Iliac Pedicle Wedge Graft as a New Modification for Iliac Osteotomies in Young Adolescents: A Single-blind Randomized Clinical Trial

Document Type : RESEARCH PAPER

Authors

1 Department of Orthopaedics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

2 Department of Orthopaedics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

3 Department of Orthopaedics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran Students Research Committee (Center), Isfahan University of Medical Sciences, Isfahan, Iran

Abstract

Background: Iliac osteotomies in adolescent patients may accompany graft related difficulties such as graft absorption
and delayed union. A new modification of iliac osteotomies has been proposed to address these difficulties.
Methods: A total of 24 consecutive hip joints in 21 juvenile or adolescent patients who were candidate for salter or
triple pelvic osteotomy were included. A modification was performed to harvest a wedged bone graft based on a muscle
pedicle of Tensor Fascia Lata and inserted at pelvic osteotomy site instead of a traditional graft technique. The hips
were randomized into two groups. The traditional wedge graft was used in group 1, while the new modification was
performed in group 2. The primary outcome of this study was duration of union. The secondary outcomes were Center
Edge Angle (CE) Angle on pre-operation, immediately post-operation and at the end of follow-up.
Results: Both groups were similar statistically regarding their age, gender , estimated blood loss and the duration of
follow-up. However, significant differences were found in the time to complete union between the two groups (P=0.03).
CE angle decreased in both groups when comparing its last follow-up to its right postoperative values, but the decrease
was significant only in group 1(P=0.03). The type of surgery (Salter or TPO) had no significant effect on the average
time to union. That shows faster union in pedicle graft group and less coverage loss during follow-up period than
conventional graft patients.
Conclusion: With the modification proposed , the healing at the osteotomy site was faster and the loss of correction,
owing to the graft resorption, decreased. Using this pedicle wedge graft technique may improve the results of pelvic
osteotomies in adolescent.
Level of evidence: II

Keywords

Main Subjects

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The Archives of Bone and Joint Surgery
Volume 7, Issue 4
July 2019
Pages 331-338

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History

  • Receive Date: 16 August 2017
  • Revise Date: 27 November 2017
  • Accept Date: 11 July 2018

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