What Is Dysphagia? [dropcap]D ysphagia is a functional upper digestive disorder characterized by difficulty in swallowing or food getting stuck and swallowing that takes longer than 10 seconds to complete. Q: What determines the symptoms?…
[dropcap]P rimary sclerosing cholangitis (PSC) is an uncommon, slowly progressive bile duct disease that results in stagnation or build-up of bile in the liver, called cholestasis.
Primary sclerosing cholangitis is characterized by sclerosis, or scarring inflammation in bile ducts both within the liver (intra-hepatic ducts), and outside the liver (extra-hepatic ducts), causing progressive narrowing and, eventually, obliteration of the bile ducts.
Primary sclerosing cholangitis comes under the umbrella term autoimune liver disease in which the end result is immune-mediated hepatocellular (liver cell) or hepatobiliary (bile duct) injury.1
Q: What happens when scarred bile ducts can no longer transport bile out of the liver?
A: Bile that cannot be removed from the liver by the biliary duct system backs up and damages the liver, causing cirrhosis.
Bile is continually made by the liver from phospholipids salt, cholesterol, and aging blood cells that it removes from circulation to be carried out of the liver. Bile also carries away waste products produced by normal metabolism and toxic substances that are removed by the liver for eventual elimination in stool. As such, bile must continually flow out of the liver to prevent build-up in the liver.
Bile is a greenish brown liquid made by the liver. Bile ducts carry it out of the liver to the gall bladder for storage until needed to aid in the digestion and absorption of fat from the small intestine. Bile emulsifies fat eaten in the diet so that the pancreatic enzyme called lypase can break it down into its fatty acid and glycerol components.
The liver is the largest organ within the body. It lies mostly in the upper part of the abdomen on the right side just under the diaphragm. About 70% of liver tissue is made up of cube shaped cells called hepatocytes that do the main work of the liver. Other cells (epithelial) form structure and are arranged in single layers around blood vessels, sinusoids, and bile ducts.
Build-up of bile in the liver is the end result of the inflammatory process in primary sclerosing cholangitis, that by swelling and scarring of bile ducts impedes and eventually prevents bile flow out of the liver, leading to liver failure. There is no curative treatment available for primary sclerosing cholangitis, besides liver transplantation.2
The appearance of the intrahepatic and extrahepatic biliary ducts can be assessed by use of cholangiography, and magnetic resonance (MR) imaging is the best way to identify patients. See image above.3
MR cholangiography offers a noninvasive method of obtaining images of the biliary system without the use of a contrast agent. There is no radiation exposure. Pulse sequences can be chosen to obtain bright bile or black bile cholangiograms. Image processing algorithms can be selected to obtain a three-dimensional representation of biliary anatomy and pathology, and those images can be rotated in any plane so that ductal anatomy and pathology can be seen to best advantage.4
There is no cure for primary sclerosing cholangitis but there are symptom treatments one of which is supplementation for low levels of vitamins A,D,E, and K. Liver transplant is the only effective option.
[dropcap]C[/dropcap]hronic constipation alternating with diarrhea is an intestinal motility disorder, or irregularity, characterized by alteration in stool formation, consistency, and evacuation which results in a bowel movement that consists of some hard or balled stool along with some loose stool that can cause leakage.
Q: How do irregular movement patterns develop in the colon?
A: The colon produces irregular movements as a result of problems that originate in the colon (large intestine) itself and/or the small intestine which then affects function of the colon.
Here are listed the many types of problems or diseases that cause these abnormal bowel movements:
What Is Hypocalcemia?[dropcap]H ypocalcemia, or low plasma calcium, means the level of calcium in blood is too low to meet metabolic needs of the body for calcium.
Low blood calcium is characterized by bone and tooth demineralization (loss of calcium causing weak teeth and fragile bones), and these impaired functions: nerve conduction, muscle contraction, blood clotting, blood pressure regulation, glycogen to glucose conversion, many hormone actions, many enzyme activities, and acetylcholine production.
Q: Where is calcium found in the body?
A: Calcium is the most abundant mineral in the body, with 99% residing in bones and teeth where it constitutes 40% of skeletal bone weight along with 45% phosphorus. As a component of bone (hard tissue), calcium fulfills a structural role to maintain body size and act as attachments for musculoskeletal tissues. The remaining 1% of calcium is present in blood and soft tissues.
Calcium levels in the blood are maintained within very strict limits by dietary intake, hormonal regulation by the parathyroid gland and a rapidly exchangeable pool in bone tissue.
What Is Anorexia?[dropcap]A norexia or loss of appetite is a reduced desire to eat which can cause unintentional weight loss.
Anorexia is a feature of many disorders caused by malutrition such as celiac disease and aging or gastrointestinal problems such as chronic gastroenteritis, and dysgeusia (loss of taste).
Q: Are there other conditions that cause anorexia?
A: Other underlying problem include medication side effects, infection, chronic pain, depression, grief, dehydration, hormonal dysfunction such as thyroid disease, primary hyperparathyroidism, or Addison’s disease, autoimmune mechanisms such as sarcoidosis, and cancer growth.
[dropcap]H ypocupremia, or low plasma copper, means the level of copper is too low to meet metabolic needs of the body for copper and is characterized by these many features:
Untreated, copper deficiency can advance to brain degeneration. Failure to make normal blood cells can result in death.
What Is Increased Appetite?[dropcap]I ncreased appetite is the increased desire for food.
Q: What causes appetite.
A: Appetite is caused by hunger.
The brain monitors nutritional needs and employs a hunger mechanism to alert us when fresh food is needed. Hunger is mainly caused by the need for protein. Low blood sugar also triggers hunger.
The tempting sight, smell, taste and expectation of food stimulates involuntary sensory nerves. By reflex action, these sensory nerves cause muscle and sensory activity in various digestive organs. Salivary glands in the mouth begin to secrete saliva as stomach glands and muscles become active.1
[dropcap]E sophageal motor abnormalities are disorders of the esophagus involving altered muscular motility characterized by impaired esophageal peristalsis, or the progressive wave-like movement that occurs automatically when food or fluids are swallowed.
Q: What is altered motility?
A: Altered motility describes the lack of coordinated muscular movements or weak muscular movement needed to rapidly propel food and fluids through the highly muscular esophagus from the throat to the stomach.
The esophagus is a tube-like organ that begins at the cricoid cartilage (Adam’s apple) as a continuation of the pharynx and ends at the lower esophageal sphincter (LES).
The LES is a very strong, circular muscle surrounding the junction of the esophagus and stomach. The LES opens to allow swallowed food and liquids to enter the stomach and closes to prevent their travelling back into the esophagus.
Failure of the lower esophageal sphincter to remain tightly closed after swallowing allows stomach contents to reenter the esophagus giving symptoms of heartburn.
On the other hand, failure of the LES to relax traps the contents of the esophagus so that it cannot quickly empty into the stomach as it should. Because the esophagus is not designed to hold food/fluids, the abnormal expansion results in pain, anxiety and possibly vomiting and choking. If the contents are aspirated into the windpipe upon choking, there will be coughing with attempts to clear it.
What Is Chronic Or Recurrent Abdominal Pain? [dropcap]A bdominal pain is characterized by pain anywhere in the abdominal cavity between the chest and groin. This region is often referred to as the belly. Abdominal pain,…
[dropcap]A ortic vasculitis is an inflammatory disease of the aorta that causes dilation of the aorta wall with narrowing of the inside passageway and results in widespread impairment of blood flow to tissues served by the aorta.
Q: What is the result of inflammatory disease of the aorta?
A: The aorta is the largest artery in the body. It extends from the left ventricle (lower chamber) of the heart and carries blood out of the heart with each beat to rest of the body. Narrowing of the aorta’s inside diameter due to swelling from inflammation causes elevated blood pressure and enlarged heart because of back pressure of blood unable to be fully pumped out of the heart with each beat. The heart enlarges because the difficulty of pumping blood out makes it work harder than normal.
Vasculitis that causes midaortic syndrome is a variety of aortic coarctation (narrowing) located in the lower thoracic aorta, the abdominal aorta or both, involving the intestinal and renal vessels (kidney). It usually presents with arterial hypertension.1