Hemothorax overview: Difference between revisions
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==Overview== | ==Overview== | ||
Hemothorax is a collection of blood in the space between the chest wall and the lung (the [[pleural cavity]]). | Hemothorax is a collection of blood in the space between the chest wall and the lung (the [[pleural cavity]]). | ||
==Pathophysiology== | |||
A hemothorax is a condition that results from blood accumulating in the [[pleural cavity]]. Its cause is usually traumatic, from a blunt or penetrating injury to the [[thorax]], resulting in a rupture of either of the [[serous membrane]] lining the [[thorax]] and covering the [[lungs]]. This rupture allows blood to spill into the [[pleural space]], equalizing the pressures between it and the lungs. Blood loss may be massive in people with these conditions, as each side of the [[thorax]] can hold 30%-40% of a person's blood volume. If left untreated, the condition can progress to a point where the blood accumulation begins to put pressure on the [[mediastinum]] and the [[Vertebrate trachea|trachea]], effectively limiting the amount of [[diastolic]] filling of the [[ventricle (heart)|ventricles]] and deviating the [[trachea]] to the unaffected side. | |||
==Treatement== | |||
===Surgery=== | |||
A hemothorax is managed by removing the source of [[bleeding]] and by draining the [[blood]] already in the [[thoracic cavity]]. Blood in the cavity can be removed by inserting a drain ([[chest tube]]) in a procedure called a tube thoracostomy. Patients should recover swiftly after this. However, if the cause is rupture of the [[aorta]] in high energy trauma, the intervention by a [[thoracic]] [[surgeon]] is mandatory. | |||
===Primary Prevention=== | |||
Use safety measures (such as seat belts) to avoid injury. Depending on the cause, a hemothorax may not be preventable. | |||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
Revision as of 15:46, 31 January 2013
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Hemothorax is a collection of blood in the space between the chest wall and the lung (the pleural cavity).
Pathophysiology
A hemothorax is a condition that results from blood accumulating in the pleural cavity. Its cause is usually traumatic, from a blunt or penetrating injury to the thorax, resulting in a rupture of either of the serous membrane lining the thorax and covering the lungs. This rupture allows blood to spill into the pleural space, equalizing the pressures between it and the lungs. Blood loss may be massive in people with these conditions, as each side of the thorax can hold 30%-40% of a person's blood volume. If left untreated, the condition can progress to a point where the blood accumulation begins to put pressure on the mediastinum and the trachea, effectively limiting the amount of diastolic filling of the ventricles and deviating the trachea to the unaffected side.
Treatement
Surgery
A hemothorax is managed by removing the source of bleeding and by draining the blood already in the thoracic cavity. Blood in the cavity can be removed by inserting a drain (chest tube) in a procedure called a tube thoracostomy. Patients should recover swiftly after this. However, if the cause is rupture of the aorta in high energy trauma, the intervention by a thoracic surgeon is mandatory.
Primary Prevention
Use safety measures (such as seat belts) to avoid injury. Depending on the cause, a hemothorax may not be preventable.