Search results for: Martin B. Leon

Items from 1 to 20 out of 693 results

article

Outcomes of ultra‐low contrast percutaneous coronary intervention in patients with advanced chronic kidney disease

Richard Sekerak, Johanna Ben‐Ami Lerner, Christopher Garnett, Margaret McEntegart, more

Catheterization and Cardiovascular Interventions > 104 > 2 > 227 - 233

Background Coronary angiography and percutaneous coronary intervention (PCI) in patients with chronic kidney disease (CKD) is associated with increased risk of contrast induced nephropathy (CIN) and requirement for renal replacement therapy (RRT). Objectives We aimed to evaluate our single center experience of ultra‐low contrast PCI in patients with CKD and to characterize 1 year outcomes. Methods...

article

Reasons for lesion uncrossability as assessed by intravascular ultrasound

Hanan Salem, Gary S. Mintz, Mitsuaki Matsumura, Mingyou Zhang, more

Catheterization and Cardiovascular Interventions > 99 > 7 > 2028 - 2037

Objectives The purpose of the current study was to use intravascular ultrasound (IVUS) to clarify anatomical and morphological lesion characteristics of uncrossable lesions. Background Uncrossable lesions are not always severely calcified. The prevalence of uncrossable lesions that are nonseverely calcified as well as other mechanisms for uncrossability has not been well clarified. Methods A...

article

Coronary orbital atherectomy treatment of Hispanic and Latino patients: A real‐world comparative analysis

Nirat Beohar, Gregg W. Stone, Brad J. Martinsen, Helen Parise, more

Catheterization and Cardiovascular Interventions > 99 > 6 > 1752 - 1757

Objectives To assess coronary orbital atherectomy (OA) use in Hispanic or Latino (HL) patients compared to non‐HL patients. Background HL patients are at greater risk of cardiovascular disease mortality compared with Whites with similar coronary artery calcium (CAC) scores. The safety and efficacy of coronary atherectomy in the HL patient population is unknown due to the under‐representation of...

article

Regulatory strategies for early device development and approval

David R. Holmes, Rick Geoffrion, Jon Hunt, Robert ”Chip” Hance, more

Catheterization and Cardiovascular Interventions > 99 > 6 > 1784 - 1788

The development of new technology to treat unmet clinical needs is an important component of modern cardiovascular disease. The need for this has been emphasized in the past several years beginning with the Food and Drug Administration (FDA) guidance document on Early Feasibility Studies in 2012 and then the 21st Century Cures legislation. A number of steps need to be considered in this process by...

article

Characteristics and clinical outcomes in patients with prior chest radiation undergoing TAVR: Observations from PARTNER‐2

Bibhu D. Mohanty, Megan Coylewright, Ashton R. Sequeira, Doosup Shin, more

Catheterization and Cardiovascular Interventions > 99 > 6 > 1877 - 1885

Objectives The purpose of this study is to investigate the viability of transcatheter aortic valve replacement (TAVR) for severe symptomatic aortic stenosis (AS) in patients with prior chest radiation therapy (cXRT). Background Since patients with prior cXRT perform poorly with surgical aortic valve replacement, TAVR can be a viable alternative. However, clinical outcomes after TAVR in this patient...

article

Incidence and predictors of cardiogenic shock following surgical or transcatheter tricuspid valve intervention

Matthew K. Lawlor, Nadira Hamid, Polydoros Kampaktsis, Yuming Ning, more

Catheterization and Cardiovascular Interventions > 99 > 5 > 1668 - 1678

Objective The objective of this study was to evaluate the incidence of and risk factors associated with cardiogenic shock (CS) following surgery versus transcatheter tricuspid valve intervention (TTVI) for tricuspid regurgitation (TR). Background Surgical therapy for TR is associated with high rates of CS. Postprocedural shock has not been studied following TTVI. Methods We performed a single‐center...

article

Three‐year survival of transcatheter versus surgical aortic valve replacement in dialysis

Takuya Ogami, Paul Kurlansky, Hiroo Takayama, Yuming Ning, more

Catheterization and Cardiovascular Interventions > 99 > 4 > 1206 - 1213

To highlight the trends of surgical (open) aortic valve replacement (SAVR) as well as to compare the outcome between transcatheter aortic valve replacement (TAVR) and SAVR in elderly dialysis patients. TAVR has evolved as an effective alternative to surgery (SAVR) for aortic stenosis. We identified dialysis‐dependent patients who underwent SAVR or TAVR from 2000 to 2015 from the United States Renal...

article

Impact of inferior vena cava entry characteristics on tricuspid annular access during transcatheter interventions

Lauren S. Ranard, Torsten P. Vahl, Christine J. Chung, Shirin Sadri, more

Catheterization and Cardiovascular Interventions > 99 > 4 > 1268 - 1276

Objectives The purpose of this study was to characterize the anatomic relationship between the inferior vena cava (IVC) and tricuspid annulus (TA) and its potential impact on the performance of transcatheter TV interventions. Background Transcatheter tricuspid valve (TV) interventions are emerging as a therapeutic alternative for the treatment of severe, symptomatic tricuspid regurgitation (TR)...

article

Impella percutaneous left ventricular assist device as mechanical circulatory support for cardiogenic shock: A retrospective analysis from a tertiary academic medical center

Shayan Nabavi Nouri, Waqas Malick, Amirali Masoumi, Justin A. Fried, more

Catheterization and Cardiovascular Interventions > 99 > 1 > 37 - 47

Objectives To describe hemodynamic efficacy and clinical outcomes of Impella percutaneous left ventricular assist device (pLVAD) in patients with cardiogenic shock (CS). Background Percutaneous LVADs are increasingly used in CS management. However, device‐related outcomes and optimal utilization remain active areas of investigation. Methods All CS patients receiving pLVAD as mechanical circulatory...

article

In‐hospital outcomes after transcatheter edge‐to‐edge mitral valve repair in patients with chronic kidney disease: An analysis from the 2010–2016 National inpatient sample

Hemang B. Panchal, Gregg W. Stone, Anshul Saxena, Zoran Bursac, more

Catheterization and Cardiovascular Interventions > 98 > 6 > 1177 - 1184

Objectives To assess the outcomes following transcatheter edge‐to‐edge mitral valve repair (TMVr) in patients with chronic kidney disease (CKD). Background Percutaneous TMVr is beneficial in high surgical risk patients with severe mitral regurgitation (MR). However, those with CKD are not well studied. Methods Utilizing the International Classification of Disease (ninth and tenth revision, clinical...

article

Impact of lesion preparation strategies on outcomes of left main PCI: The EXCEL trial

Nirat Beohar, Shmuel Chen, Nicholas J. Lembo, Adrian P. Banning, more

Catheterization and Cardiovascular Interventions > 98 > 1 > 24 - 32

Objectives We examined outcomes according to lesion preparation strategy (LPS) in patients with left main coronary artery (LMCA) percutaneous coronary intervention (PCI) in the EXCEL trial. Background The optimal LPS for LMCA PCI is unclear. Methods We categorized LPS hierarchically (high to low) as: (a) rotational atherectomy (RA); (b) cutting or scoring balloon (CSB); (c) balloon angioplasty...

article

Anatomic classification of mitral annular calcification for surgical and transcatheter mitral valve replacement

Sophia L. Alexis, Talal S. Alzahrani, Deniz Akkoc, Michael Salna, more

Journal of Cardiac Surgery > 36 > 7 > 2410 - 2418

Background and Aim of the Study A systematic approach to quantify mitral annular calcification (MAC) in all‐comers by multidetector computed tomography (MDCT) is essential to guide treatment, but lacking. Methods From September 2015 to July 2019, 82 patients with MAC underwent MDCT at two institutions to evaluate for surgical mitral valve replacement (SMVR), transcatheter mitral valve replacement...

article

Outcomes of retrograde chronic total occlusion percutaneous coronary intervention: A report from the OPEN‐CTO registry

Sanjog Kalra, Darshan Doshi, James Sapontis, Ioanna Kosmidou, more

Catheterization and Cardiovascular Interventions > 97 > 6 > 1162 - 1173

Objectives We sought to assess in‐hospital and long‐term outcomes of retrograde compared with antegrade‐only percutaneous coronary intervention for chronic total occlusion (CTO PCI). Background Procedural and clinical outcomes following retrograde compared with antegrade‐only CTO PCI remain unknown. Methods Using the core‐lab adjudicated OPEN‐CTO registry, we compared the outcomes of retrograde...

article

Impact of the COVID‐19 pandemic on interventional cardiology fellowship training in the New York metropolitan area: A perspective from the United States epicenter

Tanush Gupta, Tamim M. Nazif, Torsten P. Vahl, Hasan Ahmad, more

Catheterization and Cardiovascular Interventions > 97 > 2 > 201 - 205

Background The healthcare burden posed by the coronavirus disease 2019 (COVID‐19) pandemic in the New York Metropolitan area has necessitated the postponement of elective procedures resulting in a marked reduction in cardiac catheterization laboratory (CCL) volumes with a potential to impact interventional cardiology (IC) fellowship training. Methods We conducted a web‐based survey sent electronically...

article

Improvement in left ventricular function following higher‐risk percutaneous coronary intervention in patients with ischemic cardiomyopathy

Juan J. Russo, Megha Prasad, Darshan Doshi, Dimitrios Karmpaliotis, more

Catheterization and Cardiovascular Interventions > 96 > 4 > 764 - 770

Background Surgical revascularization is associated with improved ventricular function and clinical outcomes among patients with ischemic cardiomyopathy. There are less extensive data on changes in ventricular function among patients with ischemic cardiomyopathy undergoing percutaneous coronary intervention (PCI). Accordingly, we sought to assess the extent and predictors of change in left ventricular...

article

Mitral regurgitation in patients undergoing transcatheter aortic valve implantation for degenerated surgical aortic bioprosthesis: Insights from PARTNER 2 Valve‐in‐Valve Registry

Dale J. Murdoch, Janarthanan Sathananthan, Mark Hensey, Maria C. Alu, more

Catheterization and Cardiovascular Interventions > 96 > 4 > 981 - 986

Background Valve‐in‐valve (VIV) treatment with transcatheter aortic valve replacement (TAVR) is a viable option for patients with failing aortic bioprosthetic valves. Optimal management of those with concomitant mitral regurgitation (MR) remains undetermined. Therefore, we sought to assess the implications of concomitant MR in patients undergoing VIV‐TAVR. Methods and Results The PARTNER 2 VIV...

article

Contemporary suprasternal transcatheter aortic valve replacement: A multicenter experience using a simple, reliable alternative access approach

Kyle W. Eudailey, Anna Olds, Clifton T. Lewis, Tamim N. Nazif, more

Catheterization and Cardiovascular Interventions > 95 > 6 > 1178 - 1183

Objectives To describe outcomes after suprasternal (SS) transcatheter aortic valve replacement (TAVR) as a new alternative access approach. Background There still remains a cohort of the TAVR population who are not suitable for a transfemoral (TF) approach. SS‐TAVR is a safe and effective alternative to TF‐TAVR and has now become our preferred alternative access route. Methods We retrospectively...

article

Long‐term (5‐year) clinical evaluation of the Resolute zotarolimus‐eluting coronary stent: The RESOLUTE US clinical trial

Ajay J. Kirtane, Alan C. Yeung, Michael Ball, Jeffrey Carr, more

Catheterization and Cardiovascular Interventions > 95 > 6 > 1067 - 1073

Objectives To assess the long‐term safety and efficacy of the Resolute zotarolimus‐eluting stent (R‐ZES). Background The R‐ZES has been associated with low rates of adverse events over short‐intermediate term follow‐up. However, reliable assessment of the safety and efficacy of any implanted device requires long‐term evaluation. Methods The RESOLUTE US trial was a prospective, observational study...

article

The initial U.S. experience with the Tempo active fixation temporary pacing lead in structural heart interventions

Tamim M. Nazif, Shmuel Chen, Pablo Codner, Paul M. Grossman, more

Catheterization and Cardiovascular Interventions > 95 > 5 > 1051 - 1056

Objectives This multicenter retrospective study of the initial U.S. experience evaluated the safety and efficacy of temporary cardiac pacing with the Tempo® Temporary Pacing Lead. Background Despite increasing use of temporary cardiac pacing with the rapid growth of structural heart procedures, temporary pacing leads have not significantly improved. The Tempo lead is a new temporary pacing lead...

article

Reshaping bicuspid aortic valve stenosis with an hourglass‐shaped balloon for transcatheter aortic valve replacement: A pilot study

Zhen‐Gang Zhao, Yuan Feng, Yan‐Biao Liao, Yi‐Jian Li, more

Catheterization and Cardiovascular Interventions > 95 > S1 > 616 - 623

Objectives We evaluated the safety and usefulness of preparatory anatomical reshaping with a geometric hourglass‐shaped balloon to optimize transcatheter aortic valve replacement (TAVR) outcomes in bicuspid aortic valve (BAV) stenosis. Background TAVR has been increasingly performed for BAV stenosis; however, technical challenges remain. Procedural results are suboptimal given unfavorable valvular...

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INFONA - science communication portal

Search results for: Martin B. Leon

Outcomes of ultra‐low contrast percutaneous coronary intervention in patients with advanced chronic kidney disease

Reasons for lesion uncrossability as assessed by intravascular ultrasound

Coronary orbital atherectomy treatment of Hispanic and Latino patients: A real‐world comparative analysis

Regulatory strategies for early device development and approval

Characteristics and clinical outcomes in patients with prior chest radiation undergoing TAVR: Observations from PARTNER‐2

Incidence and predictors of cardiogenic shock following surgical or transcatheter tricuspid valve intervention

Three‐year survival of transcatheter versus surgical aortic valve replacement in dialysis

Impact of inferior vena cava entry characteristics on tricuspid annular access during transcatheter interventions

Impella percutaneous left ventricular assist device as mechanical circulatory support for cardiogenic shock: A retrospective analysis from a tertiary academic medical center

In‐hospital outcomes after transcatheter edge‐to‐edge mitral valve repair in patients with chronic kidney disease: An analysis from the 2010–2016 National inpatient sample

Impact of lesion preparation strategies on outcomes of left main PCI: The EXCEL trial

Anatomic classification of mitral annular calcification for surgical and transcatheter mitral valve replacement

Outcomes of retrograde chronic total occlusion percutaneous coronary intervention: A report from the OPEN‐CTO registry

Impact of the COVID‐19 pandemic on interventional cardiology fellowship training in the New York metropolitan area: A perspective from the United States epicenter

Improvement in left ventricular function following higher‐risk percutaneous coronary intervention in patients with ischemic cardiomyopathy

Mitral regurgitation in patients undergoing transcatheter aortic valve implantation for degenerated surgical aortic bioprosthesis: Insights from PARTNER 2 Valve‐in‐Valve Registry

Contemporary suprasternal transcatheter aortic valve replacement: A multicenter experience using a simple, reliable alternative access approach

Long‐term (5‐year) clinical evaluation of the Resolute zotarolimus‐eluting coronary stent: The RESOLUTE US clinical trial

The initial U.S. experience with the Tempo active fixation temporary pacing lead in structural heart interventions

Reshaping bicuspid aortic valve stenosis with an hourglass‐shaped balloon for transcatheter aortic valve replacement: A pilot study

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