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What is biliary dyskinesia?
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Biliary dyskinesia is a disorder of the gallbladder and a part of the biliary system called the sphincter of Oddi. It is often characterized by the inability of for bile to move normally into the intestines. The world biliary comes from the word bile, and the word dyskinesia simply means a disorder of functioning.
In healthy individuals, the gallbladder servers to store bile; a digestive fluid that is excreted to the small intestine to aid in the breaking down of fats. However, in biliary dyskinesia, bile is unable to reach the intestinal tract resulting in bile to remain in the gallbladder and/or biliary tract leading to the development of pain.
Prevalence of biliary dyskinesia
The exact prevalence of biliary dyskinesia is not known, but the occurrence of functional biliary pain; which it is often alternatively called, was found to occur in approximately 8 percent of men and 21 percent of women, as evaluated during ultrasound testing. Biliary dyskinesia typically affects adults between the ages of 40 and 60, with women having a greater incidence than men. Biliary dyskinesia is considered much more rampant in the US and is rarely found in other countries.
Types of biliary dyskinesia
Hyperkinetic biliary dyskinesia
Also known as hyper motor dyskinesia of the biliary tract, this type of biliary dyskinesia occurs when the bladder contracts too often or too much while the sphincters do not open completely. This leads to increased amounts of unconcentrated bile being excreted out of the gallbladder and depletion of bile stores. Hyperkinetic biliary dyskinesia is defined as having an ejection fraction of above 75 percent.
It is believed that this type of biliary dyskinesia caused by an excess of bladder receptor sites for cholecystokinin; a hormone that causes gallbladder contraction. However, since to its rarity, hyper kinetic biliary dyskinesia has not been studied extensively.
Hypokinetic biliary dyskinesia
The more common of the two types and therefore the type more extensively studied. It is characterized by the gallbladder does not contract as frequently, exhibiting an ejection fraction falling in the range of 32 to 42 percent. Hypokinetic biliary dyskinesia is seen to develop more in females while its increased prevalence during middle age and increasing as we get older.
What are the causes and risk factors of biliary dyskinesia?
Abnormalities in the movement and release of bile have many contributing factors. Under normal conditions, when you ingest food it sends a signal to the brain which then sends a signal to the biliary system to trigger the contraction of the gallbladder. This process serves to allow sufficient bile to reach the small intestine through the common bile duct. If an insufficient amount of bile is released it could prevent appropriate break down of vital nutrient to be absorbed by the body such as essential vitamins and minerals. The following are some reasons for this to occur.
Stress
This can have a significant effect on many bodily functions including the biliary system. It is hypothesized that stress may lead to dopamine dysfunction; a neurotransmitter in the brain, leading to the gallbladder having difficulty receiving signal for contraction from the brain.
Neurodegeneration
The most widely known cause of biliary dyskinesia and is also known as autonomic dysfunction which leads to the dysfunction neurons. Neurodegeneration is a common feature of aging but can occur in younger individuals or due to medical conditions involving excessive inflammation. Specifically, abnormalities involving the Vagus nerve; which influences the gallbladder, can lead to biliary dyskinesia.
Malformations
This is in respect to the gallbladder and biliary system. If the anatomy of these structures is altered or becomes altered, it can lead to the inability of bile to flow properly. Malformation can be inherited or be caused later on by related health conditions, such as chronic inflammation in the organ.
Hypothyroidism
Thyroid hormone is required for relaxing the sphincter of Odd, which controls the excretion of bile into the small intestine. Therefore, those with decreased thyroid function have an increased chance of developing biliary dyskinesia. Hypothyroidism is also associated with in the increased likelihood of bile duct stone production and also affects the vagus nerve.
Gastrointestinal diseases
Gastrointestinal diseases affect the normal function of digestive organs. Those with gallbladder dysfunction are more likely to have other co-existing symptoms with the gut such as diarrhea, constipation, leaky gut, food sensitivities or parasites.
Risk factors that increase the likelihood of developing biliary dyskinesia include:
- Sex: women are considered more likely to develop gallstones leading to gallbladder disease as pregnancy and hormone replacement (utilized by postmenopausal women) lead to their increased development.
- Age: Biliary dyskinesia more commonly occurs in middle age or older.
- Obesity: those who are overweight tend to have a greater incidence of metabolic disease and gallbladder dysfunction
What are the symptoms of biliary dyskinesia?
Biliary dyskinesia symptom compares similarly to other gallstone diseases. However, the main difference is that biliary dyskinesia produces these symptoms in the absence of gallstones. The following are some of the expected symptoms of biliary dyskinesia.
- Acute abdominal pain in the upper right later region
- Pain that may travel to the back or between the shoulder blades
- Pain that worsens after eating a meal, especially fatty meals for 30 minutes or more
- Pain not relieved by passing gas, antacids, defecation, H2 blockers, or proton pump inhibitors
- Shortness of breath.
- Dull, sharp, or crampy pain.
- Belching, bloating, and flatulence
- Nausea and vomiting
- Weight loss – from fear of pain when eating
- Weight gain – from the improper digestion of fats
- Fatigue
How to diagnose biliary dyskinesia?
Sharp abdominal pain is not exclusive to biliary dyskinesia. Therefore, when planning investigative measures, a broad differential is important to make sure your doctor does not miss any potentially harmful compilations. After taking a detailed history of presenting symptom, your doctor will likely do some or all of the following diagnostic tests
- Blood tests: while not useful for directly diagnosing gallbladder abnormalities, certain biochemical markers found in the blood, such as bilirubin and alkaline phosphatase, can provide vital clues for to promote further investigation.
- Abdominal ultrasound: The use of high-frequency sound waves that can bounce off structures within the abdomen and represented as an image on-screen. This test is non-invasive and can be done in the office. Ultrasound is an excellent test for the presence of gallstones as a cause of biliary obstruction.
- HIDA scan (cholescintigraphy): Using a radioactive dye that is injected into the person which is then secreted into the bile by the body. At this point, a scan is done on the gallbladder to see if bile is moving as it should throughout the bile system. This test is further augmented with the use of the hormone cholecystokinin which stimulates the gallbladder so the amount of bile ejected can be measured.
- OGD (oesophago-gastro- duodenoscopy): Using a small flexible tube and sending it down through the esophagus to the duodenum. There the physician can also take tissue samples or collect bile samples from the gallbladder.
Treating biliary dyskinesia
The symptoms of biliary dyskinesia may go away without any form of treatment, however, if symptoms are persisting or severe, your doctor may recommend the following:
- Non-steroidal anti-inflammatory drugs (NSAIDs): these pain killers help to decrease pain, swelling, and fever. They are available over the counter, without a prescription. Common NSAIDs include Ibuprofen or acetaminophen. It is important to keep in mind that overdosing on NSAIDs can lead to stomach bleeding or kidney problems in certain individuals. Also, if you are taking a blood thinner medication for any other reason, make sure with your doctor first before beginning NSAIDs of any kind.
- Prescription pain medication: Often come in the form of opioids which have a high addictive potential. Opioids may also come in combination with acetaminophen, a common NSAID. These forms of prescription pain killers may cause constipation and should only be used under the guidance of an experienced medical professional.
- Surgery: Removing the gallbladder may help remedy various gallbladder related condition, however, this is typically not done in young children.
Home remedies for biliary dyskinesia
Diet
The right dietary modification can create a condition that promotes normal bile outflow and often come with the restriction of certain types of food. Foods that should be avoided include:
- Fried foods
- Greasy food
- Smoked food
- Spicy food
- Consuming empty carbs
- High cholesterol foods
- Foods that irritate the stomach such as onions, garlic, and radishes
It is generally recommended to eat more fruits and vegetables to help keep bile regulation normal. However, the most common cause of biliary dyskinesia, hypo-motor, there are certain food combinations that can help with the condition
- To stimulate bile production: Sour cream, cream, butter, soft-boiled eggs
- To normalize bile production: Fruits, vegetables, porridges
Additionally, it is recommended to eat frequent meals throughout the day, instead of less frequent larger meals. Meal portions should be small, and your food should not be too cold or too hot in temperature. Drinking at least two liters of water per day should also be done.
Herbal Remedies
- Artichokes: Best taken as a tea but may be too bitter for some. Artichoke tea should be taken in the morning on an empty stomach while taking small sips. Consuming four two to four ounces of the tea should be sufficient enough per day. Once consumed, lay down on your right side for at least 30 minutes. There are also artichoke capsules if drinking tea is not desired.
- Dandelion: An effective herbal remedy to aid with liver drainage and evacuation of bile from the digestive tract. It is recommended to use two teaspoons of the herb per cup of tea. Drinking two to three cups a day will often be sufficient to gain results.
- St John’s Wort: Can be used in either tea or oil form. If choosing to drink the tea, it should be consumed within 15 to 20 minutes after preparing it. Drinking two to three cups a day is recommended.
- Yarrow: Prepare this herb as a tea and letting it steep for five minutes. It is recommended to drink yarrow 30 minutes before a meal to help with the excretion of bile. This herb is also good for treating nausea, bloating, and loss of appetite.
- Celandine: Can simply be mixed in water and consumed. Celandine is known to help diminish pain and discomfort caused by gallbladder contractions.
If you continue to experience symptoms despite all your efforts, going to the emergency room is a wise choice. If you choose not to seek professional care you may experience the eventual complications of gallbladder pain which include discomfort while eating, weight loss, electrolyte abnormalities, and a decrease in quality of life.
Related: Gallbladder pain: Causes, symptoms, diagnosis, and treatment