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Monitor Type 2 diabetics for liver disease, say scientists, as study warns about late diagnoses



PATIENTS living with Type 2 diabetes are at higher risk of developing potentially deadly liver cirrhosis or liver cancer but are often being diagnosed late, according to a study of 18 million people across Europe.

Researchers from Glasgow and London have today recommended that these diabetics should be monitored closely to prevent life-threatening disease progression.

Read more: Diabetes patients at risk of death from alcohol, accidents and suicide, finds study

Non-alcoholic fatty liver disease (NAFLD) affects up to a quarter of people in the West and is the most common cause of liver disease around the world.

It is closely associated with obesity and type 2 diabetes and its rise to social problems of poor diet and sedentary lifestyles.

However, GPs are often unaware of the condition and patients often go undiagnosed.

For the majority, NAFLD is a benign condition, but one in six people will go on to develop the aggressive form of disease, called non-alcoholic steatohepatitis (NASH), leading to liver injury, scarring and eventually in some cases. , liver failure and even liver cancer.

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By identifying which patients might go to develop the more aggressive disease, scientists said interventions and treatments could be targeted to those at greatest need.

The largest study of his child, published in the journal BMC Medicine, teams from Glasgow University and Queen Mary University of London combined the healthcare records of 18 million European adults from the UK, Netherlands, Italy and Spain.

They matched each age patient to 100 patients who did not have a recorded diagnosis, and looked to see who developed liver cirrhosis and liver cancer over time.

Read more: Surge in heart attacks and strokes predicted as Type 2 diabetes incidence soars

Lead researcher Dr William Alazawi from Queen Mary University of London said: Non-alcoholic fatty liver was much less than expected, meaning that many patients are actually in primary care.

"Just about the short time frame of the study, some patients progressed to more advanced, life threatening stages of disease, suggesting that they are being diagnosed very late.

"The public, doctors and policy makers need to be aware of this disease and strategies need to be put in place to tackle the root causes and avoid progression to life-threatening stages.

"People living with diabetes are at increased risk of more advanced, life threatening stages of disease, suggesting that we should focus our efforts in educating and preventing liver disease in diabetes patients."

Professor Naveed Sattar, an expert in cardiovascular and medical sciences at Glasgow University, said: "Doctors treating patients with diabetes already have a lot to check on – eyes, kidneys, heart risks – but these results remind us that we should not neglect the liver, nor forget to consider the possibility of NASH.

"They also remind us that perhaps more efforts are needed to help our patients with diabetes lose weight and cut alcohol."

More than 136,000 patients were identified with NAFLD / NASH and were more likely to have type 2 diabetes, hypertension and obesity than matched controls.

The strongest association was observed in NAFLD / NASH patients who had a diagnosis or type 2 diabetes – they were more than twice as likely to develop aggressive liver disease. This suggests that diabetes could be a good predictor of liver disease progression.

Looking at particular types of advanced liver disease, NAFLD / NASH patients were almost five times more likely to be diagnosed with cirrhosis and more than three and a half times more likely to be diagnosed with liver cancer.

The study also found patients in Europe to be diagnosed at the later stages of disease, which are associated with greater risk of liver-related mortality.

The results also suggest that primary care records under-estimate disease severity and that some patients with NAFLD diagnoses actually have advanced cirrhosis already.


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