International journal of cardiovascular interventions最新文献

{"title":"Methodological considerations and approach to cross-technique comparisons using in vivo coronary plaque characterization based on intravascular ultrasound radiofrequency data analysis: insights from the Integrated Biomarker and Imaging Study (IBIS).","authors":"G A Rodriguez-Granillo,&nbsp;J Aoki,&nbsp;A T L Ong,&nbsp;M Valgimigli,&nbsp;C A G Van Mieghem,&nbsp;E Regar,&nbsp;E McFadden,&nbsp;P De Feyter,&nbsp;P W Serruys","doi":"10.1080/14628840410030559","DOIUrl":"https://doi.org/10.1080/14628840410030559","url":null,"abstract":"<p><p>Grey scale intravascular ultrasound (IVUS) is a valuable clinical tool to assess the extent and severity of coronary atheroma. However, it cannot reliably identify plaques with a high-risk of future clinical events. Serial IVUS studies to assess the progression and/or regression of atherosclerotic plaques demonstrated only modest effects, of pharmacological intervention on plaque burden, even when clinical efficacy is documented. Spectral analysis of radiofrequency ultrasound data (IVUS-virtual histology (IVUS-VH), Volcano Therapeutics, Rancho Cordova, CA) has the potential to characterize accurately plaque composition. The Integrated Biomarker and Imaging Study (IBIS) evaluated both invasive and non-invasive imaging techniques along with the assessment of novel biomarkers to characterize sub-clinical atherosclerosis. IVUS-VH was not included at the start of the IBIS protocol. The purpose of this paper is to describe the methodology we used to obtain and analyse IVUS-VH images and the approach to cross-correlations with the other techniques.</p>","PeriodicalId":83747,"journal":{"name":"International journal of cardiovascular interventions","volume":"7 1","pages":"52-8"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14628840410030559","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25197077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Percutaneous therapy of bifurcation lesions with drug-eluting stent implantation: the Culotte technique revisited.","authors":"Angela Hoye,&nbsp;Carlos A G van Mieghem,&nbsp;Andrew T L Ong,&nbsp;Jiro Aoki,&nbsp;Gaston A Rodriguez Granillo,&nbsp;Marco Valgimigli,&nbsp;Keiichi Tsuchida,&nbsp;Georgios Sianos,&nbsp;Eugene P McFadden,&nbsp;Willem J van der Giessen,&nbsp;Pim J de Feyter,&nbsp;Ron T van Domburg,&nbsp;Patrick W Serruys","doi":"10.1080/14628840510011225","DOIUrl":"https://doi.org/10.1080/14628840510011225","url":null,"abstract":"<p><strong>Introduction: </strong>The most effective strategy for bifurcation stenting is currently undefined. The Culotte technique was developed as a method that ensures complete bifurcation lesion coverage. However, it went out of favour due to a high rate of restenosis when utilizing bare metal stents. Drug-eluting stents reduce the rate of restenosis and need for repeat lesion revascularization compared with bare metal stents; we re-evaluated this technique with drug-eluting stent implantation.</p><p><strong>Methods: </strong>Between April 2002 and October 2003, 207 patients were treated for at least one bifurcation lesion with drug-eluting stent implantation to both the main vessel and side branch. Of these, 23 were treated with the Culotte technique (11.1%) for 24 lesions. Sirolimus-eluting stents were used in 8.3%, and paclitaxel-eluting stents in the remaining 92.7%.</p><p><strong>Results: </strong>Clinical follow-up was obtained in 100%. One patient had a myocardial infarction at 14 days (maximum rise in creatine kinase 872 IU/L) related to thrombosis occurring in another lesion, and underwent repeat revascularization. There were no episodes of stent thrombosis in the Culotte lesions. At eight months follow-up, there were no deaths and no further myocardial infarction. One patient required target lesion revascularization (TLR), and a second underwent target vessel revascularization. The cumulative rates of survival-free of TLR and major adverse cardiac events were 94.7% and 84.6% respectively. Angiographic follow-up was obtained in 16 patients (69.6%) at a mean period of 8.3+/-4.3 months. The late lumen loss for the main vessel and side branch were 0.48+/-0.56 mm and 0.53+/-0.33 mm respectively, with binary restenosis rates of 18.8% and 12.5%.</p><p><strong>Conclusions: </strong>In this small study of bifurcation stenting utilizing the Culotte technique with drug-eluting stent implantation, there was a low rate of major adverse events and need for target lesion revascularization at eight months, when compared with historical data of bifurcation stenting with bare metal stents. Further re-evaluation of this technique utilizing drug-eluting stents, is warranted in the setting of larger randomized studies.</p>","PeriodicalId":83747,"journal":{"name":"International journal of cardiovascular interventions","volume":"7 1","pages":"36-40"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14628840510011225","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25190699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Clinical value of 16-slice multi-detector CT compared to invasive coronary angiography.","authors":"Galit Aviram,&nbsp;Ariel Finkelstein,&nbsp;Itzhak Herz,&nbsp;Jonathan Lessick,&nbsp;Hylton Miller,&nbsp;Moshe Graif,&nbsp;Gad Keren","doi":"10.1080/14628840510011207","DOIUrl":"https://doi.org/10.1080/14628840510011207","url":null,"abstract":"<p><strong>Background: </strong>Multi-detector row spiral CT (MDCT) can be applied as a noninvasive tool for the assessment of coronary artery stenoses. Few, confounding reports have been published using 16 detector rows. The aim of the present study was to determine the accuracy of 16-detector row MDCT for the detection of significant stenoses in the coronary arteries, in comparison to conventional invasive coronary angiography.</p><p><strong>Methods: </strong>Twenty-two patients with suspected coronary artery disease, were prospectively evaluated by 16-slice retrospectively ECG-gated CT coronary angiography and quantitative invasive coronary angiography. The findings were compared for the detection of significant coronary artery stenoses (>50%) in all segments with diameter >1.5 mm.</p><p><strong>Results: </strong>MDCT correctly classified all 14 patients (100%) that were found to have significant coronary artery disease on conventional angiography. Overall, 288 segments were included in the analysis, regardless of their image quality. Significant stenoses were detected in 24 segments by CT and in 28 segments by conventional angiography. Out of 260 segments that were negative for significant stenoses on conventional angiography, 255 were correctly identified on CT. The sensitivity, specificity, positive and negative predictive values were 86, 98, 83 and 98%, respectively. MDCT also revealed supplementary findings that invasive angiography was unable to visualize, including anomalous vessel course, the course of vessels filling via collaterals, intramyocardial course of vessels and non-stenotic plaques.</p><p><strong>Conclusions: </strong>MDCT coronary angiography utilizing 16-detector rows shows promising results for reliable detection of coronary artery stenoses and particularly for ruling out significant disease.</p>","PeriodicalId":83747,"journal":{"name":"International journal of cardiovascular interventions","volume":"7 1","pages":"21-8"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14628840510011207","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25189278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dextrocardia and two-vessel percutaneous intervention.","authors":"Ever D Grech,&nbsp;Robert L Kroeker","doi":"10.1080/14628840510011153","DOIUrl":"https://doi.org/10.1080/14628840510011153","url":null,"abstract":"<p><p>Dextrocardia is rare and percutaneous intervention in such patients presents additional challenges to the operator. This report describes successful two-vessel angioplasty and stenting, including a chronic, sub-totally occluded proximal left anterior descending artery.</p>","PeriodicalId":83747,"journal":{"name":"International journal of cardiovascular interventions","volume":"7 1","pages":"61-2"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14628840510011153","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25190703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Management of calcified lesions in 2004.","authors":"Ashish Pershad,&nbsp;Maurice Buchbinder","doi":"10.1080/14628840500339512","DOIUrl":"https://doi.org/10.1080/14628840500339512","url":null,"abstract":"<p><p>Calcified lesions are encountered with increasing frequency in the catheterization laboratory. Percutaneous coronary interventions of calcified lesions are associated with a higher complication rate than percutaneous intervention on non-calcified lesions. The review focuses on current management strategies in the drug eluting stent era of this complex lesion subset. Evidence based approaches to treat calcified coronary lesions with balloon based and atherectomy devices as adjunctive modalities in the drug eluting stent era are discussed in this article.</p>","PeriodicalId":83747,"journal":{"name":"International journal of cardiovascular interventions","volume":"7 4","pages":"199-204"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14628840500339512","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25766688","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Acute and intermediate-term procedural results using cypher stenting to treat multi-vessel coronary artery disease.","authors":"Ran Kornowski,&nbsp;Hana Vaknin-Assa,&nbsp;Abid Assali,&nbsp;Shmuel Fuchs","doi":"10.1080/14628840500306875","DOIUrl":"https://doi.org/10.1080/14628840500306875","url":null,"abstract":"<p><strong>Objective: </strong>We examined our experience using the sirolimus eluting stents (Cypher) as an alternative to surgical revascularization in carefully selected cohort of patients undergoing multi-vessel percutaneous coronary intervention.</p><p><strong>Methods: </strong>Fifty consecutive patients with multi-vessel disease who were good candidates for both surgical and percutaneous revascularization were included in the current analysis. All patients underwent a careful clinical evaluation prior to the intervention, and they were followed for procedural and clinical outcomes for nine months.</p><p><strong>Results: </strong>Mean age was 64+/-11 years (40 males, 30% diabetics) and 10 patients (20%) had three-vessel disease. Angina class was 2.7+/-0.6 at baseline. Overall, 116 lesions were treated using 122 stents (mean 2.4 stents per patient). Total mean stent length was 43+/-12 mm (range: 21-90 mm). Overall, one patient died during follow-up (2%), no patient had stroke or Q wave MI and one patient experienced non-Q myocardial infarction. There was no documented stent thrombosis and two patients (4%) underwent target-vessel revascularization. The hierarchical cumulative major adverse cardiac event rate was 8% and the cardiac event-free survival rate was thus 92%.</p><p><strong>Conclusion: </strong>Multi-vessel stenting using Cypher stents is a viable treatment strategy in selected group of patients with multi-vessel coronary artery disease. It is associated with excellent intermediate-term clinical outcomes and thus it could serve as the primary revascularization strategy of choice in appropriate candidates.</p>","PeriodicalId":83747,"journal":{"name":"International journal of cardiovascular interventions","volume":"7 3","pages":"122-5"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14628840500306875","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25651710","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intracardiac echocardiographic guidance for hemodynamic assessment in a patient with congenital abnormalities and a prosthetic aortic valve.","authors":"M I Papafaklis,&nbsp;J M R Ligthart,&nbsp;S Vaina,&nbsp;M Witsenburg,&nbsp;A J J C Bogers,&nbsp;P W Serruys","doi":"10.1080/14628840500238425","DOIUrl":"https://doi.org/10.1080/14628840500238425","url":null,"abstract":"<p><p>In this case report, we present the use of intracardiac echocardiography (ICE) for guiding the cardiac catheterization and subsequent hemodynamic investigation in an unusual patient case with multiple congenital abnormalities (bicuspid aortic valve, left cervical aortic arch, two aortic coarctations) and two aortic valve replacement operations in the past. The ICE catheter (AcuNav) permitted us to accurately and safely puncture the interatrial septum and place the Swan-Ganz catheter in the left ventricle; additionally, visualization of the aortic coarctation in the ascending aorta was also achieved.</p>","PeriodicalId":83747,"journal":{"name":"International journal of cardiovascular interventions","volume":"7 3","pages":"138-40"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14628840500238425","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25651713","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Managing low profile - left main transmural laceration.","authors":"Rutger L Anthonio,&nbsp;Gillian A J Jessurun,&nbsp;Michiel E Erasmus,&nbsp;Felix Zijlstra","doi":"10.1080/14628840510011144","DOIUrl":"https://doi.org/10.1080/14628840510011144","url":null,"abstract":"<p><p>Perforation of the left main stem is a rare complication associated with combined aortic valve replacement and by-pass surgery. One-year following aortic valve replacement a 70-year-old male presented with chest pain. This was related to a slowly expanding haematoma caused by a low profile chronic perforation of the left main. Subsequently, a tailored percutaneous modification of the main stem was performed. At three months follow-up, he had no complaints and selective coronary angiography confirmed the successful sealing of the perforation with a concomitant regression of the prior haematoma.</p>","PeriodicalId":83747,"journal":{"name":"International journal of cardiovascular interventions","volume":"7 1","pages":"59-60"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14628840510011144","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25190702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Paclitaxel eluting stents for the treatment of angiographically non-significant atherosclerotic lesions.","authors":"Gastón Rodriguez-Granillo,&nbsp;Marco Valgimigli,&nbsp;Andrew T L Ong,&nbsp;Jiro Aoki,&nbsp;Carlos A G van Mieghem,&nbsp;Angela Hoye,&nbsp;Keiichi Tsuchida,&nbsp;Eugene McFadden,&nbsp;Pim de Feyter,&nbsp;Patrick W Serruys","doi":"10.1080/14628840510011261","DOIUrl":"https://doi.org/10.1080/14628840510011261","url":null,"abstract":"<p><strong>Objective: </strong>To assess the safety and efficacy of the implantation of Paclitaxel Eluting Stents (PES) for de novo, non-flow limiting lesions.</p><p><strong>Methods and results: </strong>We assessed the 12-month occurrence of major adverse cardiac events (MACE) in 21 patients (4% of the total population treated in a 'real world' registry) with 22 non-significant coronary narrowings treated with PES. The following criteria had to be met: (1) the lesion was de novo; (2) the location was non-ostial, and not a bifurcation lesion; (3) the diameter stenosis by quantitative coronary angiography (QCA) was <50%; (4) there was no visible thrombus and (5) the lesion was not located in an angiographically diffusely diseased segment. Procedural success rate was 100% without any periprocedural myocardial infarction. After a mean follow-up of 407.33+/-53 (range: 344-498) days the overall MACE-free survival was 95.2%. Freedom from target revascularization was 95.2%.</p><p><strong>Conclusions: </strong>The result of this non-randomized observational study suggests that the implantation of PES for de novo, non-significant lesions appears most probably safe and effective.</p>","PeriodicalId":83747,"journal":{"name":"International journal of cardiovascular interventions","volume":"7 2","pages":"68-71"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14628840510011261","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25240385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A comparison of the radial and the femoral approach in vein graft PCI. A retrospective study.","authors":"Antonios Ziakas,&nbsp;Peter Klinke,&nbsp;Richard Mildenberger,&nbsp;Eric Fretz,&nbsp;Malcolm Williams,&nbsp;Antony Della Siega,&nbsp;David Kinloch,&nbsp;David Hilton","doi":"10.1080/14628840510011270","DOIUrl":"https://doi.org/10.1080/14628840510011270","url":null,"abstract":"<p><strong>Background: </strong>Transradial PCI is a safe and effective method of percutaneous revascularization. However, there is limited data on the efficacy of the transradial approach for saphenous vein graft (SVG) PCI.</p><p><strong>Methods: </strong>We studied 334 patients who underwent SVG PCI between January 2000 and December 2003, and compared the radial (132 patients) and the femoral (202 patients) approach.</p><p><strong>Results: </strong>Mean EF (55.6+/-18.6% radial versus 58.1+/-16.8% femoral), lesion location (proximal, mid, distal: 22.6/50.6/26.7% versus 22.6/44.5/32.9% respectively) and lesion type (B1/B2/C: 3.4/4.1/92.5% versus 0.4/3.1/96.5%) were similar in both groups (P>0.05). Five patients had a failed radial attempt (3.8%) and were switched to the femoral approach. Mean fluoroscopy time (20.4+/-12.2 versus 18.4+/-10.2 min), procedural time (60.0+/-27.2 versus 61.6+/-24.9 min) and the use of contrast (223+/-91 versus 234+/-91 ml) IIB/IIIA inhibitors (27.2 versus 33.2%), and stenting (81.5 versus 81.3%) were similar in both groups, whereas 5 or 6 French sheaths were used more often in the radial group (83.4 versus 64.9%, P<0.01). Angiographic success (93.9 versus 92.9%), in hospital MACE (radial:5 MI (3.8%) versus femoral: 1 death (0.5%) and 7 MI (3.5%) and major vascular complications (0.7 versus 0.5%) were also similar.</p><p><strong>Conclusions: </strong>The radial approach in SVG PCI is as fast and successful as the femoral.</p>","PeriodicalId":83747,"journal":{"name":"International journal of cardiovascular interventions","volume":"7 2","pages":"93-6"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/14628840510011270","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25240389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}