지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 563 - 568 (6page)
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초록· 키워드
오류제보하기
Study Design: Retrospective analysis of prospectively collected data. Purpose: To assess the relative advantages of implant constructs with and without pedicle screws in the concave apex for correcting scoliosis. Overview of Literature: Concave apical pedicles in scoliosis can be narrow and dysplastic. Neural structures also migrate toward concavity, leaving little room for error while inserting pedicle screws into the concave apex. Methods: Patients (n=35) undergoing scoliosis surgery from September 2004 to September 2009 with minimum 5-year follow-up period were included. Exclusion criteria were pseudarthrosis, implant failure, infection, anterior release surgery, corrective osteotomies, incomplete data, constructs not involving anchors at the apex of the curve, and kyphoscoliosis. Curves were classified into two groups as follows: group A, with screws alone anchoring the convex apex and the correction performed from the convex side and group B, with screws anchoring the concave apex with or without convex apex purchase and the correction performed from the concave side. Results: Twenty-two of 35 patients were selected. In these patients, 29 individual curves were selected and classified into groups A (n=15) and B (n=14). Both groups were comparable in terms of age, sex, and etiology (idiopathic and nonidiopathic). However, group A had larger (68.53°±26.29°) and more rigid (29.04%±18.22% flexibility) curves than group B (50.14°±16.89° with 49.87%±25.01% flexibility) (two-tailed p <0.05). Despite this, the immediate postoperative correction was comparable between the two groups (A, 57.98%±16.28%; B, 62.76%±13.13%; two-tailed p =0.39). Interestingly, group A showed significantly better results in terms of the gain of instrumented correction over and above preoperative flexibility (A, 28.94%±8.51%; B, 12.89%±23.06%; two-tailed p =0.03). There was no statistically significant difference in the correction percentage of sagittal profile between the two groups and in the loss of correction at follow-up or Scoliosis Research Society-22 scores. Conclusions: Present study could not demonstrate any advantages associated with use of apical concave pedicle screws.
목차
등록된 정보가 없습니다.
참고문헌 (15)
참고문헌 신청
Lenke LG / 2008 / Rationale behind the current state-of-the-art treatment of scoliosis (in the pedicle screw era) / Spine (Phila Pa 1976) 33:1051~1054
Sarwahi V / 2014 / Prevalence, distribution, and surgical relevance of abnormal pedicles in spines with adolescent idiopathic scoliosis vs. no deformity: a CT-based study / J Bone Joint Surg Am 96:e92
Modi HN / 2008 / Accuracy and safety of pedicle screw placement in neuromuscular scoliosis with free-hand technique / Eur Spine J 17:1686~1696
Schwab F / 2015 / The comprehensive anatomical spinal osteotomy classification / Neurosurgery 76(Suppl 1):S33~S41
Panjabi MM / 1976 / Threedimensional flexibility and stiffness properties of the human thoracic spine / J Biomech 9:185~192
Sarwahi V / 2014 / Prevalence, distribution, and surgical relevance of abnormal pedicles in spines with adolescent idiopathic scoliosis vs. no deformity: a CT-based study / J Bone Joint Surg Am 96:e92
Modi HN / 2008 / Accuracy and safety of pedicle screw placement in neuromuscular scoliosis with free-hand technique / Eur Spine J 17:1686~1696
Schwab F / 2015 / The comprehensive anatomical spinal osteotomy classification / Neurosurgery 76(Suppl 1):S33~S41
Panjabi MM / 1976 / Threedimensional flexibility and stiffness properties of the human thoracic spine / J Biomech 9:185~192
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