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{{CMG}}; {{AE}}[[User:DrMars|Mohammadmain Rezazadehsaatlou]] [2];
{{CMG}}; {{AE}}[[User:DrMars|Mohammadmain Rezazadehsaatlou[2]]] ;




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=[[Compartmentsyndrome Overview|Overview]]=
=[[Compartmentsyndrome Overview|Overview]]=


=[[Compartmentsyndrome Causes|Causes]]=
= [[Compartment syndrome historical perspective|Historical Perspective]] =
Because the [[connective tissue]] that defines the compartment does not stretch, a small amount of bleeding into the compartment, or swelling of the muscles within the compartment can cause the pressure to rise greatly. Common causes of compartment syndrome include tibial or forearm fractures, ischemic-reperfusion following injury, hemorrhage, vascular puncture, intravenous drug injection, casts, prolonged limb compression, crush injuries and burns.


When compartment syndrome is caused by repetitive heavy use of the muscles, as in a runner, it is known as chronic compartment syndrome (CCS). This is usually not an emergency, but the loss of circulation can cause temporary or permanent damage to nearby nerves and muscle.
= [[Anatomy compartment syndrome|Anatomy]] =


===Medications===
= [[Pathophysiology compartment syndrome|Pathophysiology]] =
[[gadopentetate]]


= Pathophysiology =
= [[Compartmentsyndrome Causes|Causes]] =
Any condition that results in an increase in compartment contents or reduction in a compartment’s volume could lead to the development of an acute compartment syndrome. When pressure is elevated capillary blood flow is compromised. Edema of the soft tissue within the compartment further raises the intra-compartment pressure, which compromised venous and lymphatic drainage of the injured area. Pressure, if further increased in a reinforcing vicious cycle, can compromise arteriole perfusion, leading to further tissue ischemia.


The normal mean interstitial tissue pressure is 25 mmHg (range 20–30 mmHg), and if it is over 50–60 mmHg or below 10mmHg (or below the diastolic blood pressure minus 20–30 mmHg) functional tissue changes can occur e.g tissue necrosis. <ref>http://herkules.oulu.fi/isbn9514265068/html/x167.html</ref>. Arteries and arterioles are stable at these pressures, however the tissues within the compartment dependent on the capillaries for nutrients suffer hypoxia.
= [[Epidemiology and Demographics compartment syndrome|Epidemiology and Demographics]] =


Untreated compartment syndrome mediated ischemia of the muscles and nerves lead to eventual irreversible damage and death of the tissues within the compartment.
= [[Risk Factors compartment syndrome|Risk Factors]] =


= [[Compartmentsyndrome Symptoms and signs|Symptoms and signs]] =
= [[Compartmentsyndrome Symptoms and signs|Symptoms and signs]] =
The 5 "P's" -- Pallor, paresthesias, pressure, paralysis, and pain on passive extension of the compartment-- are useful in recognition in the latter stages of compartment syndrome. Pain is often reported early and almost universally. The description is usually of deep, constant, and poorly localized and is sometimes described as out of proportion with the injury. The pain is aggravated by stretching the muscle group within the compartment. Paresthesia (alterated sensation e.g "pins & needles") in the cutaneous nerves of the affected compartment is another typical sign. Paralysis of the limb are usually late findings. The compartment may feel very tense and firm as well (pressure).  Note that a lack of pulse rarely occurs in patients, as pressures that cause compartment syndrome are often well below arterial pressures.
If any of these occur, return to the Emergency Department immediately, or nearest Hospital.


=[[Compartmentsyndrome Diagnosis|Diagnosis]]=
=[[Compartmentsyndrome Diagnosis|Diagnosis]]=
CCS can be tested for by gauging the pressure within the muscle compartments. If the pressure is sufficiently high, a [[fasciotomy]] may be required.  Usually compartment pressures equal to or greater than 30mmHg implies compartment syndrome. Pressures are measured by a pressure transducer attached to a IV catheter and needle.


= [[Compartmentsyndrome Treatment|Treatment]] =
= [[Compartmentsyndrome Treatment|Treatment]] =
Acute compartment syndrome is a medical emergency requiring immediate surgical treatment known as a [[fasciotomy]] to allow the pressure to return to normal.
Subacute compartment syndrome, while not quite as much of an emergency, usually requires urgent surgical treatment similar to acute compartment syndrome.
Chronic compartment syndrome in the lower leg can be treated conservatively or surgically. Conservative treatment includes rest, anti-inflammatories, and stretching. In cases where symptoms persist the condition should be treated by a surgical procedure, subcutaneous fasciotomy or open fasciectomy <ref>Leversedge FJ, Casey PJ, Seiler 3rd JG, et al. Endoscopically assisted fasciotomy: description of technique and in vitro assessment of lower-leg compartment decompression. Am J Sports Med 2002;30(2):272-8.</ref>. Without treatment chronic compartment syndrome can develop into the acute syndrome <ref>Mubarak SJ, Owen CA, Garfin S, et al. Acute exertional superficial posterior compartment syndrome. Am J Sports Med 1978;6(5):287-90.</ref>. A possible complication of surgical intervention for chronic compartment syndrome can be chronic venous insufficiency.


=[[Compartmentsyndrome Complications|Complications]]=
=[[Compartmentsyndrome Complications|Complications]]=
Failure to relieve the pressure can result in necrosis of tissue in that compartment, since capillary perfusion will fall leading to increasing hypoxia of those tissues.
If left untreated, acute compartment syndrome can lead to more severe conditions including [[rhabdomyolysis]] and [[kidney failure]].


==See also==
==See also==
* [[Volkmann's contracture]]
* [[Volkmann's contracture]]
==References==
{{reflist|2}}


==External links==
==External links==

Latest revision as of 17:34, 17 August 2018

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compartment syndrome
Compartment syndrome
ICD-10 T79.6
ICD-9 729.9, 958.8
DiseasesDB 3028
MedlinePlus 001224
MeSH C05.651.180

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


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