Hydration properties of the lumbar intervertebral discs in AIS after surgical correction:five years follow-up and comparison with an age-matched control group

Kariman Abelin-Genevois (1) , Eva Polirststok (2) , Erik Estivalèzes (3) , Jérôme Briot (3) , Annick Sevely (4) , Jérôme Sales de Gauzy (4) , Pascal Swider (3)

1 CMCR des Massues
2 CHRU Nancy - Centre Hospitalier Régional Universitaire de Nancy
3 Laboratoire de biomécanique
4 CHU Toulouse - Centre Hospitalier Universitaire de Toulouse

We compared disc hydration properties of adolescent idiopathic scoliosis before and 5 years after spinal fusion with an age-matched control group. We conducted a prospective MRI follow-up of 23 patients. Disc and nucleus volumes were reconstructed on T2 weighted sequence. In the scoliotic group, vd and vn were lower than control group, hydration ratio (Vn/Vd) was lower. After surgery, subjacent discs rehydrated. AIS induces a loss of IVD hydration. Surgical correction can reverse homeostasis disturbances related to spinal deformity.

Mots clés: Hydration properties; Lumbar intervertebral discs; Surgical correction

Domaines: Ingénierie biomédicale

Kariman Abelin-Genevois, Eva Polirststok, Erik Estivalèzes, Jérôme Briot, Annick Sevely, et al.. Hydration properties of the lumbar intervertebral discs in AIS after surgical correction:five years follow-up and comparison with an age-matched control group. EPOS 34th Annual Meeting, Apr 2015, Marseille, France. pp.32-33, ⟨10.1007/s11832-015-0637-0⟩. ⟨hal-03662160⟩