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- K Styblo, G T Bossers, and G H Slot.
- Acta Orthop Scand. 1985 Aug 1;56(4):294-7.
AbstractTwenty-two patients suffering from progressive kyphosis due to ankylosing spondylitis underwent one or more lumbar osteotomies during 1957-1983. The primary thoracic kyphosis was 80 degrees (45 degrees-155 degrees). The mean correction obtained by one level osteotomy was 44 degrees (30 degrees-60 degrees). The mean loss of correction after 3 years was 5 degrees. The use of internal fixation reduced the loss of correction from 9 degrees to 1 degree, also allowing ambulatory after-care and a shorter period of immobilization in plaster or jackets. We had no fatal and relatively few non-fatal complications; three cases of retrograde ejaculation were observed however. All the patients reported subjective respiratory improvement.
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