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(Circulation. 2003;107:38.)
© 2003 American Heart Association, Inc.
Clinical Investigation and Reports |
From the Heart Center Siegburg (E.G., R.M., L.B., U.G.), Siegburg, Germany; Klinik Dr. Mueller (S.S.), Muenchen, Germany; Krankenhaus der Barmherzigen Brüder (K.E.H.), Trier, Germany; and Boston Scientific Corp (M.E.R.), Natick, Mass.
Correspondence to Eberhard Grube, MD, FACC, FACA, Department of Cardiology/Angiology, Heart Center Siegburg, Ringstrasse 49, 53721 Siegburg, Germany. E-mail GrubeE{at}aol.com
| Abstract |
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Methods and Results The TAXUS I trial was a prospective, double-blind, three-center study randomizing 61 patients with de novo or restenotic lesions (
12 mm) to receive a TAXUS (n=31) versus control (n=30) stent (diameter 3.0 or 3.5 mm). Demographics, lesion characteristics, clinical outcomes were comparable between the groups. The 30-day major adverse cardiac event (MACE) rate was 0% in both groups (P=NS). No stent thromboses were reported at 1, 6, 9, or 12 months. At 12 months, the MACE rate was 3% (1 event) in the TAXUS group and 10% (4 events in 3 patients) in the control group (P=NS). Six-month angiographic restenosis rates were 0% for TAXUS versus 10% for control (P=NS) patients. There were significant improvements in minimal lumen diameter (2.60±0.49 versus 2.19±0.65 mm), diameter stenosis (13.56±11.77 versus 27.23±16.69), and late lumen loss (0.36±0.48 versus 0.71±0.48 mm) in the TAXUS group (all P<0.01). No evidence of edge restenosis was seen in either group. Intravascular ultrasound analysis showed significant improvements in normalized neointimal hyperplasia in the TAXUS (14.8 mm3) group compared with the control group (21.6 mm3) (P<0.05).
Conclusions In this feasibility trial, the TAXUS slow-release stent was well tolerated and showed promise for treatment of coronary lesions, with significant reductions in angiographic and intravascular ultrasound measures of restenosis.
Key Words: stents drugs restenosis coronary disease revascularization
| Introduction |
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The purpose of TAXUS I was to provide the first in-human clinical evaluations of a polymer-based paclitaxel-eluting stent in a randomized, multicenter trial comparing the TAXUS NIRx stent with bare metal NIR (control) stents (both from Boston Scientific Corp).
| Methods |
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Study Population
Between October 2000 and March 2001, 61 patients were randomized to either a single TAXUS paclitaxel-eluting stent or a control (bare metal NIR) stent. The trial was conducted at three German heart centers after the approval of the local ethics committee and informed consent of all subjects had been obtained. Target lesions were single de novo or restenotic coronary lesions. Angiographic inclusion criteria were lesion length
12 mm, 50% to 99% diameter stenosis, and vessel diameter between 3.0 mm and 3.5 mm. Patients were not eligible for enrollment if they had a history of acute myocardial infarction; a left ventricular ejection fraction <30%; a stroke within the previous 6 months; renal dysfunction, as defined by serum creatinine >1.7 mg/100 mL; or contraindication to aspirin, clopidogrel, or ticlopidine. Target lesions requiring >1 study stent for full coverage were excluded.
Study Administration
This trial was conducted with a strictly double-blinded analysis. To maintain blind packaging, the TAXUS and control stents were indistinguishable by physical and radiographic appearance. The intravascular ultrasound (IVUS) and quantitative coronary angiography (QCA) core labs and the Clinical Events Committee were blinded to treatment groups.
Stenting Procedure
Before stent implantation, patients were premedicated with aspirin (>80 mg), clopidogrel (300 mg), and heparin. After predilatation, study stents were deployed according to conventional techniques with IVUS guidance. Postdeployment high-pressure dilatation was at the investigators discretion. During the procedure, intravenous heparin was given to maintain an activated clotting time
250 seconds. One study stent was allowed; use of additional nonstudy stents was at the investigators discretion. After stent implantation, aspirin (>80 mg/d) was administered for at least 12 months and clopidogrel (75 mg/d) for 6 months.
Follow-Up
Clinical evaluation was scheduled at 1, 6, 9, and 12 months after implantation. Angiographic and IVUS imaging was performed before stent implantation, after the procedure, and at 6 months follow-up.
Primary End Point
Major adverse cardiac events (MACE), including death from any cause, Q-wave myocardial infarction, target vessel revascularization, and stent thrombosis at 30 days, were defined as the primary end point of this trial. Q-wave myocardial infarction was defined as development of Q waves in
2 contiguous leads with postprocedural creatine kinase and isoenzyme (CK-MB) levels elevated above normal. Target vessel revascularization was subclassified as CABG surgery, percutaneous intervention on the target lesions (target lesion revascularization [TLR]) or percutaneous intervention on the nontarget lesion. An independent Clinical Events Committee adjudicated adverse events, including MACE.
Angiographic and IVUS Analysis
Coronary angiograms were obtained in multiple views after intracoronary injection of nitroglycerin. Angiograms and IVUS images were analyzed according to previously published methods by an independent core laboratory (Heart Core, Leiden, the Netherlands). Quantitative coronary angiographic end points included binary restenosis, defined as >50% diameter stenosis; reference vessel diameter (RVD); minimum lumen diameter (MLD); percent diameter stenosis (%DS); late lumen loss; and late loss index. Late lumen loss was measured as the difference between postintervention MLD and MLD at follow-up. RVD, MLD, and %DS were measured before the procedure, after the procedure, and at follow-up.
IVUS images were acquired after the procedure and at the 6-month follow-up visit with the use of automated pull-back after intracoronary administration of nitrates. A computer-based contour detection program was used for automated 3D reconstruction of the segment. Lumen, stent boundaries, and external elastic membrane were detected with a minimum cost algorithm, and volumetric quantification was performed. The total analysis segment included the stented segment as well as the margins 5 mm distal and proximal to the stents.
Statistical Analysis
Quantitative data are presented as rates or mean value±SD. Probability values are 2-sided from Students t test for continuous variables and Fishers exact test for categorical variables. A value of P<0.05 was considered significant. The statistical analysis was performed with the aid of commercially available software (SAS Version 6.12).
| Results |
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Clinical MACE Results
The procedural and technical success rate was 100% for both groups. Nonstudy stents were implanted to optimize results in 4 patients in the TAXUS group and 6 in the control group. The 30-day MACE rate was 0% in both groups.
The 6-month MACE rate was 0% (0 of 31 patients) in the TAXUS group compared with 7% in the control group (2 of 30 patients) (P=NS). These two MACE events in the control group were TLRs. One patient had LAD in-stent restenosis with unstable angina at 106 days treated by PTCA. This patient subsequently had CABG at 198 days for recurrent restenosis adjudicated as a second MACE event. The second patient had recurrent angina at 167 days associated with LAD in-stent restenosis treated with atherectomy. As shown in Table 3, the 12-month MACE rate in the control group was 10% (4 events in 3 patients) in comparison with 3% (1 event) in the TAXUS group (P=NS).
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Baseline Lesion Characteristics
Acute angiographic results were comparable between the two groups, as shown in Table 4. The mean RVD after the procedure was 2.99±0.46 mm, with lesion lengths of 10.70±3.27 mm in the TAXUS group. This was similar to the control group RVD of 2.94±0.52 mm and lesion length 11.89±4.93 mm.
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Six-Month Angiographic Results
The 6-month angiographic in-stent binary restenosis rate was 10% (3 of 29 patients) for the control stent and 0% (0 of 30 patients) for the TAXUS stent (P=NS). Mean %DS at 6 months was significantly lower in the TAXUS group than in the control group (13.56% versus 27.23%, P<0.001). The MLD was significantly larger in the TAXUS group than in the control group (2.60 mm versus 2.19 mm; P=0.007). Late lumen loss and loss index were significantly improved in the TAXUS group (all P<0.009, Table 4).
As shown in the Figure, there was a significant improvement in the %DS within the stented area with no differences at the proximal and distal edges (5 mm from the stent margins) between the TAXUS and control groups.
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Six-Month IVUS Results
The baseline IVUS characteristics were similar in both groups (Table 5). After the procedure, no significant differences were noted between the groups for minimal lumen area or neointimal hyperplasia. At 6 months after the procedure, the mean minimal lumen area in the TAXUS group was significantly larger than in the control group (5.6 mm2 versus 4.8 mm2, P=0.027). Neointimal hyperplasia was significantly less in the TAXUS group than in the control group (14.8 mm3 versus 21.6 mm3, P=0.028).
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Covariate Analysis
Covariate analysis showed patients with concentric stenosis had lower late loss values than did those with eccentric stenosis (P=0.02). Other covariates, including diabetes, smoking, vessel location, tortuosity, and calcification, were not predictive of angiographic or IVUS outcomes.
| Discussion |
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Despite the small number of patients and excellent results in the control group, promising efficacy for the TAXUS slow-release formulation is supported by significant and concordant improvements in the QCA and IVUS parameters.
At 6 months, there were reductions in the %DS and late lumen loss compared with the control stent. This was confirmed by the IVUS data showing improvements in the minimal lumen area and normalized neointimal hyperplasia.
This drug-eluting stent system takes advantage of the antineoplastic agent paclitaxel incorporated into a unique slow-release, hydrocarbon-based elastomer polymer system to produce a controlled, biphasic release of this medication into the surrounding tissue. Paclitaxel is a microtubule-stabilizing agent with potent activity against proliferation, migration, and signal transduction.3,5,6,7 The biphasic polymer-controlled drug release of this stent design, providing an early burst release in the first 48 hours followed by a slow release for the subsequent 10 days, appears to attenuate neointimal formation. Blood samples showed no systemic levels of paclitaxel with this slow-release formulation.
Several studies evaluating drug-eluting stents loaded with different antiproliferative agents, such as sirolimus, have recently been published or are still ongoing (RAndomized study with the sirolimus-eluting Bx VELocity balloon-expandable stent [RAVEL], SIRolImUS-coated Bx Velocity stent in the treatment of patients with de novo coronary artery lesions [SIRIUS]).8 Reported by Sousa et al,9 the first in-human experience with a sirolimus-coated stent confirmed a profound reduction of neointimal volume with absence of stent restenosis for up to 1 year in the drug-coated stent group. The randomized, multicenter RAVEL trial compared a bare metal stent and the sirolimus-coated BX Velocity stent (140 µg/cm2), demonstrating at 6 months follow-up a restenosis rate of zero in the drug-coated stent group and a lumen loss of -0.01±0.33 mm in the sirolimus group versus 0.80±0.53 mm in the control group. There was no TLR, and the event-free survival rate at 1 year was 94.1% versus 70.9%.10
The persistence of extremely low MACE rates without stent thrombosis or TLR at 12 months in TAXUS I is encouraging. These promising data contrast with reports on the QuaDDs stent system, a high-capacity delivery system involving
5 polymeric sleeves per stent to provide
4000 µg of 7-hexanoyl taxol (QP2, a taxane derivative). Two problems have been reported: very late stent thrombosis (>6 months after implantation) and disappointing 12-month restenotic findings.
Liistro et al11 reported a case of late total occlusion, 7 months after implantation of a QP2-eluting stent, presenting as an acute coronary syndrome after interruption of ticlopidine treatment. One potential mechanism for the very late thrombosis could be discontinuation of antiplatelet therapy when ongoing drug effect prevented adequate neointimal coverage over bare stents to pacify the surface. Liistro et al12 have also reported results from a 15-patient, single-arm, in-stent restenosis registry in which acceptable 6-month outcomes were followed by disappointing 12-month restenotic data in
60% of patients. These reports suggest that the polymer sleeves, milligram doses of 7-hexanoyl taxol, and/or protracted drug delivery from the stent could delay healing or even aggravate the restenotic process.
The design objective of the TAXUS stent system is to use the minimum effective dose for the shortest duration by controlled biphasic drug delivery targeted for the initial phase of the restenotic process. In the TAXUS I study, the absence of TLR at 12 months suggests that the amount and rate of paclitaxel release disrupts the restenotic cascade while allowing sufficient neointimal growth to promote healing and avoid late thrombosis. Ongoing clinical follow-up in the present and the ongoing TAXUS trials on the NIR stent platform (TAXUS II, III) or the EXPRESS stent platform (TAXUS IV, VI) for more complex lesions should provide data on the clinical value of the technology.8
Limitations
Although the present study was a prospective, multicenter, double-blind, randomized trial, several limitations are noteworthy. The trial was conducted at only 3 sites where 31 patients with standard-risk lesions received the slow-release formulation of the TAXUS stent. The control group had excellent clinical and angiographic outcomes that may have limited the ability to identify significant differences with the TAXUS stent. IVUS guidance and extended use of clopidogrel may have contributed to the strong performance in both groups.
Other limitations include the prohibition of multiple stenting and the exclusion of high-risk patients. Given their high restenosis rates, high-risk patients are most likely to realize the greatest benefit from drug-eluting stents. Hand-crimping was employed in this study, potentially introducing the risk of drug displacement and contamination. Nonetheless, no MACE were clearly attributable to such potential risks.
Conclusion
In this feasibility trial, the slow-release formulation of the TAXUS stent offers the possibility of delivering paclitaxel to the target lesion and inhibiting postprocedural neointimal proliferation without adverse local or systemic effects. Larger studies of this promising technology are needed.
| Acknowledgments |
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| Footnotes |
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Received September 19, 2002; accepted October 24, 2002.
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American College of Cardiology/American Heart Asso, 2007 Writing Group to Review New Evidence and Upda, S. B. King III, S. C. Smith Jr, J. W. Hirshfeld Jr, A. K. Jacobs, D. A. Morrison, and D. O. Williams 2007 Focused Update of the ACC/AHA/SCAI 2005 Guideline Update for Percutaneous Coronary Intervention J. Am. Coll. Cardiol., January 15, 2008; 51(2): 172 - 209. [Full Text] [PDF] |
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S. B. King III, S. C. Smith Jr, J. W. Hirshfeld Jr, A. K. Jacobs, D. A. Morrison, D. O. Williams, 2005 WRITING COMMITTEE MEMBERS, S. C. Smith Jr, T. E. Feldman, J. W. Hirshfeld Jr, et al. 2007 Focused Update of the ACC/AHA/SCAI 2005 Guideline Update for Percutaneous Coronary Intervention: A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines: 2007 Writing Group to Review New Evidence and Update the ACC/AHA/SCAI 2005 Guideline Update for Percutaneous Coronary Intervention, Writing on Behalf of the 2005 Writing Committee Circulation, January 15, 2008; 117(2): 261 - 295. [Full Text] [PDF] |
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T. Palmerini, F. Barlocco, A. Santarelli, L. Bacchi-Reggiani, C. Savini, E. Baldini, L. Alessi, M. Ruffini, G. Di Credico, G. Piovaccari, et al. A comparison between coronary artery bypass grafting surgery and drug eluting stent for the treatment of unprotected left main coronary artery disease in elderly patients (aged >=75 years) Eur. Heart J., November 2, 2007; 28(22): 2714 - 2719. [Abstract] [Full Text] [PDF] |
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E. Grube, K. D. Dawkins, G. Guagliumi, A. P. Banning, K. Zmudka, A. Colombo, L. Thuesen, K. Hauptman, J. Marco, W. Wijns, et al. TAXUS VI 2-year follow-up: randomized comparison of polymer-based paclitaxel-eluting with bare metal stents for treatment of long, complex lesions Eur. Heart J., November 1, 2007; 28(21): 2578 - 2582. [Abstract] [Full Text] [PDF] |
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K. M. Das, A. A. El-Menyar, A. M. Salam, R. Singh, W. A. K. Dabdoob, H. A. Albinali, and J. Al Suwaidi Contrast-enhanced 64-Section Coronary Multidetector CT Angiography versus Conventional Coronary Angiography for Stent Assessment Radiology, November 1, 2007; 245(2): 424 - 432. [Abstract] [Full Text] [PDF] |
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B. H. Lee, J. E. Lee, K. W. Lee, H. Y. Nam, H. J. Jeon, Y. J. Sung, J. S. Kim, H. J. Lim, J.-s. Park, J. Y. Ko, et al. Coating with paclitaxel improves graft survival in a porcine model of haemodialysis graft stenosis Nephrol. Dial. Transplant., October 1, 2007; 22(10): 2800 - 2804. [Abstract] [Full Text] [PDF] |
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C. A. Simonton, B. Brodie, B. Cheek, F. Krainin, C. Metzger, J. Hermiller, S. Juk, P. Duffy, A. Humphrey, M. Nussbaum, et al. Comparative Clinical Outcomes of Paclitaxel- and Sirolimus-Eluting Stents: Results From a Large Prospective Multicenter Registry STENT Group J. Am. Coll. Cardiol., September 25, 2007; 50(13): 1214 - 1222. [Abstract] [Full Text] [PDF] |
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C. Bode and M. Zehender The use of antiplatelet agents following percutaneous coronary intervention: focus on late stent thrombosis Eur. Heart J. Suppl., August 1, 2007; 9(suppl_D): D10 - D19. [Abstract] [Full Text] [PDF] |
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R. Moreno, C. Fernandez, A. Sanchez-Recalde, G. Galeote, L. Calvo, F. Alfonso, R. Hernandez, R. Sanchez-Aquino, D. J. Angiolillo, S. Villarreal, et al. Clinical impact of in-stent late loss after drug-eluting coronary stent implantation Eur. Heart J., July 1, 2007; 28(13): 1583 - 1591. [Abstract] [Full Text] [PDF] |
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E. Camenzind, P. G. Steg, and W. Wijns A Cause for Concern Circulation, March 20, 2007; 115(11): 1440 - 1455. [Full Text] [PDF] |
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G. W. Stone, J. W. Moses, S. G. Ellis, J. Schofer, K. D. Dawkins, M.-C. Morice, A. Colombo, E. Schampaert, E. Grube, A. J. Kirtane, et al. Safety and Efficacy of Sirolimus- and Paclitaxel-Eluting Coronary Stents N. Engl. J. Med., March 8, 2007; 356(10): 998 - 1008. [Abstract] [Full Text] [PDF] |
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L. Mauri, W.-h. Hsieh, J. M. Massaro, K. K.L. Ho, R. D'Agostino, and D. E. Cutlip Stent Thrombosis in Randomized Clinical Trials of Drug-Eluting Stents N. Engl. J. Med., March 8, 2007; 356(10): 1020 - 1029. [Abstract] [Full Text] [PDF] |
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G. Muhlenbruch, A. H. Mahnken, M. Das, R. Blindt, C. Hohl, J. E. Wildberger, R. W. Gunther, H. P. Kuhl, and R. Koos Evaluation of Aortocoronary Bypass Stents with Cardiac MDCT Compared with Conventional Catheter Angiography Am. J. Roentgenol., February 1, 2007; 188(2): 361 - 369. [Abstract] [Full Text] [PDF] |
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P. J. Geraghty Bioabsorbable Stenting for Peripheral Arterial Occlusive Disease Perspectives in Vascular Surgery and Endovascular Therapy, December 1, 2006; 18(4): 295 - 298. [Abstract] [PDF] |
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L. Mandinov, K. L. Moodie, A. Mandinova, Z. Zhuang, F. Redican, D. Baklanov, V. Lindner, T. Maciag, M. Simons, and E. D. de Muinck Inhibition of in-stent restenosis by oral copper chelation in porcine coronary arteries Am J Physiol Heart Circ Physiol, December 1, 2006; 291(6): H2692 - H2697. [Abstract] [Full Text] [PDF] |
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J. Rixe, S. Achenbach, D. Ropers, U. Baum, A. Kuettner, U. Ropers, W. Bautz, W. G. Daniel, and K. Anders Assessment of coronary artery stent restenosis by 64-slice multi-detector computed tomography Eur. Heart J., November 1, 2006; 27(21): 2567 - 2572. [Abstract] [Full Text] [PDF] |
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Y. Goueffic, C. Guilluy, P. Guerin, P. Patra, P. Pacaud, and G. Loirand Hyaluronan induces vascular smooth muscle cell migration through RHAMM-mediated PI3K-dependent Rac activation Cardiovasc Res, November 1, 2006; 72(2): 339 - 348. [Abstract] [Full Text] [PDF] |
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K. Yokouchi, Y. Numaguchi, R. Kubota, M. Ishii, H. Imai, R. Murakami, Y. Ogawa, T. Kondo, K. Okumura, D. E. Ingber, et al. l-Caldesmon Regulates Proliferation and Migration of Vascular Smooth Muscle Cells and Inhibits Neointimal Formation After Angioplasty Arterioscler Thromb Vasc Biol, October 1, 2006; 26(10): 2231 - 2237. [Abstract] [Full Text] [PDF] |
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M. J. Suttorp, G. J. Laarman, B. M. Rahel, J. C. Kelder, M. A.R. Bosschaert, F. Kiemeneij, J. M. ten Berg, E. T. Bal, B. J. Rensing, F. D. Eefting, et al. Primary Stenting of Totally Occluded Native Coronary Arteries II (PRISON II): A Randomized Comparison of Bare Metal Stent Implantation With Sirolimus-Eluting Stent Implantation for the Treatment of Total Coronary Occlusions Circulation, August 29, 2006; 114(9): 921 - 928. [Abstract] [Full Text] [PDF] |
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J. Cosgrave, G. Melzi, G. G.L. Biondi-Zoccai, F. Airoldi, A. Chieffo, G. M. Sangiorgi, M. Montorfano, I. Michev, M. Carlino, E. Bonizzoni, et al. Drug-Eluting Stent Restenosis: The Pattern Predicts the Outcome J. Am. Coll. Cardiol., June 20, 2006; 47(12): 2399 - 2404. [Abstract] [Full Text] [PDF] |
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D. R. Spahn, S. J. Howell, A. Delabays, and P.-G. Chassot Coronary stents and perioperative anti-platelet regimen: dilemma of bleeding and stent thrombosis. Br. J. Anaesth., June 1, 2006; 96(6): 675 - 677. [Full Text] [PDF] |
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A. Hoye, I. Iakovou, L. Ge, C. A.G. van Mieghem, A. T.L. Ong, J. Cosgrave, G. M. Sangiorgi, F. Airoldi, M. Montorfano, I. Michev, et al. Long-Term Outcomes After Stenting of Bifurcation Lesions With the "Crush" Technique: Predictors of an Adverse Outcome J. Am. Coll. Cardiol., May 16, 2006; 47(10): 1949 - 1958. [Abstract] [Full Text] [PDF] |
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P. W. Serruys Fourth Annual American College of Cardiology International Lecture: A Journey in the Interventional Field J. Am. Coll. Cardiol., May 2, 2006; 47(9): 1754 - 1768. [Full Text] [PDF] |
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R. Blindt, F. Vogt, I. Astafieva, C. Fach, M. Hristov, N. Krott, B. Seitz, A. Kapurniotu, C. Kwok, M. Dewor, et al. A Novel Drug-Eluting Stent Coated With an Integrin-Binding Cyclic Arg-Gly-Asp Peptide Inhibits Neointimal Hyperplasia by Recruiting Endothelial Progenitor Cells J. Am. Coll. Cardiol., May 2, 2006; 47(9): 1786 - 1795. [Abstract] [Full Text] [PDF] |
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T. A. Vassiliades Jr, J. S. Douglas, D. C. Morris, P. C. Block, Z. Ghazzal, S. T. Rab, and C. U. Cates Integrated coronary revascularization with drug-eluting stents: Immediate and seven-month outcome J. Thorac. Cardiovasc. Surg., May 1, 2006; 131(5): 956 - 962. [Abstract] [Full Text] [PDF] |
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C Roiron, P Sanchez, A Bouzamondo, P Lechat, and G Montalescot Drug eluting stents: an updated meta-analysis of randomised controlled trials Heart, May 1, 2006; 92(5): 641 - 649. [Abstract] [Full Text] [PDF] |
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C Stettler, S Allemann, M Egger, S Windecker, B Meier, and P Diem Efficacy of drug eluting stents in patients with and without diabetes mellitus: indirect comparison of controlled trials Heart, May 1, 2006; 92(5): 650 - 657. [Abstract] [Full Text] [PDF] |
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A. E. Rodriguez, J. F. Granada, M. Rodriguez-Alemparte, C. F. Vigo, J. Delgado, C. Fernandez-Pereira, A. Pocovi, A. M. Rodriguez-Granillo, D. Schulz, A. E. Raizner, et al. Oral Rapamycin After Coronary Bare-Metal Stent Implantation to Prevent Restenosis: The Prospective, Randomized Oral Rapamycin in Argentina (ORAR II) Study J. Am. Coll. Cardiol., April 18, 2006; 47(8): 1522 - 1529. [Abstract] [Full Text] [PDF] |
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G. Weisz, M. B. Leon, D. R. Holmes Jr, D. J. Kereiakes, M. R. Clark, B. M. Cohen, S. G. Ellis, P. Coleman, C. Hill, C. Shi, et al. Two-Year Outcomes After Sirolimus-Eluting Stent Implantation: Results From the Sirolimus-Eluting Stent in de Novo Native Coronary Lesions (SIRIUS) Trial J. Am. Coll. Cardiol., April 4, 2006; 47(7): 1350 - 1355. [Abstract] [Full Text] [PDF] |
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S. G. Raja Drug-Eluting Stents and the Future of Coronary Artery Bypass Surgery: Facts and Fiction Ann. Thorac. Surg., March 1, 2006; 81(3): 1162 - 1171. [Abstract] [Full Text] [PDF] |
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M.-C. Morice, A. Colombo, B. Meier, P. Serruys, C. Tamburino, G. Guagliumi, E. Sousa, H.-P. Stoll, and for the REALITY Trial Investigators Sirolimus- vs Paclitaxel-Eluting Stents in De Novo Coronary Artery Lesions: The REALITY Trial: A Randomized Controlled Trial JAMA, February 22, 2006; 295(8): 895 - 904. [Abstract] [Full Text] [PDF] |
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P. W. Serruys, M. J.B. Kutryk, and A. T.L. Ong Coronary-Artery Stents N. Engl. J. Med., February 2, 2006; 354(5): 483 - 495. [Full Text] [PDF] |
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C.-H. Lee, H.-C. Tan, and Y.-T. Lim Update on Drug-Eluting Stents for Prevention of Restenosis Asian Cardiovasc Thorac Ann, February 1, 2006; 14(1): 75 - 82. [Abstract] [Full Text] [PDF] |
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G. Tepe, P. Muschick, M. Laule, F. Reddig, C. D. Claussen, L. M. Dinkelborg, H. Tielemans, M. Wehrmann, and S. H. Duda Prevention of Carotid Artery Restenosis After Sirolimus-Coated Stent Implantation in Pigs Stroke, February 1, 2006; 37(2): 492 - 494. [Abstract] [Full Text] [PDF] |
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L. W. Klein Are Drug-Eluting Stents the Preferred Treatment for Multivessel Coronary Artery Disease? J. Am. Coll. Cardiol., January 3, 2006; 47(1): 22 - 26. [Abstract] [Full Text] [PDF] |
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S. C. Smith Jr, T. E. Feldman, J. W. Hirshfeld Jr, A. K. Jacobs, M. J. Kern, S. B. King III, D. A. Morrison, W. W. O'Neill, H. V. Schaff, P. L. Whitlow, et al. ACC/AHA/SCAI 2005 Guideline Update for Percutaneous Coronary Intervention--Summary Article: A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (ACC/AHA/SCAI Writing Committee to Update the 2001 Guidelines for Percutaneous Coronary Intervention) J. Am. Coll. Cardiol., January 3, 2006; 47(1): 216 - 235. [Full Text] [PDF] |
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S. C. Smith Jr, T. E. Feldman, J. W. Hirshfeld Jr, A. K. Jacobs, M. J. Kern, S. B. King III, D. A. Morrison, W. W. O'Neill, H. V. Schaff, P. L. Whitlow, et al. ACC/AHA/SCAI 2005 Guideline Update for Percutaneous Coronary Intervention--Summary Article: A Report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (ACC/AHA/SCAI Writing Committee to Update the 2001 Guidelines for Percutaneous Coronary Intervention) Circulation, January 3, 2006; 113(1): 156 - 175. [Full Text] [PDF] |
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A Bagust, A D Grayson, N D Palmer, R A Perry, and T Walley Cost effectiveness of drug eluting coronary artery stenting in a UK setting: cost-utility study Heart, January 1, 2006; 92(1): 68 - 74. [Abstract] [Full Text] [PDF] |
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P. Ramrakha and J. Hill Chapter 15 Major trials in cardiology Oxford Handbook of Cardiology, January 1, 2006; 1(1): med-9780198525974-chapter - med-9780198525974-chapter. [Full Text] |
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W. Alvarez Jr and N. K. Kapur Drug Eluting Stent Technology: A Paradigm Shift in the Treatment and Prevention of Restenosis Journal of Pharmacy Practice, December 1, 2005; 18(6): 461 - 478. [Abstract] [PDF] |
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N. M.M. Pires, A. Schepers, B. L. van der Hoeven, M. R. de Vries, L. S.M. Boesten, J. W. Jukema, and P. H.A. Quax Histopathologic alterations following local delivery of dexamethasone to inhibit restenosis in murine arteries Cardiovasc Res, December 1, 2005; 68(3): 415 - 424. [Abstract] [Full Text] [PDF] |
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K. D. Dawkins, E. Grube, G. Guagliumi, A. P. Banning, K. Zmudka, A. Colombo, L. Thuesen, K. Hauptman, J. Marco, W. Wijns, et al. Clinical Efficacy of Polymer-Based Paclitaxel-Eluting Stents in the Treatment of Complex, Long Coronary Artery Lesions From a Multicenter, Randomized Trial: Support for the Use of Drug-Eluting Stents in Contemporary Clinical Practice Circulation, November 22, 2005; 112(21): 3306 - 3313. [Abstract] [Full Text] [PDF] |
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J. J. Nawarskas and L. A. Osborn Paclitaxel-eluting stents in coronary artery disease Am. J. Health Syst. Pharm., November 1, 2005; 62(21): 2241 - 2251. [Abstract] [Full Text] [PDF] |
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L. Mauri, E. J. Orav, S. C. Candia, D. E. Cutlip, and R. E. Kuntz Robustness of Late Lumen Loss in Discriminating Drug-Eluting Stents Across Variable Observational and Randomized Trials Circulation, November 1, 2005; 112(18): 2833 - 2839. [Abstract] [Full Text] [PDF] |
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A. Colombo and J. Cosgrave Paclitaxel-Eluting Stents in Complex Lesions JAMA, September 14, 2005; 294(10): 1268 - 1270. [Full Text] [PDF] |
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S. Windecker, A. Remondino, F. R. Eberli, P. Juni, L. Raber, P. Wenaweser, M. Togni, M. Billinger, D. Tuller, C. Seiler, et al. Sirolimus-Eluting and Paclitaxel-Eluting Stents for Coronary Revascularization N. Engl. J. Med., August 18, 2005; 353(7): 653 - 662. [Abstract] [Full Text] [PDF] |
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H.-J. Priebe Perioperative myocardial infarction--aetiology and prevention Br. J. Anaesth., July 1, 2005; 95(1): 3 - 19. [Abstract] [Full Text] [PDF] |
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J. C. Henry, M. M. Bonar, P. N. Kearns, H. Cui, M. M. Mutchler, M. V. Martin, A. R. Orsini, H. L. Elford, C. A. Bush, J. L. Zweier, et al. Inhibition of Ribonucleotide Reductase Reduces Neointimal Formation following Balloon Injury J. Pharmacol. Exp. Ther., July 1, 2005; 314(1): 70 - 76. [Abstract] [Full Text] [PDF] |
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L. Mauri, E. J. Orav, and R. E. Kuntz Late Loss in Lumen Diameter and Binary Restenosis for Drug-Eluting Stent Comparison Circulation, June 28, 2005; 111(25): 3435 - 3442. [Abstract] [Full Text] [PDF] |
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M. A. Costa and D. I. Simon Molecular Basis of Restenosis and Drug-Eluting Stents Circulation, May 3, 2005; 111(17): 2257 - 2273. [Full Text] [PDF] |
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J. B. Hermiller, A. Raizner, L. Cannon, P. A. Gurbel, M. A. Kutcher, S. C. Wong, M. E. Russell, S. G. Ellis, R. Mehran, G. W. Stone, et al. Outcomes with the polymer-based paclitaxel-eluting TAXUS stent in patients with diabetes mellitus: The TAXUS-IV trial J. Am. Coll. Cardiol., April 19, 2005; 45(8): 1172 - 1179. [Abstract] [Full Text] [PDF] |
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A. T.L. Ong, P. W. Serruys, J. Aoki, A. Hoye, C. A.G. van Mieghem, G. A. Rodriguez-Granillo, M. Valgimigli, K. Sonnenschein, E. Regar, M. van der Ent, et al. The unrestricted use of paclitaxel- versus sirolimus-eluting stents for coronary artery disease in an unselected population: One-year results of the Taxus-Stent Evaluated at Rotterdam Cardiology Hospital (T-SEARCH) registry J. Am. Coll. Cardiol., April 5, 2005; 45(7): 1135 - 1141. [Abstract] [Full Text] [PDF] |
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A. A. Bavry, D. J. Kumbhani, T. J. Helton, and D. L. Bhatt What is the risk of stent thrombosis associated with the use of paclitaxel-eluting stents for percutaneous coronary intervention?: A meta-analysis J. Am. Coll. Cardiol., March 15, 2005; 45(6): 941 - 946. [Abstract] [Full Text] [PDF] |
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