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Lorne H. Blackbourne-Surgical recall, Sixth Edition 2011.pdf
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694 Section III / Subspecialty Surgery

 

Arthroplasty

Total joint replacement (most last 10 to

 

15 years)

Arthrodesis

Joint fusion with removal of articular

 

surfaces

Osteotomy

Cutting bone (usually wedge resection) to

 

help realigning of joint surfaces

Non-union

Failure of fractured bone ends to fuse

Define each of the

 

following:

 

Diaphysis

Main shaft of long bone

Metaphysis

Flared end of long bone

Physis

Growth plate, found only in immature

 

bone

TRAUMA GENERAL PRINCIPLES

Define extremity examination in fractured extremities.

Which x-rays should be obtained?

How are fractures described?

How do you define the degree of angulation, displacement, or both?

1.Observe entire extremity (e.g., open, angulation, joint disruption)

2.Neurologic (sensation, movement)

3.Vascular (e.g., pulses, cap refill)

Two views (also joint above and below fracture)

1.Skin status (open or closed)

2.Bone (by thirds: proximal/middle/ distal)

3.Pattern of fracture (e.g., comminuted)

4.Alignment (displacement, angulation, rotation)

Define lateral/medial/anterior/posterior displacement and angulation of the distal fragment(s) in relation to the proximal bone

 

 

Chapter 74 / Orthopaedic Surgery 695

Identify each numbered

 

 

structure:

1.

Diaphysis

 

2.

Metaphysis

4

3.

Physis

3

4.

Epiphysis

2

 

 

1

 

 

 

2

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

4

 

 

 

FRACTURES

 

 

 

Define the following

 

patterns of fracture:

 

Closed fracture

Intact skin over fracture/hematoma

Open fracture

Wound overlying fracture, through which

 

 

 

 

 

fracture fragments are in continuity with

 

 

 

 

 

outside environment; high risk of infection

 

 

 

 

 

(Note: Called “compound fracture” in

 

 

 

 

 

the past)

Simple fracture

One fracture line, two bone fragments

Comminuted fracture

Results in more than two bone fragments;

 

 

 

 

 

a.k.a. fragmentation

696 Section III / Subspecialty Surgery

 

Segmental fracture

Two complete fractures with a “segment”

 

in between

 

Segmental fracture

Transverse fracture

Fracture line perpendicular to long axis

 

of bone

Oblique fracture

Fracture line creates an oblique angle

 

with long axis of bone

 

Chapter 74 / Orthopaedic Surgery 697

Spiral fracture

Severe oblique fracture in which fracture

 

plane rotates along the long axis of bone;

 

caused by a twisting injury

Longitudinal fracture

Fracture line parallel to long axis of bone

Impacted fracture

Fracture resulting from compressive force;

 

end of bone is driven into contiguous

 

metaphyseal region without displacement

Pathologic fracture

Fracture through abnormal bone (e.g.,

 

tumor-laden or osteoporotic bone)

Stress fracture

Fracture in normal bone from cyclic

 

loading on bone

Greenstick fracture

Incomplete fracture in which cortex on

 

only one side is disrupted; seen in

 

children

Greenstick fracture

698 Section III / Subspecialty Surgery

 

Torus fracture

Impaction injury in children in which

 

cortex is buckled but not disrupted

 

(a.k.a. buckle fracture)

Avulsion fracture

Fracture in which tendon is pulled from

 

bone, carrying with it a bone chip

Periarticular fracture

Fracture close to but not involving the joint

Intra-articular fracture Fracture through the articular surface of a bone (usually requires ORIF)

Define the following specific fractures:

Colles’ fracture Distal radius fracture with dorsal displacement and angulation, usually from falling on an outstretched hand (a common fracture!)

Smith’s fracture

“Reverse Colles’ fracture”—distal radial

 

fracture with volar displacement and

 

angulation, usually from falling on the

 

dorsum of the hand (uncommon)

 

Chapter 74 / Orthopaedic Surgery 699

Jones’ fracture

Fracture at the base of the fifth

 

metatarsal diaphysis

Bennett’s fracture

Fracture-dislocation of the base of the

 

first metacarpal (thumb) with disruption

 

of the carpometacarpal joint

Bennett’s fracture

Boxer’s fracture

Fracture of the metacarpal neck,

 

“classically” of the small finger

Boxer’s fracture

Nightstick fracture

Ulnar fracture

Clay shoveler’s avulsion Fracture of spinous process of C6–C7 fracture

Hangman’s fracture

Fracture of the pedicles of C2

Transcervical fracture Fracture through the neck of the femur

700 Section III / Subspecialty Surgery

 

Tibial plateau fracture

Intra-articular fracture of the proximal tibia

 

(the plateau is the flared proximal end)

Monteggia fracture

Fracture of the proximal third of the ulna

 

with dislocation of the radial head

Galeazzi fracture

Fracture of the radius at the junction of

 

the middle and distal thirds accompanied

 

by disruption of the distal radioulnar joint

Tibial “plateau” fracture

Proximal tibial fracture

Tibial “plateau” fracture

“Pilon” fracture

Distal tibial fracture

“Pilon” fracture

Pott’s fracture

Fracture of distal fibula

Pott’s disease

Tuberculosis of the spine

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