• Chirurgie · Jan 1996

    [Surgical treatment of deformities of the thoracic and lumbar spine by posterior spinal osteotomy].

    • J P Benazet, B Chamberlin, J Y Lazennec, and G Saillant.
    • Service d'orthopédie-Traumatologie, Hôpital de la Pitié Salpêtrière, Paris.
    • Chirurgie. 1996 Jan 1;121(8):616-21.

    AbstractFrom 1987 to 1993, we performed spinal osteotomy with posterior closing-wedge using a single-operation technique in 20 patients with kyphosis. Spinal deformity resulted from mal union after spinal injury in 13 patients and from ankylosing spondylarthritis in 7. Mean duration of the procedure was 4 h 15 min (range 2 h 30 min to 7 h) for mal union and 3 hours (2 h 30 to 4 h) for ankylosing spondylarthritis. Intraoperative blood loss was estimated at 1.8 liters (0.5-4) and 1 liter (0.5-1.5) respectively. Osteotomy was performed at L3 in all cases of spondylarthritis with a mean 30 degrees correction (24-37 degrees) which was maintained after 5 to 18 months follow-up (mean 10 months). For mal union, the mean angular correction was better and more stable after 3 to 84 months (mean 23 months) for the thoracic or thoraco-lumbar segments than for the lumbar spine. Functional results were excellent or good for 11 patients, acceptable for 1 and poor for 1. Three patients with recurrent radiculalgia with mal union were cured after the operation while the neurological status of the paraplegic patients remained unchanged. There were no fatal complications nor neurological or vascular complications among the 20 patients. There were 4 complications in patients with an abnormal callus including 3 mechanical complications and one deep infection. For spondylarthritis, there were no complications at maximum follow-up.

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