ischemic heart disease

Original Contribution

Validation of a New Non-Hyperemic Physiological Index: The Constant-Resistance Ratio (cRR)

03/27/2024

Chenguang Li, MD, PhD¹; Jing Wu, MS²; Jiayan Lin, BS³; Yizhe Wu, MD, PhD¹; Rende Xu, MD, PhD¹; Juying Qian, MD, PhD¹; William Kongto Hau, PhD⁴; Emanuele Barbato, MD, PhD^5,6; Nils P. Johnson, MD, MS^7,8; Barry Hennigan, MBBChBAO, BMedSci⁹; Colin Berry, MBChB, MD, PhD^9,10; Keith G. Oldroyd, MBChB, MD (Hons)⁹; Liang Song, PhD³; Junbo Ge, MD, PhD¹

Chenguang Li, MD, PhD1; Jing Wu, MS2;...

The authors aim to validate a new resting index, the constant resistance ratio (cRR), by retrospectively calculating the cRR values from raw pressure waveforms collected from the CONTRAST and VERIFY 2 studies and comparing these results with...

The authors aim to validate a...

03/27/2024

Journal of Invasive Cardiology

Figure. Coronary sinus reducer procedure.

Clinical Images

Snare Technique Failure in Extracting an Embolized Coronary Sinus Reducer to the Pulmonary Artery

02/07/2024

Ronan Canitrot , MD;

Thibault Lhermusier , MD, PhD;

Didier Carrié , MD, PhD;

Clément Servoz , MD;

The authors report the case of a 79-year-old male patient who benefited from the implantation of a coronary sinus reducer (CSR) (Reducer; Neovasc, Inc.) in the management of typical angina with mild exertion with optimal medical treatment.

The authors report the case of a...

02/07/2024

Journal of Invasive Cardiology

Clinical Videos

Snare Technique Failure in Extracting an Embolized Coronary Sinus Reducer to the Pulmonary Artery

01/25/2024

Ronan Canitrot , MD;

Thibault Lhermusier , MD, PhD;

Didier Carrié , MD, PhD;

Clément Servoz , MD;

Video Supplement to "Snare Technique Failure in Extracting an Embolized Coronary Sinus Reducer to the Pulmonary Artery" (Clinical Image)

Video Supplement to "Snare...

01/25/2024

Journal of Invasive Cardiology

EP Update

Coronary Computed Tomography Angiography (CCTA) vs Functional Imaging in the Evaluation of Stable Ischemic Heart Disease

05/01/2021

Vishal I. Patel , MD;

Sion K. Roy , MD;

Matthew J. Budoff , MD;

Evidence to support anatomical imaging is growing, with CCTA gaining attention as the more accurate non-invasive testing modality. We review current literature and formulate a direction for CCTA-based future research.

Evidence to support anatomical...

05/01/2021

Journal of Invasive Cardiology