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*The area of the esophagus at most risk for instrumental perforation is Killian's triangle [18], which is the part of the pharynx formed by the inferior pharyngeal constrictor and cricopharyngeus muscle.
*The area of the esophagus at most risk for instrumental perforation is Killian's triangle [18], which is the part of the pharynx formed by the inferior pharyngeal constrictor and cricopharyngeus muscle.
*Gastrointestinal leakage can also occur postoperatively as a result of anastomotic breakdown. [24-31].
*Gastrointestinal leakage can also occur postoperatively as a result of anastomotic breakdown. [24-31].
*Immunosuppressed individuals may be at increased risk for dehiscence and deep organ space infection following surgery. [32]
*[[Immunosuppressed]] individuals may be at increased risk for dehiscence and deep organ space infection following surgery. [32]
=====Other causes=====
=====Other causes=====
*Medications: Aspirin, potassium supplements, disease-modifying antirheumatic drugs (DMARDs), and nonsteroidal anti-inflammatory drug (NSAID) use has been associated with perforation of colonic diverticula, with diclofenac and ibuprofen being the most commonly implicated drugs. 43 48, 44
*Medications: [[aspirin]], [[potassium]], [[Disease-modifying antirheumatic drug|disease-modifying antirheumatic drugs]], and [[non-steroidal anti-inflammatory drug]] use has been associated with perforation. 43 48, 44
*Foreign bodies such as sharp objects, food with sharp surfaces, or gastric bezoar. 34-37
*Foreign bodies such as sharp objects, food with sharp surfaces, or gastric bezoar. 34-37


*Violent retching can lead to spontaneous esophageal perforation, known as Boerhaave syndrome due to increased intraesophageal pressure in the lower esophagus. [51]
*Violent retching can lead to spontaneous esophageal perforation, known as [[Boerhaave syndrome]] due to increased intraesophageal pressure in the lower esophagus. [51]
====='''Gastric causes'''=====
====='''Gastric causes'''=====
*Peptic ulcer disease is the most common cause of stomach and duodenal perforation.
*[[Peptic ulcer disease]] is the most common cause of [[stomach]] and duodenal perforation.
*Marginal ulcers may complicate procedures involving a gastrojejunostomy.
*Marginal ulcers may complicate procedures involving a [[gastrojejunostomy]].
*Perforated gastric ulcer is associated with a higher mortality, possibly related to delays in diagnosis [121].
*Perforated [[gastric ulcer]] is associated with a higher mortality. [121].
====='''Small intestine causes'''=====
====='''Small intestine causes'''=====
*Perforation of the small intestine can be related to bowel obstruction, acute mesenteric ischemia, inflammatory bowel disease [53], or due to iatrogenic or noniatrogenic traumatic mechanisms.
*Perforation of the [[small intestine]] can be related to [[bowel obstruction]], [[acute mesenteric ischemia]], [[inflammatory bowel disease]]. [53]
*Abdominal wall, groin, diaphragmatic, internal hernia, paraesophageal hernia, and volvulus can all lead to perforation either related to bowel wall ischemia from strangulation, or pressure necrosis.
*[[Abdominal wall hernia|Abdominal wall]], [[Groin hernia|groin]], [[Diaphragmatic hernia|diaphragmatic]], [[internal hernia]], paraesophageal hernia, and [[volvulus]] can all lead to perforation either related to bowel wall ischemia.
*Injuries to the small intestine during laparoscopic procedures are often not recognized during the procedure. [22]
*Injuries to the small intestine during laparoscopic procedures are often not recognized during the procedure. [22]
*Croh'n disease has a propensity to perforate slowly, leading to formation of entero-enteric or enterocutaneous fistula formation. [52,53]
*[[Crohn's disease]] has a propensity to perforate slowly, leading to formation of entero-enteric or enterocutaneous [[fistula]] formation. [52,53]


*Diseases such as typhoid, tuberculosis, or schistosomiasis can perforate the small intestine. The perforations usually occur in the ileum at necrotic Peyer's patches. A reperforation rate of 21.3 percent has been reported for typhoid perforation closure. [136] [61]
*Diseases such as [[Typhoid fever|typhoid]], [[tuberculosis]], or [[schistosomiasis]] can perforate the small intestine.  
*The perforations usually occur in the ileum at necrotic [[Peyer's patches]]. [136] [61]
=====Large intestine causes=====
=====Large intestine causes=====
*Colonic diverticulosis is common in the developed world. These diverticula can become inflamed and perforate and may lead to abscess formation.
*Colonic [[diverticulosis]] is common in the developed world. They can become inflamed and perforate and may lead to [[abscess]] formation.


*Mesenteric ischemia increases the risk for perforation. Embolism, mesenteric occlusive disease, and heart failure lead to gastrointestinal ischemia. [59]
*[[Mesenteric ischemia]] increases the risk for perforation. [[Embolism]], mesenteric occlusive disease, and [[heart failure]] lead to gastrointestinal ischemia. [59]
*Neoplasms can perforate by direct penetration and necrosis, or by producing obstruction. [64-66
*[[Neoplasm|Neoplasms]] can perforate by direct penetration and [[necrosis]], or by producing obstruction. 64-66
=== Causes of spontaneous intestinal perforation in adults: ===
=== Causes of spontaneous intestinal perforation in adults: ===
* Crohn’s disease  
* [[Crohn's disease|Crohn’s disease]]
* Celiac disease
* [[Celiac disease]]
* Graft-''vs''-host disease
* [[Graft-versus-host disease|Graft-''vs''-host disease]]
* Infections:
* Infections:
* Viral: Cytomegalovirus
* Viral: [[Cytomegalovirus]]
* Bacteria: Salmonella paratyphi, mycobacterium tuberculosis
* Bacteria: [[Salmonella paratyphi]], [[mycobacterium tuberculosis]]
* Parasites: Ascaris lumbricoides
* Parasites: [[Ascaris lumbricoides]]
* Protozoa: Entameba histolytica
* Protozoa: [[Amoebiasis|Entameba histolytica]]
* Drugs: NSAIDs and indomethacin
* Drugs: [[Non-steroidal anti-inflammatory drug|NSAIDs]] and [[indomethacin]]
* Enteric-coated potassium chloride
* Enteric-coated [[Potassium chlorate|potassium chloride]]
* Monoclonal antibodies: Bevicuzimab
* [[Monoclonal antibodies]]: Bevicuzimab
* Meckel’s diverticulum
* [[Meckel's diverticulum|Meckel’s diverticulum]]
* Radiation-induced vascular injury
* Radiation-induced vascular injury
* Atherosclerotic vascular occlusion
* Atherosclerotic vascular occlusion
* Buerger’s disease
* [[Buergers disease|Buerger’s disease]]
* Giant cell arteritis
* [[Giant cell arteritis]]
* Wegener’s granulomatosis
* [[Wegener's granulomatosis|Wegener’s granulomatosis]]
* Henoch-schonlein purpura
* [[Henoch-Schönlein purpura|Henoch-schonlein purpura]]
* Allergic granulomatous arteritis  
* Allergic granulomatous arteritis  


=== Causes of intestinal perforation in neonates ===
=== Causes of intestinal perforation in neonates ===
* Necrotising enterocolitis
* [[Necrotising enterocolitis]]
* Spontaneous
* Spontaneous
* Iatrogenic
* [[Iatrogenic]]
* Umbilical catheterisation
* Umbilical catheterization
* Umbilical cord clamping
* Umbilical cord clamping
* Nasogastric tube
* [[Nasogastric intubation|Nasogastric tube]]
* Obstruction
* [[Obstruction]]
* Ileal atresia
* Ileal atresia
* Gastric volvulus
* [[Gastric volvulus]]
* Gastroschisis
* [[Gastroschisis]]
* Perforated inguinal hernia
* Perforated [[inguinal hernia]]
* Malrotation/midgut volvulus
* Malrotation/[[midgut volvulus]]
* Congenital band  
* Congenital band  


==References==
==References==

Revision as of 17:25, 2 January 2018


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mohammed Abdelwahed M.D[2]

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Causes of gastrointestinal perforation in adults

Instrumentation
  • Instrumentation of the gastrointestinal tract includes upper endoscopy, sigmoidoscopy, colonoscopy [10,11], stent placement [10,11], endoscopic sclerotherapy [12], nasogastric intubation [13], esophageal dilation, and surgery.
  • The area of the esophagus at most risk for instrumental perforation is Killian's triangle [18], which is the part of the pharynx formed by the inferior pharyngeal constrictor and cricopharyngeus muscle.
  • Gastrointestinal leakage can also occur postoperatively as a result of anastomotic breakdown. [24-31].
  • Immunosuppressed individuals may be at increased risk for dehiscence and deep organ space infection following surgery. [32]
Other causes
  • Violent retching can lead to spontaneous esophageal perforation, known as Boerhaave syndrome due to increased intraesophageal pressure in the lower esophagus. [51]
Gastric causes
Small intestine causes
Large intestine causes
  • Colonic diverticulosis is common in the developed world. They can become inflamed and perforate and may lead to abscess formation.

Causes of spontaneous intestinal perforation in adults:

Causes of intestinal perforation in neonates

References