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This Airticle is aout the Gastroenterologist in chennai & the gastroenterology


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The digestive system and its disorders in comanly called as Gastroenterology. The combination of three words from Greek Gaster, Enteron , and Logos.


Gaster means Gen : gastros, Stomach

Enteron means Intestine and

Logos means Reason.


Diseases affecting the gastrointestinal tract, which includes the organs from mouth to anus, along the alimentary canal, are the focus of this specialty.


The Physicians have done or practicing tn this field of medicine are called as gastroenterologists.


All gastroenterologists have to finish eight years of pre-medical education and three years of an internal medicine complete a four years in the gastroenterology fellowship.


Gastroenterology is not the same as colorectal or hepatobiliary surgery, which are specialty branches of general surgery. The surgeon may know about this only have special training and studies about Gastroentrology.


You may know about Hepatology, or hepatobiliary medicine, encompasses the study of the liver, pancreas, and biliary tree, and is traditionally considered a sub-specialty.


Gastroenterology is not the same as colorectal or hepatobiliary surgery, which are specialty branches of general surgery. The surgeon may know about this only have special training and studies about Gastroentrology.


You may know about Hepatology, or hepatobiliary medicine, encompasses the study of the liver, pancreas, and biliary tree, and is traditionally considered a sub-specialty.


History of Gastroenterologist:


Citing from Egyptian papyri, Nunn identified significant knowledge of gastrointestinal diseases among practising physicians during the periods of the pharaohs. Irynakhty, of the tenth dynasty, c. 2125 B.C., was a court physician specialising in gastroenterology, sleeping, and proctology.


Among ancient Greeks, Hippocrates attributed digestion to concoction. Galen's concept of the stomach having four faculties was widely accepted up to modernity in the seventeenth century.


Eighteenth century:


Italian Lazzaro Spallanzani (1729–99) was among early physicians to disregard Galen's theories, and in 1780 he gave experimental proof on the action of gastric juice on foodstuffs. In 1767, German Johann von Zimmermann wrote an important work on dysentery. In 1777, Maximilian Stoll of Vienna described cancer of the gallbladder.


Nineteenth century:


In 1805, Philipp Bozzini made the first attempt to observe inside the living human body using a tube he named Lichtleiter (light-guiding instrument) to examine the urinary tract, the rectum, and the pharynx. This is the earliest description of endoscopy. Charles Emile Troisier described enlargement of lymph nodes in abdominal cancer. In 1823, William Prout discovered that stomach juices contain hydrochloric acid. In 1868, Adolf Kussmaul, a well-known German physician, developed the gastroscope. He perfected the technique on a sword swallower. In 1871, at the society of physicians in Vienna, Carl Stoerk demonstrated an esophagoscope made of two telescopic metal tubes, initially devised by Waldenburg in 1870. In 1876, Karl Wilhelm von Kupffer described the properties of some liver cells now called Kupffer cell. In 1883, Hugo Kronecker and Samuel James Meltzer studied oesophageal manometry in humans.

McClendon's pH-probe


Twentieth century:


In 1915, Jesse McClendon tested acidity of human stomach in situ.[9] In 1921-22, Walter Alvarez did the first electrogastrography research.[10] Rudolph Schindler described many important diseases involving the human digestive system during World War I in his illustrated textbook and is portrayed by some as the "father of gastroscopy". He and Georg Wolf developed a semiflexible gastroscope in 1932. In 1932, Burrill Bernard Crohn described Crohn's disease. In 1957, Basil Hirschowitz introduced the first prototype of a fibreoptic gastroscope.

Twenty-first century:


In 2005, Barry Marshall and Robin Warren of Australia were awarded the Nobel Prize in Physiology or Medicine for their discovery of Helicobacter pylori (1982/1983) and its role in peptic ulcer disease. James Leavitt assisted in their research, but the Nobel Prize is not awarded posthumously so he was not included in the award.


About World Gastroenterology Organisation


The World Gastroenterology Organisation (WGO) is an international professional medical federation of over 100 national GI societies and 4 regional associations of gastroenterology representing over 50,000 individual members.


WGO is focused on "the improvement of standards in gastroenterology training and education on a global scale."


The association was founded in 1935 and incorporated in 1958. The WGO was originally known as the Organisation Mondiale de Gastroenterologie (OMGE) and was renamed the World Gastroenterology Organisation in 2006.


Its activities include educational initiatives such as Training Centers, Train the Trainers Workshops, public awareness campaigns such as World Digestive Health Day and Global Guidelines which cascade, providing viable solutions which are adaptable to varying resource levels around the world, as well as a quadrennial World Congress of Gastroenterology.


The WGO Foundation was incorporated in 2007 and is dedicated to raising fund to support the ongoing WGO education initiatives and activities.




Georges Brohée (1887–1957), a Belgian surgeon who promoted modern gastroenterology, is largely responsible for the origin of the WGO, in particular by founding the Belgian Society of Gastroenterology in 1928 and by organizing the first International Congress of Gastroenterology in Brussels in 1935. In May 1958 the first World Congress of Gastroenterology was held in Washington DC, where Georges Brohée's continuing efforts culminated in the constitution of the "Organisation Mondiale de Gastro-entérologie" (OMGE) on May 29, 1958.


Dr H.L. Bockus was the organisation's first President. His vision was to enhance standards of education and training in gastroenterology.

Developed nations were the initial focus of the organization, however today the WGO embraces a global approach with a special emphasis on developing regions



Gastroenterology Diseases & Conditions Frequently Asked Questions?


1. How do I prepare for my test/procedure?


Perhaps the most frequently asked question of our doctors is how to prepare for various tests and procedures. Below are links to downloadable PDF files for various tests and procedures performed by the Gastroenterology Section at BMC.






Upper EUS

Rectal EUS

Flexible Sigmoidoscopy

Sigmoidoscopy Fleet Enemas

Sigmoidoscopy Magnesium and Enema

Liver Biopsy

Liver Biopsy

Upper GI Endoscopy

Upper GI Endoscopy

Capsule Endoscopy





2. What is heartburn?


Heartburn is a burning sensation behind the breastbone that results from the reflux (back flow) of acid and other stomach contents from the stomach into the esophagus (swallowing tube). Normally, acid should remain in the stomach when a meal is eaten. Heartburn arises when the "valve" (called the lower esophageal sphincter) between the esophagus and the stomach relaxes abnormally.


3. How can I control my heartburn?


The control of heartburn varies greatly among individuals. If heartburn is mild and occurs only intermittently, it is important for each person to determine what precipitated it. For example, if heartburn occurs only when eating late at night, one should avoid eating within three hours of going to bed. In addition, if heartburn occurs only after eating certain foods or after consuming large quantities of coffee, these foods should be avoided. In general, we recommend the following measures to relieve heartburn:


Use brick blocks to elevate the head of the bed between 4 and 6 inches. Extra pillows should not be used as they may actually aggravate heartburn. If bricks become uncomfortable for you or your partner, the use of a firm wedge to elevate your trunk and head can be substituted.

Avoid coffee of any type (including decaffeinated), tomatoes and tomato products, citrus fruits and juices, chocolate, mints, caffeinated beverages, alcoholic drinks and fatty foods.


Do not lie down for at least 3 hours after eating a meal. Stop smoking.


Lose weight if you are overweight and avoid wearing tight fitting garments. Use various over-the-counter medications according to the severity of your heartburn. In general, mild intermittent episodes of heartburn can be treated effectively with antacids. Liquid antacids work more rapidly and more effectively than tablets. Antacids include Mylanta, Maalox, Tums or any product in a local pharmacy that contain a mixture of magnesium hydroxide and aluminum hydroxide or calcium carbonate. If heartburn occurs more frequently, the use of over-the-counter H2-blockers such as Pepcid-AC, Tagamet-HB or Zantac-75 can be used. H2-blockers work most effectively if taken before heartburn occurs. If heartburn occurs less than two or three times a week, the episodes can also be treated with a combination of an antacid and an H2-blocker. This combination provides immediate and sustained relief. If heartburn is occurring more frequently than two or three times a week, it is important that you consult a gastroenterologist to determine the severity of your heartburn and whether or not further tests may be indicated.


4. Is heartburn serious?


Although heartburn is merely a nuisance for the vast majority of individuals, it can also be a warning sign of a more serious problem. If you are over age 40 and are having heartburn or "indigestion" for the first time it is imperative that you see a physician as soon as possible. Many people who are experiencing angina (decreased blood flow to the heart) may experience what they consider heartburn or indigestion. The possibility of angina or a heart attack must be excluded. If you know you have heartburn that has been occurring for a long period of time, an evaluation by a gastroenterologist is important. While the vast majority of individuals have only symptoms, acid refluxing into the esophagus may also damage the esophagus, leading to inflammation or esophagitis. Esophagitis can progress to more serious problems, including (in the most extreme cases) the development of cancer of the esophagus. While this is relatively uncommon, certain individuals are at a high risk for the development of severe complications. The most important factors include the duration of heartburn (how many years) and the severity of the symptoms. In addition, during the past several years, it has been determined that the reflux of acid into the esophagus can also lead to or worsen asthma, chronic cough, hoarseness and even erosion of the teeth. Finally, the reflux of acid into the esophagus can cause chest pain indistinguishable from the chest pain of a heart attack or angina. If you are having any of these symptoms, it is imperative that you seek medical attention as soon as possible.


5. What causes ulcers?


Ulcers are most commonly caused by infection with a bacterium called Helicobacter pylori (H. pylori). It resides in the stomach and causes an inflammation of the stomach (gastritis). Although a very large number of individuals, particularly those over the age of 50, are infected with this germ, in most individuals is does not cause any harm or symptoms. In only a small proportion, less than 5% of cases will ulcers develop. Currently, it is recommended that antibiotics be used to treat this infection if it is associated with a proven peptic ulcer. In addition to H. pylori, one of the most common causes of ulcers is the use of aspirin and a class of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs). These latter drugs include prescription medication, such as Motrin and Naprosyn, as well as over-the-counter medications such as Advil and Aleve. Tylenol and other forms of acetaminophen do not cause ulcers, but their use in very large doses, or in combination with alcohol, can lead to liver damage. It is also important to realize that certain non-prescription medications such as Alka-Seltzer, Goody Powder and Standback, also contain aspirin and can lead to serious damage to the stomach. Finally, a significant proportion of individuals develop ulcers without infection with H. pylori or without consuming NSAIDs. If you are experiencing pain in the center of the abdomen below the rib cage, it is advisable to see a gastroenterologist to determine whether you have an ulcer.


6. What is Irritable Bowel Syndrome (IBS)?


Irritable bowel syndrome (IBS) is a common disorder of the intestine that leads to crampy pain, gas, bloating and changes in bowel habits. Some people with IBS have constipation, others have diarrhea and some people experience both. Sometimes a person with IBS has the urge to move the bowels but cannot do so. The cause of IBS is unknown and while there is no cure, effective treatment is available.


7. What is Hepatitis C?


Hepatitis C is a virus that infects the liver. It is the most common form of viral hepatitis and the most significant cause of chronic liver disease in the U.S. Hepatitis C is commonly transmitted by contact with contaminated blood. Twenty to thirty percent of people with chronic hepatitis C get cirrhosis of the liver. The progression of hepatitis C is slow and usually is not diagnosed until liver problems develop. Cirrhosis caused by hepatitis C can lead to hepatocellular carcinoma (liver cancer). If you have any of the following risk factors you should have a simple blood test to diagnose if you have been exposed to Hepatitis C. Patients with chronic Hepatitis C must be closely monitored by a gastroenterologist, and in some cases treatment can be offered.


8. What is endoscopy?


Endoscopy refers to procedures that visualize the gastrointestinal tract utilizing high definition video equipment.


9. Is endoscopy dangerous?


Endoscopy in general is very safe. The majority of endoscopic procedures are performed in an outpatient setting. Patients can be discharged home after the procedure is completed. As with any medical procedure, there are some small risks associated with endoscopy.


10. What is an EGD ?


EGD is an acronym for esophagogastroduodenoscopy. Also known as upper endoscopy or upper GI endoscopy, EGD is a procedure that enables your physician to examine the lining of the upper part of your gastrointestinal tract, i.e. the esophagus, stomach and duodenum (first portion of the small intestine) using a thin flexible tube with its own lens and light source. Upper endoscopy is usually performed to evaluate symptoms of persistent upper abdominal pain, nausea, vomiting or difficulty swallowing. It is also the best test for finding the cause of bleeding from the upper gastrointestinal tract.


11. What is flexible sigmoidoscopy?


Flexible sigmoidoscopy is a procedure that enables your physician to examine the lining of the rectum and colon (large bowel) by inserting a flexible tube that is about the thickness of your finger into the anus and advancing it slowly into the rectum and lower part of the colon. If the doctor sees an area that needs evaluation in greater detail, a biopsy (sample of the colon lining) may be obtained and submitted to a laboratory for analysis. If polyps are found, they can be biopsied, but are not removed at the time of the sigmoidoscopy. The doctor performing the exam will likely request that you have a colonoscopy (a complete examination of the colon) to remove any large polyp that is found. Colonoscopy can also check the remainder of your colon for the presence of other polyps.


12. What is a polyp and does it do any harm?


A polyp is a growth often occurring in the large intestine (colon). Polyps rarely cause symptoms. Some polyps are precancerous (adenomas) meaning that if not removed they could develop slowly in to a cancer. Gastroenterologists can perform a procedure called a colonoscopy to detect polyps of the large intestine and remove them preventing cancer of the colon.


13. What is yellow jaundice?


This is a yellow discoloration of the skin. It can be best recognized in the eyes and under the tongue. Sometimes it is accompanied by dark urine. In almost all instances it is caused by a liver condition that must be evaluated by a physician. If you do have jaundice, see your doctor immediately.


14. Are hemorrhoids dangerous?


In general, no. Only in very rare circumstances can hemorrhoids bleed profusely which warrants hospitalization.


15. I saw blood in my stool; what should I do?


You need to consult your doctor first. Blood in the stool warrants an endoscopic examination of the large intestine (colon) to identify a possible source of the bleeding even if you suspect hemorrhoids. If you bleed a lot you must go to the nearest emergency room for immediate evaluation.


16. Why do I have trouble swallowing?


There are many reasons why swallowing is impaired usually related to the esophagus (swallowing tube) such as acid reflux or cancer. You must see a gastroenterologist to rapidly identify the reason for your problem.


17. What does the liver do?


The liver is the central organ for synthesis of important proteins in your body without which you cannot live. It also stores energy from the foods we eat. It is essential to sustain strength for fighting infections and make the blood clot when necessary.


18. What is pancreatitis?


Pancreatitis is a rare disease in which the pancreas becomes inflamed. Damage to the gland occurs when digestive enzymes are activated and begin attacking the pancreas. In severe cases, there may be bleeding into the gland, serious tissue damage, infection and cysts. Enzymes and toxins may enter the bloodstream and seriously injure organs, such as the heart, lungs and kidney. There are two forms of pancreatitis. The acute form occurs suddenly and may be a severe, life-threatening illness with many complications. Usually, however, the patient recovers completely. If injury to the pancreas continues, such as when a patient persists in drinking alcohol, a chronic form of the disease may develop, bringing severe pain and reduced functioning of the pancreas that affects digestion and causes weight loss.


19. Why is esophageal manometry performed?


Your doctor may want you to have an esophageal manometry because you have difficulty swallowing, pain in swallowing, non-cardiac chest pain (a cardiac work up has ruled out heart problems), or if you have had chronic heartburn in the past and may now be considering surgery as an alternative to continued medication.


20. Who should be screened for colorectal cancer?


Anyone over the age of 50, regardless of gender or race/ethnicity, is at increased risk of colorectal cancer warrants screening. Individuals with a family history of colorectal cancer or polyps are at an even higher risk and warrant screening at an even younger age. Screening should begin around age 40 if only one first-degree relative (parent, sibling or child) had either cancer or polyps, and as early as 25 if multiple first-degree relatives were affected. Patients with a personal history of colorectal polyps, cancer or inflammatory bowel disease (ulcerative colitis or Crohn's disease) are also at high risk and warrant periodic colonoscopy.


21. What screenings are available for colorectal cancer?


There are four main screening tests for colorectal cancer, including stool blood testing, flexible sigmoidoscopy, barium enema and colonoscopy. The tests vary with respect to accuracy in detecting polyps or cancer, risks, convenience, discomfort, preparation, frequency of repeat testing and costs. While any of the tests may be appropriate for individuals at increased risk because they are 50 years of age or older, colonoscopy may be a better choice for those at higher risk because of personal or family history of colorectal cancer or polyps, or because of a history of chronic inflammatory bowel disease. At-risk individuals need to discuss the various options with their provider.


22. Can I reduce my risk of getting colorectal cancer?


Yes. A healthy diet can help reduce the risk. In general, eat 5 or more servings of fruits and vegetables a day, replace red meat with chicken, fish, nuts and legumes, take a multivitamin containing 0.4 mg of folic acid, and limit alcohol to two drinks per day for men and one drink per day for women.

Moderate physical activity, at least 30 minutes per day, is also important. This may include brisk walking, dancing and gardening. Start slowly and build up to 30 minutes per day. Of course, exercise has myriad health benefits and even moderate exercise can help reduce the risks of many diseases. Maintain a healthy weight and avoid smoking, as well.


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