Therapeutic Endoscopy
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Therapeutic Endoscopy
Therapeutic endoscopy is the medical term for an endoscopic procedure during which treatment is carried out via the endoscope. This contrasts with diagnostic endoscopy, where the aim of the procedure is purely to visualize a part of the gastrointestinal, respiratory or urinary tract in order to aid diagnosis. In practice, a procedure which starts as a diagnostic endoscopy may become a therapeutic endoscopy depending on the findings, such as in cases of upper gastrointestinal bleeding, or the finding of polyps during colonoscopy. A number of different techniques have been developed to allow treatment to be carried out endoscopically, to treat disorders such as bleeding, strictures and polyps. Types of endoscopic therapy Endoscopic haemostasis Endoscopic injection of bleeding peptic ulcers with adrenaline has been practised since the 1970s, endoscopic heater probes have been used since the 1980s, and Argon plasma coagulation has been used since the 1990s. More recently, adrenaline ...
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Endoscopy
An endoscopy is a procedure used in medicine to look inside the body. The endoscopy procedure uses an endoscope to examine the interior of a hollow organ or cavity of the body. Unlike many other medical imaging techniques, endoscopes are inserted directly into the organ. There are many types of endoscopies. Depending on the site in the body and type of procedure, an endoscopy may be performed by either a doctor or a surgeon. A patient may be fully conscious or anaesthesia, anaesthetised during the procedure. Most often, the term ''endoscopy'' is used to refer to an examination of the upper part of the human gastrointestinal tract, gastrointestinal tract, known as an esophagogastroduodenoscopy. For nonmedical use, similar instruments are called borescopes. History Adolf Kussmaul was fascinated by sword swallowers who would insert a sword down their throat without gagging. This drew inspiration to insert a camera, the next problem to solve was how to insert a source of light, as ...
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Ethanol
Ethanol (abbr. EtOH; also called ethyl alcohol, grain alcohol, drinking alcohol, or simply alcohol) is an organic compound. It is an Alcohol (chemistry), alcohol with the chemical formula . Its formula can be also written as or (an ethyl group linked to a hydroxyl group). Ethanol is a Volatility (chemistry), volatile, Combustibility and flammability, flammable, colorless liquid with a characteristic wine-like odor and pungent taste. It is a psychoactive recreational drug, the active ingredient in alcoholic drinks. Ethanol is naturally produced by the fermentation process of Carbohydrate, sugars by yeasts or via Petrochemistry, petrochemical processes such as ethylene hydration. It has medical applications as an antiseptic and disinfectant. It is used as a chemical solvent and in the Chemical synthesis, synthesis of organic compounds, and as a Alcohol fuel, fuel source. Ethanol also can be dehydrated to make ethylene, an important chemical feedstock. As of 2006, world produ ...
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JAMA Surgery
''JAMA Surgery'' is an international peer-reviewed journal, which began publication in 1920.Kibbe, MD, Melina R. and Howard Bauchner, MD (2020)"Announcing the 100th Anniversary of JAMA Surgery, 1920 to 2020" editorial, JAMA Network, January 8, 2020. Retrieved 2020-05-31. It is the official publication of the Association of VA Surgeons, the Pacific Coast Surgical Association, and the Surgical Outcomes Club.Kibbe, MD, Melina R. (2022)"About ''JAMA Surgery''" JAMA Network, American Medical Association, Chicago, Illinois. Retrieved 2022-12-22. It is a member of the JAMA Network, a consortium of peer-reviewed, general medicine and specialty publications. Its current (2022) editor-in-chief is Melina Kibbe at the University of North Carolina at Chapel Hill. Published online weekly, every Wednesday, ''JAMA Surgery'' is also published in print/online issues 12 times a year. In 2021, the journal logged over 3.8 million web sessions and more than 4.7 million article views and downloads. W ...
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Achalasia
Esophageal achalasia, often referred to simply as achalasia, is a failure of smooth muscle fibers to relax, which can cause the lower esophageal sphincter to remain closed. Without a modifier, "achalasia" usually refers to achalasia of the esophagus. Achalasia can happen at various points along the gastrointestinal tract; achalasia of the rectum, for instance, may occur in Hirschsprung's disease. The lower esophageal sphincter is a muscle between the esophagus and stomach that opens when food comes in. It closes to avoid stomach acids from coming back up. A fully understood cause to the disease is unknown, as are factors that increase the risk of its appearance. Suggestions of a genetically transmittable form of achalasia exist, but this is neither fully understood, nor agreed upon. Esophageal achalasia is an esophageal motility disorder involving the smooth muscle layer of the esophagus and the lower esophageal sphincter (LES). It is characterized by incomplete LES relaxati ...
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Esophageal Stricture
A benign esophageal stricture, or peptic stricture, is a narrowing or tightening of the esophagus that causes swallowing difficulties. Signs and symptoms Symptoms of esophageal strictures include heartburn, bitter or acid taste in the mouth, choking, coughing, shortness of breath, frequent burping or hiccups, pain or trouble swallowing, throwing up blood, or weight loss. Causes It can be caused by or associated with gastroesophageal reflux disease, esophagitis, a dysfunctional lower esophageal sphincter, disordered motility, lye ingestion, or a hiatal hernia. Strictures can form after esophageal surgery and other treatments such as laser therapy or photodynamic therapy. While the area heals, a scar forms, causing the tissue to pull and tighten, leading to difficulty in swallowing.Ginex, Pamela K., Manjit S. Bains, Jacqueline Hanson, and Bart L. Frazzitta. 100 Questions & Answers About Esophageal Cancer (100 Questions & Answers). New York: Jones and Bartlett, Inc., 2005. Print. ...
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Pyloric Dilatation
The pylorus ( or ), or pyloric part, connects the stomach to the duodenum. The pylorus is considered as having two parts, the ''pyloric antrum'' (opening to the body of the stomach) and the ''pyloric canal'' (opening to the duodenum). The ''pyloric canal'' ends as the ''pyloric orifice'', which marks the junction between the stomach and the duodenum. The orifice is surrounded by a sphincter, a band of muscle, called the ''pyloric sphincter''. The word ''pylorus'' comes from Greek πυλωρός, via Latin. The word ''pylorus'' in Greek means "gatekeeper", related to "gate" ( el, pyle) and is thus linguistically related to the word " pylon". Structure The pylorus is the furthest part of the stomach that connects to the duodenum. It is divided into two parts, the ''antrum'', which connects to the body of the stomach, and the ''pyloric canal'', which connects to the duodenum. Antrum The ''pyloric antrum'' is the initial portion of the pylorus. It is near the bottom of the stomach, ...
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Gut (journal)
''Gut'' is a monthly peer reviewed medical journal on gastroenterology and hepatology. It is the journal of the British Society of Gastroenterology and is published by BMJ. , the editor-in-chief is Emad El-Omar. ''Gut'' was established in 1960 and covers original research on the gastrointestinal tract, liver, pancreas, and biliary tract. The journal has annual supplements covering the presentations from the British Society of Gastroenterology Annual General Meeting. British Society of Gastroenterology clinical practice guidelines are also published as supplements to the journal. , subscribers to ''Gut'' also receive a copy of ''Frontline Gastroenterology''. Abstracting and indexing ''Gut'' is abstracted and indexed by Medline, Science Citation Index, Current Contents/Clinical Medicine, Current Contents/Life Sciences, Excerpta Medica, BIOSIS Previews and Scopus. According to the ''Journal Citation Reports'', its 2020 impact factor is 23.059, ranking it third out of 92 journals in t ...
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Peptic Ulcer
Peptic ulcer disease (PUD) is a break in the inner lining of the stomach, the first part of the small intestine, or sometimes the lower esophagus. An ulcer in the stomach is called a gastric ulcer, while one in the first part of the intestines is a duodenal ulcer. The most common symptoms of a duodenal ulcer are waking at night with upper abdominal pain and upper abdominal pain that improves with eating. With a gastric ulcer, the pain may worsen with eating. The pain is often described as a burning or dull ache. Other symptoms include belching, vomiting, weight loss, or poor appetite. About a third of older people have no symptoms. Complications may include bleeding, perforation, and blockage of the stomach. Bleeding occurs in as many as 15% of cases. Common causes include the bacteria ''Helicobacter pylori'' and non-steroidal anti-inflammatory drugs (NSAIDs). Other, less common causes include tobacco smoking, stress as a result of other serious health conditions, Behçet's di ...
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Cancer
Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors, which do not spread. Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. While these symptoms may indicate cancer, they can also have other causes. Over 100 types of cancers affect humans. Tobacco use is the cause of about 22% of cancer deaths. Another 10% are due to obesity, poor diet, lack of physical activity or excessive drinking of alcohol. Other factors include certain infections, exposure to ionizing radiation, and environmental pollutants. In the developing world, 15% of cancers are due to infections such as ''Helicobacter pylori'', hepatitis B, hepatitis C, human papillomavirus infection, Epstein–Barr virus and human immunodeficiency virus (HIV). These factors act, at least partly, by changing the genes of ...
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Gastric Antral Vascular Ectasia
Gastric antral vascular ectasia (GAVE) is an uncommon cause of chronic gastrointestinal bleeding or iron deficiency anemia. The condition is associated with dilated small blood vessels in the pyloric antrum, which is a distal part of the stomach. The dilated vessels result in intestinal bleeding. It is also called watermelon stomach because streaky long red areas that are present in the stomach may resemble the markings on watermelon. The condition was first discovered in 1952, and reported in the literature in 1953. Watermelon disease was first diagnosed by Wheeler ''et al.'' in 1979, and definitively described in four living patients by Jabbari ''et al.'' only in 1984. As of 2011, the cause and pathogenesis are still not known. However, there are several competing hypotheses as to various causes. Signs and symptoms Most patients who are eventually diagnosed with watermelon stomach come to a physician complaining of anemia and blood loss. Sometimes, a patient may come to the physi ...
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Angiodysplasia
In medicine (gastroenterology), angiodysplasia is a small vascular malformation of the gut. It is a common cause of otherwise unexplained gastrointestinal bleeding and anemia. Lesions are often multiple, and frequently involve the cecum or ascending colon, although they can occur at other places. Treatment may be with colonoscopic interventions, angiography and embolization, medication, or occasionally surgery. Signs and symptoms Although some cases present with black, tarry stool (melena), the blood loss can be subtle, with the anemia symptoms predominating. Pathophysiology Histologically, it resembles telangiectasia and development is related to age and strain on the bowel wall. It is a degenerative lesion, acquired, probably resulting from chronic and intermittent contraction of the colon that is obstructing the venous drainage of the mucosa. As time goes by the veins become more and more tortuous, while the capillaries of the mucosa gradually dilate and precapillary sphinc ...
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APC Oesophagus
APC most often refers to: * Armoured personnel carrier, an armoured fighting vehicle APC or Apc may also refer to: Computing and technology * Auto Power Control, a system of powering e.g. laser diodes * Adaptive predictive coding, an analog-to-digital conversion system * Advanced process control, a concept in control theory * Alternative PHP Cache, a PHP accelerator program * Angled physical contact, a technique used in optical fiber connections * ''APC'' (magazine), a computer magazine in Australia * APC III or Advanced Personal Computer, a 1983 NEC microcomputer * APC by Schneider Electric, a manufacturer of uninterruptible power supplies, electronics peripherals and data center products; the company was formerly known as American Power Conversion Corporation or simply ''APC'' * APC-7 connector, a coaxial connector used for high frequency applications * Application Program Command, a C1 control code * Asynchronous procedure call, a function that executes asynchronously in t ...
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