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ORIGINAL ARTICLE
Year : 2020  |  Volume : 4  |  Issue : 4  |  Page : 199-204

Magnetically controlled growing rods' use for early-onset scoliosis management: A single-center experience


1 Department of Surgery, Division of Orthopedic Surgery, King Abdulaziz Medical City-Riyadh, Ministry of National Guard - Health Affairs; King Abdullah International Medical Research Center, Riyadh, Saudi Arabia
2 Department of Surgery, Division of Orthopedic Surgery, King Abdulaziz Medical City-Riyadh, Ministry of National Guard - Health Affairs; King Abdullah International Medical Research Center; Department of Orthopedic, King Abdullah Specialist Children Hospital, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia

Correspondence Address:
Dr. Samir Alsayegh
King Abdullah Specialist Children Hospital, Ministry of National Guard - Health Affairs, Alrimayah, Riyadh 14611
Saudi Arabia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jmsr.jmsr_50_20

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Objectives: The challenge in treating early-onset scoliosis (EOS) lies behind the nature of the disease and the technical difficulties. Magnetically controlled growing rods (MCGR) provide a noninvasive option of distraction in EOS. This study reports a single-center experience with the system, assessing hardware-related complications, radiological improvement of curves, and need for revision surgeries. Methods: This was a retrospective study of patients who underwent MCGR placement in a single center with a minimum of 2-year follow-up. Patient demographic data, etiology, and pre/postoperative sagittal and coronal plane images were reviewed. Results: Ten patients were analyzed. The mean age at surgery was 5.1 years. The average preoperative coronal curves were 22.9° in upper thoracic, 71.9° in thoracic, and 47.9° in lumbar, and the mean sagittal curves were 20.9 ± 26.6 in thoracic and 41.3 ± 28.1 in lumbar. The mean follow-up was 3.8 years. The average of progression in all planes was monitored in follow-ups, 15.1° (upper thoracic coronal), 41.0° (thoracic coronal), 24.7° (lumbar coronal), 30.8° (thoracic sagittal), and 18° (lumbar sagittal). The mean percentage of improvement was 47% in the main curve. Seven patients had complications, including, three rod malfunction, four screw pullout that was prominent in two patients. Three patients had revisions due to suspected infection and failure of expansion. Conclusions: In this study, MCGR showed promising results where it enabled growth and showed acceptable improvement in the coronal plane with considerably fewer operations and complications. However, all patients had an alteration in the sagittal plane.


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