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Results for “CHOLELITHIASIS”

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At least 1,027 records · Page 57Linked to original sources
PubMed2001

Phenotypic characterization of Lith genes that determine susceptibility to cholesterol cholelithiasis in inbred mice: soluble pronucleating proteins in gallbladder and hepatic biles.

BACKGROUND/AIMS: Gallstone susceptibility is high in C57L inbred mice (males > females) and low in AKR mice, related to variant lithogenic (Lith) genes. We examined the relationship between biliary crystallization-promoting proteins and gallstone susceptibility. METHODS: Biliary protein and lipid concentrations were determined at 0, 7,14, 21, 28 and 56 days on a lithogenic diet. RESULTS: Protein and soluble mucin concentrations in gallbladder biles increased markedly in males, but remained low in females of both strains and correlated with the cholesterol saturation index (CSI). In all groups, IgA and IgM concentrations decreased initially, but increased at later stages. There were no consistent changes in IgG concentrations, but aminopeptidase-N levels were higher in AKR than in C57L. During the lithogenic diet period, the CSI was > or = 2 in C57L males, approximately 1.5 in AKR males, and 1 in females of both strains. Taurodeoxycholate and taurochenodeoxycholate rose sharply in C57L, but remained low in AKR. CONCLUSIONS: Hydrophobic bile salts, cholesterol supersaturation, and possibly, high mucin concentrations are associated with gallstone formation. In vitro crystallization-promoting immunoglobulins and aminopeptidase-N do not appear to be major factors in murine gallstone pathogenesis, in line with the observation that genes encoding these proteins do not co-localize with any known Lith locus.

Animals↗
PubMedDate not supplied

A simple scoring system for predicting bile duct stones in patients with cholelithiasis.

A means of accurately predicting the presence of stones in the bile duct in patients undergoing laparoscopic cholecystectomy for gallbladder stones is lacking. With the use of a three-stage analysis, a predictive score was developed from seven common parameters. Initially the score was formulated by using data from a retrospective series of patients undergoing laparoscopic cholecystectomy; the system was then tested prospectively over a 1-year period in patients undergoing laparoscopic cholecystectomy for gallbladder stones. This simple scoring system demonstrated an ability to predict bile duct stones with a sensitivity in excess of 70%. The use of such a score may allow the development of preoperative strategies for treating patients undergoing laparoscopic cholecystectomy.

Bile Duct Diseases↗
PubMed1990

Nonsurgical treatment of cholelithiasis. An analysis of clinical opportunity.

This article examines the potential impact of recently developed nonsurgical treatments for gallstones on patient care and resource utilization. Using epidemiological and efficacy data from the literature and current patient selection criteria, the authors evaluate UDCA, extracorporeal shock-wave lithotripsy, and direct instillation of methyltertbutyl ether in terms of short-term clinical results, health policy, and economic implications.

Algorithms↗
PubMed1992

Treatment of symptomatic cholelithiasis in France. A decision analysis comparing cholecystectomy and biliary lithotripsy.

To determine the potential role of extracorporeal shock wave lithotripsy (ESWL) in the treatment of symptomatic gallstone patients in France, a simulation model evaluated the health and economic effects of three different treatment strategies. Decision analysis of conventional cholecystectomy alone and either of two strategies using a combination of biliary lithotripsy and conventional cholecystectomy reveals that a strategy employing biliary ESWL results in a significant number of successfully treated patients, thus avoiding the risks and costs of abdominal surgery. Moreover, cost analysis shows that expanding the use of lithotripsy to all patients for whom the procedure is indicated increases the average cost per successfully treated patient, but, more importantly, decreases the overall costs incurred by the cohort. From a societal viewpoint, a policy using biliary ESWL in appropriate patients is superior to one of cholecystectomy alone, from both clinical and economic perspectives.

Adolescent↗