Targets for Current Pharmacologic Therapy in Cholesterol Gallstone Disease
Section snippets
Guidelines for management of gallstone disease
Gallbladder stones are frequently found in asymptomatic patients during routine abdominal ultrasonography, because in most cases (60%–80%) gallstones do not generate symptoms.43, 48, 49 Previous observations have shown that the average risk of developing symptomatic gallstones is 2.0% to 2.6% per year.45, 50 By contrast, the presence of microstones and sludge in the gallbladder is a major risk factor for the development of biliary pain and complicated gallstone disease, and also plays a main
Treatment of the Biliary Colic
The presence of a gallstone of any type and size may put the patient at risk of biliary pain. As the intensity of pain is usually high (mean visual analog scale of 9 cm on a 0- to 10-cm scale), patients require immediate medical attention and analgesia. The pain is not exclusively postprandial, and is typically intermittent. The most frequent localization is the right upper quadrant of the abdomen and/or the epigastrium (representative dermatomes T8/9), and the duration is generally longer than
Novel medical treatments
The presence of a lithogenic bile is primarily a result of a sustained hypersecretion of biliary cholesterol, which has 2 key components: hepatic and intestinal.31 In principle, drugs influencing hepatic synthesis and/or secretion of cholesterol (ie, statins) and/or intestinal absorption of cholesterol (ie, EZT) are potentially able to influence the formation of cholesterol gallstones and to promote dissolution of gallstones.
Summary
The advent of laparoscopic cholecystectomy has moved the interest away from the pharmacologic treatment of gallstones. Medical therapy is restricted to a scant group of symptomatic (colicky pain) well-selected patients, in which the unfavorable cost-benefit analyses and a high rate of gallstone recurrence play a negative role. Following early cholelitholytic therapies with the oral bile acid UDCA, recent studies indicate that the research agenda should include studies on the role of gallstone (
Acknowledgments
The authors are grateful to Paola De Benedictis, Rosa De Venuto, and Michele Persichella for their skillful technical assistance.
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Cited by (0)
This work was supported in part by research grants from the Italian Ministry of University and Research (FIRB 2003 RBAU01RANB002), the Italian National Research Council (CNR) (short-term mobility grant 2005), the University of Bari (grants ORBA09XZZT, ORBA08YHKX) (PP), and from the National Institutes of Health (US Public Health Service) (research grants DK54012 and DK73917) (DQ-HW).