Metabolic Syndrome & Fatty Liver

Metabolic syndrome is the name for a group of findings that keep turning up together: central obesity, insulin resistance with raised blood sugar, raised triglycerides, low HDL cholesterol and raised blood pressure. Each on its own may look trivial enough to ignore. Together they multiply the risk of type 2 diabetes and cardiovascular disease, and they are the reason a routine health check is worth acting on rather than filing.

Fatty liver is the part most often dismissed

Metabolic dysfunction-associated fatty liver disease — the term that has replaced NAFLD — is extremely common in India and is usually found by accident on an ultrasound done for something else. Being told "mild fatty liver, nothing to worry about" is the standard experience, and it is only half right.

For most people the liver itself will never cause trouble. For a minority, inflammation progresses quietly over years to fibrosis and eventually cirrhosis, with no symptoms along the way. The whole point of assessment is to separate the two groups, which is done with liver enzymes, a fibrosis score calculated from routine blood results, and elastography where that score is not reassuring. Alcohol intake, hepatitis B and C, and thyroid disease are excluded as contributors.

Meanwhile — and this is the part that gets lost — fatty liver is itself a strong marker of cardiovascular risk. Someone with fatty liver is far more likely to die of a heart attack than of liver disease, which is why it belongs in a metabolic clinic and not only in a gastroenterology one.

Prediabetes

A fasting glucose of 100–125 mg/dL or an HbA1c of 5.7–6.4 per cent is not a false alarm and not yet diabetes; it is the point at which intervention works best. A substantial proportion of people at this stage progress to diabetes within a few years, and a substantial proportion do not — the difference is largely determined by what happens next. Structured weight loss and activity at this stage is among the best-evidenced interventions in all of medicine.

Management

There is no medicine for metabolic syndrome as such; each component is treated on its merits, and weight reduction improves all of them simultaneously. That means a nutrition plan you can actually keep to, resistance and aerobic activity, treatment of blood pressure and lipids where indicated, attention to sleep and to alcohol, and periodic reassessment of glucose and liver fibrosis rather than a single reassuring scan.

Where obesity is the driver — which it usually is — the medical and surgical options set out under obesity and weight management apply here too, and the liver responds to weight loss as reliably as anything else does.