Parallel Proximal Fixation in Rib-Based Growing Rod System

The magnetically controlled growing rod (MCGR) has had approximately 10 years of clinical experience worldwide. Clinical effectiveness to control early-onset scoliosis is consistent even at final surgery. MCGRs have significantly lower relative percentage of infection or wound complications as compared to traditional growing rods. Most common complications include foundation failure and failure of distraction. Contouring of the rod especially at the proximal segment while accommodating for the straight actuator remains a difficult task and its failure may lead to proximal junctional kyphosis. Unique complications of MCGR include clunking, temporary diminishing distraction gains, and metallosis. Temporary reductions in distraction gains are observed as the MCGR lengthens but return to normal baseline distraction gains after rod exchange. Lack of standardization for rod configuration, distraction strategies and decisions of whether to keep the rods in situ, remove without fusion surgery or to perform spinal fusion at skeletal maturity will require further study.

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Early-onset scoliosis: a narrative review

Ruiz

Torres-Lugo

Marrero-Ortiz

et al. 2022

EFORT Open Reviews

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Early-onset scoliosis (EOS) is defined as any spinal deformity that is present before 10 years old, regardless of etiology. Deformity must be evaluated based on the intercorrelation between the lungs, spine, and thorax. Curvatures of early-onset have increased risk of progression, cardiorespiratory problems, and increased morbidity and mortality. Progression of the deformity may produce thoracic insufficiency syndrome, where a distorted thorax is unable to support normal respiratory function or lung growth. Management and treatment of EOS should pursue a holistic approach in which the psychological impact and quality of life of the patient are also taken into consideration. Growth-friendly surgical techniques have not met the initial expectations of correcting scoliotic deformity, promoting thoracic growth, and improving pulmonary function.

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Parallel Proximal Fixation in Rib-Based Growing Rod System

Abstract: 3.

Cited by 4 publications

References 16 publications

Five or more proximal anchors and including upper end vertebra protects against reoperation in distraction-based growing rods

Five or more proximal anchors and including upper end vertebra protects against reoperation in distraction-based growing rods

Current status of the magnetically controlled growing rod in treatment of early-onset scoliosis: What we know after a decade of experience

Early-onset scoliosis: a narrative review

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