Fractional Flow Reserve

OpSens’ Diastolic Pressure Ratio (dPR): More Letters in the Alphabet Soup or the Plat de Résistance?

04/03/2020

Ziad Ali, MD, DPhil^1,2,3

Ziad Ali, MD, DPhil1,2,3

Fractional flow reserve (FFR) has been validated in numerous clinical studies for diagnosing the physiological significance of coronary artery stenosis severity and determining the need for revascularization. However, the induction of maximal...

Fractional flow reserve (FFR)...

04/03/2020

Cath Lab Digest

Case Examples

OpSens dPR Utilization in a Real-World, Complex Clinical Practice

04/03/2020

Jimmy L. Kerrigan, MD, FACC, FSCAI¹

Jimmy L. Kerrigan, MD, FACC, FSCAI1 ...

The use of OpSens dPR helped us to decide that we could safely defer treatment of the patient’s left system, which would have potentially required bifurcation stenting of the left main into the acutely angulated circumflex system and the...

The use of OpSens dPR helped us...

04/03/2020

Cath Lab Digest

Resting Physiological Indices: Can We Use the Generic Pd/Pa?

09/05/2019

R. Jay Widmer^a, MD, PhD, and Morton J. Kern^b, MD

R. Jay Widmera, MD, PhD, and Morton J...

Now with the wide availability of both hyperemic (FFR) and non-hyperemic translesional pressure ratios (NHPRs), the question becomes, how to select which ratio to use and when to use it? In addition, what does the lab do when it does not have...

Now with the wide availability...

09/05/2019

Cath Lab Digest

Impact of Post-Percutaneous Coronary Intervention Fractional Flow Reserve Measurement on Procedural Management and Clinical Outcomes: The REPEAT-FFR Study

06/14/2019

Lorenzo Azzalini, MD, PhD, MSc¹; Enrico Poletti, MD¹; Ozan M. Demir, MBBS^1,2; Marco B. Ancona, MD¹; Antonio Mangieri, MD^1,3; Francesco Giannini, MD^1,3; Mauro Carlino, MD¹; Alaide Chieffo, MD¹; Matteo Montorfano, MD¹; Antonio Colombo, MD^1,3; Azeem Latib, MD^1,4

Lorenzo Azzalini, MD, PhD, MSc1; Enr...

We evaluated the impact of post-percutaneous coronary intervention fractional flow reserve in a prospective study.

We evaluated the impact of...

06/14/2019

Journal of Invasive Cardiology

Original Contribution

Online Angiography Image-Based FFR Assessment During Coronary Catheterization: A Single-Center Study

03/15/2018

Ran Kornowski, MD¹; Hana Vaknin-Assa, MD¹; Abid Assali, MD¹; Gabriel Greenberg, MD¹; Orna Valtzer, DMD^1,2; Ifat Lavi, PhD^1,2

Ran Kornowski, MD1; Hana Vaknin-Assa...

An assessment of the diagnostic performance of angiography-derived FFR measurements (FFRangio) in patients with stable coronary artery disease when used online in the catheterization laboratory during routine coronary angiography.

An assessment of the diagnostic...

03/15/2018

Journal of Invasive Cardiology

Original Contribution

Nitroglycerin-Derived Pd/Pa for the Assessment of Intermediate Coronary Lesions

08/15/2017

Zeev Israeli, MD^1,2; Rodrigo Bagur MD, PhD^1,2; Dorian Murariu, MSc²; Sabrina Wall, BSc²; Mistre Alemayehu, MSc²; Yasir Parviz, MBBS^1,2; Pantelis Diamantouros, MD^1,2; Shahar Lavi, MD^1,2

Zeev Israeli, MD1,2; Rodrigo Bagur M...

This study assesses the predictive value of Pd/Pa after nitroglycerin administration as compared with standard fractional flow reserve (FFR).

This study assesses the...

08/15/2017

Journal of Invasive Cardiology

Commentary

Intravenous Adenosine-Based Fractional Flow Reserve in Pre-TAVR Assessment of Severe AS: Finally Some Clarity?

09/01/2016

Vivian G. Ng, MD and Ajay J. Kirtane, MD, SM

Vivian G. Ng, MD and Ajay J. Kirtane,...

A commentary on this month's article by Stanojevic, et al. Drs Ng and Kirtane offer their insights into aortic stenosis and the utility of fractional flow reserve.

A commentary on this month's...

09/01/2016

Journal of Invasive Cardiology

Commentary

No Stenosis Left Behind – The Holy Grail of 100% Predictive Accuracy

06/30/2016

James R. Wilentz, MD

With growing acceptance and ease of use, short adenosine infusion may not prove the deterrent it once seemed, and some form of pressure-flow measurement will likely advance to the point of gold standard.

With growing acceptance and ease...

06/30/2016

Journal of Invasive Cardiology

Original Contribution

Use of Resting Non-hyperemic Indices for Avoidance of Fractional Flow Reserve Measurement: The Goal of 100% Accuracy

06/30/2016

Khawaja Afzal Ammar, MD^1*; Syed Shahab Kazmi, MBBS^1*; Mirza Nubair Ahmad, MBBS¹; Mirza Mujadil Ahmad, MBBS¹; Arsalan Riaz, MBBS¹; Imran Husain, BS¹; Fatima Husain, MBBS¹; Suhail Allaqaband, MD¹; Tanvir Bajwa, MD¹; Anjan Gupta, MD¹

Khawaja Afzal Ammar, MD1*; Syed Shah...

The authors hypothesize that a certain resting non-hyperemic index of coronary and aortic pressures (Pd/Pa) can obviate the measurement of fractional flow reserve and avoid the use of adenosine administration.

The authors hypothesize that a...

06/30/2016

Journal of Invasive Cardiology

Original Contribution

Intravenous Adenosine Infusion is Safe and Well Tolerated During Coronary Fractional Flow Reserve Assessment in Elderly Patients With Severe Aortic Stenosis

06/15/2016

Dusan Stanojevic, MD¹; Prasad Gunasekaran, MD¹; Peter Tadros, MD¹; Mark Wiley, MD¹; Matthew Earnest, MD¹; Ashwani Mehta, MD¹; Matthew Lippmann, MD²; Micah Levine, MS³; Buddhadeb Dawn, MD¹; Kamal Gupta, MD¹

Dusan Stanojevic, MD1; Prasad Gunase...

This study assessed the safety of intravenous adenosine infusion during fractional flow reserve evaluation of intermediate coronary lesions in severe aortic stenosis.

This study assessed the safety...

06/15/2016

Journal of Invasive Cardiology