• Redoine Zahi, Raphaël Vialle, Kariman Abelin, Pierre Mary, Nejib Khouri, and Jean-Paul Damsin.
• Department of Paediatric Orthopaedics, Armand Trousseau Hospital, Pierre and Marie Curie Paris6 University, Paris Cedex 12, France.
• Childs Nerv Syst. 2010 Jan 1;26(1):81-6.

PurposeThe results of a prospective series of 62 patients treated for neuromuscular spinal deformities with spinopelvic fixation using iliosacral screws are presented and discussed.MethodsSixty-two consecutive patients diagnosed with neuromuscular disorders were prospectively included. Pelvic obliquity and other angular parameters were measured.ResultsMean age was 15.2 years (11.9 to 19.2 years). Spinal deformity was a thoracolumbar curve in 36 cases, a lumbosacral curve in 14 cases, a lumbar curve in four cases, and a combined thoracic and lumbar curve in eight cases. Lumbo-pelvic correction was done using two different strategies. In 15 patients with a normal frontal spinopelvic balance, the two rods were extended directly down to the iliosacral screws. In 47 patients with pelvic obliquity, iliosacral screws were linked to two short rods. The correction was then corrected by distraction and contraction maneuvers applied between the long and short rods. Postoperative angular parameters showed a good correction of spinal deformity in both groups. Patients with preoperative pelvic obliquity had a satisfactory and stable correction at final follow-up.ConclusionsThe technique of pelvic fixation using iliosacral screws and connectors reduce difficulties and operative time due to the complicated three-dimensional bending of the rods for proper placement within the ilium. In patients with preoperative pelvic imbalance, a powerful pelvic anchorage as the iliosacral fixation allowed to use intraoperative reduction maneuvers. Despite the high rate of infectious complications in our patients, we think that our technique provided effective and improved spinal correction for patients with neuromuscular scoliosis.

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