已入深夜,您辛苦了!由于当前在线用户较少,发布求助请尽量完整地填写文献信息,科研通机器人24小时在线,伴您度过漫漫科研夜!祝你早点完成任务,早点休息,好梦!

Risk Factors for Adjacent Segment Degeneration After PLIF

医学 变性(医学) 脊椎滑脱 前凸 小关节 射线照相术 腰椎 外科 病理
作者
Shinya Okuda,Motoki Iwasaki,Akira Miyauchi,Hiroyuki Aono,Masahiro Morita,Tomio Yamamoto
出处
期刊:Spine [Lippincott Williams & Wilkins]
卷期号:29 (14): 1535-1540 被引量:243
标识
DOI:10.1097/01.brs.0000131417.93637.9d
摘要

A retrospective study of 87 patients who underwent posterior lumbar interbody fusion (PLIF) at L4-L5 for L4 degenerative spondylolisthesis.To clarify: 1) the correlation between radiologic degeneration of cranial adjacent segment and clinical results, 2) risk factors for radiologic degeneration of cranial adjacent segment, and 3) preoperative radiologic features of patients who underwent additional surgery with cranial adjacent segment degeneration.Whereas PLIF with pedicle screw fixation has shown satisfactory clinical results, a solid fusion has been reported to accelerate a degenerative change at unfused adjacent levels, especially in the cranial level. Although several authors have reported the adjacent segment degeneration after PLIF, there are no previous reports of risk factors for adjacent segment degeneration after PLIF.Eighty-seven patients who underwent PLIF for L4 degenerative spondylolisthesis and could be followed for at least 2 years were included in this study. We measured lumbar lordosis, scoliosis, laminar inclination angle at L3, facet sagittalization at L3-L4, facet tropism at L3-L4, preexisting disc degeneration at L3-L4, and lordosis at the fused segment. Progression of L3-L4 segment degeneration was defined as a condition in which disc narrowing, posterior opening, and progress of slippage in comparison with preoperative dynamic lateral radiographs. Patients were divided into three groups according to postoperative progression of L3-L4 degeneration: Group 1 with neither progression of L3-L4 degeneration nor neurologic deterioration, Group 2 with progression of L3-L4 degeneration but no neurologic deterioration, and Group 3 with an additional surgery required for neurologic deterioration. Correlation between clinical results and radiologic progression of L3-L4 degeneration, and risk factors for progression of radiologic degeneration were investigated. Further, preoperative radiologic features of Group 3 were studied to detect risk factors for clinical deterioration.There were 58 (67%) patients classified into Group 1, 25 (29%) patients into Group 2, and 4 (4%) patients into Group 3. There was no significant difference in average age in each group. No obvious difference was observed in recovery rate between Groups 1 and 2. Laminar inclination angle and facet tropism in Group 3 were more significant than those in Groups 1 and 2. Further, apparent lamina inclination and facet tropism coexisted in Group 3. There were no obvious differences in other factors between each group.1) There was no correlation between radiologic degeneration of cranial adjacent segment and clinical results. 2) Risk factors for postoperative radiologic degeneration could not be detected in terms of each preoperative radiologic factor. 3) Coexistence of horizontalization of the lamina at L3 and facet tropism at L3-L4 may be one of the risk factors for neurologic deterioration resulting from accelerated L3-L4 degenerative change after L4-L5 PLIF.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
1秒前
1秒前
小凯发布了新的文献求助20
2秒前
生动宛筠发布了新的文献求助10
5秒前
深情安青应助杜一采纳,获得10
6秒前
欢呼傲云发布了新的文献求助10
7秒前
山橘月完成签到,获得积分10
9秒前
10秒前
10秒前
崇林同学完成签到,获得积分10
13秒前
远志完成签到 ,获得积分10
14秒前
15秒前
19秒前
虚幻友瑶完成签到,获得积分10
19秒前
欢呼傲云完成签到,获得积分10
21秒前
xbx1991发布了新的文献求助10
22秒前
杜一发布了新的文献求助10
24秒前
11完成签到 ,获得积分10
27秒前
地德兴完成签到 ,获得积分10
28秒前
29秒前
桐桐应助俊逸海豚采纳,获得10
34秒前
顺心的安珊完成签到 ,获得积分10
37秒前
卡恩完成签到 ,获得积分10
38秒前
英姑应助落叶听风笑采纳,获得10
39秒前
kk完成签到 ,获得积分10
42秒前
SYLH应助火星啵啵采纳,获得10
42秒前
欣喜的鹰发布了新的文献求助20
46秒前
香蕉觅云应助专注的芷蕾采纳,获得10
48秒前
48秒前
杜一完成签到,获得积分20
49秒前
wangchaofk发布了新的文献求助10
49秒前
52秒前
52秒前
52秒前
53秒前
53秒前
哆啦A梦完成签到,获得积分10
56秒前
56秒前
西瓜汁发布了新的文献求助10
56秒前
研友_89eKw8发布了新的文献求助10
56秒前
高分求助中
The Mother of All Tableaux Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 2400
Ophthalmic Equipment Market by Devices(surgical: vitreorentinal,IOLs,OVDs,contact lens,RGP lens,backflush,diagnostic&monitoring:OCT,actorefractor,keratometer,tonometer,ophthalmoscpe,OVD), End User,Buying Criteria-Global Forecast to2029 2000
A new approach to the extrapolation of accelerated life test data 1000
Cognitive Neuroscience: The Biology of the Mind 1000
Cognitive Neuroscience: The Biology of the Mind (Sixth Edition) 1000
Optimal Transport: A Comprehensive Introduction to Modeling, Analysis, Simulation, Applications 800
Official Methods of Analysis of AOAC INTERNATIONAL 600
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3959900
求助须知:如何正确求助?哪些是违规求助? 3506106
关于积分的说明 11127978
捐赠科研通 3238061
什么是DOI,文献DOI怎么找? 1789483
邀请新用户注册赠送积分活动 871803
科研通“疑难数据库(出版商)”最低求助积分说明 803021