Endovascular Treatment of Popliteal Artery Segments P1 and P2 in Patients With Critical Limb Ischemia: Initial Experience Using a Helical Nitinol Stent With Increased Radial Force
Purpose To evaluate efficacy, safety, and midterm patency of a helical, self-expanding nitinol stent after failed percutaneous transluminal angioplasty (PTA) of popliteal artery segments P1 and P2 in patients with chronic critical limb ischemia (CLI) or lifestyle-limiting claudication. Methods Betwe...
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| Veröffentlicht in: | Journal of endovascular therapy 2012-06, Vol.19 (3), p.450-456 |
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| creator | Goltz, Jan P. Ritter, Christian O. Kellersmann, Richard Klein, Detlef Hahn, Dietbert Kickuth, Ralph |
| description | Purpose
To evaluate efficacy, safety, and midterm patency of a helical,
self-expanding nitinol stent after failed percutaneous transluminal
angioplasty (PTA) of popliteal artery segments P1 and P2 in patients with
chronic critical limb ischemia (CLI) or lifestyle-limiting claudication.
Methods
Between February 2009 and March 2011, 40 patients (23 men; mean age
77±10 years) classified as Rutherford category 3 (n = 10) or
4/5 (n = 30) underwent PTA of the proximal and mid popliteal artery
followed by implantation of a SUPERA stent for elastic recoil, residual
stenosis, or flow-limiting dissection. All patients had an elevated
operative risk. Before and after the procedure and during the 12-month
follow-up, a clinical investigation, ankle-brachial-index (ABI) measurement,
and color-coded duplex sonography and/or digital subtraction angiography
were performed. Primary endpoints were limb salvage and anatomical patency
at 12 months.
Results
Stent implantation was successful in all patients. The major complication
rate was 7.5% (an access-site pseudoaneurysm, 2 retroperitoneal
hematomas, and 1 death from retroperitoneal bleeding). Mean follow-up was
15.9 months (range 0.5–27.9). The mean baseline ABI of 0.37
significantly increased to 0.91 at 12 months (p |
| doi_str_mv | 10.1583/11-3591MR.1 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_1024938924</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sage_id>10.1583_11-3591MR.1</sage_id><sourcerecordid>1024938924</sourcerecordid><originalsourceid>FETCH-LOGICAL-c350t-beb0531865aa5254a826e895b010a5d953771003ced61d9ac71ae5e99ed6eb853</originalsourceid><addsrcrecordid>eNplkUtv1DAUhSMEoqWwYo8ssUFCKb7OOLHZVaMpHWmAUR9iGd04d6auEmewHUR_F38QZ6Y8BCvbx98590g3y14CPwWpincAeSE1fLw8hUfZMciZzEFK_ni6izIvuVBH2bMQ7jgXIACeZkdCVEppzo-zHwvXDt8wmLFDz649YezJRTZs2HrYdTYSduzMR_L37Iq2019ga2DoWrYWzDq2xmj36hcbb9nc22hN8qxs37BlMLfUW3zPli7pSV5835FPvCF2E6zbMmQX1O0dnxLhho5dxanAPm3pTGoUqGWX2E7288Ebep492WAX6MXDeZLdnC-u5xf56vOH5fxslZtC8pg31HBZgColohRyhkqUpLRsOHCUrZZFVQHnhaG2hFajqQBJktbpTY2SxUn25pC788PXkUKsexsMdR06GsZQAxczXSgtZgl9_Q96N4zepXaJKoSuSl6pRL09UMYPIXja1Dtve_T3CaqnXdYA9WGXNST61UPm2PTU_mZ_Le9Pv4Bb-nvg_1k_ASeFphk</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1032976078</pqid></control><display><type>article</type><title>Endovascular Treatment of Popliteal Artery Segments P1 and P2 in Patients With Critical Limb Ischemia: Initial Experience Using a Helical Nitinol Stent With Increased Radial Force</title><source>MEDLINE</source><source>SAGE Complete</source><source>Alma/SFX Local Collection</source><creator>Goltz, Jan P. ; Ritter, Christian O. ; Kellersmann, Richard ; Klein, Detlef ; Hahn, Dietbert ; Kickuth, Ralph</creator><creatorcontrib>Goltz, Jan P. ; Ritter, Christian O. ; Kellersmann, Richard ; Klein, Detlef ; Hahn, Dietbert ; Kickuth, Ralph</creatorcontrib><description>Purpose
To evaluate efficacy, safety, and midterm patency of a helical,
self-expanding nitinol stent after failed percutaneous transluminal
angioplasty (PTA) of popliteal artery segments P1 and P2 in patients with
chronic critical limb ischemia (CLI) or lifestyle-limiting claudication.
Methods
Between February 2009 and March 2011, 40 patients (23 men; mean age
77±10 years) classified as Rutherford category 3 (n = 10) or
4/5 (n = 30) underwent PTA of the proximal and mid popliteal artery
followed by implantation of a SUPERA stent for elastic recoil, residual
stenosis, or flow-limiting dissection. All patients had an elevated
operative risk. Before and after the procedure and during the 12-month
follow-up, a clinical investigation, ankle-brachial-index (ABI) measurement,
and color-coded duplex sonography and/or digital subtraction angiography
were performed. Primary endpoints were limb salvage and anatomical patency
at 12 months.
Results
Stent implantation was successful in all patients. The major complication
rate was 7.5% (an access-site pseudoaneurysm, 2 retroperitoneal
hematomas, and 1 death from retroperitoneal bleeding). Mean follow-up was
15.9 months (range 0.5–27.9). The mean baseline ABI of 0.37
significantly increased to 0.91 at 12 months (p<0.01). Three
(7.5%) patients underwent bypass surgery owing to lack of clinical
improvement (<0.10 improvement in ABI). Primary and secondary patency
rates at 12 months in the 34 patients eligible for follow-up were
68.4% and 79.8%, respectively. The major amputation rate was
5% at 1 year. Five (12.5%) in-stent stenoses and 1 of 2
(5.0%) in-stent occlusions were successfully recanalized (the second
occlusion was asymptomatic).
Conclusion
Implantation of this helical stent into segments of the popliteal artery at
the knee joint in CLI patients is a safe and clinically effective bailout
method with acceptable intermediate patency.</description><identifier>ISSN: 1526-6028</identifier><identifier>EISSN: 1545-1550</identifier><identifier>DOI: 10.1583/11-3591MR.1</identifier><identifier>PMID: 22788900</identifier><language>eng</language><publisher>Los Angeles, CA: SAGE Publications</publisher><subject>Aged ; Aged, 80 and over ; Alloys ; Amputation ; Angiography, Digital Subtraction ; Angioplasty, Balloon - adverse effects ; Angioplasty, Balloon - instrumentation ; Ankle Brachial Index ; Arterial Occlusive Diseases - complications ; Arterial Occlusive Diseases - diagnosis ; Arterial Occlusive Diseases - physiopathology ; Arterial Occlusive Diseases - therapy ; Blood clots ; Chronic illnesses ; Constriction, Pathologic ; Critical Illness ; Female ; Germany ; Humans ; Intermittent Claudication - diagnosis ; Intermittent Claudication - etiology ; Intermittent Claudication - physiopathology ; Intermittent Claudication - therapy ; Ischemia ; Ischemia - diagnosis ; Ischemia - etiology ; Ischemia - physiopathology ; Ischemia - therapy ; Kaplan-Meier Estimate ; Limb Salvage ; Lower Extremity - blood supply ; Magnetic Resonance Angiography ; Male ; Medical imaging ; Middle Aged ; Popliteal Artery - diagnostic imaging ; Popliteal Artery - physiopathology ; Prosthesis Design ; Retrospective Studies ; Risk Assessment ; Risk Factors ; Stents ; Surgery ; Time Factors ; Treatment Outcome ; Ultrasonography, Doppler, Color ; Vascular Patency</subject><ispartof>Journal of endovascular therapy, 2012-06, Vol.19 (3), p.450-456</ispartof><rights>2012 International Society of Endovascular Specialists</rights><rights>Copyright Allen Press Publishing Services Jun 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-beb0531865aa5254a826e895b010a5d953771003ced61d9ac71ae5e99ed6eb853</citedby><cites>FETCH-LOGICAL-c350t-beb0531865aa5254a826e895b010a5d953771003ced61d9ac71ae5e99ed6eb853</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1583/11-3591MR.1$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1583/11-3591MR.1$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,776,780,21800,27903,27904,43599,43600</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/22788900$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Goltz, Jan P.</creatorcontrib><creatorcontrib>Ritter, Christian O.</creatorcontrib><creatorcontrib>Kellersmann, Richard</creatorcontrib><creatorcontrib>Klein, Detlef</creatorcontrib><creatorcontrib>Hahn, Dietbert</creatorcontrib><creatorcontrib>Kickuth, Ralph</creatorcontrib><title>Endovascular Treatment of Popliteal Artery Segments P1 and P2 in Patients With Critical Limb Ischemia: Initial Experience Using a Helical Nitinol Stent With Increased Radial Force</title><title>Journal of endovascular therapy</title><addtitle>J Endovasc Ther</addtitle><description>Purpose
To evaluate efficacy, safety, and midterm patency of a helical,
self-expanding nitinol stent after failed percutaneous transluminal
angioplasty (PTA) of popliteal artery segments P1 and P2 in patients with
chronic critical limb ischemia (CLI) or lifestyle-limiting claudication.
Methods
Between February 2009 and March 2011, 40 patients (23 men; mean age
77±10 years) classified as Rutherford category 3 (n = 10) or
4/5 (n = 30) underwent PTA of the proximal and mid popliteal artery
followed by implantation of a SUPERA stent for elastic recoil, residual
stenosis, or flow-limiting dissection. All patients had an elevated
operative risk. Before and after the procedure and during the 12-month
follow-up, a clinical investigation, ankle-brachial-index (ABI) measurement,
and color-coded duplex sonography and/or digital subtraction angiography
were performed. Primary endpoints were limb salvage and anatomical patency
at 12 months.
Results
Stent implantation was successful in all patients. The major complication
rate was 7.5% (an access-site pseudoaneurysm, 2 retroperitoneal
hematomas, and 1 death from retroperitoneal bleeding). Mean follow-up was
15.9 months (range 0.5–27.9). The mean baseline ABI of 0.37
significantly increased to 0.91 at 12 months (p<0.01). Three
(7.5%) patients underwent bypass surgery owing to lack of clinical
improvement (<0.10 improvement in ABI). Primary and secondary patency
rates at 12 months in the 34 patients eligible for follow-up were
68.4% and 79.8%, respectively. The major amputation rate was
5% at 1 year. Five (12.5%) in-stent stenoses and 1 of 2
(5.0%) in-stent occlusions were successfully recanalized (the second
occlusion was asymptomatic).
Conclusion
Implantation of this helical stent into segments of the popliteal artery at
the knee joint in CLI patients is a safe and clinically effective bailout
method with acceptable intermediate patency.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>Alloys</subject><subject>Amputation</subject><subject>Angiography, Digital Subtraction</subject><subject>Angioplasty, Balloon - adverse effects</subject><subject>Angioplasty, Balloon - instrumentation</subject><subject>Ankle Brachial Index</subject><subject>Arterial Occlusive Diseases - complications</subject><subject>Arterial Occlusive Diseases - diagnosis</subject><subject>Arterial Occlusive Diseases - physiopathology</subject><subject>Arterial Occlusive Diseases - therapy</subject><subject>Blood clots</subject><subject>Chronic illnesses</subject><subject>Constriction, Pathologic</subject><subject>Critical Illness</subject><subject>Female</subject><subject>Germany</subject><subject>Humans</subject><subject>Intermittent Claudication - diagnosis</subject><subject>Intermittent Claudication - etiology</subject><subject>Intermittent Claudication - physiopathology</subject><subject>Intermittent Claudication - therapy</subject><subject>Ischemia</subject><subject>Ischemia - diagnosis</subject><subject>Ischemia - etiology</subject><subject>Ischemia - physiopathology</subject><subject>Ischemia - therapy</subject><subject>Kaplan-Meier Estimate</subject><subject>Limb Salvage</subject><subject>Lower Extremity - blood supply</subject><subject>Magnetic Resonance Angiography</subject><subject>Male</subject><subject>Medical imaging</subject><subject>Middle Aged</subject><subject>Popliteal Artery - diagnostic imaging</subject><subject>Popliteal Artery - physiopathology</subject><subject>Prosthesis Design</subject><subject>Retrospective Studies</subject><subject>Risk Assessment</subject><subject>Risk Factors</subject><subject>Stents</subject><subject>Surgery</subject><subject>Time Factors</subject><subject>Treatment Outcome</subject><subject>Ultrasonography, Doppler, Color</subject><subject>Vascular Patency</subject><issn>1526-6028</issn><issn>1545-1550</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNplkUtv1DAUhSMEoqWwYo8ssUFCKb7OOLHZVaMpHWmAUR9iGd04d6auEmewHUR_F38QZ6Y8BCvbx98590g3y14CPwWpincAeSE1fLw8hUfZMciZzEFK_ni6izIvuVBH2bMQ7jgXIACeZkdCVEppzo-zHwvXDt8wmLFDz649YezJRTZs2HrYdTYSduzMR_L37Iq2019ga2DoWrYWzDq2xmj36hcbb9nc22hN8qxs37BlMLfUW3zPli7pSV5835FPvCF2E6zbMmQX1O0dnxLhho5dxanAPm3pTGoUqGWX2E7288Ebep492WAX6MXDeZLdnC-u5xf56vOH5fxslZtC8pg31HBZgColohRyhkqUpLRsOHCUrZZFVQHnhaG2hFajqQBJktbpTY2SxUn25pC788PXkUKsexsMdR06GsZQAxczXSgtZgl9_Q96N4zepXaJKoSuSl6pRL09UMYPIXja1Dtve_T3CaqnXdYA9WGXNST61UPm2PTU_mZ_Le9Pv4Bb-nvg_1k_ASeFphk</recordid><startdate>20120601</startdate><enddate>20120601</enddate><creator>Goltz, Jan P.</creator><creator>Ritter, Christian O.</creator><creator>Kellersmann, Richard</creator><creator>Klein, Detlef</creator><creator>Hahn, Dietbert</creator><creator>Kickuth, Ralph</creator><general>SAGE Publications</general><general>Allen Press Inc</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>KB0</scope><scope>M0S</scope><scope>M1P</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20120601</creationdate><title>Endovascular Treatment of Popliteal Artery Segments P1 and P2 in Patients With Critical Limb Ischemia: Initial Experience Using a Helical Nitinol Stent With Increased Radial Force</title><author>Goltz, Jan P. ; Ritter, Christian O. ; Kellersmann, Richard ; Klein, Detlef ; Hahn, Dietbert ; Kickuth, Ralph</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-beb0531865aa5254a826e895b010a5d953771003ced61d9ac71ae5e99ed6eb853</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>Alloys</topic><topic>Amputation</topic><topic>Angiography, Digital Subtraction</topic><topic>Angioplasty, Balloon - adverse effects</topic><topic>Angioplasty, Balloon - instrumentation</topic><topic>Ankle Brachial Index</topic><topic>Arterial Occlusive Diseases - complications</topic><topic>Arterial Occlusive Diseases - diagnosis</topic><topic>Arterial Occlusive Diseases - physiopathology</topic><topic>Arterial Occlusive Diseases - therapy</topic><topic>Blood clots</topic><topic>Chronic illnesses</topic><topic>Constriction, Pathologic</topic><topic>Critical Illness</topic><topic>Female</topic><topic>Germany</topic><topic>Humans</topic><topic>Intermittent Claudication - diagnosis</topic><topic>Intermittent Claudication - etiology</topic><topic>Intermittent Claudication - physiopathology</topic><topic>Intermittent Claudication - therapy</topic><topic>Ischemia</topic><topic>Ischemia - diagnosis</topic><topic>Ischemia - etiology</topic><topic>Ischemia - physiopathology</topic><topic>Ischemia - therapy</topic><topic>Kaplan-Meier Estimate</topic><topic>Limb Salvage</topic><topic>Lower Extremity - blood supply</topic><topic>Magnetic Resonance Angiography</topic><topic>Male</topic><topic>Medical imaging</topic><topic>Middle Aged</topic><topic>Popliteal Artery - diagnostic imaging</topic><topic>Popliteal Artery - physiopathology</topic><topic>Prosthesis Design</topic><topic>Retrospective Studies</topic><topic>Risk Assessment</topic><topic>Risk Factors</topic><topic>Stents</topic><topic>Surgery</topic><topic>Time Factors</topic><topic>Treatment Outcome</topic><topic>Ultrasonography, Doppler, Color</topic><topic>Vascular Patency</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Goltz, Jan P.</creatorcontrib><creatorcontrib>Ritter, Christian O.</creatorcontrib><creatorcontrib>Kellersmann, Richard</creatorcontrib><creatorcontrib>Klein, Detlef</creatorcontrib><creatorcontrib>Hahn, Dietbert</creatorcontrib><creatorcontrib>Kickuth, Ralph</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Nursing & Allied Health Database</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Nursing & Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of endovascular therapy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Goltz, Jan P.</au><au>Ritter, Christian O.</au><au>Kellersmann, Richard</au><au>Klein, Detlef</au><au>Hahn, Dietbert</au><au>Kickuth, Ralph</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Endovascular Treatment of Popliteal Artery Segments P1 and P2 in Patients With Critical Limb Ischemia: Initial Experience Using a Helical Nitinol Stent With Increased Radial Force</atitle><jtitle>Journal of endovascular therapy</jtitle><addtitle>J Endovasc Ther</addtitle><date>2012-06-01</date><risdate>2012</risdate><volume>19</volume><issue>3</issue><spage>450</spage><epage>456</epage><pages>450-456</pages><issn>1526-6028</issn><eissn>1545-1550</eissn><abstract>Purpose
To evaluate efficacy, safety, and midterm patency of a helical,
self-expanding nitinol stent after failed percutaneous transluminal
angioplasty (PTA) of popliteal artery segments P1 and P2 in patients with
chronic critical limb ischemia (CLI) or lifestyle-limiting claudication.
Methods
Between February 2009 and March 2011, 40 patients (23 men; mean age
77±10 years) classified as Rutherford category 3 (n = 10) or
4/5 (n = 30) underwent PTA of the proximal and mid popliteal artery
followed by implantation of a SUPERA stent for elastic recoil, residual
stenosis, or flow-limiting dissection. All patients had an elevated
operative risk. Before and after the procedure and during the 12-month
follow-up, a clinical investigation, ankle-brachial-index (ABI) measurement,
and color-coded duplex sonography and/or digital subtraction angiography
were performed. Primary endpoints were limb salvage and anatomical patency
at 12 months.
Results
Stent implantation was successful in all patients. The major complication
rate was 7.5% (an access-site pseudoaneurysm, 2 retroperitoneal
hematomas, and 1 death from retroperitoneal bleeding). Mean follow-up was
15.9 months (range 0.5–27.9). The mean baseline ABI of 0.37
significantly increased to 0.91 at 12 months (p<0.01). Three
(7.5%) patients underwent bypass surgery owing to lack of clinical
improvement (<0.10 improvement in ABI). Primary and secondary patency
rates at 12 months in the 34 patients eligible for follow-up were
68.4% and 79.8%, respectively. The major amputation rate was
5% at 1 year. Five (12.5%) in-stent stenoses and 1 of 2
(5.0%) in-stent occlusions were successfully recanalized (the second
occlusion was asymptomatic).
Conclusion
Implantation of this helical stent into segments of the popliteal artery at
the knee joint in CLI patients is a safe and clinically effective bailout
method with acceptable intermediate patency.</abstract><cop>Los Angeles, CA</cop><pub>SAGE Publications</pub><pmid>22788900</pmid><doi>10.1583/11-3591MR.1</doi><tpages>7</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1526-6028 |
| ispartof | Journal of endovascular therapy, 2012-06, Vol.19 (3), p.450-456 |
| issn | 1526-6028 1545-1550 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1024938924 |
| source | MEDLINE; SAGE Complete; Alma/SFX Local Collection |
| subjects | Aged Aged, 80 and over Alloys Amputation Angiography, Digital Subtraction Angioplasty, Balloon - adverse effects Angioplasty, Balloon - instrumentation Ankle Brachial Index Arterial Occlusive Diseases - complications Arterial Occlusive Diseases - diagnosis Arterial Occlusive Diseases - physiopathology Arterial Occlusive Diseases - therapy Blood clots Chronic illnesses Constriction, Pathologic Critical Illness Female Germany Humans Intermittent Claudication - diagnosis Intermittent Claudication - etiology Intermittent Claudication - physiopathology Intermittent Claudication - therapy Ischemia Ischemia - diagnosis Ischemia - etiology Ischemia - physiopathology Ischemia - therapy Kaplan-Meier Estimate Limb Salvage Lower Extremity - blood supply Magnetic Resonance Angiography Male Medical imaging Middle Aged Popliteal Artery - diagnostic imaging Popliteal Artery - physiopathology Prosthesis Design Retrospective Studies Risk Assessment Risk Factors Stents Surgery Time Factors Treatment Outcome Ultrasonography, Doppler, Color Vascular Patency |
| title | Endovascular Treatment of Popliteal Artery Segments P1 and P2 in Patients With Critical Limb Ischemia: Initial Experience Using a Helical Nitinol Stent With Increased Radial Force |
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