Non-Weight Bearing Non-Weight Bearing LamenessLameness

John W. Gray, DVMJohn W. Gray, DVMUTCVM Large Animal InternUTCVM Large Animal Intern

HistoryHistory

• Basic informationBasic information– SignalmentSignalment– Current lamenessCurrent lameness– Past lamenessPast lameness

• Specific Specific informationinformation– Type of activityType of activity– Other info Other info

CausesCauses

• Subsolar abscessSubsolar abscess

• FractureFracture

• Septic joint, tendon Septic joint, tendon sheathsheath

• Penetrating injuryPenetrating injury

• Joint dislocationJoint dislocation

• Cellulitits Cellulitits

• QuittorQuittor

Lateral CartilagesLateral Cartilages

Subsolar AbsessSubsolar Absess

Non Weight Non Weight Bearing LamenessBearing LamenessNon Weight Non Weight Bearing LamenessBearing Lameness

•Usually involves one foot/ legUsually involves one foot/ leg

•Most likely cause is subsolar Most likely cause is subsolar abscessabscess

•Don’t transport until Don’t transport until assessed by your vetassessed by your vet

Subsolar AbscessSubsolar AbscessClinical SignsClinical SignsSubsolar AbscessSubsolar AbscessClinical SignsClinical Signs

• Increased digital Increased digital pulsepulse

• Area of sensitivity in Area of sensitivity in solesole

• Check coronary band Check coronary band for lesion (“Gravel”)for lesion (“Gravel”)

Subsolar AbscessSubsolar AbscessClinical SignsClinical SignsSubsolar AbscessSubsolar AbscessClinical SignsClinical Signs

• SwellingSwelling

• Sudden, severe Sudden, severe lameness (Grade 3-4 of lameness (Grade 3-4 of 5)5)

• Affected foot is warmerAffected foot is warmer

Subsolar Abscess Subsolar Abscess CausesCauses

• Penetrating wound Penetrating wound in white line, nail in white line, nail hole, or deep sub-hole, or deep sub-solar bruisesolar bruise

• Cause is often not Cause is often not identifiedidentified

DiagnosisDiagnosis

• History History

• Clinical signsClinical signs

• Careful paringCareful paring

• Gray/black Gray/black malodorous liquidmalodorous liquid

• RadiographsRadiographs

• Poultice footPoultice foot

• Warm foot bathsWarm foot baths

TreatmentTreatmentTreatmentTreatment

•Establish drainageEstablish drainage•Soak in Epsom salt waterSoak in Epsom salt water•Drawing agentsDrawing agents

– MagnapasteMagnapaste– IchthammolIchthammol– AnimalintexAnimalintex

•Keep CleanKeep Clean•Bandage until defect closedBandage until defect closed•NSAIDsNSAIDs

Subsolar AbscessSubsolar AbscessSubsolar AbscessSubsolar Abscess•Drawing agentsDrawing agents

– Soaking in Epsom SaltsSoaking in Epsom Salts

Subsolar AbscessSubsolar AbscessSubsolar AbscessSubsolar Abscess•Drawing agentsDrawing agents

– Soaking in Epsom SaltsSoaking in Epsom Salts

Subsolar AbscessSubsolar AbscessSubsolar AbscessSubsolar Abscess•Drawing agentsDrawing agents

– Soaking in Epsom SaltsSoaking in Epsom Salts

Subsolar AbscessSubsolar AbscessSubsolar AbscessSubsolar Abscess•Bandage with drawing agentsBandage with drawing agents

– Magna pasteMagna paste– IcthamolIcthamol

Subsolar AbscessSubsolar AbscessSubsolar AbscessSubsolar Abscess•Bandage with drawing agentsBandage with drawing agents

– Magna pasteMagna paste– IcthamolIcthamol

Subsolar AbscessSubsolar AbscessSubsolar AbscessSubsolar Abscess•Bandage with drawing agentsBandage with drawing agents

– Magna pasteMagna paste– IcthamolIcthamol

Subsolar AbscessSubsolar AbscessSubsolar AbscessSubsolar Abscess•Bandage with drawing agentsBandage with drawing agents

– Magna pasteMagna paste– IcthamolIcthamol

Subsolar AbscessSubsolar AbscessSubsolar AbscessSubsolar Abscess•Bandage with drawing agentsBandage with drawing agents

– Magna pasteMagna paste– IcthamolIcthamol

Complicated Complicated AbsessAbsess

Complicated Complicated AbsessAbsess

Complicated Complicated AbsessAbsess

Subsolar AbscessSubsolar AbscessTreatmentTreatment

• If the coffin bone is If the coffin bone is involved…involved…– Regional anesthesia/ Regional anesthesia/

antibioticsantibiotics– Tetanus prophylaxisTetanus prophylaxis– Soak foot in warm Soak foot in warm

Epsom salt solutionEpsom salt solution– Aftercare depends Aftercare depends

on extent of on extent of infection & infection & environmentenvironment

Subsolar AbscessSubsolar AbscessAftercareAftercare

• Shoe w/ removable Shoe w/ removable hospital (boiler or hospital (boiler or medicine) platemedicine) plate

• Antibiotic & Antibiotic & analgesic therapy analgesic therapy is seldom requiredis seldom required

Subsolar AbscessSubsolar AbscessPrognosisPrognosis

• Usually excellent Usually excellent w/ uncomplicated w/ uncomplicated subsolar abscesssubsolar abscess

Questions??Questions??