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Magec rods the new frontier for early onset scoliosis

A brief explanation about the MAGEC Rods and their new frontier for early-onset scoliosis by Mr. Jwalant S Mehta. He is a consultant spinal surgeon specialising in spinal deformity corrections and treatment of all spinal conditions.

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Magec rods the new frontier for early onset scoliosis

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  1. MAGEC Rods: The new frontier for Early OnsetScoliosis Jwalant S.Mehta MBBS, D Orth, MS(Orth), MCh Orth, FRCSOrth Consultant SpineSurgeon Bromsgrove Private Clinic The Royal OrthopaedicHospital Spine ParkwayHospital BMI The Priory Hospital

  2. Early Onset Scoliosis(EOS) Scoliosis with age of onset under 10 years, regardless ofaetiology Skaggs et al EOS Consensus Statement SRS Growing Spine Committee2015

  3. Principles oftreatment allow scoliosis curve correction / control without fusion so that spinal growth and thus thoracic and lung growth can continue Cobb angle: curvemagnitude T1 S1: trunkheight

  4. Traditional Growing Rod(TGR) • Harrington,Luque • Pedicle basedfoundations • Unfusedapex • Rods into a‘connector’ Multiple ‘planned’ returns totheatre Frequency of lengthening (6mo)

  5. Akbarnia et al Spine2008 Cobbangle T1S1

  6. MCGR: Magnetically Controlled GrowingRods

  7. MAG netic ExpansionControlMAGEC

  8. MAGEC roddimensions • Actuator cannot bebent • Shorter actuatoroption • 4.5; 5.0 and 5.5 roddiameters • Standard andoffset

  9. DistractionClinics • Nurse-led • 3 monthlydistractions • 6 monthlyradiographs • Compliance

  10. External Remote Controller:ERC

  11. Tailgate Clunk • Maximaldistraction • Torque at230Nm • Patientacceptance • Submaximal • Normal T1/S1 1.62cmpa

  12. Radiationexposure

  13. Cobb T1S1

  14. Earlyexperiences

  15. Indications Contra-indication • EOS • MRIrequirements • Approachingmaturity • Skeletallyimmature • Progression despitebracing

  16. 9 yrF 10yrpre 6 mo,2L 10yrpost T1S1 320 54 T1S1 338 Cobb 66 T1S1 370 Cobb 43 T1S1 376 Cobb 43 Cobb

  17. MCGR:Benefits • Non- invasivelengthening • Noanaesthesia • Out-patientsetting • Bettercompliance • Variablefrequency

  18. Law of diminishingreturns amount of length achieved decreases onrepeated lengtheningepisodes

  19. MCGR:Problems • Very small & very largepatients • Sagittalprofile • Jammed rod (pin fracture) • Metallosis • MRIcompatibility

  20. Magnetically controlled growing rods: • 2012–15 2 yfollowup age 6 yr 10mon • 235 lengtheningepisodes • Mechanical failures in 14 /28 • 6 finalfusion • 8 morelength • True failures 8 / 28(29%)

  21. Definitive fusion 15yrs Thoracic 21º Lumbar 09º T1 S1 38.6cm 14yrs Thoracic 42º Lumbar 11º T1 S1 38.9cm 7yrs Thoracic 46º Lumbar 40º T1 S1 27.7cm 12yrs Thoracic 25º Lumbar 12º T1 S1 31.2cm

  22. Contact us • Royal Orthopaedic Hospital • BMI The Priory Hospital • Spire Parkway Hospital • Bromsgrove Private Clinic

  23. Contact and Connect • Clinical secretary: SamanthaLeavy +44 785 021 1939 • Medico-legal secretary: JanClarke +44 121 4508928 • Spire Parkway Hospital:0121 704 5500 • BMI NEC (National Enquiry Centre): 0808 101 0337 • Email: info@mehtaspine.co.uk • The appointments are booked through the clinic

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