Biliary Dyskinesia

What Is Biliary Dyskinesia?

Biliary dyskinesia is a condition in which the gallbladder does not empty bile properly, leading to symptoms similar to gallbladder disease without the presence of gallstones. The gallbladder’s role is to release bile — a digestive fluid — into the small intestine to help break down fats. When bile flow is disrupted, it can cause pain, indigestion, and other uncomfortable gastrointestinal symptoms. Biliary dyskinesia is considered a functional gallbladder disorder rather than a structural one.

Causes and Risk Factors

The exact cause of biliary dyskinesia is not fully understood, but it may be related to abnormal muscle contractions of the gallbladder or dysfunction of the sphincter of Oddi (a valve that controls bile flow). Factors that may contribute include:

  • History of gallbladder pain or biliary symptoms
  • Irritable bowel pattern or functional gastrointestinal disorders
  • Spasms or motility problems of the biliary system
  • Prior episodes of gallbladder inflammation

This condition can occur in people of all ages but is most commonly seen in adults with typical biliary symptoms and no visible gallstones on imaging.

Signs and Symptoms

Symptoms of biliary dyskinesia can mimic gallbladder disease and may include:

  • Pain or discomfort in the upper right or upper middle abdomen
  • Nausea or vomiting
  • Bloating and gas after meals
  • Pain that may radiate to the back or shoulder
  • Symptoms triggered by fatty or rich meals

Unlike gallstone disease, biliary dyskinesia may not show stones on ultrasound or other imaging studies.

How It’s Diagnosed

Diagnosis of biliary dyskinesia typically involves ruling out other causes of abdominal pain and assessing gallbladder function. Tests may include:

  • Ultrasound to visualize the gallbladder and rule out stones
  • HIDA scan (cholescintigraphy) to evaluate gallbladder emptying and measure the ejection fraction
  • Blood tests to assess liver function and rule out other conditions

A low gallbladder ejection fraction on a HIDA scan (indicating poor bile emptying) is often used to support the diagnosis.

Treatment Options

If symptoms are significant and gallbladder dysfunction is confirmed, the most common treatment for biliary dyskinesia is surgical removal of the gallbladder (cholecystectomy). Many patients experience relief of symptoms after surgery.

Non‑surgical management may include dietary modification, such as reducing fatty foods, to lessen symptom triggers. However, ongoing pain or recurrent symptoms often lead patients and clinicians to consider cholecystectomy for long‑term relief.

Divisions Involved in Your Care

Procedures We Use

Frequently Asked Questions

Biliary dyskinesia results from abnormal gallbladder emptying and dysfunction of the biliary tract muscle contractions rather than gallstones. It may be due to motility problems or sphincter function issues.

Unlike gallstone disease, biliary dyskinesia doesn’t involve stones blocking the bile ducts. Instead, it’s a functional problem where the gallbladder doesn’t release bile properly, leading to similar symptoms.

Diagnosis typically includes ultrasound to rule out stones and a HIDA scan to assess gallbladder function and measure ejection fraction.

Yes, reducing high‑fat and rich foods may reduce symptoms. However, dietary changes don’t fix the underlying motility issue, and many patients require surgery for long‑term relief.

Cholecystectomy (gallbladder removal) is often recommended for patients with persistent symptoms and documented gallbladder dysfunction. Many patients find significant symptom relief after surgery.

Most patients recover well, often with reduction or elimination of biliary pain. Some digestive changes may occur initially but generally improve over time with dietary adjustments.