Determinants of survival and major amputation after peripheral endovascular intervention for critical limb ischemia.

Determinants of survival and major amputation after peripheral endovascular intervention for critical limb ischemia.
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严重肢体缺血外周血管内介入治疗后生存和大截肢的决定因素。

DOI:
10.1016/j.jvs.2015.04.391
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发表时间:
2015
影响因子:
4.3
通讯作者:
VascularStudyGroupofNewEngland
VascularStudyGroupofNewEngland
中科院分区:
医学2区
文献类型:
--
作者:
Vierthaler,Luke;Callas,PeterW;Goodney,PhilipP;Schanzer,Andres;Patel,VirendaI;Cronenwett,Jack;Bertges,DanielJ;VascularStudyGroupofNewEngland

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目的我们的目的是分析严重肢体缺血 (CLI) 的外周血管内介入治疗 (PVI) 的围手术期和 1 年结果。方法我们回顾了 2010 年 1 月至 2011 年 12 月新英格兰血管研究组 (VSGNE) 内接受 1414 次 PVI 治疗 CLI 的 1244 名患者(静息痛,29%;组织损失,71%)。 使用 Kaplan-Meier 方法分析无截肢生存率 (AFS) 和 1 年无大截肢的情况。使用 Cox 比例风险模型计算风险比 (HR) 和 95% 置信区间 (CI)。 结果 每次手术期间治疗的动脉数量分别为 1 根 (49%)、2 根 (35%)、3 根 (12%) 和 ≥4 根 (5%)。目标动脉段和跨大西洋社会共识分类为主动脉髂动脉,27%(A,48%;B,28%;C,12%;D,12%);股骨-腘窝,48%(A,29%;B,34%;C,20%;D,17%);腘窝下,25%(A,17%;B,14%;C,25%;D,44%)。技术成功率为 92%。并发症包括通路部位血肿(5.0%)、闭塞(0.3%)和远端栓塞(2.4%)。 30 天时死亡率和大截肢率分别为 2.8% 和 2.2%。第一年的总体经皮或开放式再干预率为 8.0%。 1 年时,有静息痛患者的 OS、AFS 和无大截肢率分别为 87%、87% 和 94%,有组织丢失的患者分别为 80%、71% 和 81%。 1 年 OS 降低的独立预测因素(C 指数 = .74)包括透析(HR,3.8;95% CI,2.8-5.1;P< .01)、急诊手术(HR,2.5;95% CI,1.0-6.2;P= .05)、年龄 >80 岁(HR,2.2;95% CI, 1.7-2.8;P< .01),术前不住在家里 (HR,2.0;95% CI,1.4-2.8;P< .01)、肌酐 >1.8 mg/dL(HR,1.9;95% CI,1.3-2.8;P< .01)、充血性心力衰竭(HR,1.7;95% CI,1.3-2.2;P< .01)和慢性β-受体阻滞剂的使用(HR,1.4;95% CI, 1.0-1.9;P= .03),而术前独立行走(HR,0.7;95% CI,0.6-0.9;P= .014)具有保护作用。 1 年时大截肢的独立预测因素 (C指数 = .69) 包括透析 (HR, 2.7; 95% CI, 1.6-4.5;P< .01)、组织损失 (HR, 2.0; 95% CI, 1.1-3.7;P= .02)、既往对侧大截肢 (HR, 2.0; 95% CI, 1.1-3.5;P= .02), 非白种人种(HR,1.7;95% CI,1.0-2.9;P= .045)和男性(HR,1.6;95% CI,1.1-2.6;P= .03),而吸烟(HR,0.60;95% CI,0.4-1.0;P= .042)具有保护作用。结论PVI 后大截肢 CLI 与不同的患者特征相关。透析依赖是一个常见的预测因素,预示着特别糟糕的结果。这些数据可能有助于改善患者选择,并在进一步验证后,为接受 PVI 的 CLI 患者提供风险调整后的结果报告。
ObjectiveOur objective was to analyze periprocedural and 1-year outcomes of peripheral endovascular intervention (PVI) for critical limb ischemia (CLI).MethodsWe reviewed 1244 patients undergoing 1414 PVIs for CLI (rest pain, 29%; tissue loss, 71%) within the Vascular Study Group of New England (VSGNE) from January 2010 to December 2011. Overall survival (OS), amputation-free survival (AFS), and freedom from major amputation at 1 year were analyzed using the Kaplan-Meier method. Cox proportional hazards models were used to calculate hazard ratios (HRs) and 95% confidence intervals (CIs).ResultsThe number of arteries treated during each procedure were 1 (49%), 2 (35%), 3 (12%), and ≥4 (5%). Target arterial segments and TransAtlantic Inter-Society Consensus classifications were aortoiliac, 27% (A, 48%; B, 28%; C, 12%; and D, 12%); femoral-popliteal, 48% (A, 29%; B, 34%; C, 20%; and D, 17%); and infrapopliteal, 25% (A, 17%; B, 14%; C, 25%; D, 44%). Technical success was 92%. Complications included access site hematoma (5.0%), occlusion (0.3%), and distal embolization (2.4%). Mortality and major amputation rates were 2.8% and 2.2% at 30 days, respectively. Overall percutaneous or open reintervention rate was 8.0% during the first year. At 1-year, OS, AFS, and freedom from major amputation were 87%, 87%, and 94% for patients with rest pain and 80%, 71%, and 81% for patients with tissue loss. Independent predictors of reduced 1-year OS (C index = .74) included dialysis (HR, 3.8; 95% CI, 2.8-5.1;P< .01), emergency procedure (HR, 2.5; 95% CI, 1.0-6.2;P= .05), age >80 years (HR, 2.2; 95% CI, 1.7-2.8;P< .01), not living at home preoperatively (HR, 2.0; 95% CI, 1.4-2.8;P< .01), creatinine >1.8 mg/dL (HR, 1.9; 95% CI, 1.3-2.8;P< .01), congestive heart failure (HR, 1.7; 95% CI, 1.3-2.2;P< .01), and chronic β-blocker use (HR, 1.4; 95% CI, 1.0-1.9;P= .03), whereas independent preoperative ambulation (HR, 0.7; 95% CI, 0.6-0.9;P= .014) was protective. Independent predictors of major amputation (C index = .69) at 1 year included dialysis (HR, 2.7; 95% CI, 1.6-4.5;P< .01), tissue loss (HR, 2.0; 95% CI, 1.1-3.7;P= .02), prior major contralateral amputation (HR, 2.0; 95% CI, 1.1-3.5;P= .02), non-Caucasian race (HR, 1.7; 95% CI, 1.0-2.9;P= .045), and male gender (HR, 1.6; 95% CI, 1.1-2.6;P= .03), whereas smoking (HR, .60; 95% CI, 0.4-1.0;P= .042) was protective.ConclusionsSurvival and major amputation after PVI for CLI are associated with different patient characteristics. Dialysis dependence is a common predictor that portends especially poor outcomes. These data may facilitate efforts to improve patient selection and, after further validation, enable risk-adjusted outcome reporting for CLI patients undergoing PVI.
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