Calcium content of different compositions of gallstones and pathogenesis of calcium carbonate gallstones
Background/Objectives: Our aim was to investigate the calcium content of different gallstone compositions and the pathogenic mechanisms of calcium carbonate gallstones. Methods: Between August 2001 and July 2007, gallstones from 481 patients, including 68 calcium carbonate gallstones, were analyzed...
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doaj-6e9cb417ee2d429db3f28ef9cff7e6a12020-11-24T21:04:31ZengElsevierAsian Journal of Surgery1015-95842013-01-01361263510.1016/j.asjsur.2012.06.001Calcium content of different compositions of gallstones and pathogenesis of calcium carbonate gallstonesJi-Kuen Yu0Huichin Pan1Shing-Moo Huang2Nan-Lan Huang3Chung-Chin Yao4Kuang-Ming Hsiao5Chew-Wun Wu6Division of General Surgery, Department of Surgery, Taichung Metroharbor Tung's Memorial Hospital, Wuchi Town, Taichung County, Taiwan, ROCDepartment and Institute of Biomedical Sciences, Chung Shan Medical University, Taichung, Taiwan, ROCInstitute and School of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROCInstitute of Pharmacology, College of Medicine, National Taiwan University, Taipei, Taiwan, ROCInstitute and School of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROCDepartment of Life Science, National Chung Cheng University, Minsyong Township, Chayi County, Taiwan, ROCDivision of General Surgery, Department of Surgery, Veterans General Hospital – Taipei, Taipei, Taiwan, ROCBackground/Objectives: Our aim was to investigate the calcium content of different gallstone compositions and the pathogenic mechanisms of calcium carbonate gallstones. Methods: Between August 2001 and July 2007, gallstones from 481 patients, including 68 calcium carbonate gallstones, were analyzed for total calcium content. Gallbladder bile samples from 33 cases and six controls were analyzed for pH, carbonate anion level, free-ionized calcium concentration and saturation index for calcium carbonate. Results: Total calcium content averaged 75.6 %, 11.8 %, and 4.2 % for calcium carbonate, calcium bilirubinate and cholesterol gallstones. In 29.4 % of patients, chronic and/or intermittent cystic duct obstructions were caused by polypoid lesions in the neck region and 70.6 % were caused by stones. A total of 82 % of patients had chronic low-grade inflammation of the gallbladder wall and 18.0 % had acute inflammatory exacerbations. In the bile, we found the mean pH, mean carbonate anion, free-ionized calcium concentrations, and mean saturation index for calcium carbonate to be elevated in comparison to controls. Conclusion: From our study, we found chronic and/or intermittent cystic duct obstructions and low-grade GB wall inflammation lead to GB epithelium hydrogen secretion dysfunction. Increased calcium ion efflux into the GB lumen combined with increased carbonate anion presence increases SI_CaCO3 from 1 to 22.4. Thus, in an alkaline milieu with pH 7.8, calcium carbonate begins to aggregate and precipitate.http://www.sciencedirect.com/science/article/pii/S1015958412000528calcium carbonate gallstonescalcium content of gallstonespathogenesis |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ji-Kuen Yu Huichin Pan Shing-Moo Huang Nan-Lan Huang Chung-Chin Yao Kuang-Ming Hsiao Chew-Wun Wu |
spellingShingle |
Ji-Kuen Yu Huichin Pan Shing-Moo Huang Nan-Lan Huang Chung-Chin Yao Kuang-Ming Hsiao Chew-Wun Wu Calcium content of different compositions of gallstones and pathogenesis of calcium carbonate gallstones Asian Journal of Surgery calcium carbonate gallstones calcium content of gallstones pathogenesis |
author_facet |
Ji-Kuen Yu Huichin Pan Shing-Moo Huang Nan-Lan Huang Chung-Chin Yao Kuang-Ming Hsiao Chew-Wun Wu |
author_sort |
Ji-Kuen Yu |
title |
Calcium content of different compositions of gallstones and pathogenesis of calcium carbonate gallstones |
title_short |
Calcium content of different compositions of gallstones and pathogenesis of calcium carbonate gallstones |
title_full |
Calcium content of different compositions of gallstones and pathogenesis of calcium carbonate gallstones |
title_fullStr |
Calcium content of different compositions of gallstones and pathogenesis of calcium carbonate gallstones |
title_full_unstemmed |
Calcium content of different compositions of gallstones and pathogenesis of calcium carbonate gallstones |
title_sort |
calcium content of different compositions of gallstones and pathogenesis of calcium carbonate gallstones |
publisher |
Elsevier |
series |
Asian Journal of Surgery |
issn |
1015-9584 |
publishDate |
2013-01-01 |
description |
Background/Objectives: Our aim was to investigate the calcium content of different gallstone compositions and the pathogenic mechanisms of calcium carbonate gallstones.
Methods: Between August 2001 and July 2007, gallstones from 481 patients, including 68 calcium carbonate gallstones, were analyzed for total calcium content. Gallbladder bile samples from 33 cases and six controls were analyzed for pH, carbonate anion level, free-ionized calcium concentration and saturation index for calcium carbonate.
Results: Total calcium content averaged 75.6 %, 11.8 %, and 4.2 % for calcium carbonate, calcium bilirubinate and cholesterol gallstones. In 29.4 % of patients, chronic and/or intermittent cystic duct obstructions were caused by polypoid lesions in the neck region and 70.6 % were caused by stones. A total of 82 % of patients had chronic low-grade inflammation of the gallbladder wall and 18.0 % had acute inflammatory exacerbations. In the bile, we found the mean pH, mean carbonate anion, free-ionized calcium concentrations, and mean saturation index for calcium carbonate to be elevated in comparison to controls.
Conclusion: From our study, we found chronic and/or intermittent cystic duct obstructions and low-grade GB wall inflammation lead to GB epithelium hydrogen secretion dysfunction. Increased calcium ion efflux into the GB lumen combined with increased carbonate anion presence increases SI_CaCO3 from 1 to 22.4. Thus, in an alkaline milieu with pH 7.8, calcium carbonate begins to aggregate and precipitate. |
topic |
calcium carbonate gallstones calcium content of gallstones pathogenesis |
url |
http://www.sciencedirect.com/science/article/pii/S1015958412000528 |
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