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Common Ankle Injuries
Susan M. Ott DO, FACSM Team physician Course
Miami, Florida 2013
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Skin Injuries
Contusions Lacerations
Beware tendinous or ligamentous injury
Blisters Rare but not impossible
Insect bites Frequently become infected
Infection
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Skin Injuries: Treatment
Contusions: RICE, activity modification, protect injured area
Lacerations: protect from infection Blisters: protect from becoming worse and
infection, eliminate the cause Insect bites: protect from becoming infected Infection: treat with appropriate antibiotics
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Ankle Sprains
One of the most common injuries in sport
Accounts for 40% of all athletic injuries
53% of basketball injuries
29% of soccer injuries
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Ankle Sprains: General stats
More than 3 million per year in “at risk populations”
Peak incidence ages between 15 and 19 Males between 15-24 higher incidence than
females Females over 30 higher incidence than males
Nearly half (49.3%) occur during athletics Basketball>football>soccer
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Ankle Sprains
The inversion sprain Most common ankle sprain accounting for
75% of all ankle injuries No difference in incidence between males
and females in 15-19 age group The classic “rolled ankle”
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Ankle Sprains
Inversion sprain First the Anterior TaloFibular Ligament (ATFL)
is injured 2/3rds of ankle sprains are an isolated ATFL
injury Second the CalcaneoFibular Ligament (CFL) Take much higher forces to injure the CFL
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Ankle Sprains: Classification
Grade I Ligament stretch not so much a tear Minimal pain and swelling No instability
Grade II Torn ATFL Intact CFL
Grade III Torn ATFL and CFL
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Ankle Sprains: Treatment
Most recover with conservative care Rest Ice Bracing/compression Early weight bearing Physical therapy Prevent another injury
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Ankle Sprains: Treatment
Grade III Compared primary repair, casting and
functional bracing Return to work was faster in the functionally
treated group Functionally treated group did better than those
with primary surgical repair
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Ankle Sprains
Prevention Taping/Bracing
Helps prevent second injury in those who have already had a sprain
Both braces and tape loose some effectiveness with activity (Stretch. become loose)
Rehabilitation Proprioception, neuromuscular training,
strength
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Ankle Sprains
The eversion sprain Deltoid ligament injury Much less common Check the proximal
fibula Check the
syndesmosis
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Ankle Sprains
The high ankle sprain Syndesmotic sprain Forced external rotation, dorsiflxion and
axial load While relatively uncommon overall can be
seen in gymnasts landing a trick short Offensive lineman pushing off
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Ankle Sprains
Syndesmotic injuries Associated with deltoid ligament injury Tender over the sydesmosis Squeeze test Cotton test: attempt to move the talus laterally Stress radiograph in plantar flexion and external
rotation Syndesmotic widening radiographically
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Ankle Sprains
Subtalar injury Often seen with an
ankle sprain 10% of those with
chronic lateral ankle instability with have subtalar instability
Covered in the foot lecture
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Ankle sprains
Ottawa ankle rules: when to x-ray Boney pain at the base of the 5th metatarsal,
medial or lateral malleoli Inability to bear weight immediately after the
injury and for four steps in the ER Reduced cost in one ER by 3 million dollars per
100,000 patients Of those xrayed by the Ottawa ankle rules 22%
had a fracture
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Ankle Sprains
SOFAR study, Ottawa ankle rules with US Evaluated with US if the OAR applied Also evaluated with xray Pts treated according to xray findings Blinded to xray results and vice versa US missed one fx due to the operator not
scannning the fibula high enough Promising technology
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Chronic ankle instability
Recurrent ankle sprains Chronic ankle pain Patients often have failed PT and bracing Some of my happiest patients once
stabilized Chronic pain and swelling Can have intra-articular pathology
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Chronic Instablilty
Resultant instability from repeated sprains On PE anterior drawer and talar tilt Stress radiographs Anterior drawer: 10mm of anterior tibial
translation Talar tilt 9 degrees
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Case
Former collegiate gymnast with history of multiple ankle sprains
Complains of recurrent sprains and chronic pain
Unable to participate in running Has daily pain with ADL MRI read “normal” PE: with anterior and lateral instability with
swelling over the anterolateral joint line
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Talar tilt radiograph
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Anterior drawer radiograph
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Chronic instability
Over 80 described surgical procedures Anatomic repair
Direct late repair Shorten and repair the ATFL and CFL
Non anatomic repair Tendon routing procedures to reconstruct the
damaged ligaments
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Chronic Instability
Patients often have other pathology Ankle impingment lesion Peroneal pathology Loose bodies Synovitis Osteochondral lesions Osteophytes
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Ankle impingement syndrome
Anterior ankle pain with dorsiflexion Boney or soft tissue lesion Anterior osteophyte Palpable boney or soft tissue lesion Conservatively try to limit dorsiflexion by
either heel lift or soft dorsiflexion block taping
Rest, NSAIDs
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Ankle impingement syndrome
Can be excised arthroscopically “Meniscoid” lesion:
Cartilaginous transformation of a ruptured ATFL Vs.
Synovitis
Post Op High good-excellent long term outcome (92-87%)
Routine ankle rehab protocol
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Ankle impingement syndrome
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Ankle impingement syndrome
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Ankle Fractures
Another common injury
Will see many in the non athletic population
Lots of classification systems
Used to determine treatment
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Ankle Fractures
Making sense of ankle films Make sure you have good films As an orthopedist its not good enough just to
know if its broken or not Need AP, lateral and mortise views Lateral malleolar, bimallelor, trimalleolar medial
malleolar, posterior malleolar fractures, Pilon Talus injuries/fractures Decisions based on knowledge of stability of the
fracture
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Ankle Fractures
Avulsion fractures MOI same as inversion
ankle sprain Ligament pulls a piece
of bone off Can treat in an aircast
and early weight bearing
PT when healed
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Ankle Fractures
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Ankle Fractures
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Ankle fractures
Fibular fracture with medial clear space widening
Avulsion off the posterior tibia Needs surgical intervention ORIF of the fibula Be prepared to fix the deltoid ligament Be prepared for syndesmotic screw
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Ankle Fractures
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Ankle Fractures
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Ankle Fractures
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Ankle Fractures
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Ankle Fractures
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Ankle Fractures
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Ankle Fractures
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Ankle Fractures: Peds
They will often times fracture at the physis (Salter I) rather than sprain
Special fractures Juvenile fracture of Tillaux: Salter III fracture of
the distal tibial epiphysis Triplane fracture: Multiplanar salter IV fracture
of the distal tibia
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Ankle fracture case
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Ankle fracture case
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Ankle Talar dome injuries
Talar dome injuries The ankle sprain that
does not get better Often do not show up
on the initial films Several different
staging clssifications
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Ankle: Talar Dome Injuries
Does the lesion involve the subchondral bone
Is there a free fragment If so is it loose Can it be repaired or
will it heal on its own
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Ankle: Talar Dome Injuries
Cheng et al developed the following arthroscopic staging system
Stage A - Smooth, intact, but soft or ballotable; stable
Stage B - Rough surface; stable Stage C - Fibrillation/fissuring; stable Stage D - Flap present or bone exposed; unstable Stage E - Loose, undisplaced fragment; unstable Stage F - Displaced fragment; unstable
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Other Differential
Tumor Infection Neuropathy Radiculopathy Bone bruise
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Ankle Injuries
Things you do not want to miss Maissoneuves injury Fracture of the base of the 5th metatarsal Subluxing peroneal tendons Stress fracture Achilles injury Talar dome injury or osteochondritis Proximal fibula fracture