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Xue-Qiao Zhao, Binh An P Phan, Joseph Davis, Daniel Isquith, Alice A Dowdy, Suzanne Boltz, Moni Neradilek, Erik A Monick, Andrew Brockenbrough, Ellen E Hus-Frechette, John J Albers, B Greg Brown
BACKGROUND: Cardiovascular disease (CVD) begins early in life and is associated with both the number of risk factors present and length of exposure to these risk factors including hyperlipidemia. OBJECTIVES: The clinical benefit of intensive lipid therapy over 25 years was investigated in the Familial Atherosclerosis Treatment Study-Observational Study. METHODS: Of 175 coronary artery disease subjects with mean low-density lipoprotein cholesterol (LDL-C) of 191 mg/dL and mean age of 50 years, who completed the randomized and placebo-controlled Familial Atherosclerosis Treatment Study, 100 chose receiving lipid management by their physicians (usual care [UC]) and 75 elected to receive an intensive treatment [IT] for lipid management with lovastatin (40 mg/d), niacin (2...
September 2016: Journal of Clinical Lipidology
Simeng Lin, David S Sanders, Joseph T Gleeson, Christopher Osborne, Louise Messham, Matthew Kurien
OBJECTIVE: Bile-acid diarrhoea (BAD) is a recognized cause of chronic diarrhoea; however, its detection remains suboptimal. Currently, there is a paucity of follow-up studies evaluating BAD. This work evaluates the natural history of BAD by examining individuals diagnosed with BAD [7 days of Se-homocholic acid taurine (SeHCAT) retention<10%] and determining the use of and response to bile-acid sequestrants (BAS). MATERIALS AND METHODS: Of the 515 patients, 40% (207/515) who underwent an SeHCAT test at Sheffield Teaching Hospitals (2001-2012) for chronic diarrhoea had BAD...
February 2016: European Journal of Gastroenterology & Hepatology
Karen R Sando, Michelle Knight
PURPOSE: Cardiovascular disease (CVD) is the leading cause of morbidity and mortality in the United States. Recently published cholesterol treatment guidelines emphasize the use of statins as the preferred treatment strategy for both primary and secondary prevention of CVD. However, the optimal treatment strategy for patients who cannot tolerate statin therapy or those who need additional lipid-lowering therapy is unclear in light of recent evidence that demonstrates a lack of improved cardiovascular outcomes with combination therapy...
October 1, 2015: Clinical Therapeutics
Ramona Dadu, Mimi I Hu, Charles Cleeland, Naifa L Busaidy, Mouhammed Habra, Steven G Waguespack, Steven I Sherman, Anita Ying, Patricia Fox, Maria E Cabanillas
INTRODUCTION: Medullary thyroid cancer (MTC)-related diarrhea can be debilitating, reduces quality of life (QOL), and may be the only indication for initiating systemic therapy. Conventional antidiarrheal drugs are not always helpful and may have side effects. Calcium aluminosilicate antidiarrheal (CASAD), a natural calcium montmorrilonite clay, safely adsorbs toxins and inflammatory proteins associated with diarrhea. It was hypothesized that CASAD would reduce the severity of diarrhea and improve QOL in MTC patients...
October 2015: Thyroid: Official Journal of the American Thyroid Association
Michael Camilleri
Bile acid diarrhea (BAD) is usually seen in patients with ileal Crohn's disease or ileal resection. However, 25% to 50% of patients with functional diarrhea or diarrhea-predominant irritable bowel syndrome (IBS-D) also have evidence of BAD. It is estimated that 1% of the population may have BAD. The causes of BAD include a deficiency in fibroblast growth factor 19 (FGF-19), a hormone produced in enterocytes that regulates hepatic bile acid (BA) synthesis. Other potential causes include genetic variations that affect the proteins involved in BA enterohepatic circulation and synthesis or in the TGR5 receptor that mediates the actions of BA in colonic secretion and motility...
May 23, 2015: Gut and Liver
Linda C Hemphill
No abstract text is available yet for this article.
January 2015: Journal of Clinical Lipidology
Ryan M McCoy, Andrew Klick, Steven Hill, Ryan B Dull
OBJECTIVE: To systematically search the literature for trials evaluating luminal toxin-binding agents (LTBAs) for Clostridium difficile infection (CDI). METHODS: A systematic search was conducted utilizing PubMed and International Pharmaceutical Abstracts with the following terms: anion-exchange resins, C difficile, cholestyramine, tolevamer, and colestipol. Articles were included if published in the English language and reported clinical outcomes of more than 5 adult humans with CDI treated with LTBAs...
August 2016: Journal of Pharmacy Practice
Christopher J Hood, Martin J Wolley, Angela L Kam, Jamie C Kendrik-Jones, Mark R Marshall
BACKGROUND: Currently available calcium- and aluminium-based phosphate binders are dose limited because of potential toxicity, and newer proprietary phosphate binders are expensive. We examined phosphate-binding effects of the bile acid sequestrant colestipol, a non-proprietary drug that is in the same class as sevelamer. METHODS: The trial was an 8 week prospective feasibility study in stable hemodialysis patients using colestipol as the only phosphate binder, preceded and followed by a washout phase of all other phosphate binders...
April 2015: Nephrology
Binh An P Phan, Andrew B Moore, Joseph Davis, Laura J Pollan, Blazej Neradilek, B Greg Brown, Xue-Qiao Zhao
BACKGROUND: Studies have documented the short-term vascular benefits of combination lipid therapy. OBJECTIVE: Our objective was to evaluate the long-term effects of combination lipid therapy on carotid intima-media thickness (CIMT) in patients with coronary artery disease. METHODS: We performed a case-control study in patients who had finished the Familial Atherosclerosis Treatment Study (FATS) and returned to usual care with statin therapy alone or had elected to participate in the 20-year FATS-Observational Study (FATS-OS) and received combination therapy with lovastatin (40 mg/day), niacin (2-3 g/day), and colestipol (20 gm/day) for 11 years, then continued with simvastatin (10-80 mg/day) or lovastatin (40-80 mg/day) plus niacin (2-4 g/day)...
September 2014: Journal of Clinical Lipidology
TinaMarie Lieu, Gihan Jayaweera, Peishen Zhao, Daniel P Poole, Dane Jensen, Megan Grace, Peter McIntyre, Romke Bron, Yvette M Wilson, Matteus Krappitz, Silke Haerteis, Christoph Korbmacher, Martin S Steinhoff, Romina Nassini, Serena Materazzi, Pierangelo Geppetti, Carlos U Corvera, Nigel W Bunnett
BACKGROUND & AIMS: Patients with cholestatic disease have increased systemic concentrations of bile acids (BAs) and profound pruritus. The G-protein-coupled BA receptor 1 TGR5 (encoded by GPBAR1) is expressed by primary sensory neurons; its activation induces neuronal hyperexcitability and scratching by unknown mechanisms. We investigated whether the transient receptor potential ankyrin 1 (TRPA1) is involved in BA-evoked, TGR5-dependent pruritus in mice. METHODS: Co-expression of TGR5 and TRPA1 in cutaneous afferent neurons isolated from mice was analyzed by immunofluorescence, in situ hybridization, and single-cell polymerase chain reaction...
December 2014: Gastroenterology
Alpo Vuorio, Jaana Kuoppala, Petri T Kovanen, Steve E Humphries, Serena Tonstad, Albert Wiegman, Euridiki Drogari
BACKGROUND: Familial hypercholesterolemia is one of the most common inherited metabolic diseases; the average worldwide prevalence of heterozygous familial hypercholesterolemia is at least 1 in 500. Diagnosis of familial hypercholesterolemia in children is based on highly elevated low-density lipoprotein (LDL) cholesterol level or DNA-based analysis, or both. Coronary atherosclerosis has been detected in men with heterozygous familial hypercholesterolemia as young as 17 years old and in women with heterozygous familial hypercholesterolemia at 25 years old...
2014: Cochrane Database of Systematic Reviews
Michael A Arnold, Benjamin J Swanson, Clinton D Crowder, Wendy L Frankel, Dora Lam-Himlin, Aatur D Singhi, Peter P Stanich, Christina A Arnold
We report the morphologic description of the bile acid sequestrants (BAS) colesevelam and colestipol, as well as the largest series of cholestyramine. Histologically similar medication resins from 4 institutions were prospectively collected over 1 year (26 specimens, 15 patients). Comorbidities included hyperlipidemia (4/15), hypertension (4/15), inflammatory bowel disease (4/15), coronary artery disease (3/15), diarrhea (7/15), hypothyroidism (2/15), and ischemic bowel (1/15). Sites of involvement included the esophagus (1/26), stomach (1/26), small intestine (1/26), ileocecal valve (1/26), and colorectum (22/26)...
November 2014: American Journal of Surgical Pathology
Antal Bajor, Hans Törnblom, Mats Rudling, Kjell-Arne Ung, Magnus Simrén
OBJECTIVE: Bile acids may play a role in the pathogenesis of IBS. We investigated the potential effects of bile acids entering the colon and its role in the symptom pattern in IBS. DESIGN: We measured 75Se-labelled homocholic acid-taurine (75SeHCAT) retention, and serum levels of 7α-hydroxy-4-cholesten-3-one (C4) and fibroblast growth factor (FGF) 19 in patients with IBS (n=141) and control subjects (75SeHCAT n=29; C4 and FGF19 n=435). In patients with IBS stool frequency and form, as well as GI symptom severity were registered, and in a proportion of patients colonic transit time and rectal sensitivity were measured (n=66)...
January 2015: Gut
C Wilcox, J Turner, J Green
BACKGROUND: Bile acid malabsorption (BAM) is a common, yet under-recognised, cause of chronic diarrhoea, with limited guidance available on the appropriate management of patients with BAM. AIM: To summarise the evidence supporting different treatments available for patients with bile acid malabsorption, noting their impact on clinical outcomes, tolerability and associated side effects. METHODS: A literature search was conducted through PubMed, the Cochrane Database of Systematic Reviews and Scopus...
May 2014: Alimentary Pharmacology & Therapeutics
Alan N Barkun, Jonathan Love, Michael Gould, Henryk Pluta, Hillary Steinhart
BACKGROUND: Bile acid malabsorption (BAM) is a common but frequently under-recognized cause of chronic diarrhea, with an estimated prevalence of 4% to 5%. METHODS: The published literature for the period 1965 to 2012 was examined for articles regarding the pathophysiology and treatment of BAM to provide an overview of the management of BAM in gastroenterology practice. RESULTS: BAM is classified as type 1 (secondary to ileal dysfunction), type 2 (idiopathic) or type 3 (secondary to gastrointestinal disorders not associated with ileal dysfunction)...
November 2013: Canadian Journal of Gastroenterology, Journal Canadien de Gastroenterologie
V S Silva, L Oliveira, P P Gonçalves
The ability of aluminium to inhibit the (Na(+)/K(+))ATPase activity has been observed by several authors. During chronic dietary exposure to AlCl3, brain (Na(+)/K(+))ATPase activity drops, even if no alterations of catalytic subunit protein expression and of energy charge potential are observed. The aluminium effect on (Na(+)/K(+))ATPase activity seems to implicate the reduction of interacting protomers within the oligomeric ensemble of the membrane-bound (Na(+)/K(+))ATPase. The activity of (Na(+)/K(+))ATPase is altered by the microviscosity of lipid environment...
November 2013: Journal of Inorganic Biochemistry
Roxana Onut, Assoc Prof Serban Balanescu, Dana Constantinescu, Lucian Calmac, Mugur Marinescu, Prof Maria Dorobantu
Carotid intima-media thickness (CIMT) can be reliably determined in vivo by carotidian ultrasound and is an accessible and reliable method to assess subclinical atherosclerosis. Available epidemiological data showed that CIMT is significantly correlated with future cardiovascular events. However it has limited value to help risk stratification on top of standard risk-derived functions such as Framingham risk score. It is particularly useful in individuals classified as being at intermediate or high risk by the presence of multiple conventional risk factors...
June 2012: Mædica
Morten Hansen, David Peick Sonne, Kristian Hallundbæk Mikkelsen, Lise Lotte Gluud, Tina Vilsbøll, Filip Krag Knop
INTRODUCTION: In addition to the lipid-lowering effect of bile acid sequestrants (BASs), they also lower blood glucose and, therefore, could be beneficial in the treatment of patients with type 2 diabetes mellitus (T2DM). Three oral BASs are approved by the US Food and Drug Administration (FDA) for the treatment of hypercholesterolaemia: colestipol, cholestyramine and colesevelam. The BAS colestimide/colestilan is used in Japan. Colesevelam was recently approved by the FDA for the treatment of T2DM...
2012: BMJ Open
Tabitha Danley, Leilani St Anna
A trial of a bile acid binder such as cholestyramine or colestipol may benefit patients with postcholecystectomy diarrhea.
October 2011: Journal of Family Practice
David R Lichtenstein
Several hepatobiliary abnormalities have been described in association with inflammatory bowel disease (IBD), including primary sclerosing cholangitis (PSC), small duct PSC, chronic hepatitis, cryptogenic cirrhosis, cholangiocarcinoma, and cholelithiasis. PSC is the most common biliary condition in patients with IBD, with an incidence ranging from 2.5% to 7.5%. PSC usually progresses insidiously and eventually leads to cirrhosis independent of inflammatory bowel disease activity. There is a very high incidence of cholangiocarcinoma and an elevated risk for developing colon cancer in patients with PSC...
October 2011: Current Gastroenterology Reports
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