Polygonal triple (Kotz) osteotomy in the treatment of acetabular dysplasia - 17 patients (19 hips) with 4-9 years of follow-up

Sener N., Sener N., Tozun I., Boynuk B.

ACTA ORTHOPAEDICA SCANDINAVICA, vol.74, no.2, pp.127-132, 2003 (Journal Indexed in SCI) identifier identifier identifier

  • Publication Type: Article / Article
  • Volume: 74 Issue: 2
  • Publication Date: 2003
  • Doi Number: 10.1080/00016470310013833
  • Page Numbers: pp.127-132


We reviewed 19 hips in 17 patients between 17 and 33 years of age, who underwent a Kotz polygonal triple osteotomy. Their average follow-up was 7 (4.5-9) years. Although 13 patients had less pain after surgery, 3 continued to limp. The average corrections were 36degrees for the center-edge angle, 31degrees for the vertical center-edge angle and 19degrees for Sharp's angle. 3 patients developed transient palsy of the sciatic nerve, and 3 asymptomatic nonunion of the ischium or pubic bone. The degree of arthrosis decreased in 10 hips.