Traumatic L5 Posterolateral Spondyloptosis: A Case Report ...
Lumbar Spondylo Listhesis · Spondyloptosis No Surgical Intervention. Bone School @ Bangalore. 16/M...
Transcript of Lumbar Spondylo Listhesis · Spondyloptosis No Surgical Intervention. Bone School @ Bangalore. 16/M...
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Lumbar Spondylo ListhesisDilip Gopalakrishnan
Bone School @ Bangalore
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Non Physiological Translation
Antero listhesis
Retro listhesis
Lateral listhesis
Spondylo listhesis
Bone School @ Bangalore
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38/F
Occasional short duration back pain
No neurological deficit
Spondyloptosis
No Surgical Intervention
Bone School @ Bangalore
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16/M
Disabling back pain
Hamstring tightness
Approaching 50% slip
Dysplastic features
Reduction & inter body fusion
Bone School @ Bangalore
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Spondylo Listhesis Varied clinical presentation
Bone School @ Bangalore
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ClassificationWiltse , Newman , MacNab
Modified by Wiltse & Rothman
Type 1&2 – Anatomic characteristics of the neural arch
Type 3 to 6 - Acquired pathological conditions
Bone School @ Bangalore
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Type-1-Congenital or Dysplastic Spondylolisthesis
Subtype 1A, Horizontal facet joints Spina bifida of L5-S1 Pars intact - Critical narrowing of spinal canal Pars hypoplastic, elongated or broken - No critical
narrowing
Bone School @ Bangalore
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Bone School @ Bangalore
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Type-1-Congenital or Dysplastic Spondylolisthesis Subtype 1B Sagittal malorientaion of the facet joints Intact neural arch
Bone School @ Bangalore
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Bone School @ Bangalore
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Type-1-Congenital or Dysplastic Spondylolisthesis Subtype 1C All other congenital malformation of the lumbosacral junction,
including congenital kyphosis
Bone School @ Bangalore
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Bone School @ Bangalore
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Type-2: Isthmic Spondylolisthesis Subtype 2A Uni or bilateral spondylolysis
Bone School @ Bangalore
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Bone School @ Bangalore
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Type-2: Isthmic Spondylolisthesis Subtype 2B Elongation of pars interarticularis
Bone School @ Bangalore
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Type 3: Degenerative Spondylolisthesis
Bone School @ Bangalore
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Type 4: Traumatic SpondylolisthesisBone School @ Bangalore
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Type 5: Pathologic Spondylolisthesis
Polymyositis and Osteomalacia
Bone School @ Bangalore
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Type 6: Post Surgical Spondylolisthesis Following extensive facet joint removal Stress fracture of weakened inferior articular process
Bone School @ Bangalore
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Marchetti & BartolozziDevelopmental
Low Dysplastic
High Dysplastic Lysis or Elongation
Acquired
Exotic
Bone School @ Bangalore
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Bone School @ Bangalore
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20% -FDR
2:1 F to M
Never seen
Very high incidence
Bone School @ Bangalore
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Gymnastics, Throwing sports, Football,Wrestling, Dance, Swimming breast and butterfly strokes
Bone School @ Bangalore
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Presentation – Lysis & Low Grade Listhesis
Back pain – commonDullBackButtockPosterior thighGreater trochanter
Pars defectUnstable vertebral segmentDisc degeneration
Bone School @ Bangalore
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Radicular lower extremity painLittle or no back pain
L5 or S1 rootParesthesiaweakness(Isthmic)
Bone School @ Bangalore
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Physical Signs Back tenderness – not specific Step sign – only in grade 3 or greater Painful limitation of extension Restricted SLR Neurological deficits
Bone School @ Bangalore
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Female
Skeletal immaturity
High grade slip
Lumbo sacral kyphosis
Disc degeneration
Bone School @ Bangalore
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Associated Conditions Spina bifida occulta
Reactive sclerosis/fracture of contralateral pedicle
Scoliosis
Abnormal disc on MRI
20-70% - Isthmic 40% - Dysplastic
5-7% of all patients Long C shaped Reflex spasm Rarely structural – asymmetric
slippage at LS junction, apex
Bone School @ Bangalore
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Meyerding
Slip Angle
Bone School @ Bangalore
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Management Spondylolysis
Low grade listhesis
High grade listhesis
Degenerative listhesis
Bone School @ Bangalore
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Spondylolysis
Bone School @ Bangalore
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Acute Pars Fracture
Rest
Bracing
Bone School @ Bangalore
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Surgical Treatment
Young individuals (16-30)No evidence of DDDLow back pain onlyLesion at L4 or above
Direct pars repair
Bone School @ Bangalore
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Bone School @ Bangalore
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Conservative treatment in Young Patients for LGSL
25 % slip – asymptomatic Radiographic evaluation Activity modification
Bone School @ Bangalore
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Surgical indication in young patients Failure of conservative treatment – 1yr Tight hamstring with abnormal gait Sciatic scoliosis Progressive neurologic deficit Progressive slipping beyond 25-50% even when
asymptomatic
Bone School @ Bangalore
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Conservative treatment - adultsDo not automatically assume that the patients
symptoms are due to the spondylo listhesislook for other causes Short period of rest with rapid return to activities Pain medications No scientific evidence for bracing Exercise – Flexion,Stabilization,Stretching
Bone School @ Bangalore
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Surgical TreatmentSix months of conservative treatment fails to improve symptomsMRIDynamic LS spine filmsDiscographySelective nerve root blockFacet/Pars block
Bone School @ Bangalore
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Bone School @ Bangalore
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Bone School @ Bangalore
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Bone School @ Bangalore
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Bone School @ Bangalore
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Degenerative SL Neurogenic claudication Canal stenosis Back pain Decompression IT or IB fusion
Bone School @ Bangalore
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Bone School @ Bangalore
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High Grade Spondylolisthesis
Meyerding345Optosis
Bone School @ Bangalore
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High Dysplastic Lumbo Sacral Kyphosis
Trapezoidal L5
Dome shaped S1 UEP
Pelvic retroversion Hyper lordosis Dysplastic posterior elements High risk of slip
progression
Bone School @ Bangalore
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Lumbo Pelvic Parameters
Pelvic IncidencePI=PT+SS
Bone School @ Bangalore
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High SS/Low PTBalanced Pelvis
Low SS/High PTRetroverted Pelvis
Hresko, Labelle, Rousoully - 2005
SS
PT
Bone School @ Bangalore
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Pediatric – Growing Years Adult
Symptomatic HGSBone School @ Bangalore
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Symptomatic HGS – Growing Years Back pain Sagittal plane imbalance Phalen dixon sign Radicular pain
Cauda equina
Surgical Intervention
Bone School @ Bangalore
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High Dysplastic HGS – Growing Years 50% or greater slip Dysplastic features Lumbo sacral kyphosisWith minimal or no symptoms
Still an indication for fusion
Bone School @ Bangalore
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High Grade Spondylo listhesis
No one right way of management
Bone School @ Bangalore
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Surgical Management In situ fusion
Reduction and fusion
Resection
360o
Posterior approach Combined
Complete Partial
Bone School @ Bangalore
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In Situ Fusion Un instrumented
Instrumented
Postero lateral 360 o
Trans vertebral
Bone School @ Bangalore
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In Situ – Trans Vertebral - Bohlman
Auto ,Allo – FibulaHollow Modular ScrewCage
Pedicle screw instrumentation
+
24/25 extremely satisfied patients in SRS questionnaire, Rick. C.Sasso 2007
Bone School @ Bangalore
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Reduction Correction of
Pelvic retroversion
Lumbosacral kyphosis (slip angle)
Partial reduction
Complete correction of translation not required
Improving the biomechanical milieu for fusion
Bone School @ Bangalore
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Reduction Inter body & Postero lateral
fusion
Anterior column support –Cage
Pedicle screw instrumentation
Extension to L4
Extension to S2
Iliac screws
Bone School @ Bangalore
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Bone School @ Bangalore
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L 5 Root
Bone School @ Bangalore
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Successful Outcome Solid Fusion
Bone School @ Bangalore
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L5 VertebrectomyGaines & Nichols SpondyloptosisWith severe symptomatic sagittal imbalance
Spinal shortening surgery
Bone School @ Bangalore
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Bone School @ Bangalore
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Asymptomatic HGS In Adults Good sagittal balance Distorted posture Bony stabilization – spontaneous fusion
Back pain or radicular pain – Proximal lumbar pathology
Bone School @ Bangalore
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Symptomatic HGS in Adults Acceptable sagittal balance
with 3,4, 5
Sagittal imbalance symptomatic
Spondyloptosis
In situ instrumented fusion –PL + Gill laminectomy
Partial reduction and instrumented fusion – 360o, Gill + Sacral dome resection
Bohlman transvertebralfusion, sacral dome resection + Gill & instrumentation
Do not be obsessed with radiological correction
Good decompression & Solid fusion
Bone School @ Bangalore
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Summary - LGS Low dysplastic features Back pain , radicular pain Conservative or surgical In situ fusion , Reduction with Instrumented –IT or IB
Stenotic symptoms in DSLDecompression and fusion
Bone School @ Bangalore
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Summary - HGS High dysplastic features Symptomatic in growing years – risk of progression Need surgical intervention Reduction and inter body fusion with instrumentation Correction of lumbosacral kyphosis & pelvic retroversion L5 root injury Full reduction of anterior slip not required In situ trans vertebral fusion Gaines procedure In adults cause of pain may be elsewhere
Bone School @ Bangalore