilated bile duct and/or stone on ultrasound or CT) was an indication for preoperative ERCP. Selective intraoperative cholangiography was performed for intermediate risk of bile duct stones. The strategy of using "stricter criteria" (jaundice and/or demonstrated bile duct stones on ultrasound or CT) for selecting preoperative ERCP was evaluated retrospectively. RESULTS: Preoperative ERCP was performed in 135 patients (7.3%) and demonstrated bile duct stones in 43 (32%). Of 36 patients with mild gallstone pancreatitis alone, stones were found only in 6 patients (17%). Selective intraoperative cholangiography was performed in 87 (5%), and stones were found in 2 (2%); 67 (3.6%) postoperative ERCPs were performed for suspected choledocholithiasis, and stones were found in 21 (32%). Applying "stricter criteria" to select preoperative ERCP would predict ductal stones in 56%, whereas 3% of patients with stones would be missed, resulting in a 50% reduction in preoperative ERCPs. CONCLUSIONS: Even in selected patients considered likely to have choledocholithiasis, the diagnostic yield of preoperative ERCP is low. Using "stricter criteria" to select patients for preoperative ERCP can avoid unnecessary ERCPs.

Cholangiography↗
PubMed1999

Laparoscopic cholecystectomy and intraoperative endoscopic sphincterotomy in the treatment of cholecysto-choledocholithiasis.

BACKGROUND: A single-stage minimally invasive procedure would be optimal for management of cholecysto-choledocholithiasis. Two alternative strategies are available: management by laparoscopy alone or a combined laparoscopic-endoscopic approach. This study evaluates the results of the latter procedure. METHODS: From June 1993 to September 1997, 1400 patients with symptomatic biliary stone disease were evaluated for laparoscopic cholecystectomy. Intraoperative cholangiography was performed on the basis of a preoperative suspicion of bile duct stones; bile duct stone treatment was by intraoperative endoscopic retrograde sphincterotomy. RESULTS: Intraoperative cholangiography was performed because of a preoperative suspicion of a bile duct abnormality in 141 of 1400 patients (10%) undergoing laparoscopic cholecystectomy because of biliary stone disease. Of those 141 patients, 54 (38.3%) presented with pathologic findings (bile duct stone [52] and papillary stenosis [2]); all 54 underwent intraoperative endoscopic sphincterotomy. Complete clearance of the ductal stones was achieved in 43 patients (82.7%) by intraoperative sphincterotomy, and in 9 patients by an additional postoperative endoscopic procedure. Laparoscopic cholecystectomy was carried out in all cases. There were no conversions to an open operation. Postoperative course in the uncomplicated cases was comparable to that for laparoscopic cholecystectomy alone. The postoperative complication rate was 5.6% and mortality 1.8%. Mean hospital stay was 3.3 days (range 2 to 16). At a mean 38 months follow-up, no complications related to the laparoscopic-endoscopic procedure were observed. CONCLUSION: The intraoperative combined laparoscopic-endoscopic approach seems to be a feasible and effective management of cholecysto-choledocholithiasis, saving patients a subsequent invasive procedure.

Adolescent↗
PubMed1999

Diagnosis of choledocholithiasis: EUS or magnetic resonance cholangiography? A prospective controlled study.

BACKGROUND: Endoscopic ultrasonography (EUS) appears to be the best imaging method for the diagnosis of choledocholithiasis. The aim of this preliminary, prospective, controlled study was to assess the accuracy of EUS and magnetic resonance cholangiopancreatography (MRCP) in the diagnosis of common bile duct stones. METHODS: From December 1995 through April 1997, all patients referred because of suspicion of the presence of common bile duct stones were included in the study. EUS and MRCP were performed. Each examination was performed by a different operator unaware of the result of the other procedure. The definitive diagnosis was established by means of endoscopic retrograde cholangiography with sphincterotomy or a surgical procedure. RESULTS: Forty-three patients (18 men, 25 women) with a mean age of 60.9 +/- 14.5 years (range 25 to 81 years) were included in the study. Eleven patients were excluded because of unavailability of magnetic resonance imaging(n = 5) or EUS (n = 6). Ten patients (31.2%) had choledocholithiasis. For this diagnosis, the sensitivity of EUS was 100%, the specificity was 95.4%, the positive predictive value was 90.9%, and the negative predictive value was 100%. The corresponding values for MRCP were 100%, 72.7%, 62.5%, and 100%, not significantly different from EUS results. The accuracy of EUS was 96.9%, and that of MRCP was 82.2%. CONCLUSION: This preliminary study confirmed EUS as an accurate and noninvasive procedure for the diagnosis of common bile duct stones. MRCP, which had a high sensitivity and high negative predictive value, might be an accurate technique for patients with a contraindication to EUS.

Adult↗
PubMed1998

Endoscopic sphincterotomy and laparoscopic cholecystectomy in an infant with cholecysto-choledocholithiasis.

Laparoscopic cholecystectomy (LC) and endoscopic sphincterotomy (EST) are widely accepted procedures for cholecysto-choledocholithiasis in adults. However, their use in infants has not been reported. An 8-month-old girl presented with high fever and obstructive jaundice. Ultrasound scan showed acute cholecystitis with stones in the bile duct. After 2-week-long antibiotic therapy the acute cholecystitis and hepatic impairment resolved. An endoscopic retrograde cholangiopancreatography (ERCP) confirmed choledocholithiasis and cholecystolithiasis. Risk factors for the development of biliary calculi were not detected. One month after the restoration of her liver function, she underwent EST using a side-viewing endoscope with a small sphincterotome. A common bile duct stone was extracted using a basket catheter. LC was then carried out. The time interval between the EST and LC was 34 days. No complications have been noted for 6 months.

Cholangiopancreatography, Endoscopic Retrograde↗
PubMed1996

Choledocholithiasis in a premature neonate.

Choledocholithiasis in neonates and infants has been reported only rarely. Infants with complications of prematurity are more predisposed to development of biliary calculi. With the current widespread use of diagnostic ultrasonography, more neonates may be found to have gallstones and common bile duct stones. We describe a case of choledocholithiasis and cholelithiasis in a premature neonate successfully treated by surgical placement of a cholecystotomy tube and irrigation of the biliary system.

Cholecystostomy↗
PubMed1997

Gallbladder motility and lithogenicity of bile in patients with choledocholithiasis after endoscopic sphincterotomy.

BACKGROUND/AIMS: Ablation of the sphincter of Oddi has been shown to inhibit gallstone formation in the prairie dog model, probably by alleviating gallbladder bile stasis. The effect of endoscopic sphincterotomy (ES) on gallbladder emptying and lithogenicity of bile has not been studied adequately in humans. We, therefore, studied the changes in gallbladder emptying and lithogenicity of bile following ES in patients with choledocholithiasis and gallbladder in situ. METHODS: Thirteen patients with choledocholithiasis with intact gallbladder underwent ES and common bile duct clearance. Eight patients had concomitant gallstones. Gallbladder emptying was studied by real time ultrasonography after stimulation by ceruletid infusion. Fasting gallbladder bile was collected during endoscopic retrograde cholangiography by placing a 7F or 8F catheter in the common bile duct and after ceruletid stimulation of gallbladder for bile microscopy and cholesterol nucleation time determination. Gallbladder emptying, nucleation time and bile microscopy were performed before ES and again between 4 and 8 weeks after ES after cholangiographic confirmation of clearance of common bile duct stones. RESULTS: Fasting and residual gallbladder volumes decreased and ejection fraction increased significantly following ES, suggesting decreased stasis and improved emptying of gallbladder. Nucleation time was prolonged and cholesterol crystal index in bile decreased after ES, suggesting decreased lithogenicity. The decrease in gallbladder volumes and increase in ejection fraction after ES were observed in both groups of patients, with or without concomitant gallstones. CONCLUSIONS: ES decreases the stasis of gallbladder bile, improves gallbladder emptying and decreases the lithogenicity of bile in patients with gallstone disease as reflected by prolongation in nucleation time. ES may find a role as an adjunct to oral bile acid therapy and extracorporeal shock wave lithotripsy in addition to a prophylactic role of preventing gallstone formation in high risk groups.

Adult↗
PubMed1999

The role of endosonography in the diagnosis of choledocholithiasis.

Biliary endoscopic ultrasonography (EUS), even if complex and difficult to interpret, can depict with great accuracy the normal anatomy and abnormalities of this region. In case of choledocholithiasis, EUS has the unique ability to directly visualize the cause of biliary obstruction and to evaluate and integrate ductal abnormalities. For these tasks EUS is superior to conventional ultrasonography (US), computed tomography (CT) and also to new imaging techniques such as magnetic resonance cholangiography. The aim of this review is to provide an overview of the most significant EUS findings in choledocholithiasis together with the results of EUS in terms of diagnostic accuracy and cost-effectiveness. The role of EUS in the diagnosis of bile duct stones is therefore highlighted.

Endosonography↗