By Dr. Vishnu Girish, MD, DM | Hepatologist in Kochi
Most people have never heard of portal hypertension until they receive the diagnosis themselves.
This vein carries blood from the stomach, intestines, spleen and pancreas into the liver, where it is filtered and processed before moving on to the rest of the body. When something blocks or slows this flow, usually scarring inside the liver, pressure builds up in the vein. That is portal hypertension.
It rarely announces itself early. A person can carry significant portal hypertension for years before any visible sign appears.
Portal hypertension is one of those conditions that quietly reshapes the body’s internal plumbing long before anyone notices anything is wrong.
What Causes Portal Hypertension
Cirrhosis, or long-term scarring of the liver, is the most common cause of portal hypertension. As scar tissue replaces healthy liver tissue, blood has a harder time passing through, and pressure in the portal vein rises. According to Mayo Clinic, as many as 90 percent of people with cirrhosis already have portal hypertension before they develop any symptoms of it.
Once pressure rises high enough, the body starts finding alternate routes for blood to travel, and this is where the real complications begin. Veins in the food pipe and stomach swell and can bleed. Fluid can collect in the abdomen, a condition called ascites. The spleen can enlarge. In more advanced stages, toxins that the liver would normally clear can affect brain function, leading to confusion, a condition called hepatic encephalopathy.
Portal Hypertension in India: Why It Looks Different Here
Here is something worth knowing if you are reading this in Kerala. In most Western countries, cirrhosis explains the overwhelming majority of portal hypertension cases. In India, the picture looks different. Research published in the Journal of Gastroenterology and Hepatology has found non-cirrhotic portal hypertension, meaning portal hypertension without underlying cirrhosis, to be far more common here than in the West, with some Indian studies placing its share above 20 percent of cases compared to just 3 to 5 percent elsewhere. The reasons are not fully understood, though poor sanitation, past gut infections and socioeconomic factors are thought to play a role.
This matters because portal hypertension in a young, otherwise healthy person should not automatically be ruled out. It can occur even when the liver itself looks structurally normal.
I have seen young patients with a swollen spleen and no history of alcohol use, surprised to learn that their liver was, in fact, the source of the problem.
The good news is that portal hypertension can be monitored and managed well once it is identified. Blood tests, ultrasound with Doppler imaging, and endoscopy to check for varices are the usual first steps. Depending on severity, medication, endoscopic procedures or other interventions may be recommended, always tailored to the individual patient. If you or a family member has been told about an enlarged spleen, unexplained ascites or bleeding from the food pipe, consulting a liver specialist in Kochi or a hepatologist near you is a sensible next step. As with most liver conditions, catching it early makes management considerably easier. Consult a doctor if any of these symptoms apply to you.
Frequently Asked Questions
Q: What is portal hypertension and what causes it?
Portal hypertension is a rise in blood pressure within the portal vein, the vessel that carries blood from the digestive organs to the liver. Cirrhosis is the most common cause worldwide, but in India, non-cirrhotic causes are unusually frequent. It develops whenever something obstructs or slows blood flow through or around the liver.
Q: What are the early warning signs of portal hypertension?
Early portal hypertension often has no symptoms at all. As it progresses, signs can include an enlarged spleen, swelling in the abdomen or legs, and in some cases, vomiting blood or passing dark stools due to bleeding varices. Any of these symptoms deserves prompt medical attention.
Q: Is portal hypertension the same as cirrhosis?
No. Cirrhosis is one common cause of portal hypertension, but not the only one. In India particularly, portal hypertension without cirrhosis, called non-cirrhotic portal hypertension, accounts for a meaningful share of cases, especially in younger patients.
Q: When should I see a hepatologist in Kochi for portal hypertension?
If you have been diagnosed with cirrhosis, have an enlarged spleen of unknown cause, or have had any bleeding from the stomach or food pipe, it is time to consult a hepatologist in Kochi. Dr. Vishnu Girish evaluates and manages portal hypertension and its complications for patients across Kerala.
Q: Can I get an online consultation for portal hypertension symptoms?
Yes. Dr. Vishnu Girish offers online consultation for patients across India who cannot visit the Kochi clinic in person. Initial evaluation, review of reports and guidance on further tests can often be done remotely, with in-person visits arranged when needed.
Dr. Vishnu Girish is a hepatologist and liver specialist based in Kochi, Kerala. He offers in-person consultations at his hepatology clinic in Kochi and online consultations for patients across India. Visit liverbyvishnu.com