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Diabetes in chronic liver disease

27 Feb, 13 | by pratapjethwani

Researchers in Vienna have made a breakthrough with synthetic bile acids in the treatment of primary sclerosing cholangitis. These compounds could feasibly be of use in fatty liver and diabetes – but would require further study.

“Bile acids are not only involved in the secretion of bile fluids and fat digestion, but also have hormone-like effects, particularly on the regulation of fat and glucose metabolism in the liver. Researchers at the MedUni Vienna are currently also investigating what role these effects of Nor-Urso [norursodeoxycholic acid] and other bile acid derivatives play in the treatment of fatty liver, diabetes, fat metabolism problems and arteriosclerosis and how they could replace current conventional treatment methods and drugs.” http://www.meduniwien.ac.at/homepage/news-and-topstories/en/?tx_ttnews[tt_news]=3258&cHash=35e4b2cd38

This news is interesting and it reminds us of the strong link between diabetes and the liver. What is this relationship and what are the implications for clinical practice?

The liver plays an important role in the regulation of glucose homeostasis. This helps explain why glucose intolerance is a feature or complication of chronic liver disease and cirrhosis.

Liver disease associated with diabetes mellitus can be divided into three groups as shown below [1]:

1. Liver disease occurring as a consequence of diabetes mellitus
• Glycogen deposition
• Steatosis and nonalcoholic steatohepatitis (NASH)
• Fibrosis and cirrhosis
• Biliary disease, cholelithiasis, cholecystitis
• Complications of therapy of diabetes (cholestatic and necroinflammatory)

2 . Diabetes mellitus and abnormalities of glucose homeostasis occurring as a complication of liver disease
• Hepatitis
• Cirrhosis
• Hepatocellular carcinoma
• Fulminant hepatic failure
• Postorthotopic liver transplantation

3 . Liver disease occurring coincidentally with diabetes mellitus and abnormalities of glucose homeostasis
• Hemochromatosis
• Glycogen storage diseases
• Autoimmunebiliary disease

Hickman et al. have used the term “hepatogenous diabetes” to describe the association between cirrhosis and impaired glucose metabolism [2]. Up to 96% of patients with cirrhosis have diabetes or glucose intolerance in one report – and this diabetes is different from type 2 diabetes because it occurs in the absence of standard risk factors of type 2 diabetes such as age, body mass index and family history of diabetes [2,3]. This is the reason for the need for new terminology for form of diabetes. In one study, prevalence of diabetes was much higher in Hepatitis C virus-related cirrhosis and alcoholic liver disease, but not in cholestatic liver disease suggesting the important role of underlying cause in the development of diabetes in these patients [4].

Exact mechanisms of development of diabetes in cirrhosis are still unclear but porto-systemic shunting of insulin resulting in systemic hyperinsulinemia with subsequent down regulation of insulin receptors causing insulin resistance. Chronic inflammation also plays a role in development of insulin resistance [2].

Chronic hepatitis C virus infection (HCV) is associated with an increased risk of type 2 diabetes, risk being 3 fold higher in patients above 40 years of age in NHANES [1]. There is conflicting evidence of increased risk of type 2 diabetes in patients with chronic hepatitis B infection (HBV). Grimbert et al. had shown that type 2 diabetes development was 2.7 times more common in patients with HCV as compared to patients with HBV and alcoholic liver disease [1,5]. There may be a direct causative role of HCV in glucose intolerance and proposed mechanisms are direct interference with insulin signaling by some genotypes like type 1 and direct or autoimmune damage to beta cells by the virus [1]. Also antiviral therapy such as pegylated interferon alpha used in treatment of chronic hepatitis may predispose to the development of hyperglycemia and type 1 diabetes [6].

This raises some important questions:

Would you screen every patient with cirrhosis for glucose intolerance and by which method?

Does management of diabetes in patients with chronic liver disease or cirrhosis have any impact on survival or the course of cirrhosis?

Management of hyperglycemia in people with cirrhosis is also challenging because many oral drugs are contraindicated in such patients and insulin will be associated with higher risk of hypoglycemia [6]. Similarly monitoring by glycated hemoglobin HbA1c will not be reliable in these patients and much emphasis will be laid on self monitoring of blood glucose in patients with cirrhosis and chronic liver disease [7].

 

1. Levinthal GN, Tavill AS. Liver Disease and Diabetes Mellitus. Clinical Diabetes 1999, 17(2), accessed online on 27/02/2013.
2. Hickman IJ, Macdonald GA. Impact of Diabetes on the Severity of Liver Disease. The American Journal of Medicine, 2007;120 :829-834.
3. Holstein A, Hinze S, Thiessen E, Plaschke A, Egberts EH. Clinical implications of hepatogenous diabetes in liver cirrhosis. J Gastroenterol Hepatol. 2002;17:677-681.
4. Zein NN, Abdulkarim AS, Wiesner RH, Egan KS, Persing DH. Prevalence of diabetes mellitus in patients with end-stage liver cirrhosis due to hepatitis C, alcohol, or cholestatic disease. J Hepatol. 2000;32:209-217.
5. Grimbert S, Valensi P, Lévy-Marchal C, Perret G, Richardet JP, Raffoux C, Trinchet JC, Beaugrand M. High prevalence of diabetes mellitus in patients with chronic hepatitic C: a case-control study. Gastroenterol Clin Biol 1996;20:544-48.
6. Khan R, Foster GR, Chowdhury TA. Managing Diabetes in Patients with Chronic Liver Disease. Postgraduate Medicine 2012;124(4):130-137.
7. Blendea MC, Thompson MJ, Malkani S. Diabetes and chronic liver disease: Etiology and Pitfalls in monitoring. Clinical Diabetes, 2010;28(4):139-144.

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  • Christos Kazazis

    Thank you for this informative review. It seems that at least as far as NAFLD is concerned exercise and weight loss remain important but the type of diet is equally critical. Atkins-like diets seem to be harmful in that respect so careful selection of foods should be encouraged (1). Unfortunately I am not able to have access to the full text but there is an interesting point that ”diets rich in fatty acids, particularly saturated…” are harmful which made me wonder if the authors would include diets rich in unsaturated fats too…Can anyone access the full text so we could clarify this point?

    Reference

    1. Asrih M et al. Diets and nonalcoholic fatty liver disease: The good and the bad.Clin Nutr 2013 Nov 8 (abstract).

  • Thanks a lot for this very helpful topic. This post was a very rare one. I haven’t read any review like this. Diabetes together with liver cirrhosis review this is one of a kind blog topic. Indeed this is very helpful for many readers like me. Keep posting topics like this.

  • Jaya Bhatia

    Liver Cirrhosis is 100% curable disease through Homeopathy. for more info please visit https://sites.google.com/site/livercancerdoctor/

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      The web site listed gives no real information (other than a “trust me” attitude) so is not worth the space it takes up.

    • Araceli Avila

      That is not true my dad has Cirrhosis the liver is is so badly damaged it cannot repair it’s self.

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