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Adenosine physiology: CFR and IMR
Author(s): Robert Jay Widmer Added: 3 months ago
In this 'Cath Lab Guide to Coronary Reactivity Testing', Dr Robert Jay Widmer (The McKinney Heart Hospital, US) turns the focus to thermodilution-based coronary physiology, employing both intracoronary and intravenous adenosine. He demonstrates step-by-step measurement of resting and hyperaemic transit times, distal coronary pressure, and the calculation of fractional flow reserve (FFR), coronary… View more

Imaging & Diagnostics

Intervention
ACC 26: Coronary Physiology From Angiography vs Pressure Wire for PCI
Author(s): Ajay J Kirtane Added: 2 months ago
ACC.26 – Dr Ajay Kirtane (NewYork-Presbyterian Hospital/Columbia University Irving Medical Center, US) discusses the ALL-RISE trial (NCT05893498), a large-scale, global, prospective, randomised, multicentre study comparing FFRangio-based, angiography-derived coronary physiology with conventional pressure wire-guided FFR/NHPR to direct PCI in patients with coronary artery disease.This pivotal non… View more

Intervention

MI/ACS
Coronary Physiology and DCBs: The Modern Approach for CTO-PCI
Author(s): Tomas Kovarnik , Mohamed Ayoub, Giuseppe Di Gioia ,et al Start date: Jun 03, 2024
Join us for a transformative broadcast, chaired by Dr Tomáš Kovárník (Charles University, Prague, CZ), showcasing the latest advancements in CTO PCI procedures with state-of-the-art technology.Investigate the possibility of shortening stent lengths with precision physiology guidance, featuring Dr Mohamed Ayoub's (University Heart Center NRW, Bad Oeynhausen, DE) presentationExplore the combination… View more

Imaging & Diagnostics

Intervention
Coronary Physiology and DCBs: The Modern Approach for CTO-PCI
Author(s): Roberto Garbo , , , et al Added: 2 years ago
In this on-demand version of the live broadcast, chaired by Dr Tomáš Kovárník (Charles University, Prague, CZ), faculty showcase the latest advancements in CTO PCI procedures with state-of-the-art technology.Investigate the possibility of shortening stent lengths with precision physiology guidance, featuring Dr Mohamed Ayoub's (University Heart Center NRW, Bad Oeynhausen, DE) presentationExplore… View more

Imaging & Diagnostics

Intervention
EuroPCR 25: An ILUMIEN-IV Substudy
Author(s): Thomas Johnson Added: 1 year ago
EuroPCR 25 - Substudy findings from ILUMIEN-IV show that virtual flow reserve was slightly higher after angiography guidance rather than an optical coherence tomography (OCT)-based physiology assessment after percutaneous coronary intervention (PCI) in high-risk angiographic lesions.We are joined by Dr Thomas Johnson (Bristol Heart Institute, Bristol, UK) to discuss findings from a retrospective… View more

Imaging & Diagnostics

Intervention
Cath Lab Guide to Coronary Reactivity Testing in Non‑Obstructive CAD
Author(s): Robert Jay Widmer Added: 3 months ago
This expert level cath lab case features Dr Jay Robert Widmer (The McKinney Heart Hospital, US) demonstrating a complete invasive coronary reactivity testing protocol in a 25 year old woman with persistent chest pain, normal coronary CTA and non-obstructive findings.Dr Widmer walks through step-by-step assessment of coronary microvascular function using thermodilution derived CFR and IMR,… View more

Intervention
ACh Protocol and Spasm Testing
Author(s): Robert Jay Widmer Added: 3 months ago
In this segment of the 'Cath Lab Guide to Coronary Reactivity Testing', Dr Robert Jay Widmer (The McKinney Heart Hospital, US) demonstrates an intracoronary acetylcholine protocol using low-dose (20µg) and higher-dose (100µg) infusions. He outlines preparation of the solution from ophthalmic vials, its dilution, and the technique for slow intra-coronary injection over 1–2 minutes.Dr Widmer… View more

Imaging & Diagnostics

Intervention
Coronary Reactivity Testing for Non‑Obstructive CAD: Case Overview
Author(s): Robert Jay Widmer Added: 3 months ago
Welcome to the introductory segment of Dr Robert Jay Widmer's 'Cath Lab Guide to Coronary Reactivity Testing in Non‑Obstructive CAD'.Dr Widmer (The McKinney Heart Hospital, US) presents the case of a 25-year-old female endurance runner experiencing exertional, band-like chest pain. Her coronary CTA appears normal, while PET imaging reveals mildly reduced flow confined to the circumflex territory… View more

Intervention
The Role of Coronary Sinus Reducer Implantation for Refractory Angina
Author(s): Kevin Cheng , Jonathan M Hill , Ranil de Silva Added: 1 year ago

Intervention

Prevention & Chronic Conditions
Research Area(s) / Expertise:
Dr Tessel Vossenberg studied Medicine at the University of Amsterdam. Dr Tessel Vossenberg is particularly interested in complex coronary interventions, and structural heart diseases interventions such as mitral valve, tricuspid valve and aortic valve (TAVI) interventions.In addition, she has specialised in coronary physiology and microvascular coronary artery disease. View more