Articles tagged with Angiography
A new study found that QFR-guided PCI resulted in lower one-year rates of heart attack and a lesser chance of needing additional PCI, with a 35% reduction in mortality. The technology helped eliminate unnecessary stents and identified more obstructive lesions.
A new imaging technique can identify stroke patients with slow-growing ischemic cores, who are most likely to benefit from late thrombectomy. The study found that patients with symmetric collateral patterns had slower core growth and were more treatable.
A study of 59 cardiac myxoma patients found that angiographically detectable neovascularity was associated with a borderline lower rate of major adverse cardiac and cerebrovascular events. The findings suggest potential clinical significance of this phenomenon in patients with cardiac myxoma.
Researchers develop a new method for reducing X-ray exposure during coronary angiography procedures by applying video interpolation techniques to frame rates. The approach uses a dataset of 95,039 images and achieves significant reductions in X-ray exposure frequency.
A study published in the New England Journal of Medicine found that FFR-guided PCI had no significant benefits for STEMI patients with multi-vessel disease and was more expensive than angiography alone. The FLOWER-MI trial enrolled 1,171 patients who underwent a second stenting procedure after a STEMI heart attack.
The Harmony transcatheter pulmonary valve system is a less invasive treatment option for patients with CHD and RVOT abnormalities. The one-year results show no mortality, endocarditis, or need for surgical intervention, with over 90% of patients reporting little to no pulmonary regurgitation.
A new international registry analysis reveals benefits of using longer covered stents for interventional procedures in congenital heart disease patients. The study found that these longer stents significantly reduce the need for additional stents and minimize procedural risk factors, potentially replacing open-heart surgery.
A new study reveals that only 32.3% of US patients undergoing PCI for SIHD met ISCHEMIA trial inclusion criteria, while others had high-risk features or negative functional testing. These findings suggest the trial's results may not be representative of real-world interventional practice.
The Society for Cardiovascular Angiography and Interventions has released updated consensus guidelines on best practices in cardiac catheterization laboratories. The new recommendations focus on patient-centered approaches, staff qualifications, and quality metrics to optimize outcomes. The document covers topics such as pre-procedure ...
The study analyzed over 1,600 patients with STEMI during the COVID-19 pandemic and found that those with COVID-19 positive status had higher in-hospital mortality and were less likely to receive diagnostic angiograms. Additionally, patients of minority ethnicity and with diabetes had poorer outcomes.
During the pandemic, a 70% decrease was observed in heart attack patients seeking care, with those receiving treatment experiencing more severe symptoms due to delays. The study underscores the importance of early treatment and public education on cardiac care.
The study confirms long-term DAPT as an optimal treatment option for ACS patients following PCI, reducing ischemic events without increasing bleeding. Extended DAPT was associated with a lower risk of major cardiovascular events without an increase in bleeding events in high-risk patients.
A study found that people living with HIV have a two to three times higher noncalcified coronary plaque burden than non-HIV healthy volunteers. Researchers emphasize the importance of adopting a heart-healthy lifestyle for those with HIV.
A clinical trial found that immediate angiography reduced stroke treatment time by nearly half and improved recovery rates. At 90 days post-stroke, patients who underwent angiography showed a higher likelihood of regaining independence compared to those receiving standard CT scans.
A study suggests that COVID-19 guidance in Sweden led to reduced exposure to heart attack triggers such as stress and intense physical activity. The proportion of patients attending emergency cardiac angiography units dropped by 38% on days when people stayed close to home, indicating a potential reduction in heart attack risks.
A deep learning system has been developed to detect cerebral aneurysms with a sensitivity of 97.5%. The algorithm detected 633 of the 649 cerebral aneurysms and found eight new aneurysms overlooked by human readers.
The FORECAST trial found that fractional flow reserve derived from computed tomography coronary angiography (FFRCT) reduced the use of invasive coronary angiography by 22% without significantly reducing costs. The strategy also showed promise in terms of reducing healthcare utilization and improving patient outcomes.
A study published in Radiology found that 51% of patients with a pulmonary embolism were diagnosed in the Emergency Department, and 72% of PE diagnoses occurred in patients not requiring ICU-level care. Early detection using CT angiography was key to treatment, and preventive blood thinners should be considered for COVID-19 patients.
The Society for Cardiovascular Angiography and Interventions (SCAI) has released a position statement on optimal percutaneous interventional therapy for complex coronary artery disease. The guidelines address the challenges of treating patients with advanced age, frailty, comorbidities, and compromised hemodynamic status.
The Society for Cardiovascular Angiography and Interventions (SCAI) has issued a position statement on the performance of percutaneous coronary intervention (PCI) in ambulatory surgical centers (ASCs). The guidelines recommend diagnostic procedures, procedural standards, and operator standards for ASCs, emphasizing patient suitability ...
The Society for Cardiovascular Angiography and Interventions has released comprehensive guidelines for selecting devices used in aorto-iliac arterial interventions. The recommendations aim to provide clinicians with practical guidance based on comparative effectiveness data.
The Society for Cardiovascular Angiography and Interventions has issued recommendations on adult congenital cardiac interventional training, focusing on eligibility, training environment, and procedural volume. The guidelines suggest a minimum of 150 ACHD catheterization cases for trainees to participate in as primary or first assistant.
The journal CVIA has published a new issue featuring important research papers from leading cardiologists worldwide. The International Brugada Electrocardiographic Indices Registry invites new members to contribute to evaluating the disease life course, risk factors, and prognosis in Brugada patients.
A new study from the Joslin Diabetes Center reveals that ultra-wide field (UWF) fluorescein angiography detects over three times more microaneurysms than UWF color imaging, highlighting the need for cautious use of these techniques when evaluating and treating diabetic retinopathy. The research also suggests that AI can automate the gr...
The ISCHEMIA trial found that early revascularization doesn't lower rates of death or heart failure in stable patients, but improves quality of life and reduces spontaneous heart attacks. The study confirms the effectiveness of PCI in relieving angina symptoms.
Early coronary angiography can reduce delay to revascularization and improve outcomes in patients with coronary artery disease after cardiac arrest. The selection of patients who will benefit from early angiography is crucial due to uncertain neurologic outcomes.
Researchers examined medical imaging practices among nearly 3.5 million pregnant women in the US and Canada between 1996 and 2016, revealing declining trends in some procedures. The study found that imaging rates decreased over time, with a notable drop in conventional x-rays, angiography, and fluoroscopy.
Researchers at Charité - Universitätsmedizin Berlin found that non-invasive coronary computed tomography (CT) angiography is equally accurate to catheter angiography for diagnosing coronary artery disease. The study suggests that CT angiography can be a suitable diagnostic technique for patients with low to intermediate probability of ...
A new study published in the Journal of Vascular and Interventional Radiology found significant growth in hemodialysis conduit angiography utilization, increasing by 1700% nationally from 2001 to 2015. This trend was particularly pronounced among nephrologists, with a 24.0% increase in procedures performed annually in office settings.
The Society for Cardiovascular Angiography and Interventions (SCAI) has awarded its highest designation, Master Interventionalists of SCAI (MSCAI), to seven outstanding interventional cardiologists. These individuals have demonstrated excellence in invasive/interventional cardiology, clinical care, innovation, publication, and teaching.
A novel non-hyperemic pressure ratio (NHPR) index, combined with fractional flow reserve (FFR), accurately predicts percutaneous coronary intervention (PCI) success. The study found a significant linear correlation between NHPR and FFR, with a Pd/Pa value of <0.90 demonstrating excellent diagnostic performance against FFR.
The Saranas Early Bird Bleed Monitoring System has been shown to detect bleeding events during endovascular procedures with a high degree of accuracy, reducing the risk of complications and mortality. The device was tested in 60 patients and detected bleeding in 63% of cases, with no device-related complications reported.
A global registry demonstrates FFR provides valuable additional information after angiography, resulting in treatment changes in over a third of patients. The study showed more patients were assigned to medical management and CABG post-FFR than post-angiography.
A new study found that IVUS-guided drug-eluting stent implantation significantly reduces target vessel failure and improves quality of life in chronic kidney disease patients. The treatment approach was compared to traditionally used angiography-guidance, showing better outcomes at the 12-month mark.
A new study has established a nationwide treatment protocol for cardiogenic shock, saving 72% of patients' lives. The protocol, which emphasizes invasive hemodynamic monitoring and mechanical circulatory support, was tested in 35 sites across the US.
The article discusses the practical clinical applications of cardiac computed tomography-derived fractional flow reserve (FFR-CT) in evaluating coronary artery disease (CAD). FFR-CT analysis may help reduce additive functional testing for patients with intermediate stenosis, providing a more efficient and accurate assessment of CAD.
Imaging techniques like cardiac MRI and intravascular imaging can help diagnose the underlying cause of MI in women without obstructive CAD. These methods provide crucial information for treatment decisions.
In patients without STEMI, immediate coronary angiography did not improve survival at 90 days compared to waiting a few days before undergoing the procedure. Clearing arteries with PCI sooner after cardiac arrest may not necessarily reduce long-term brain damage and its key factor in survival.
A study published in Critical Care Explorations found that both CT angiography and transcranial Doppler have limited accuracy in detecting cerebral vasospasm and predicting delayed cerebral ischemia in patients with subarachnoid hemorrhage. The tests showed conflicting results, with CT angiography being highly sensitive but lacking spe...
A multicenter study found that IVUS guidance over angiography guidance during DES implantation reduces target vessel failure by lowering the rate of TVF at one year. The ULTIMATE trial showed improved clinical outcomes, particularly for patients who had an IVUS-defined optimal procedure.
The SCAI-WIN program aims to increase female participation in interventional cardiology. Megha Prasad has been selected for a $100,000 fellowship to develop complex and high-risk intervention skills.
Coronary angiography is essential for detecting acutely occluded epicardial coronary arteries in resuscitated individuals with out-of-hospital cardiac arrest. Numerous cohort studies have shown an association between survival and early coronary angiography and/or percutaneous coronary intervention.
A study found that post-mortem CT angiography outperformed conventional autopsy in detecting skeletal and vascular lesions, which can provide crucial information in post-mortem examinations. The technique showed high sensitivity and specificity, making it an excellent choice for investigating traumatic deaths.
Researchers used whole-body magnetic resonance angiography to detect early atherosclerotic disease in asymptomatic individuals, finding nearly half had at least one narrowed artery. The study suggests the technique's potential for stratifying individuals with disease burden and informing preventative therapy.
The MitraClip device has demonstrated improved echocardiogram measurements and six-minute walk test outcomes, with significant reductions in left ventricle volume and NYHA classification. The study also showed substantial improvement in quality of life outcomes for patients with mitral valve regurgitation.
A new study reveals that treating psoriasis with biologic therapy can significantly reduce coronary plaque. The research found that the treatments not only decreased plaque volume but also reduced inflammation, leading to fewer characteristics prone to rupture and cause a heart attack over time.
A new study has found that patients who undergo TAVR procedure and stay in the hospital for more than 72 hours may be at risk of negative short and long-term outcomes. The study identified independent predictors of both early and delayed discharge, with delayed discharge associated with worse one-year outcomes.
A major new study has found that commonly used treatments to prevent acute kidney failure after angiogram procedures make no difference to health outcomes. Patients undergoing angiography should instead be treated with saline, which is cheaper and more readily available, say researchers.
A ground-breaking study suggests that a non-invasive post-mortem technique could be used to identify the cause of death in up to 92% of adult post-mortem investigations, potentially replacing invasive autopsies. The technique, known as PMCTA, uses computed tomography and angiography to diagnose causes of death with high accuracy.
A subgroup analysis of the BRAVO-3 trial found that patients with balloon expandable valves had a different baseline profile than those treated with non-balloon expandable valves. This suggests that differences in patient characteristics, not valve type, drive TAVR outcomes.
A new analysis reveals that early treatment for Non-ST-Elevation Myocardial Infarction (NSTEMI) patients leads to a significant reduction in mortality. The study found an 87% lower mortality rate and a 38% lower mortality rate for high-risk patients when treated within 24 hours of symptom onset.
The PRECISION trial demonstrated clinical and technical success for patients undergoing robotic percutaneous coronary intervention (PCI) using radial or femoral access. Technical success rates were higher for transradial access procedures, while clinical success rates showed similar outcomes between both approaches.
The Society for Cardiovascular Angiography and Interventions has selected 12 emerging interventional cardiologists for the Emerging Leader Mentorship (ELM) program. The two-year mentorship program aims to refine their skills as leaders in medicine, ambassadors for their specialty, and advocates for their patients.
Following mass shootings, there are sharp increases in handgun acquisitions in California, with significant spikes seen among white and Hispanic persons. Researchers suggest this may lead to substantial increases in firearm ownership.
The first issue of Volume 2 of Cardiovascular Innovations and Applications (CVIA) has been published with a Special Issue on Imaging. The issue brings together contributions from leading cardiologists and features recent advances in noninvasive cardiac imaging, as well as clinical applications and future directions.
Researchers found that noninvasive CT angiography and stress tests can predict future adverse cardiovascular events, including heart attacks, with similar accuracy to invasive procedures. The study suggests that the noninvasive approach is a safer and more cost-effective option for patients, and its findings have important implications...
A team at the Technical University of Munich has demonstrated that using monoenergetic X-rays from a miniature particle accelerator can significantly reduce the required quantity of contrast agents in coronary angiography. This approach enables sharper images with fewer health risks, especially for patients with kidney insufficiency.
Researchers using coronary computed tomography angiography (CCTA) found no association between light to moderate alcohol consumption and coronary artery disease (CAD). The study analyzed 1,925 consecutive patients and characterized plaques, but no relationship was found between atherosclerosis, clinical risk factors, and patient drinki...
The ILUMIEN III trial found that optical coherence tomography-guided PCI resulted in similar minimal stent area compared to IVUS-guidance, while also showing improved stent expansion and acute procedural success compared to angiography-guidance. Untreated major dissections were more common after IVUS-guided PCI than OCT-guided PCI.
A study of nearly 400,000 patients in England and Wales found that use of invasive coronary strategies significantly improved survival following a heart attack. These strategies, such as coronary angiography and stent placement, were associated with a 46% relative decrease in mortality.