FRACTURES - National University
Transcript of FRACTURES - National University
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FRACTURES
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OBJECTIVES
By end of lecture student identify following :-
Definition and causes of fractures
Classifications of fractures
Assessment\ Diagnosis
emergency management
complications
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FRACTURES
A fracture is a break in the continuity of bone.
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Direct force.
Crushing forces.
Sudden twisting motions.
Extreme muscle contractions.
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Classifications of fracture
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a)According to extent break of bone:(
1)Complete fracture:-
The break is across the entire width of the bone in such a way that the bone is divided into two distinct sections
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2)Incomplete fracture:- The fracture does not divide the bone into two
portion, because the break is through only
part of the bone
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(b)According to soft tissue damage
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CLOSED (SIMPLE)
skin (mucous membranes) not broken
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OPEN (COMPOUND):DIVIDED INTO
Grade I
Least severe injury, skin damage is minimal.
Grade II
Open fracture is accompanied by skin and muscle contusion
Grade III
Most severe injury, skin damage’ muscle, nerve tissue, and blood vessels’.
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OPEN (COMPOUND
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(c)According to shape of bone
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1.TRANSVERSE
Transverse : straight across the bone.
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2.oblique
Oblique : at an angle across the bone
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3.GREENSTICK
Greenstick: one side of the bone is broken and
the other side is bent.
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4.SPIRAL
Spiral : twists around the shaft of the bone.
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5.Comminuted
Comminuted : bone splintered into more than
three fragments.
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6.Depressed
Depressed : fragments are driven inward (seen in
fractures of the skull and facial bones).
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Impacted
Impacted : fragment of bone wedged into other
bone fragment.
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CLINICAL MANIFESTATIONS
Swelling from local hemorrhage, ----)Deformity1 muscles spasm ”limb shortening”
edema may appear----)Swelling2
from subcutaneous ----)Bruising ”ecchymosis”3bleeding
)Muscles spasm4
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)Pain5
)Tenderness6
from pain, and nerve ----)Loss of function7
damage.
caused by ----)Abnormal mobility& crepitus8
fracture fragments rubbing together
result from ----changes Nurovascular)9
damage of peripheral nerves
bone fragments may lacerate ----)Shock10
blood vessels
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Diagnostic evaluation
and other imaging studies to determine ray-X
integrity of bone.
Blood studies [CBC]
may show decreased hemoglobin level and hematocrit. in blood loss and extensive muscle damage
Arthroscopy: to detect joint involvement.
Angiography if associated with blood vessel injury.
Nerve conduction and electromyogram: studies to detect nerve injury
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Immobilize the body part before the patient is
moved.
Adequate splinting, including joints adjacent to
the fracture, is essential.
Immobilization of the long bones of the lower
extremities may be accomplished by bandaging
Legs together, with the unaffected extremity
serving as a splint for the injured one the
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.
In an upper extremity injury, the arm may be
bandaged to the chest, at an injured forearm may
be placed in a sling.
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With an open fracture, the wound is covered with a
clean (sterile) dressing to prevent contamination of
deeper tissues.
The clothes are gently removed, first from the
uninjured side of the body and then from the
injured side.
The fractured extremity is moved as little as
possible to avoid more damage.
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The management process is a three-step
process:
.1Reduction : setting the bone; refers to
restoration of the fracture fragments into
anatomic position and alignment
.2Immobilization : maintains reduction until
bone healing occurs
.3Rehabilitation : regaining normal function of
the affected part
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Approaches to management
(1) Closed reduction
(2)Traction
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(1) CLOSED REDUCTION
(Cast).
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(2)Traction
Pulling force applied to accomplish and
maintain reduction and alignment
Used for fractures of long bones.
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Techniques of traction
-Skin traction:
force applied to the skin using foam rubber, tape.
Skeletal traction:-
force applied to the bony skeleton directly, using
wires, pins. or tongs placed into or through the bone
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Complications of fractures
Muscle atrophy.
Loss of ROM
Pressure sores
Psychosocial compromise
D VT
Infection
Shock
Pulmonary emboli
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