Infragenicular Stent Implantation for Below-the-Knee Atherosclerotic Disease: Clinical Evidence from an International Collaborative Meta-Analysis on 640 Patients

Purpose: To report a systematic review of the literature published on the outcomes of stenting for below-the-knee disease in patients with critical limb ischemia (CLI). Methods: Potentially relevant studies of stent implantation in the infragenicular arteries in ≥5 patients with ≥1-month follow-up w...

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Veröffentlicht in:Journal of Endovascular Therapy 2009-06, Vol.16 (3), p.251-263
Hauptverfasser: Biondi-Zoccai, Giuseppe G.L., Sangiorgi, Giuseppe, Lotrionte, Marzia, Feiring, Andrew, Commeau, Philippe, Fusaro, Massimiliano, Agostoni, Pierfrancesco, Bosiers, Marc, Peregrin, Jan, Rosales, Oscar, Cotroneo, Antonio R., Rand, Thomas, Sheiban, Imad
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container_issue 3
container_start_page 251
container_title Journal of Endovascular Therapy
container_volume 16
creator Biondi-Zoccai, Giuseppe G.L.
Sangiorgi, Giuseppe
Lotrionte, Marzia
Feiring, Andrew
Commeau, Philippe
Fusaro, Massimiliano
Agostoni, Pierfrancesco
Bosiers, Marc
Peregrin, Jan
Rosales, Oscar
Cotroneo, Antonio R.
Rand, Thomas
Sheiban, Imad
description Purpose: To report a systematic review of the literature published on the outcomes of stenting for below-the-knee disease in patients with critical limb ischemia (CLI). Methods: Potentially relevant studies of stent implantation in the infragenicular arteries in ≥5 patients with ≥1-month follow-up were systematically sought in BioMedCentral, ClinicalTrials.gov, The Cochrane Collaboration Register of Controlled Trials (CENTRAL), Google Scholar, and PubMed. Data were abstracted and pooled with a random-effect model to generate risk estimates with 95% confidence intervals (CI). Interaction tests were performed to compare different stent types. A risk of bias assessment was conducted separately, as were appraisals for small study bias, statistical heterogeneity, and inconsistency. Results: Eighteen nonrandomized studies were retrieved comprising 640 patients. After a median follow-up of 12 months, binary in-stent restenosis occurred in 25.7% (95% CI 11.6% to 40.0%), primary patency in 78.9% (95% CI 71.8% to 86.0%), improvement in Rutherford class in 91.3% (95% CI 85.5% to 97.1%), target vessel revascularization in 10.1% (95% CI 6.2% to 13.9%), and limb salvage in 96.4% (95% CI 94.7% to 98.1%). Head-to-head comparisons showed that sirolimus-eluting stents were superior to balloon-expandable bare metal stents in preventing restenosis and increasing primary patency (both p
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Methods: Potentially relevant studies of stent implantation in the infragenicular arteries in ≥5 patients with ≥1-month follow-up were systematically sought in BioMedCentral, ClinicalTrials.gov, The Cochrane Collaboration Register of Controlled Trials (CENTRAL), Google Scholar, and PubMed. Data were abstracted and pooled with a random-effect model to generate risk estimates with 95% confidence intervals (CI). Interaction tests were performed to compare different stent types. A risk of bias assessment was conducted separately, as were appraisals for small study bias, statistical heterogeneity, and inconsistency. Results: Eighteen nonrandomized studies were retrieved comprising 640 patients. After a median follow-up of 12 months, binary in-stent restenosis occurred in 25.7% (95% CI 11.6% to 40.0%), primary patency in 78.9% (95% CI 71.8% to 86.0%), improvement in Rutherford class in 91.3% (95% CI 85.5% to 97.1%), target vessel revascularization in 10.1% (95% CI 6.2% to 13.9%), and limb salvage in 96.4% (95% CI 94.7% to 98.1%). Head-to-head comparisons showed that sirolimus-eluting stents were superior to balloon-expandable bare metal stents in preventing restenosis and increasing primary patency (both p&lt;0.001); sirolimus-eluting stents were also better than paclitaxel-eluting stents in terms of primary patency (p&lt;0.001) and repeat revascularizations (p=0.014). Conclusion: Percutaneous infragenicular stent implantation after failed or unsuccessful balloon angioplasty is associated with favorable clinical results in patients with CLI. Notwithstanding limitations of primary studies, sirolimus-eluting stents appear superior to bare metal and paclitaxel-eluting stents in terms of angiographic and/or clinical outcomes.</description><identifier>ISSN: 1526-6028</identifier><identifier>EISSN: 1545-1550</identifier><identifier>DOI: 10.1583/09-2691.1</identifier><identifier>PMID: 19642789</identifier><language>eng</language><publisher>Los Angeles, CA: SAGE Publications</publisher><subject>Angioplasty ; Atherosclerosis - therapy ; Confidence intervals ; Equipment Design ; Heart surgery ; Humans ; Hypothesis testing ; Industrialized nations ; Leg - blood supply ; Meta-analysis ; Patient care planning ; Peripheral Vascular Diseases - therapy ; Risk ; Sample size ; Standard deviation ; Statistical methods ; Stents ; Studies</subject><ispartof>Journal of Endovascular Therapy, 2009-06, Vol.16 (3), p.251-263</ispartof><rights>2009 International Society of Endovascular Specialists</rights><rights>Copyright Allen Press Publishing Services Jun 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c407t-aa16a656fe9aa6505b7d00adcf338b8d0ee48ccd1bbb33d1e7ed6cccee4a63163</citedby><cites>FETCH-LOGICAL-c407t-aa16a656fe9aa6505b7d00adcf338b8d0ee48ccd1bbb33d1e7ed6cccee4a63163</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1583/09-2691.1$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1583/09-2691.1$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>313,314,776,780,788,21798,27899,27901,27902,43597,43598</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19642789$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Biondi-Zoccai, Giuseppe G.L.</creatorcontrib><creatorcontrib>Sangiorgi, Giuseppe</creatorcontrib><creatorcontrib>Lotrionte, Marzia</creatorcontrib><creatorcontrib>Feiring, Andrew</creatorcontrib><creatorcontrib>Commeau, Philippe</creatorcontrib><creatorcontrib>Fusaro, Massimiliano</creatorcontrib><creatorcontrib>Agostoni, Pierfrancesco</creatorcontrib><creatorcontrib>Bosiers, Marc</creatorcontrib><creatorcontrib>Peregrin, Jan</creatorcontrib><creatorcontrib>Rosales, Oscar</creatorcontrib><creatorcontrib>Cotroneo, Antonio R.</creatorcontrib><creatorcontrib>Rand, Thomas</creatorcontrib><creatorcontrib>Sheiban, Imad</creatorcontrib><title>Infragenicular Stent Implantation for Below-the-Knee Atherosclerotic Disease: Clinical Evidence from an International Collaborative Meta-Analysis on 640 Patients</title><title>Journal of Endovascular Therapy</title><addtitle>J Endovasc Ther</addtitle><description>Purpose: To report a systematic review of the literature published on the outcomes of stenting for below-the-knee disease in patients with critical limb ischemia (CLI). Methods: Potentially relevant studies of stent implantation in the infragenicular arteries in ≥5 patients with ≥1-month follow-up were systematically sought in BioMedCentral, ClinicalTrials.gov, The Cochrane Collaboration Register of Controlled Trials (CENTRAL), Google Scholar, and PubMed. Data were abstracted and pooled with a random-effect model to generate risk estimates with 95% confidence intervals (CI). Interaction tests were performed to compare different stent types. A risk of bias assessment was conducted separately, as were appraisals for small study bias, statistical heterogeneity, and inconsistency. Results: Eighteen nonrandomized studies were retrieved comprising 640 patients. After a median follow-up of 12 months, binary in-stent restenosis occurred in 25.7% (95% CI 11.6% to 40.0%), primary patency in 78.9% (95% CI 71.8% to 86.0%), improvement in Rutherford class in 91.3% (95% CI 85.5% to 97.1%), target vessel revascularization in 10.1% (95% CI 6.2% to 13.9%), and limb salvage in 96.4% (95% CI 94.7% to 98.1%). Head-to-head comparisons showed that sirolimus-eluting stents were superior to balloon-expandable bare metal stents in preventing restenosis and increasing primary patency (both p&lt;0.001); sirolimus-eluting stents were also better than paclitaxel-eluting stents in terms of primary patency (p&lt;0.001) and repeat revascularizations (p=0.014). Conclusion: Percutaneous infragenicular stent implantation after failed or unsuccessful balloon angioplasty is associated with favorable clinical results in patients with CLI. 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Methods: Potentially relevant studies of stent implantation in the infragenicular arteries in ≥5 patients with ≥1-month follow-up were systematically sought in BioMedCentral, ClinicalTrials.gov, The Cochrane Collaboration Register of Controlled Trials (CENTRAL), Google Scholar, and PubMed. Data were abstracted and pooled with a random-effect model to generate risk estimates with 95% confidence intervals (CI). Interaction tests were performed to compare different stent types. A risk of bias assessment was conducted separately, as were appraisals for small study bias, statistical heterogeneity, and inconsistency. Results: Eighteen nonrandomized studies were retrieved comprising 640 patients. After a median follow-up of 12 months, binary in-stent restenosis occurred in 25.7% (95% CI 11.6% to 40.0%), primary patency in 78.9% (95% CI 71.8% to 86.0%), improvement in Rutherford class in 91.3% (95% CI 85.5% to 97.1%), target vessel revascularization in 10.1% (95% CI 6.2% to 13.9%), and limb salvage in 96.4% (95% CI 94.7% to 98.1%). Head-to-head comparisons showed that sirolimus-eluting stents were superior to balloon-expandable bare metal stents in preventing restenosis and increasing primary patency (both p&lt;0.001); sirolimus-eluting stents were also better than paclitaxel-eluting stents in terms of primary patency (p&lt;0.001) and repeat revascularizations (p=0.014). Conclusion: Percutaneous infragenicular stent implantation after failed or unsuccessful balloon angioplasty is associated with favorable clinical results in patients with CLI. Notwithstanding limitations of primary studies, sirolimus-eluting stents appear superior to bare metal and paclitaxel-eluting stents in terms of angiographic and/or clinical outcomes.</abstract><cop>Los Angeles, CA</cop><pub>SAGE Publications</pub><pmid>19642789</pmid><doi>10.1583/09-2691.1</doi><tpages>13</tpages></addata></record>
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subjects Angioplasty
Atherosclerosis - therapy
Confidence intervals
Equipment Design
Heart surgery
Humans
Hypothesis testing
Industrialized nations
Leg - blood supply
Meta-analysis
Patient care planning
Peripheral Vascular Diseases - therapy
Risk
Sample size
Standard deviation
Statistical methods
Stents
Studies
title Infragenicular Stent Implantation for Below-the-Knee Atherosclerotic Disease: Clinical Evidence from an International Collaborative Meta-Analysis on 640 Patients
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