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ISSN: 2165-7939

Journal of Spine
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  • Research Article   
  • J Spine 2017, Vol 6(6): 401
  • DOI: 10.4172/2165-7939.1000401

A Minimum of Two Years Results of Magnetically Controlled Growing Rods for Early Onset Scoliosis

Burstein J1,2, Rupprecht M1,2, Kunkel P3, Spiro AS1,2, Hagemann C3, Vettorazzi E4, Stücker R1,2 and Ridderbusch K1,2*
1Discipline of Pharmacology, School of Pharmacy, University of the Western Cape, Bellville 7535, South Africa
2Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Germany
3Department of Pediatric Neurosurgery, Altona Children's Hospital, , Hamburg, Germany
4Department of Medical Biometry and Epidemiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
*Corresponding Author : Ridderbusch K, Department of Pediatric Orthopaedics, Altona Children's Hospital, Hamburg, Germany, Tel: 00494088908382, Email: [email protected]

Received Date: Dec 04, 2017 / Accepted Date: Dec 12, 2017 / Published Date: Dec 16, 2017


Objectives: To determine mid-term results and complications of a single center on magnetically controlled growing rod (MCGR) technique in Early Onset Scoliosis (EOS). Recently a number of preliminary reports about safety and effectiveness of MCGR have been published. We present a minimum of two years follow up of the MCGR treatment. All patients were treated in one center with the same protocol.

Methods: 22 patients with EOS of different etiologies underwent primary surgical treatment with MCGR in double rod technique. There were 15 female and 7 male patients. Average age at surgery was 8.8 (range 4.6-14.3). Mean follow-up was 31 (24-46) months. Cobb angle changes, T1-T12 and T1-S1 length were calculated. Results were analyzed to measure correction of spinal deformity and gain in spinal length.

Results: The mean preoperative curve measured 61° (40-96) and improved to 28° (11-53) (p<0.001) after surgery. At follow-up the Cobb angle was further reduced to 26° (11-64) (p=0.54). The T1-T12- as well as the T1-S1- length increased significantly (p<0.001). The average preoperative thoracic kyphosis decreased from 44° (-32-86) to 28° (9-50) after surgery, respectively to 35° (8-62) at time of FU. Four patients developed a junctional kyphosis. Three of them had to be revised. One patient developed a lumbar “adding on”, one patient a deep wound infection and in another patient a screw pullout occurred that all required revision.

Conclusion: The study supports that the MCGR is an efficient and safe technique to treat EOS. Morbidity and complications are less than treatment with conventional GR´s. After 2 years transcutaneous lengthening is still possible without loss of correction and autofusion has not yet been detected.

Keywords: Scoliosis; Non-fusion techniques; MCGR; Early onset scoliosis

Citation: Burstein J, Rupprecht M, Kunkel P, Spiro AS, Hagemann C, et al. (2017) A Minimum of Two Years Results of Magnetically Controlled Growing Rods for Early Onset Scoliosis. J Spine 6: 401. Doi: 10.4172/2165-7939.1000401

Copyright: © 2017 Burstein J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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