Marcio Fagundes Goethel*, Pedro Filipe Pereira Da Fonseca, Felipe Lopes, Ricardo Acacio Dos Santos, Rodrigo Fetter Lauffer, Carlos Henrique Macaneiro, Roberto Garcia Goncalves, Victor Oliveira De Matos, Caio Henrique Amorim Chaves, Saulo Terror Giesbrecht and Joao Paulo Vilas-Boas
Study design: Retrospective case series including patient outcome assessment.
Objective: To study the safety and the efficacy of the Spine call spinal fixation system in comparison with similar series.
Background: The purpose was to determine the safety and the efficacy of a system which has been widely used in Brazil for over 15 years.
Methods: A total of 76 consecutive patients were treated by posterior instrumentation and arthrodesis from 2011 through 2017. Safety was evaluated by complications, reoperation type and occurrence. Efficacy was studied by the incidence of deformity corrections.
Results: There were no deaths, spinal cord or nerve root problems, or acute posterior wound infections. Proven pseudo-arthrosis occurred in one patient (1.3%) and in two cases was necessary debridement to remove infected tissue (2.6%). The implant-related reoperation rate was 1.3%, where an increased curvature was observed. The break of one screw (0.07% per screw) was reported, which did not lead to the need for reoperation. The largest Cobb angle averaged 57° pre-operative and 20.7° at latest follow-up, which means a 63.3% correction (p<0.001).
Conclusions: Spinecall spinal fixation system seems to be at least as safe and effective as other instrumentations as used for the surgical treatment of adolescent idiopathic scoliosis.
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