journal
https://read.qxmd.com/read/37949543/coronary-physiology-to-optimize-percutaneous-coronary-intervention
#1
EDITORIAL
Allen Jeremias
No abstract text is available yet for this article.
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949542/intravascular-imaging-derived-physiology-basic-principles-and-clinical-application
#2
REVIEW
Annemieke C Ziedses des Plantes, Alessandra Scoccia, Frank Gijsen, Gijs van Soest, Joost Daemen
Intravascular imaging-derived physiology is emerging as a promising tool allowing simultaneous anatomic and functional lesion assessment. Recently, several optical coherence tomography-based and intravascular ultrasound-based fractional flow reserve (FFR) indices have been developed that compute FFR through computational fluid dynamics, fluid dynamics equations, or machine-learning methods. This review aims to provide an overview of the currently available intravascular imaging-based physiologic indices, their diagnostic performance, and clinical application...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949541/physiology-and-intravascular-imaging-coregistration-best-of-all-worlds
#3
REVIEW
Tobin Joseph, Michael Foley, Rasha Al-Lamee
Percutaneous coronary intervention is increasingly guided by coronary physiology and optimized using intravascular imaging. Pressure-based measurements determine the significance of a stenosis using hyperemic or nonhyperemic pressure ratios (eg, the instantaneous wave-free ratio). Intravascular ultrasound and optical coherence tomography provide cross-sectional and longitudinal detail regarding plaque composition and vessel characteristics. These facilitate lesion preparation and optimization of stent sizing and positioning...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949540/physiologic-assessment-after-percutaneous-coronary-interventions-and-functionally-optimized-revascularization
#4
REVIEW
Doosup Shin, Seung Hun Lee, David Hong, Ki Hong Choi, Joo Myung Lee
Coronary physiologic assessment has become a standard of care for patients with coronary atherosclerotic disease. While most attention has focused on pre-interventional physiologic assessment to aid in revascularization decision-making, post-interventional physiologic assessment has not been as widely used, despite evidence supporting its role in assessment and optimization of the revascularization procedure. A thorough understanding of such evidence and ongoing studies would be crucial to incorporate post-interventional physiologic assessment into daily practice...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949539/using-physiology-pullback-for-percutaneous-coronary-intervention-guidance-is-this-the-future
#5
REVIEW
Sukhjinder Singh Nijjer
Modern coronary intervention requires integration of angiographic, physiologic, and intravascular imaging. This article describes the use and techniques needed to understand coronary physiology pullback data and how use it to make revascularization decisions. The article describes instantaneous wave-free ratio, fractional flow reserve, and the data that support their use and how they differ when used in tandem disease. Common practical mistakes and errors are discussed together with a brief review of the limited published research data...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949538/what-about-all-the-recent-negative-ffr-trials
#6
REVIEW
Nils P Johnson
During the past 30 years, fractional flow reserve (FFR) has moved from animal models to class IA recommendations in guidelines. However, the FLOWER-MI, RIPCORD-2, FUTURE, and FAME 3 trials in 2021 were "negative"-has FFR exceeded its expiration date? We critically examine these randomized trials in order to draw insights not just about FFR but also about study design and interpretation. Are all randomized trials created equal? No, rather we must focus on discordant decisions between angiography and FFR and highlight clinical endpoints that can be improved by percutaneous coronary intervention instead of medical therapy...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949537/is-coronary-physiology-assessment-valid-in-special-circumstances-aortic-stenosis-atrial-fibrillation-left-ventricular-hypertrophy-and-other
#7
REVIEW
David M Tehrani, Arnold H Seto
Fractional flow reserve (FFR) and nonhyperemic pressure ratios (NHPRs) provide an important clinical tool to evaluate the hemodynamic significance of coronary lesions. However, these indices have major limitations. As these indices are meant to be surrogates of coronary flow, clinical scenarios such as aortic stenosis (with increased end-systolic and end-diastolic pressures) or atrial fibrillation (with significant beat-to-beat cardiac output variability) can have significant effect on the accuracy and reliability of these hemodynamic indices...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949536/coronary-physiology-as-part-of-a-state-of-the-art-percutaneous-coronary-intervention-strategy-lessons-from-syntax-ii-and-beyond
#8
REVIEW
Asad Shabbir, Alejandro Travieso, Hernán Mejía-Rentería, Carolina Espejo-Paeres, Nieves Gonzalo, Adrian P Banning, Patrick W Serruys, Javier Escaned
The use of coronary physiology allows for rational decision making at the time of PCI, contributing to better patient outcomes. Yet, coronary physiology is only one aspect of optimal revascularization. State-of-the-art PCI must also consider other important aspects such as intracoronary imaging guidance and specific procedural expertise, as tested in the SYNTAX II study. In this review, we highlight the technical aspects pertaining to the use of physiology as used in that trial and offer a glimpse into the future with emerging physiologic metrics, including functional coronary angiography, which have already established themselves as useful indices to guide decision making...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949535/targeted-therapies-for-microvascular-disease
#9
REVIEW
Adam Bland, Eunice Chuah, William Meere, Thomas J Ford
Coronary microvascular dysfunction (CMD) is a common cause of ischemia but no obstructive coronary artery disease that results in an inability of the coronary microvasculature to meet myocardial oxygen demand. CMD is challenging to diagnose and manage due to a lack of mechanistic research and targeted therapy. Recent evidence suggests we can improved patient outcomes by stratifying antianginal therapies according to the diagnosis revealed by invasive assessment of the coronary microcirculation. This review article appraises the evidence for management of CMD, which includes treatment of cardiovascular risk, antianginal therapy and therapy for atherosclerosis...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949534/nonhyperemic-pressure-ratios-all-the-same-or-nuanced-differences
#10
REVIEW
Samineh Sehatbakhsh, Weijia Li, Tatsunori Takahashi, Kayo Takahashi, Manish A Parikh, Yuhei Kobayashi
Fractional flow reserve (FFR) has become the gold standard for invasively assessing the functional significance of coronary artery disease (CAD) to guide revascularization. The amount of evidence supporting the role of FFR in the cardiac catheterization laboratory is large and still growing. However, FFR uptake in the daily practice is limited by a variety of factors such as invasive instrumentation of the coronary artery that requires extra time and need for vasodilator medications for hyperemia. In this review, we describe the details of wire-based alternatives to FFR, providing insights as to their development, clinical evidence, and limitations...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949533/beyond-coronary-artery-disease-assessing-the-microcirculation
#11
REVIEW
Sonal Pruthi, Emaad Siddiqui, Nathaniel R Smilowitz
Ischemic heart disease (IHD) affects more than 20 million adults in the United States. Although classically attributed to atherosclerosis of the epicardial coronary arteries, nearly half of patients with stable angina and IHD who undergo invasive coronary angiography do not have obstructive epicardial coronary artery disease. Ischemia with nonobstructive coronary arteries is frequently caused by microvascular angina with underlying coronary microvascular dysfunction (CMD). Greater understanding the pathophysiology, diagnosis, and treatment of CMD holds promise to improve clinical outcomes of patients with ischemic heart disease...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949532/computed-tomography-derived-physiology-assessment-state-of-the-art-review
#12
REVIEW
Robert D Safian
Coronary computed tomography angiography (CCTA) and CCTA-derived fractional flow reserve (FFRCT) are the best non-invasive techniques to assess coronary artery disease (CAD) and myocardial ischemia. Advances in these technologies allow a paradigm shift to the use of CCTA and FFRCT for advanced plaque characterization and planning myocardial revascularization.
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37949531/understanding-the-basis-for-hyperemic-and-nonhyperemic-coronary-pressure-assessment
#13
REVIEW
Samer Fawaz, Christopher M Cook
Despite the now routine integration of invasive physiologic systems into coronary catheter laboratories worldwide, it remains critical that all operators maintain a sound understanding of the fundamental physiologic basis for coronary pressure assessment. More specifically, performing operators should be well informed regarding the basis for hyperemic (ie, fractional flow reserve) and nonhyperemic (ie, instantaneous wave-free ratio and other nonhyperemic pressure ratio) coronary pressure assessment. In this article, we provide readers a comprehensive history charting the inception, development, and validation of hyperemic and nonhyperemic coronary pressure assessment...
February 2024: Cardiology Clinics
https://read.qxmd.com/read/37743082/turning-heart-failure-into-heart-success
#14
EDITORIAL
Asad Ghafoor
No abstract text is available yet for this article.
November 2023: Cardiology Clinics
https://read.qxmd.com/read/37743081/when-all-else-fails-try-this-the-heartmate-iii-left-ventricle-assist-device
#15
REVIEW
Abbas Bitar, Keith Aaronson
Heart failure (HF) is a progressive disease. It is estimated that more than 250,000 patients suffer from advanced HF with reduced ejection fraction refractory to medical therapy. With limited donor pool for heart transplant, continue flow left ventricle assist device (LVAD) is a lifesaving treatment option for patients with advanced HF. This review will provide an update on indications, contraindications, and associated adverse events for LVAD support with a summary of the current outcomes data.
November 2023: Cardiology Clinics
https://read.qxmd.com/read/37743080/guide-to-temporary-mechanical-support-in-cardiogenic-shock-choosing-wisely
#16
REVIEW
David Snipelisky, Jerry D Estep
Cardiogenic shock is a multisystem pathology that carries a high mortality rate, and initial pharmacotherapies include the use of vasopressors and inotropes. These agents can increase myocardial oxygen consumption and decrease tissue perfusion that can oftentimes result in a state of refractory cardiogenic shock for which temporary mechanical circulatory support can be considered. Numerous support devices are available, each with its own hemodynamic blueprint. Defining a patient's hemodynamic profile and understanding the phenotype of cardiogenic shock is important in device selection...
November 2023: Cardiology Clinics
https://read.qxmd.com/read/37743079/secondary-mitral-regurgitation-and-transcatheter-mitral-valve-therapies-do-they-have-a-role-in-advanced-heart-failure-with-reduced-ejection-fraction
#17
REVIEW
Michael J Pienta, Matthew A Romano
Transcatheter mitral valve repair should be considered for patients with severe secondary mitral regurgitation with symptomatic heart failure with reduced ejection fraction for symptom improvement and survival benefit. Patients with a higher severity of secondary mitral regurgitation relative to the degree of left ventricular dilation are more likely to benefit from transcatheter mitral valve repair. A multidisciplinary Heart Team should participate in patient selection for transcatheter mitral valve therapy...
November 2023: Cardiology Clinics
https://read.qxmd.com/read/37743078/the-war-against-heart-failure-hospitalizations-remote-monitoring-and-the-case-for-expanding-criteria
#18
REVIEW
Ioannis Mastoris, Kashvi Gupta, Andrew J Sauer
Successful remote patient monitoring depends on bidirectional interaction between patients and multidisciplinary clinical teams. Invasive pulmonary artery pressure monitoring has been shown to reduce heart failure (HF) hospitalizations, facilitate guideline-directed medical therapy optimization, and improve quality of life. Cardiac implantable electronic device-based multiparameter monitoring has shown encouraging results in predicting future HF-related events. Potential expanded indications for remote monitoring include guideline-directed medical therapy optimization, application to specific populations, and subclinical detection of HF...
November 2023: Cardiology Clinics
https://read.qxmd.com/read/37743077/the-uncertain-benefit-from-implantable-cardioverter-defibrillators-in-nonischemic-cardiomyopathy-how-to-guide-clinical-decision-making
#19
REVIEW
Mohsin Khan, Arshad Jahangir
Life-threatening dysrhythmias remain a significant cause of mortality in patients with nonischemic cardiomyopathy (NICM). Implantable cardioverter-defibrillators (ICD) effectively reduce mortality in patients who have survived a life-threatening arrhythmic event. The evidence for survival benefit of primary prevention ICD for patients with high-risk NICM on guideline-directed medical therapy is not as robust, with efficacy questioned by recent studies. In this review, we summarize the data on the risk of life-threatening arrhythmias in NICM, the recommendations, and the evidence supporting the efficacy of primary prevention ICD, and highlight tools that may improve the identification of patients who could benefit from primary prevention ICD implantation...
November 2023: Cardiology Clinics
https://read.qxmd.com/read/37743076/obesity-in-heart-failure-with-reduced-ejection-fraction-time-to-address-the-elephant-in-the-room
#20
REVIEW
Matthew B Amdahl, Varun Sundaram, Yogesh N V Reddy
Obesity has been long recognized as a risk factor for the development of heart failure, but recent evidence suggests obesity is more typically associated with heart failure with preserved ejection fraction as opposed to heart failure with reduced ejection fraction (HFrEF). Nevertheless, numerous studies have found that obesity modulates the presentation and progression of HFrEF and may contribute to the development of HFrEF in some patients. Although obesity has definite negative effects in HFrEF patients, the effects of intentional weight loss in HFrEF patients with obesity have been poorly studied...
November 2023: Cardiology Clinics
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