BIOMECHANICAL STUDY ON LOCKED RECONSTRUCTION PLATE FOR INTERNAL FIXATION OF TRANSVERSE AND POSTERIOR WALL ACETABULAR FRACTURE_Chinese Journal of Reparative and Reconstructive Surgery

Authors：

MAAiguo ¹ , PEIBaorui ² , PANGZhiyin ² , FUJiuyang ² , CHENGuofu ² , LIUBin ² , XUBowen ² ,  WUXiaobo ³

1. Department of Orthopaedics and Traumatology, the Second People's Hospital of Tangshan, Tangshan Hebei, 063000, P.R.China;
2. School of Graduate, North China University of Science and Technology;
3. Department of Orthopaedics and Traumatology, the Third Affiliated Hospital of Hebei Medical University;

Corresponding?author：

WUXiaobo, Email: drwuxiaobo@foxmail.com

Keywords：

Transverse and posterior wall acetabular fracture; Locked reconstruction plate; Biomechanics

DOI：

10.7507/1002-1892.20160277

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Objective To discuss the biomechanical stability of locked reconstruction plate for internal fixation of transverse and posterior wall acetabular fracture so as to provide a reliable basis for clinical application. Methods The models of transverse and posterior wall acetabular fracture were established in 16 anti-corrosion acetabular specimens from 8 adult cadavers, which were randomly divided into experimental group and control group (n=8). Fracture was fixed with 10-hole posterior column locked reconstruction plate in the experimental group, and with 10-hole posterior column reconstruction plate combined with anterior column lag screw and posterior wall screws in the control group. Biomechanical testing machine was used for loading of 5/6 donor body mass the specimen in a speed of 15 N/s; the loading time was calculated and vertical loading.The longitudinal and quadrilateral body displacements of fracture were recorded to compare the biomechanical stability was performed. Results The quadrilateral body displacement of the experimental group[(1.99±0.32) mm] was greater than that of the control group[(1.75±0.22) mm], but there was no significant difference (t=-1.735, P=0.105). The longitudinal displacement[(1.56±049) mm] and the displacement of the posterior wall fracture block[(0.86±0.33) mm] in the experimental group were lower than those of the control group[(1.64±0.51) and (1.01±0.35) mm], showing no significant difference between 2 groups (t=0.293, P=0.772; t=1.516, P=0.154). Conclusion For transverse and posterior wall acetabular fracture, application of locked reconstruction plate can provide sufficient biomechanical stability, reduce the risk of screw placement to acetabular joints.

Citation： MAAiguo, PEIBaorui, PANGZhiyin, FUJiuyang, CHENGuofu, LIUBin, XUBowen, WUXiaobo. BIOMECHANICAL STUDY ON LOCKED RECONSTRUCTION PLATE FOR INTERNAL FIXATION OF TRANSVERSE AND POSTERIOR WALL ACETABULAR FRACTURE. Chinese Journal of Reparative and Reconstructive Surgery, 2016, 30(11): 1354-1357. doi: 10.7507/1002-1892.20160277 Copy

1.	Zaltz I, Baca G, Kim YJ, et al. Complications associated with the periacetabular osteotomy: a prospective multicenter study. J Bone Joint Surg (Am), 2014, 96(23): 1967-1974.
2.	Tannast M, Najibi S, Matta JM. Two to twenty-year survivorship of the hip in 810 patients with operatively treated acetabular fractures. J Bone Joint Surg (Am), 2012, 94(17): 1559-1567.
3.	張育鋒, 鐘志剛, 沈暉揚, 等.髖臼邊緣壓縮骨折的手術治療.中國矯形外科雜志, 2015, 23(10): 944-946.
4.	董伊隆, 錢約男, 黃祥祥, 等.髖臼骨折不同臺階狀移位及程度對髖關節接觸特性的影響.解剖學報, 2015, 46(6): 802-806.
5.	Feng X, Zhang S, Luo Q, et al. Definition of a safe zone for antegrade lag screw fixation of fracture of posterior column of the acetabulum by 3D technology. Injury, 2016, 47(3): 702-706.
6.	Sen RK, Tripathy SK, Aggarwal S, et al. A safe technique of anterior column lag screw fixation in acetabular fractures. Int Orthop, 2012, 36(11): 2333-2340.
7.	簡爭光, 許運, 史勇, 等.鎖定鋼板固定修復側方壓縮旋轉不穩骨盆環損傷:骨盆穩定性重建.中國組織工程研究, 2015, 19(48): 7776-7783.
8.	Olson SA, Bay BK, Pollak AN, et al. The effect of variable size posterior wall acetabular fractures on contact characteristics of the hip joint. J Orthop Trauma, 1996, 10(6): 395-402.
9.	Shazar N, Brumback RJ, Novak VP, et al. Biomechanical evaluation of transverse acetabular fracture fixation. Clin Orthop Relat Res, 1998, (352): 215-222.
10.	Wu X, Chen W, Zhang Q, et al. The study of plate-screw fixation in the posterior wall of acetabulum using computed tomography images. J Trauma, 2010, 69(2): 423-431.
11.	吳嘯波, 張奇, 郭明珂, 等.髖臼后柱骨折不同方式鋼板內固定的穩定性研究.第三軍醫大學學報, 2010, 32(7): 665-668.
12.	李思漢.我國北方地區成人各類體型不同身高的體重正常值的探討.營養學報, 1986, 8(2): 98-109.
13.	Sawaguchi T, Brown TD, Rubash HE, et al. Stability of acetabular fractures after internal fixation. A cadaveric study. Acta Orthop Scand, 1984, 55(6): 601-605.
14.	Giordano V, Do Amaral NP, Pallottino A, et al. Operative treatment of transverse acetabular fractures: is it really necessary to fix both columns? Int J Med Sci, 2009, 6(4): 192-199.
15.	Marintschev I, Gras F, Schwarz CE, et al. Biomechanical comparison of different acetabular plate systems and constructs-the role of an infra-acetabular screw placement and use of locking plates. Injury, 2012, 43(4): 470-474.
16.	張功林, 葛寶豐.鎖定鋼板國外應用進展.中國骨傷, 2009, 22(8): 643-645.
17.	張秋林, 唐昊, 王秋根, 等.鎖定加壓重建鋼板在髖臼骨折中的應用.中華關節外科雜志(電子版), 2008, 2(2): 14-17.
18.	Liu XM, Pan CW, Wang GD, et al. Finite element analysis of the stability of combined plate internal fixation in posterior wall fractures of acetabulum. Int J Clin Exp Med, 2015, 8(8): 13393-13397.

1. Zaltz I, Baca G, Kim YJ, et al. Complications associated with the periacetabular osteotomy: a prospective multicenter study. J Bone Joint Surg (Am), 2014, 96(23): 1967-1974.
2. Tannast M, Najibi S, Matta JM. Two to twenty-year survivorship of the hip in 810 patients with operatively treated acetabular fractures. J Bone Joint Surg (Am), 2012, 94(17): 1559-1567.
3. 張育鋒, 鐘志剛, 沈暉揚, 等.髖臼邊緣壓縮骨折的手術治療.中國矯形外科雜志, 2015, 23(10): 944-946.
4. 董伊隆, 錢約男, 黃祥祥, 等.髖臼骨折不同臺階狀移位及程度對髖關節接觸特性的影響.解剖學報, 2015, 46(6): 802-806.
5. Feng X, Zhang S, Luo Q, et al. Definition of a safe zone for antegrade lag screw fixation of fracture of posterior column of the acetabulum by 3D technology. Injury, 2016, 47(3): 702-706.
6. Sen RK, Tripathy SK, Aggarwal S, et al. A safe technique of anterior column lag screw fixation in acetabular fractures. Int Orthop, 2012, 36(11): 2333-2340.
7. 簡爭光, 許運, 史勇, 等.鎖定鋼板固定修復側方壓縮旋轉不穩骨盆環損傷:骨盆穩定性重建.中國組織工程研究, 2015, 19(48): 7776-7783.
8. Olson SA, Bay BK, Pollak AN, et al. The effect of variable size posterior wall acetabular fractures on contact characteristics of the hip joint. J Orthop Trauma, 1996, 10(6): 395-402.
9. Shazar N, Brumback RJ, Novak VP, et al. Biomechanical evaluation of transverse acetabular fracture fixation. Clin Orthop Relat Res, 1998, (352): 215-222.
10. Wu X, Chen W, Zhang Q, et al. The study of plate-screw fixation in the posterior wall of acetabulum using computed tomography images. J Trauma, 2010, 69(2): 423-431.
11. 吳嘯波, 張奇, 郭明珂, 等.髖臼后柱骨折不同方式鋼板內固定的穩定性研究.第三軍醫大學學報, 2010, 32(7): 665-668.
12. 李思漢.我國北方地區成人各類體型不同身高的體重正常值的探討.營養學報, 1986, 8(2): 98-109.
13. Sawaguchi T, Brown TD, Rubash HE, et al. Stability of acetabular fractures after internal fixation. A cadaveric study. Acta Orthop Scand, 1984, 55(6): 601-605.
14. Giordano V, Do Amaral NP, Pallottino A, et al. Operative treatment of transverse acetabular fractures: is it really necessary to fix both columns? Int J Med Sci, 2009, 6(4): 192-199.
15. Marintschev I, Gras F, Schwarz CE, et al. Biomechanical comparison of different acetabular plate systems and constructs-the role of an infra-acetabular screw placement and use of locking plates. Injury, 2012, 43(4): 470-474.
16. 張功林, 葛寶豐.鎖定鋼板國外應用進展.中國骨傷, 2009, 22(8): 643-645.
17. 張秋林, 唐昊, 王秋根, 等.鎖定加壓重建鋼板在髖臼骨折中的應用.中華關節外科雜志(電子版), 2008, 2(2): 14-17.
18. Liu XM, Pan CW, Wang GD, et al. Finite element analysis of the stability of combined plate internal fixation in posterior wall fractures of acetabulum. Int J Clin Exp Med, 2015, 8(8): 13393-13397.

Chinese Journal of Reparative and Reconstructive Surgery

BIOMECHANICAL STUDY ON LOCKED RECONSTRUCTION PLATE FOR INTERNAL FIXATION OF TRANSVERSE AND POSTERIOR WALL ACETABULAR FRACTURE

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