Summary
Two groups of patients, with an average age of 15 years, have been studied to establish the improvement in pulmonary function after surgical correction in relation to the amount of correction achieved. The first group of 33 patients were treated surgically; an average Cobb angle of 72° was reduced to 32.6°. The second group of 30 patients with an average Cobb angle of 33° were not operated on. Results of tests undertaken have shown that pulmonary function was improved by surgical correction, but the improvement does not match the degree of correction achieved. Statistical analysis of the two groups shows a difference in cardiopulmonary function to the advantage of those who were not operated on. This suggests that there is partial irreversibility of ventilation and perfusion in those who are treated surgically.
Résumé
Le but de ce travail est d'évaluer l'amélioration de la fonction respiratoire aprés correction chirurgicale des courbures scoliotiques. L'étude a porté sur deux groupes distincts de patients, âgés de 15 ans en moyenne. Le premier groupe comportait 33 sujets opérés d'une scoliose de 72° (Cobb), réduite aprés l'intervention à 32.6°. Le deuxième groupe comprenait 30 sujets du même âge avec une scoliose non opérée de 33°. Les paramètres fonctionnels cardio-respiratoires, statiques et dynamiques, ont été mesurés — avant et 24 mois aprés l'opération — par spirométrie et pléthysmographie, par analyse des gaz du sang et par le test de tolérance à l'effort. Les résultats ont montré que la correction de la scoliose améliorait la fonction respiratoire, mais que cette amélioration n'était pas proportionnelle à l'importance de la correction obtenue. L'analyse multivariable et l'analyse discriminatoire des patients opérés et non opérés, avec le même degré de courbure rachidienne, a montré une différence des fonctions cardiopulmonaires en faveur des sujets non opérés. Ces résultats suggèrent une irréversibilité partielle de la ventilation et de la vascularisation chez les patients qui ont été traités chirurgicalement.
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Šakié, K., Pećina, M. & Pavčić, F. Pulmonary function in adolescents with idiopathic scoliosis. International Orthopaedics 16, 207–212 (1992). https://doi.org/10.1007/BF00182695
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DOI: https://doi.org/10.1007/BF00182695