Changes of Spinopelvic Parameter using Iliac Screw In Surgical Correction of Sagittal Imbalance Patients (시상면 불균형 환자의 수술적 교정시장골나사 사용유무에 따른 척추골반지표의 변화)

Whoan Jeang Kim (김환정); 지용주; 송대건; 박경훈; 박건영; 성환일; 구제윤; 권원조; Choy， Won-Sik (최원식)

Changes of Spinopelvic Parameter using Iliac Screw In Surgical Correction of Sagittal Imbalance Patients

Journal of Korean Society of Spine Surgery
Abbr : J Kor Spine Sur
2014, 21(2), pp.63-69
Publisher : Korean Society Of Spine Surgery
Research Area : Medicine and Pharmacy > Orthopedic Surgery

Whoan Jeang Kim ¹, 지용주 ², 송대건 ², 박경훈 ², 박건영 ², 성환일 ², 구제윤 ², 권원조 ², Choy， Won-Sik ¹

¹을지대학교
²을지대학교 의과대학 정형외과학교실

Accredited

ABSTRACT

Study Design: A retrospective-based study. Objectives: To evaluate the usefulness of iliac screws in the surgical correction of sagittal imbalance by changes of spinopelvicparameters. Summary of Literature Review: Although reports exist regarding the fusion rates on lumbosacral fusion by iliac screws, no previousstudies address the issue of changes of spinopelvic parameters on surgical correction of sagittal imbalance by iliac screws. Materials and Methods: We analyzed a total of 23 patients who were operated on by pedicle subtraction osteotomy and posteriorfusion on sagittal imbalance. Patients were divided into two groups: 1) non-iliac screw fixation and; 2) iliac screw fixation. The twogroups were compared during the preoperative and postoperative stages, and the last follow-up spinopelvic parameters of two groups. Results: Spinopelvic parameters, except for pelvic incidence, were corrected after surgery; some corrected values of spinopelvicparameters were lost during follow-up. There was a statistically significant difference in the last follow-up period between lumbarlordosis and pelvic tilt. Values of postoperative lumbar lordosis and pelvic tilt was similar to each other; however, during the follow-upperiod corrected values of spinopelvic parameters of non-iliac screw fixation group were more lost. There were no statistically significantchanges in postoperative and last follow-up sacral slope and pelvic incidence. Conclusions: Sagittal imbalance could be corrected by pedicle subtraction osteotomy, and corrected values of lumbar lordosis andpelvic tilt of iliac screw fixation group could be maintained well compared to non-iliac screw fixation. Iliac screw fixation could be usefulfor maintenance of corrected values of spinopelvic parameters in surgical correction of sagittal imbalance. Key Words: Sagittal imbalance, spinopelvic parameter, Surgical correction, Iliac screw

KEYWORDS

Sagittal imbalance, spinopelvic parameter, Surgical correction, Iliac screw

Citation status

* References for papers published after 2023 are currently being built.

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