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Cholera is an infection of the small intestine by some strains of the bacterium Vibrio cholerae. Symptoms may range from none, to mild, to severe. The classic symptom is large amounts of watery diarrhea lasting a few days. Vomiting and muscle cramps may also occur. Diarrhea can be so severe that it leads within hours to severe dehydration and electrolyte imbalance. This may result in sunken eyes, cold skin, decreased skin elasticity, and wrinkling of the hands and feet. Dehydration can cause the skin to turn bluish. Symptoms start two hours to five days after exposure.
Diarrhea, also spelled diarrhoea or diarrhœa, is the condition of having at least three loose, liquid, or watery bowel movements in a day. It often lasts for a few days and can result in dehydration due to fluid loss. Signs of dehydration often begin with loss of the normal stretchiness of the skin and irritable behaviour. This can progress to decreased urination, loss of skin color, a fast heart rate, and a decrease in responsiveness as it becomes more severe. Loose but non-watery stools in babies who are exclusively breastfed, however, are normal.
In physiology, dehydration is a lack of total body water, with an accompanying disruption of metabolic processes. It occurs when free water loss exceeds free water intake, usually due to exercise, disease, or high environmental temperature. Mild dehydration can also be caused by immersion diuresis, which may increase risk of decompression sickness in divers.
Intravenous therapy is a medical technique that administers fluids, medications and nutrients directly into a person's vein. The intravenous route of administration is commonly used for rehydration or to provide nutrients for those who cannot, or will not—due to reduced mental states or otherwise—consume food or water by mouth. It may also be used to administer medications or other medical therapy such as blood products or electrolytes to correct electrolyte imbalances. Attempts at providing intravenous therapy have been recorded as early as the 1400s, but the practice did not become widespread until the 1900s after the development of techniques for safe, effective use.
Fluid replacement or fluid resuscitation is the medical practice of replenishing bodily fluid lost through sweating, bleeding, fluid shifts or other pathologic processes. Fluids can be replaced with oral rehydration therapy (drinking), intravenous therapy, rectally such as with a Murphy drip, or by hypodermoclysis, the direct injection of fluid into the subcutaneous tissue. Fluids administered by the oral and hypodermic routes are absorbed more slowly than those given intravenously.
Gastroenteritis, also known as infectious diarrhea, is an inflammation of the gastrointestinal tract including the stomach and intestine. Symptoms may include diarrhea, vomiting, and abdominal pain. Fever, lack of energy, and dehydration may also occur. This typically lasts less than two weeks. Although it is not related to influenza, in the U.S. and U.K., it is sometimes called the "stomach flu".
Hyperchloremia is an electrolyte disturbance in which there is an elevated level of chloride ions in the blood. The normal serum range for chloride is 96 to 106 mEq/L, therefore chloride levels at or above 110 mEq/L usually indicate kidney dysfunction as it is a regulator of chloride concentration. As of now there are no specific symptoms of hyperchloremia; however, it can be influenced by multiple abnormalities that cause a loss of electrolyte-free fluid, loss of hypotonic fluid, or increased administration of sodium chloride. These abnormalities are caused by diarrhea, vomiting, increased sodium chloride intake, renal dysfunction, diuretic use, and diabetes. Hyperchloremia should not be mistaken for hyperchloremic metabolic acidosis as hyperchloremic metabolic acidosis is characterized by two major changes: a decrease in blood pH and bicarbonate levels, as well as an increase in blood chloride levels. Instead those with hyperchloremic metabolic acidosis are usually predisposed to hyperchloremia.
Saline is a mixture of sodium chloride (salt) and water. It has a number of uses in medicine including cleaning wounds, removal and storage of contact lenses, and help with dry eyes. By injection into a vein, it is used to treat dehydration such as that from gastroenteritis and diabetic ketoacidosis. Large amounts may result in fluid overload, swelling, acidosis, and high blood sodium. In those with long-standing low blood sodium, excessive use may result in osmotic demyelination syndrome.
Oral rehydration therapy (ORT) is a type of fluid replacement used to prevent and treat dehydration, especially due to diarrhea. It involves drinking water with modest amounts of sugar and salts, specifically sodium and potassium. Oral rehydration therapy can also be given by a nasogastric tube. Therapy can include the use of zinc supplements to reduce the duration of diarrhea in infants and children under the age of 5. Use of oral rehydration therapy has been estimated to decrease the risk of death from diarrhea by up to 93%.
Bacillary dysentery is a type of dysentery, and is a severe form of shigellosis. It is associated with species of bacteria from the family Enterobacteriaceae. The term is usually restricted to Shigella infections.
The BRAT diet(Bananas, Rice, Apples, Toast) is a restrictive diet that was once recommended for people, particularly children, with gastrointestinal distress like vomiting, diarrhea, or gastroenteritis. Evidence, however, does not support a benefit. As of the 21st century, it is no longer recommended, as it is unnecessarily restrictive. The diet was first discussed in 1926.
ICDDR,B is an international health research organisation located in Dhaka, Bangladesh. Dedicated to saving lives through research and treatment, ICDDR,B addresses some of the most critical health concerns facing the world today, ranging from improving neonatal survival to HIV/AIDS. In collaboration with academic and research institutions over the world, ICDDR,B conducts research, training and extension activities, as well as programme-based activities, to develop and share knowledge for global lifesaving solutions.
Dilip Mahalanabis was an Indian paediatrician known for pioneering the use of oral rehydration therapy to treat diarrhoeal diseases. Mahalanabis had begun researching oral rehydration therapy in 1966 as a research investigator for the Johns Hopkins University International Center for Medical Research and Training in Calcutta, India. During the Bangladeshi war for independence, he led the effort by the Johns Hopkins Center that demonstrated the dramatic life-saving effectiveness of oral rehydration therapy when cholera broke out in 1971 among refugees from East Bengal who had sought asylum in West Bengal. The simple, inexpensive Oral Rehydration Solution (ORS) gained acceptance, and was later hailed as one of the most important medical advances of the 20th century.
Pedialyte is an oral electrolyte solution manufactured by Abbott Laboratories and marketed for use in children. It was invented by Dr. Gary Cohen of Swampscott, Massachusetts.
Robert Kellogg Crane was an American biochemist best known for his discovery of sodium–glucose cotransport.
David R. Nalin is an American physiologist, and Pollin Prize for Pediatric Research and Prince Mahidol Award, a.k.a. Mahidol Medal winner. Nalin had the key insight that oral rehydration therapy (ORT) would work if the volume of solution patients drank matched the volume of their fluid losses, and that this would drastically reduce or completely replace the only current treatment for cholera, intravenous therapy. Nalin led the trials that first demonstrated ORT works, both in cholera patients, and more significantly, also in other dehydrating diarrhea illnesses. Nalin's discoveries have been estimated to have saved over 50 million lives worldwide.
Richard Alan Cash is an American global health researcher, public health physician, and internist. He is a Senior Lecturer in International Health at the Harvard T.H. Chan School of Public Health in Boston.
Dehydration can occur as a result of diarrhea, vomiting, water scarcity, physical activity, and alcohol consumption. Management of dehydration seeks to reverse dehydration by replenishing the lost water and electrolytes. Water and electrolytes can be given through a number of routes, including oral, intravenous, and rectal.
Norbert Hirschhorn is an Austrian-born American public health physician. He was one of the inventors and developers of the life-saving method called oral rehydration therapy for adults and children suffering fluid loss from cholera and other infectious diarrheal illnesses. It is estimated that his work has saved around 50 million people suffering from dehydration.
DripDrop is an oral rehydration solution company, based in Oakland, CA. Eduardo Dolhun founded the company in 2008 and began manufacturing in 2010. In practice, DripDrop ORS is used as a part of oral rehydration therapy.
References
- 1 2 3 Nalin, David R. (March 2022). "The History of Intravenous and Oral Rehydration and Maintenance Therapy of Cholera and Non-Cholera Dehydrating Diarrheas: A Deconstruction of Translational Medicine: From Bench to Bedside?". Tropical Medicine and Infectious Disease. 7 (3): 50. doi: 10.3390/tropicalmed7030050 . ISSN 2414-6366. PMC 8949912 . PMID 35324597.
- 1 2 3 Matt Reynolds. "Salt, Sugar, Water, Zinc: How Scientists Learned to Treat the 20th Century's Biggest Killer of Children—Asterisk". www.asteriskmag.com. Retrieved 13 April 2023.
- 1 2 Control of vomiting in cholera and oral replacement of fluid; Chatterjee HN; Lancet. 2 November 1953;2(6795):1063 [ permanent dead link ]
- ↑ MAGIC BULLET: THE HISTORY OF ORAL REHYDRATION THERAPY; JOSHUA NALIBOW RUXIN
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