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Degenerative retrolisthesis: is it a compensatory mechanism for sagittal imbalance

DC Field Value Language
dc.contributor.author김, 제중-
dc.date.accessioned2015-10-29T02:07:28Z-
dc.date.available2015-10-29T02:07:28Z-
dc.date.issued2015-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/11850-
dc.description.abstractStudy Design: Retrospective analysis of a prospectively collected patient database.

Objective: to investigate the spinopelvic morphology and global sagittal balance of

degenerative retrolisthesis, and to determine whether retrolisthesis is a result of spinopelvic morphology or a compensatory mechanism of global sagittal balance.

Summary of Background Data: We investigated the spinopelvic morphology and global sagittal balance of patients with a degenerative retrolisthesis or anterolisthesis. A total of 269 consecutive patients with a degenerative spondylolisthesis were included in this study.

There were 95 men and 174 women with a mean age of 64.3 years (SD 10.5; 40 to 88). A total of 106 patients had a pure retrolisthesis(R group), 130 had a pure anterolisthesis (A group), and 33 had both (R+A group).

Results: A backward slip was found in the upper lumbar levels (mostly L2 or L3) with an almost equal gender distribution in both the R and R+A groups. The pelvic incidence and sacral slope of the R group were significantly lower than those of the A (both p < 0.001) and R+A groups (both p < 0.001). The lumbar lordosis of the R+A group was significantly

greater than that of the R (p = 0.025) and A groups (p = 0.014). The C7 plumb line of the R group was located more posteriorly than that of the A group (p = 0.023), but was no different from than that of the R+A group (p = 0.422). The location of C7 plumb line did not differ between the three groups (p = 0.068). The spinosacral angle of the R group was significantly

smaller than that of the A group (p < 0.001) and R+A group (p < 0.001).

Conclusions: Our findings imply that there are two types of degenerative retrolisthesis: one occurs primarily as a result of degeneration in patients with low pelvic incidence, and the other occurs secondarily as a compensatory mechanism in patients with an anterolisthesis and high pelvic incidence.
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dc.description.tableofcontentsABSTRACT ⅰ

TABLE OF CONTENTS ⅲ

LIST OF FIGURES ⅳ

LIST OF TABLES ⅴ

Ⅰ. INTRODUCTION 1

Ⅱ. MATERIALS AND METHODS 4

Ⅲ. RESULTS 8

Ⅳ. DISCUSSION 13

Ⅴ. CONCLUSION 17

REFERENCES 18

국문요약 22
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dc.language.isoen-
dc.titleDegenerative retrolisthesis: is it a compensatory mechanism for sagittal imbalance-
dc.title.alternative퇴행성 척추후방전위 : 시상 불균형에 대한 보상작용으로 발생하는가-
dc.typeThesis-
dc.identifier.urlhttp://dcoll.ajou.ac.kr:9080/dcollection/jsp/common/DcLoOrgPer.jsp?sItemId=000000019034-
dc.subject.keywordspinopelvic morpgology-
dc.subject.keywordsagittal balance-
dc.subject.keyworddegerative retrolistesis-
dc.subject.keywordanterolisthess-
dc.subject.keywordpelvic incidience-
dc.subject.keyword척주골반 형태-
dc.subject.keyword시상균형-
dc.subject.keyword척추 후방전위증-
dc.subject.keyword척추 전방전위증-
dc.subject.keyword골반 입사각-
dc.description.degreeMaster-
dc.contributor.department대학원 의학과-
dc.contributor.affiliatedAuthor김, 제중-
dc.date.awarded2015-
dc.type.localTheses-
dc.citation.date2015-
Appears in Collections:
Theses > School of Medicine / Graduate School of Medicine > Master
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