Mesenteric / Bowel Ischaemia

Mesenteric ischaemia is a condition where the blood supply to the intestines is reduced or blocked. Just like the heart or brain, the intestines also need a steady flow of blood to work properly. When that flow is interrupted, it can lead to pain, digestive problems, and, if not treated in time, serious complications.

Mesenteric ischaemia
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There are two main types: acute (sudden onset) and chronic (slow and progressive). Both affect the arteries that supply the small and large intestine – called mesenteric arteries.

Mesenteric Ischaemia

What Is Acute Mesenteric Ischaemia?

Acute mesenteric ischaemia is a medical emergency. It happens when there is a sudden blockage in the arteries supplying the intestine. This can be due to a blood clot, a small piece of plaque breaking off from another artery, or very low blood pressure in critically ill patients.

Common symptoms include:

  • Sudden, severe pain in the abdomen
  • Pain that feels out of proportion to how the belly looks
  • Nausea and vomiting
  • Diarrhea or an urgent need to pass stool
  • Sometimes blood in the stool

This condition can progress very quickly. If not treated early, parts of the intestine may die due to lack of blood supply, which can be life-threatening.

What Is Chronic Mesenteric Ischaemia?

Chronic mesenteric ischaemia develops more slowly, usually due to narrowing of the mesenteric arteries from atherosclerosis (hardening of arteries). It is more common in older adults who may also have heart disease, diabetes, or a history of smoking.

Typical symptoms include:

  • Pain in the abdomen after eating (usually within 30 minutes)
  • Weight loss due to fear of eating (the pain leads patients to skip meals)
  • Bloating, nausea, or diarrhea after meals

Because symptoms are vague at first, many patients are misdiagnosed with acidity or irritable bowel syndrome. But over time, weight loss and worsening pain point toward an underlying vascular problem.

Mesenteric Ischaemia

How Is Mesenteric Ischaemia Diagnosed?

Your doctor may suspect this condition based on your symptoms, especially if you’re older or have known vascular disease. Imaging tests like CT angiography or Doppler ultrasound are used to check blood flow in the arteries. Blood tests and clinical examination also help support the diagnosis.

Mesenteric Ischaemia

What Are the Treatment Options?

  • Acute mesenteric ischaemia usually requires urgent intervention. This may include a catheter-based procedure (thrombolysis, angioplasty or stenting) or open surgery to remove the clot and restore blood flow. Sometimes, a part of the intestine may need to be removed if it is already damaged.
  • Chronic mesenteric ischaemia is treated with angioplasty and stenting (opening the artery with a balloon and placing a stent), or in some cases, surgical bypass of the narrowed arteries.

Lifestyle changes, blood thinners, and medications to control blood pressure, cholesterol, and diabetes are also important to prevent future problems.

Mesenteric / Bowel Ischaemia
Mesenteric / Bowel Ischaemia

Every healthy intestine is a second chance at life.

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