Abstract
Adolescent idiopathic scoliosis (AIS) is a lateral curvature of the spine with a Cobb angle of at least 10° with an unknown etiology. It is recognized that AIS may affect respiratory function. This study aims to describe and compare respiratory function in a case series of patients with scoliosis who underwent different types of therapeutic management: no intervention, orthotic brace, and global postural reeducation (GPR). Fifteen AIS patients were included in this study (seven no intervention, four orthotic brace and four GPR). Lung function and inspiratory muscle strength were measured and analyzed, as well as sociodemographic, clinical, and anthropometric variables. Significant correlations were observed between height (cm) and maximum inspiratory pressure (MIP) reference (cmH2O) and forced vital capacity (FVC) (liters) (r = 0.650 and r = 0.673, respectively; p < 0.01); weight (Kg) and MIP reference (cmH2O) (r = 0.727; p < 0.01); and Main curve degrees (Cobb angle) and FVC% (r = −0.648; p < 0.01). The AIS cases that underwent GPR treatment presented a greater MIP (% predictive) compared to the no intervention and brace cases (201.1% versus 126.1% and 78.4%, respectively; p < 0.05). The results of this case series show a possible relation whereby patients undergoing treatment with the GPR method have greater inspiratory muscle strength compared to the no intervention and brace cases. Studies with larger samples and prospective designs must be performed to corroborate these results.
Highlights
The process of ossification and volumetric growth of the spine is long-lasting, beginning in the third month of intrauterine life and lasting until the second decade of life
Adolescent idiopathic scoliosis (AIS) is characterized by an unknown etiology and a lateral deviation by a Cobb angle of at least 10◦ [2,3]
It is recognized that AIS may affect respiratory function
Summary
The process of ossification and volumetric growth of the spine is long-lasting, beginning in the third month of intrauterine life and lasting until the second decade of life. More than 130 growth plates working in perfect synchronization are involved in spinal growth. Idiopathic scoliosis (IS) is an evolutive growth plate disorder that produces negative effects on the growing spine [1]. Puberty is a turning point in children with IS as the pubertal growth spurt increases the risk of deformity progression [1]. Adolescent idiopathic scoliosis (AIS) is the most common form of scoliosis in children between 10 and 18 years of age (80–85% of recorded cases). AIS is characterized by an unknown etiology and a lateral deviation by a Cobb angle of at least 10◦ [2,3]
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