ISOLATED L4-L5 FUSIONS USING THE VARIABLE SCREW PLACEMENT SYSTEM - UNILATERAL VERSUS BILATERAL

被引：78

作者：

KABINS, MB ^{[1
]}

WEINSTEIN, JN ^{[1
]}

SPRATT, KF ^{[1
]}

FOUND, EM ^{[1
]}

GOEL, VK ^{[1
]}

WOODY, J ^{[1
]}

SAYRE, HA ^{[1
]}

机构：

[1] UNIV IOWA,DEPT ORTHOPAED SURG,CTR SPINE DIAGNOST & TREATMENT,IOWA CITY,IA 52242

来源：

JOURNAL OF SPINAL DISORDERS | 1992年 / 5卷 / 01期

关键词：

L4-L5; UNILATERAL FIXATION; BILATERAL FIXATION; AUTOGRAFT; FUSION OUTCOME;

D O I：

10.1097/00002517-199203000-00006

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

Thirty-six patients were retrospectively followed an average of 25.1 months to evaluate the relative effectiveness of unilateral (16 patients) versus bilateral (20 patients) variable screw placement (VSP) instrumentation in isolated L4-L5 fusions. Demographic variables and preoperative diagnoses were similar between treatment groups. Outcome was assessed primarily through evaluation of plain roentgenograms and self-report questionnaires. Use of VSP instrumentation at the L4-L5 level with autogenous posterolateral grafting achieved a successful fusion rate of 97% with minimal complications. Fusion results with unilateral instrumentation were nearly identical to those of bilateral; in both cases, results were better than most historical controls for noninstrumented fusions in situ. Clinical outcome, as obtained through standardized measurement techniques of pain and function, demonstrated 69% excellent and good results. Clinical outcome was similar between treatment groups yet was not significantly related to the fusion status obtained at follow-up.

引用

页码：39 / 49

页数：11

共 52 条

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