Classification - ortopaedi.dk · Calcaneus Number of ... Complicated indication for surgery Results...
Transcript of Classification - ortopaedi.dk · Calcaneus Number of ... Complicated indication for surgery Results...
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ClassificationHawkins*Hawkins*----Prognostic Based on Blood FlowPrognostic Based on Blood Flow
Type I non displaced fractures of the
talar neck without dislocation Type II
displaced fracture of the talarneck with sub-luxation ordislocation of the sub-talarjoint
Type III displaced frx of talar neck w/
dislocation of body of talusfrom both subtalar joint andthe ankle joint
Type IV Type III with talonavicular
subluxation or dislocation
**Hawkins LG: JBJS 1970; 52Hawkins LG: JBJS 1970; 52--AA
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Type I – undisplacedTruly undisplaced –rotational?
Conservative treatment
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Type 2
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Subluxed talo-calcanealjoint
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Anterolateral ApproachAnterolateral Approach Anteromedial ApproachAnteromedial Approach
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Blood supply - talus
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Blood supply - talus
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Subtalar joint is the key to success
The goal isanatomical reductionof all talar joints
When joints arereduced – thefracture is reduced
Palpation + imageintensifier is veryaccurate
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Posterolateralapproach Prone position Incision just lateral to
Achilles tendon Palpate and reduce
subtalar joint Fix with to screws
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6 months
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5 months5 months
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Hawkins sign
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Calcaneal fractures
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Sanders classificationCT scanning
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Bøhler vinkel - GissaneGissanes angle
95°-105°
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Reduction is the tricky part Analyze fragments and
plan the reduction Lateral joint Sustentaculum Tuber
Reduce from medial tolateral
Temp fix with multipleK-wires
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Evidence – Based DecisionsBuckley et.al. JBJS(A) 2002; 84: 1733-1744
RCT – Operative vs. Nonoperative Treatment ofDisplaced Intraarticular Calcaneal Fractures
559 patients with > 85% 2 year F/UMulticenter (many surgeons)Indications not the same
Marginal better outcome in selectpopulations of patients with surgery
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Secondary Subtalar FusionSecondary Subtalar Fusion Nonoperative will result
in 1 pt in six needing asubtalar arthrodesis
Operative will result in1 pt in 30 needing asubtalar arthrodesis
5X more likely ifnonoperative, but notall nonoperativepatients will need afusion
Nonoperative will resultin 1 pt in six needing asubtalar arthrodesis
Operative will result in1 pt in 30 needing asubtalar arthrodesis
5X more likely ifnonoperative, but notall nonoperativepatients will need afusion
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Surgical versus nonsurgical treatment ofdisplaced intra-articular calcaneal fracture: ameta-analysis of current evidence base. 2012Aug;36(8):1615-22.
Better recovery of the Böhler angle(P < 0.0001)
Fewer needed increased shoe size(P = 0.0004)
More were able to resume pre-injury work(P = 0.004)
No significant difference regarding theincidence of residual pain (P = 0.49)
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Complications to surgery Hardware OIF (experience) Malposition of screws 5% Loss of fixation (böhler)
Infection Superficial 15% / Deep 2%
Sural nerve 10% Compartment syndrome
1-5% or more ?
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Who needs operation?
Sanders II + dislocation
Sanders III +1 fragment undisplaced
positive negative
Undisplaced
Smoker
Alcohol abuse
Age > 70 years
Sanders III + dislocation
Sanders IV
Böhler angle 0 or neg.
Short hindfoot
Comorbidity eg. IDDMVarus hindfoot
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Take Home Message Talus fracture Reduction is urgent – not fixation Talus neck – talus body – three joints Remember blood supply in sugery
Calcaneus Number of fragments in joint Böhler angle Complicated indication for surgery Results are not fantastic