Deep vein thrombosis classification scheme: Difference between revisions
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==Overview== | ==Overview== | ||
Deep vein thrombosis is classified based on the '''site''' of occlusion or clot formation. | Deep vein thrombosis is classified based on the '''site''' of occlusion or clot formation. Symptom presentation and complication is largely influenced by the location of the embolus. | ||
*Upper extremity DVT: DVT of upper limb. | *Upper extremity DVT: DVT of upper limb. | ||
*Lower extremity DVT: DVT of lower limb. DVT of the lower extremity is subdivided into two categories: | *Lower extremity DVT: DVT of lower limb. DVT of the lower extremity is subdivided into two categories: | ||
Revision as of 12:40, 25 April 2012
Editors-in-Chief: C. Michael Gibson, M.S., M.D. Associate Editor-In-Chief: Ujjwal Rastogi, MBBS [1]
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Overview
Deep vein thrombosis is classified based on the site of occlusion or clot formation. Symptom presentation and complication is largely influenced by the location of the embolus.
- Upper extremity DVT: DVT of upper limb.
- Lower extremity DVT: DVT of lower limb. DVT of the lower extremity is subdivided into two categories:
- Proximal vein thrombosis.
- Distal (calf) vein thrombosis.
Proximal vein thrombosis
Proximal vein thrombosis occurs when thrombosis involves the proximal veins like popliteal, femoral, or iliac vein. Clinically proximal vein thrombosis is of greater importance as it is more commonly associated with serious, chronic diseases like:
- Active cancer.
- Congestive heart failure.
- Old age (greater than 75 years).
- Respiratory insufficiency.
Proximal vein thrombosis is responsible for more than ninety percent of acute Pulmonary embolism and thus higher mortality. [1]
Distal vein thrombosis
Distal vein thrombosis is one in which thrombi remain confined to the deep calf veins. It is often associated with transient risk factors like travel, prolonged immobilization and recent surgery.[1]
References
- ↑ 1.0 1.1 Galanaud JP, Sevestre-Pietri MA, Bosson JL, Laroche JP, Righini M, Brisot D, Boge G, van Kien AK, Gattolliat O, Bettarel-Binon C, Gris JC, Genty C, Quere I (2009). "Comparative study on risk factors and early outcome of symptomatic distal versus proximal deep vein thrombosis: results from the OPTIMEV study". Thromb. Haemost. 102 (3): 493–500. doi:10.1160/TH09-01-0053. PMID 19718469. Retrieved 2011-12-14. Unknown parameter
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