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What Causes Small Bowel Obstruction? Unraveling the Mystery
Published: Jun 18, 2024
Small bowel obstruction is a common and serious condition where the normal movement of food and liquids through the intestines is blocked. Understanding its causes can be key to managing or preventing it.
Common Causes
In developed countries, adhesions from previous surgeries are the leading cause of small bowel obstruction. Hernias and tumors also play significant roles in causing blockage. Rare causes include Crohn's disease, gallstones, and intussusception, where part of the intestine slides into an adjacent part.
Exploring Rare Triggers
Besides the common causes, small bowel obstruction can also result from unusual conditions. Volvulus, a twisting of the intestine, and bezoars, indigestible masses, are rare but possible culprits. Even certain medications and previous radiation therapy can lead to strictures, narrowing the bowel.
Types of Small Bowel Obstruction
Obstructions can be classified as partial or complete, and acute or chronic. Complete obstructions often lead to complications like ischemia, where blood supply is cut off, leading to tissue death. Understanding these types helps in determining the urgency and type of treatment needed.
Frequently Asked Questions
Adhesions from previous surgeries are the main cause.
Yes, tumors can block the intestines, causing obstruction.
Rare causes include volvulus, bezoars, and certain medications.
No, it can be partial or complete.
Yes, especially if caused by adhesions.
Key Takeaways
Understanding the causes of small bowel obstruction can guide effective management and prevention.
References
- Drożdż W, Budzyński P. Change in mechanical bowel obstruction demographic and etiological patterns during the past century: observations from one health care institution. Arch Surg 2012; 147:175.
- Sikirica V, Bapat B, Candrilli SD, et al. The inpatient burden of abdominal and gynecological adhesiolysis in the US. BMC Surg 2011; 11:13.
- Miller G, Boman J, Shrier I, Gordon PH. Natural history of patients with adhesive small bowel obstruction. Br J Surg 2000; 87:1240.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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