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==Overview== | ==Overview== | ||
Ischemic colitis is a medical condition in which inflammation and injury of the large intestine result from inadequate blood supply. | Ischemic colitis is a medical condition in which inflammation and injury of the large intestine result from inadequate blood supply. | ||
==Epidemiology== | |||
Although uncommon in the general population, ischemic colitis occurs with greater frequency in the elderly, and is the most common form of bowel [[ischemia]]<ref name="pmid15043513">{{cite journal | author = Higgins P, Davis K, Laine L | title = Systematic review: the epidemiology of ischaemic colitis. | journal = Aliment Pharmacol Ther | volume = 19 | issue = 7 | pages = 729-38 | year = 2004 | id = PMID 15043513}}</ref><ref name="pmid10784596">{{cite journal |author=Brandt LJ, Boley SJ |title=AGA technical review on intestinal ischemia. American Gastrointestinal Association |journal=Gastroenterology |volume=118 |issue=5 |pages=954-68 |year=2000 |pmid=10784596}}</ref><ref name="pmid10784595">{{cite journal |author=American Gastroenterological Association |title=American Gastroenterological Association Medical Position Statement: guidelines on intestinal ischemia |journal=Gastroenterology |volume=118 |issue=5 |pages=951-3 |year=2000 |pmid=10784595}} http://www.guideline.gov/summary/summary.aspx?ss=15&doc_id=3069&nbr=2295</ref>. | |||
==Causes== | |||
Causes of the reduced blood flow can include changes in the systemic circulation (e.g. [[hypotension|low blood pressure]]) or local factors such as [[vasoconstriction|constriction of blood vessels]] or a [[blood clot]]. In most cases, no specific cause can be identified.<ref>Feldman: Sleisenger & Fordtran's Gastrointestinal and Liver Disease, 7th ed., 2002 Saunders, p. 2332.</ref> | |||
==Natural History, Complications, Prognosis== | |||
Ischemic colitis can span a wide spectrum of severity; most patients are treated supportively and recover fully, while a minority with very severe ischemia may develop [[sepsis]] and become critically ill.<ref>{{cite journal | author = Medina C, Vilaseca J, Videla S, Fabra R, Armengol-Miro J, Malagelada J | title = Outcome of patients with ischemic colitis: review of fifty-three cases. | journal = Dis Colon Rectum | volume = 47 | issue = 2 | pages = 180-4 | year = 2004 | id = PMID 15043287}}</ref> Most patients make a full recovery; occasionally, after severe ischemia, patients may develop long-term complications such as a [[stricture]]<ref>{{cite journal | author = Simi M, Pietroletti R, Navarra L, Leardi S | title = Bowel stricture due to ischemic colitis: report of three cases requiring surgery. | journal = Hepatogastroenterology | volume = 42 | issue = 3 | pages = 279-81 | year = 1995 | id = PMID 7590579}}</ref> or chronic colitis.<ref>{{cite journal | author = Cappell M | title = Intestinal (mesenteric) vasculopathy. II. Ischemic colitis and chronic mesenteric ischemia. | journal = Gastroenterol Clin North Am | volume = 27 | issue = 4 | pages = 827-60, vi | year = 1998 | id = PMID 9890115}}</ref> | |||
==Diagnosis== | |||
Ischemic colitis is usually suspected on the basis of the clinical setting, [[physical examination]], and laboratory test results; the diagnosis can be confirmed via [[endoscopy]]. | |||
==Treatment== | |||
Patients with mild to moderate ischemic colitis are usually treated with IV fluids, [[analgesia]], and bowel rest (that is, no food or water by mouth) until the symptoms resolve. Those with severe ischemia who develop complications such as sepsis, intestinal [[gangrene]], or [[bowel perforation]] may require more aggressive interventions such as [[surgery]] and [[intensive care]]. | |||
==References== | ==References== | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Overview
Ischemic colitis is a medical condition in which inflammation and injury of the large intestine result from inadequate blood supply.
Epidemiology
Although uncommon in the general population, ischemic colitis occurs with greater frequency in the elderly, and is the most common form of bowel ischemia[1][2][3].
Causes
Causes of the reduced blood flow can include changes in the systemic circulation (e.g. low blood pressure) or local factors such as constriction of blood vessels or a blood clot. In most cases, no specific cause can be identified.[4]
Natural History, Complications, Prognosis
Ischemic colitis can span a wide spectrum of severity; most patients are treated supportively and recover fully, while a minority with very severe ischemia may develop sepsis and become critically ill.[5] Most patients make a full recovery; occasionally, after severe ischemia, patients may develop long-term complications such as a stricture[6] or chronic colitis.[7]
Diagnosis
Ischemic colitis is usually suspected on the basis of the clinical setting, physical examination, and laboratory test results; the diagnosis can be confirmed via endoscopy.
Treatment
Patients with mild to moderate ischemic colitis are usually treated with IV fluids, analgesia, and bowel rest (that is, no food or water by mouth) until the symptoms resolve. Those with severe ischemia who develop complications such as sepsis, intestinal gangrene, or bowel perforation may require more aggressive interventions such as surgery and intensive care.
References
- ↑ Higgins P, Davis K, Laine L (2004). "Systematic review: the epidemiology of ischaemic colitis". Aliment Pharmacol Ther. 19 (7): 729–38. PMID 15043513.
- ↑ Brandt LJ, Boley SJ (2000). "AGA technical review on intestinal ischemia. American Gastrointestinal Association". Gastroenterology. 118 (5): 954–68. PMID 10784596.
- ↑ American Gastroenterological Association (2000). "American Gastroenterological Association Medical Position Statement: guidelines on intestinal ischemia". Gastroenterology. 118 (5): 951–3. PMID 10784595. http://www.guideline.gov/summary/summary.aspx?ss=15&doc_id=3069&nbr=2295
- ↑ Feldman: Sleisenger & Fordtran's Gastrointestinal and Liver Disease, 7th ed., 2002 Saunders, p. 2332.
- ↑ Medina C, Vilaseca J, Videla S, Fabra R, Armengol-Miro J, Malagelada J (2004). "Outcome of patients with ischemic colitis: review of fifty-three cases". Dis Colon Rectum. 47 (2): 180–4. PMID 15043287.
- ↑ Simi M, Pietroletti R, Navarra L, Leardi S (1995). "Bowel stricture due to ischemic colitis: report of three cases requiring surgery". Hepatogastroenterology. 42 (3): 279–81. PMID 7590579.
- ↑ Cappell M (1998). "Intestinal (mesenteric) vasculopathy. II. Ischemic colitis and chronic mesenteric ischemia". Gastroenterol Clin North Am. 27 (4): 827–60, vi. PMID 9890115.