S2 alar iliacスクリューの折損ならびにセットスクリューの脱転をきたした3例

症例1:79歳男性.L4椎体骨折後の後側弯変形に対してT7から骨盤までの前後方矯正固定術を施行.術後9ヶ月で右S2 alar iliac(S2AI)スクリューネック部での折損が判明,腸骨スクリューを左右2本ずつ追加し再固定した.症例2:72歳女性.T12椎体骨折後の後弯変形に対してT6から骨盤までの後方矯正固定術を施行.術後2ヶ月で両S2AIスクリューネック部での折損が判明,両側S2AIスクリューの再挿入と右S1よりSacral alar iliac screwスクリューを1本追加し再固定した.症例3:77歳男性.腰椎複数回手術に対してT8から骨盤までの前後方矯正固定術を施行.術後1年半で両側...

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Published inJournal of Spine Research Vol. 13; no. 10; pp. 1157 - 1162
Main Authors 岩﨑, 幹季, 長本, 行隆, 髙橋, 佳史, 奥田, 眞也, 古家, 雅之, 松本, 富哉
Format Journal Article
LanguageJapanese
Published 一般社団法人 日本脊椎脊髄病学会 20.10.2022
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ISSN1884-7137
2435-1563
DOI10.34371/jspineres.2022-1010

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Abstract 症例1:79歳男性.L4椎体骨折後の後側弯変形に対してT7から骨盤までの前後方矯正固定術を施行.術後9ヶ月で右S2 alar iliac(S2AI)スクリューネック部での折損が判明,腸骨スクリューを左右2本ずつ追加し再固定した.症例2:72歳女性.T12椎体骨折後の後弯変形に対してT6から骨盤までの後方矯正固定術を施行.術後2ヶ月で両S2AIスクリューネック部での折損が判明,両側S2AIスクリューの再挿入と右S1よりSacral alar iliac screwスクリューを1本追加し再固定した.症例3:77歳男性.腰椎複数回手術に対してT8から骨盤までの前後方矯正固定術を施行.術後1年半で両側のS2AIスクリューのセットスクリュー脱転が判明,SAIスクリューの再挿入と両S1スクリューを追加し再固定した.結語:脊椎インプラントには,骨癒合が得られるまでインプラント連結部の最脆弱部分に応力が集中する.太径で長いS2AIスクリューでも破損を生じうることを認識する必要がある.
AbstractList 症例1:79歳男性.L4椎体骨折後の後側弯変形に対してT7から骨盤までの前後方矯正固定術を施行.術後9ヶ月で右S2 alar iliac(S2AI)スクリューネック部での折損が判明,腸骨スクリューを左右2本ずつ追加し再固定した.症例2:72歳女性.T12椎体骨折後の後弯変形に対してT6から骨盤までの後方矯正固定術を施行.術後2ヶ月で両S2AIスクリューネック部での折損が判明,両側S2AIスクリューの再挿入と右S1よりSacral alar iliac screwスクリューを1本追加し再固定した.症例3:77歳男性.腰椎複数回手術に対してT8から骨盤までの前後方矯正固定術を施行.術後1年半で両側のS2AIスクリューのセットスクリュー脱転が判明,SAIスクリューの再挿入と両S1スクリューを追加し再固定した.結語:脊椎インプラントには,骨癒合が得られるまでインプラント連結部の最脆弱部分に応力が集中する.太径で長いS2AIスクリューでも破損を生じうることを認識する必要がある.
Author 髙橋, 佳史
長本, 行隆
岩﨑, 幹季
松本, 富哉
奥田, 眞也
古家, 雅之
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References 8) Mazur MD, Ravindra VM, Schmidt MH, et al: Unplanned reoperation after lumbopelvic fixation with S-2 alar-iliac screws or iliac bolts. J Neurosurg Spine. 2015; 23: 67-76
1) Elder BD, Ishida W, Lo S-FL, et al: Use of S2-alar-iliac screws associated with less complications than iliac screws in adult lumbosacropelvic fixation. Spine. 2017; 42: E142-E149
5) Ilyas H, Place H, Puryear A: A comparison of early clinical and radiographic complications of iliac screw fixation versus S2 alar iliac (S2AI) fixation in the adult and pediatric populations. J Spinal Disord Tech. 2015; 28: E199-E205
9) Shabtai L, Andras LM, Portman M, et al: Sacral alar iliac (SAI) screws fail 75% less frequently than iliac screws in neuromuscular scoliosis. J Pediatr Orthop. 2017; 37: e470-e475
10) Sohn S, Park TH, Chung CK, et al: Biomechanical characterization of three iliac screw fixation techniques: a finite element study. J Clin Neurosci. 2018; 52: 109-114
7) Lee MC, Jarvis C, Solomito MJ, et al: Comparison of S2-Alar and traditional iliac screw pelvic fixation for pediatric neuromuscular deformity. Spine J. 2018; 18: 648-654
3) Ha AS, Hong DY, Luzzi AJ, et al: Minimum 2-Year Analysis of S2-Alar-Iliac Screw Fixation for Adult Spinal Deformity. Global Spine J. 2021; 2192568220984478
2) Guler UO, Cetin E, Yaman O, et al: Sacropelvic fixation in adult spinal deformity (ASD); a very high rate of mechanical failure. Eur Spine J. 2015; 24: 1085-1091
6) Jain A, Kebaish KM, Sponseller PD: Sacral-alar-iliac fixation in pediatric deformity: radiographic outcomes and complications. Spine Deform. 2016; 4: 225-229
11) Sponseller PD, Zimmerman RM, Ko PS, et al: Low profile pelvic fixation with the sacral alar iliac technique in the pediatric population improves results at two-year minimum follow-up. Spine. 2010; 35: 1887-1892
4) Hyun S-J, Jung J-M, Kim K-J, et al: Durability and failure types of S2-alar-iliac screws: an analysis of 312 consecutive screws. Oper Neurosurg. 2021; 20: 91-97
References_xml – reference: 8) Mazur MD, Ravindra VM, Schmidt MH, et al: Unplanned reoperation after lumbopelvic fixation with S-2 alar-iliac screws or iliac bolts. J Neurosurg Spine. 2015; 23: 67-76
– reference: 1) Elder BD, Ishida W, Lo S-FL, et al: Use of S2-alar-iliac screws associated with less complications than iliac screws in adult lumbosacropelvic fixation. Spine. 2017; 42: E142-E149
– reference: 9) Shabtai L, Andras LM, Portman M, et al: Sacral alar iliac (SAI) screws fail 75% less frequently than iliac screws in neuromuscular scoliosis. J Pediatr Orthop. 2017; 37: e470-e475
– reference: 2) Guler UO, Cetin E, Yaman O, et al: Sacropelvic fixation in adult spinal deformity (ASD); a very high rate of mechanical failure. Eur Spine J. 2015; 24: 1085-1091
– reference: 11) Sponseller PD, Zimmerman RM, Ko PS, et al: Low profile pelvic fixation with the sacral alar iliac technique in the pediatric population improves results at two-year minimum follow-up. Spine. 2010; 35: 1887-1892
– reference: 4) Hyun S-J, Jung J-M, Kim K-J, et al: Durability and failure types of S2-alar-iliac screws: an analysis of 312 consecutive screws. Oper Neurosurg. 2021; 20: 91-97
– reference: 5) Ilyas H, Place H, Puryear A: A comparison of early clinical and radiographic complications of iliac screw fixation versus S2 alar iliac (S2AI) fixation in the adult and pediatric populations. J Spinal Disord Tech. 2015; 28: E199-E205
– reference: 7) Lee MC, Jarvis C, Solomito MJ, et al: Comparison of S2-Alar and traditional iliac screw pelvic fixation for pediatric neuromuscular deformity. Spine J. 2018; 18: 648-654
– reference: 10) Sohn S, Park TH, Chung CK, et al: Biomechanical characterization of three iliac screw fixation techniques: a finite element study. J Clin Neurosci. 2018; 52: 109-114
– reference: 3) Ha AS, Hong DY, Luzzi AJ, et al: Minimum 2-Year Analysis of S2-Alar-Iliac Screw Fixation for Adult Spinal Deformity. Global Spine J. 2021; 2192568220984478
– reference: 6) Jain A, Kebaish KM, Sponseller PD: Sacral-alar-iliac fixation in pediatric deformity: radiographic outcomes and complications. Spine Deform. 2016; 4: 225-229
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Snippet 症例1:79歳男性.L4椎体骨折後の後側弯変形に対してT7から骨盤までの前後方矯正固定術を施行.術後9ヶ月で右S2 alar iliac(S2AI)スクリューネック部での折損が判明,腸...
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StartPage 1157
SubjectTerms インプラント障害
成人脊柱変形
脊椎矯正手術
Title S2 alar iliacスクリューの折損ならびにセットスクリューの脱転をきたした3例
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