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Bone hemostasis is the process of controlling the bleeding from bone. Bone is a living vascular organ containing channels for blood and bone marrow . [ 1 ] When a bone is cut during surgery bleeding can be a difficult problem to control, especially in the highly vascular bones of the spine and sternum .
External bleeding is generally described in terms of the origin of the blood flow by vessel type. The basic categories of external bleeding are: Arterial bleeding: As the name suggests, blood flow originating in an artery. With this type of bleeding, the blood is typically bright red to yellowish in colour, due to the high degree of oxygenation.
There are a range of characteristics of open fractures as the severity of the injury can vary greatly. Most open fractures are characterized by a broken bone that is sticking out of the skin, but there can also be a broken bone that is associated with a very small "poke-hole" skin wound. Both of these injuries are classified as open fractures. [7]
Hemostasis occurs when blood is present outside of the body or blood vessels. It is the innate response for the body to stop bleeding and loss of blood. During hemostasis three steps occur in a rapid sequence. Vascular spasm is the first response as the blood vessels constrict to allow less blood to be lost.
An ankle fracture is a break of one or more of the bones that make up the ankle joint. [1] Symptoms may include pain, swelling, bruising , and an inability to walk on the injured leg. [ 1 ] Complications may include an associated high ankle sprain , compartment syndrome , stiffness, malunion , and post-traumatic arthritis .
Age, bone type, drug therapy and pre-existing bone pathology are factors that affect healing. The role of bone healing is to produce new bone without a scar as seen in other tissues which would be a structural weakness or deformity. [2] The process of the entire regeneration of the bone can depend on the angle of dislocation or fracture.
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An open fracture (or compound fracture) is a bone fracture where the broken bone breaks through the skin. [2] A bone fracture may be the result of high force impact or stress , or a minimal trauma injury as a result of certain medical conditions that weaken the bones, such as osteoporosis , osteopenia , bone cancer , or osteogenesis imperfecta ...