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This meta-analysis suggests that the use of stent-less DEB strategies offers a safety and efficacy profile comparable to DES implantation in the treatment of calcified coronary lesions, especially when followed by adequate plaque preparation. Although the DEB strategy was associated with inferior acute angiographic outcomes, it appears to be associated with better angiographic results at 12 months, with a greater reduction in late lumen loss. While prospective studies with larger sample sizes and a longer follow-up are needed, these findings may support the potential of the DEB technique as a viable alternative in the treatment of CCLs.
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Coronary artery bypass grafting is associated with a higher risk for all-cause and in-hospital mortality compared with percutaneous coronary intervention in patients on dialysis.
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Despite the progress, challenges remain within the ureteral stents market: - Stent-related Complications: Common issues include discomfort, urinary symptoms, and encrustation leading to the need for replacement.
- Cost Considerations: High cost of innovative stents can limit accessibility, especially in developing regions.
- Infection Risks: Stents can increase the risk of urinary tract infections.
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Intravascular ultrasound-guided percutaneous coronary intervention has been shown to result in superior clinical outcomes compared with angiography-guided percutaneous coronary intervention. However, insufficient data are available concerning the advantages of intravascular ultrasound guidance for patients with an acute coronary syndrome. This trial aimed to investigate whether the use of intravascular ultrasound guidance, as compared with angiography guidance, improves the outcomes of percutaneous coronary intervention with contemporary drug-eluting stents in patients presenting with an acute coronary syndrome.
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This Perspective article is a form of ‘pastiche’, inspired by the 1993 review by Lincoff and Topol entitled ‘Illusion of reperfusion’, and explores how their concept continues to apply to percutaneous revascularization in patients with coronary artery disease and ischaemia. Just as Lincoff and Topol argued that reperfusion of acute myocardial infarction was facing unresolved obstacles that hampered clinical success in 1993, we propose that challenging issues are similarly jeopardizing the potential benefits of stent-based angioplasty today. By analysing the appropriateness and efficacy of percutaneous coronary intervention (PCI), we emphasize the limitations of relying solely on visual angiographic guidance, which frequently leads to inappropriate stenting and overtreatment in up to one-third of patients and the associated increased risk of periprocedural myocardial infarction. The lack of optimal revascularization observed in half of patients undergoing PCI confers risks such as suboptimal physiology after PCI, residual angina and long-term stent-related events, leaving an estimated 76% of patients with an ‘illusion of revascularization’.
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The presence of microvascular disease anywhere in the body significantly increases the risk for leg amputation in ensuing decade, results of a large study of US veterans shows. Additionally, in patients with PAD, having microvascular diseases such as retinopathy and neuropathy dramatically compounds lower-limb risk.
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Until today, there were no stents or drug-coated balloons approved for use below the knee in the U.S. The standard of care has been balloon angioplasty, which relies on a small balloon delivered via a catheter to the blockage to compress it against the arterial wall, opening the vessel and restoring blood flow. However, blockages treated only with balloon angioplasty have poor short- and long-term results, and in many instances the vessels become blocked again, requiring additional treatment. The Esprit BTK System is a first-of-its-kind dissolvable stent and is comprised of material similar to dissolving sutures. The device is implanted during a catheter-based minimally invasive procedure via a small incision in the leg. Once the blockage is open, the Esprit BTK scaffold helps heal the vessel and provides support for approximately three years until the vessel is strong enough to remain open on its own.
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Patients who received the scaffold also saw significantly fewer clinical events—such as amputations starting above the ankle, total blockage of the targeted vessel or the need for a repeat procedure within one year. The study also tracked major limb interventions, including surgical bypass grafting or mechanical blood clot removals. After 12 months, 74% of patients treated with Esprit BTK had zero of these clinical events, compared to only 44% of those in the angioplasty arm, while safety measures between the two groups were similar. The pivotal results were simultaneously published in the New England Journal of Medicine.
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Overall, antithrombogenicity was better in the order FP-EES, BL-ZES, EP-RES and BMS. Although three durable polymer DES showed greater albumin coverage as compared to BMS, albumin intensity indicating concentration of albumin was not equivalent in three durable polymer DES. The results of albumin adsorption might be the cause of differences in platelet adhesion seen in the three different types of durable polymer DES and BMS, although other factors such as the adhesion of leukocytes also probably play a role. Because we also showed that the antiproliferative agents loaded onto DES have some thromboresistant properties, it is important to acknowledge the potential contribution of the antiproliferative agents as contributing to the thromboresistant effects seen in the different DES studied. These experiments may provide insight into the suitability of different durable polymer DES for shortening DAPT duration.
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The launch of Esprit BTK also compensates for the withdrawal of Absorb BVS, although the Esprit BTK market is currently not comparable to the coronary stent market at all. However, with a market volume of more than 200,000, it will be able to recoup the development costs of absorbable stents and support the development of a new generation of absorbable coronary stents. In February, CE approved Biotronik's next-generation resorbable coronary stent, Freesolve, and overseas response to Freesolve has been very favorable. This will also provide impetus for Abbott's absorbable coronary stent development. We are looking forward to the resurgence of absorbable stents in the future.
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Carmat aims to meet a major public health challenge related to cardiovascular diseases, namely heart failure, the leading cause of death in the western world. More specifically, Carmat aims to provide a lasting solution for the treatment of terminal heart failure, a disease for which there are very few effective options today, the main one being heart transplants.
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In this study, patients with carotid artery plaque in which MNPs were detected had a higher risk of a composite of myocardial infarction, stroke, or death from any cause at 34 months of follow-up than those in whom MNPs were not detected.
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Antiplatelet therapy is a cornerstone in the management of acute coronary syndromes. Even if recent guidelines confirm the use of a dual antiplatelet regimen consisting of aspirin and a P2Y12 inhibitor as the standard of care, dramatic changes in stent technology and features of patients have led to greater attention to the balance between hemorrhagic and thrombotic risk. Taking into consideration all these aspects, recent years have been characterized by an effort to define alternative strategies to limit hemorrhagic complications while ensuring an efficacious antithrombotic effect, which have been tested in numerous RCTs, such as P2Y12 monotherapy and guided or unguided downgrading of DAPT. Evidence regarding the net clinical benefit of these alternative strategies in patients with high bleeding risk has led to an update of the latest guidelines.
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P2Y12 inhibitor monotherapy following 3-month dual antiplatelet therapy (DAPT) is not inferior to 12-month DAPT regarding net adverse clinical events in patients with coronary artery disease after percutaneous coronary intervention (PCI) with drug-eluting stents, according to study findings published in the Journal of the American Medical Association Network Open.
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This retrospective single-center registry study included all consecutive patients who underwent percutaneous coronary intervention (PCI) for a de novo left main coronary artery lesion using drug coated-balloon (DCB)-only strategy between August 2011 and December 2018. To best of our knowledge, no previous studies of DCB-only strategy of treating de novo left main coronary artery disease, exist. The primary endpoint was major adverse cardiovascular events (MACEs) including cardiac death, non-fatal myocardial infarction, and target lesion revascularization (TLR).
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Despite substantial advances in stent technology, ISR remains the primary cause of target lesion failure after PCI. The available evidence supports the use of DCB angioplasty and DES implantation as first-line therapies for ISR. Nonetheless, the choice between DES and DCB should be individualized based on clinical, anatomical, and technical factors. In this regard, intravascular imaging with IVUS and OCT can be useful for identifying the primary mechanisms leading to ISR and guiding the interventional strategy during PCI.
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In the UK National Institute for Health and Care Research (NIHR) Health Technology Assessment (HTA)-funded BASIL-3 randomised controlled trial (RCT), neither drug-coated balloon (DCB) angioplasty with or without bare metal stent nor drug-eluting stent (DES), when used in the femoropopliteal segment, conferred a hypothesised clinical benefit over femoropopliteal plain balloon angioplasty with or without bare metal stent.
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The current state of femoropopoliteal revascularization allows for an endovascular approach to address most PAD lesions, regardless of clinical syndrome, reserving surgery for special cases or refractory lesions. Innovation in devices has resulted in improved patency rates comparable to those of surgical revascularization, with the added benefit of rapid recovery time, including allowing for outpatient-based procedures. Newer technologies, including plaque modification devices, DCBs, and intravascular imaging, have resulting in greater preservation of the native vessel without the need for stent implantation. These developments, combined with a general philosophy of “leave the least behind” with regards to stenting, have shown significant improvement in procedural technical success rates and freedom from TLR.
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With IN.PACT AV Access having demonstrated superior outcomes at three years with the IN.PACT AV DCB versus plain balloon angioplasty for dialysis access—as per a presentation from Holden at last year’s CX Symposium—the speaker initially noted that it is currently the only randomised pivotal study to have produced “consistent and sustained clinical benefit” with an arteriovenous fistula (AVF) treatment device at such a long-term follow-up.
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Avantage majeur rapporté et faisant tout l’intérêt de ce stent: la motricité vasculaire est restaurée à 12 mois et se révèle supérieure à celle observée avec le stent classique, grâce à la résorption du biopolymère faisant la liaison entre les structures métalliques du dispositif qui se retrouvent alors indépendantes les unes des autres, apportant ainsi de la souplesse au stent.
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HF hospitalization rates and symptom burdens remain high in patients with HF. In addition to drug therapy, several interventional procedures for neuromodulation have been increasingly investigated in patients with HF. This article summarizes the pathophysiologic rationale and latest clinical evidence for interventional neuromodulating therapies investigated in HF, including catheter-based renal sympathetic denervation (RDN), unilateral electrical baroreflex activation therapy (BAT), and endovascular BAT
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Autonomic modulation has been proposed as a potential therapeutic strategy aimed at reduction of systemic inflammation. Such therapies, complementary to drug and device-based therapies may lead to improved patient outcomes and reduce disease burden. Most professional societies currently do not provide a clear recommendation on the use of neuromodulation techniques in HF. These include direct and indirect vagal nerve stimulation, spinal cord stimulation, baroreflex activation therapy, carotid sinus stimulation, aortic arch stimulation, splanchnic nerve modulation, cardiopulmonary nerve stimulation, and renal sympathetic nerve denervation. In this review, we provide a comprehensive overview of neuromodulation in HF.
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EDTA-3Na/H2O or EDTA-2Na/H2O with longer circulation times resulted in greater calcium reduction in atherosclerotic lesion. EDTA may have a potential therapeutic option for the treatment of atherosclerotic calcified lesions.
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Chelation therapy works by administering chelating agents that bind to heavy metals and safely remove them from the body through the urine. These compounds work by forming multiple chemical bonds to a metal ion.
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The investigation underscores the significance of corrosion resistance and biocompatibility in diverse anatomical cavities. The quintessential biodegradable Mg stent ought to possess stellar mechanical properties, biodegradability, and commendable biocompatibility while taking into account site-specific requisites. The utilization of degradable stents obviates the necessity for secondary interventions and proffers unparalleled advantages in disparate luminal environments. Mg alloys have garnered attention as exceedingly promising materials for multifaceted human implants, owing to their mechanical attributes and degradation kinetics. Nevertheless, challenges such as mechanical support duration, degradation kinetics, biological functionality, and compatibility with minimally invasive therapeutic modalities necessitate redressal for prospective device translation.
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BEEYOND is a consulting company in the field of disruptive innovation, accompanying established companies on out-of-the-core growth strategy, from creation of new concepts to product launch. Reach us at: contact@beeyond.fr.
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