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Toby Rogers

George B Schreiber, Roger Brinser, Marilyn Rosa-Bray, Zi-Fan Yu, Toby Simon
BACKGROUND: Whole blood and red blood cell (RBC) donors are at risk of iron deficiency. Since Source plasma (SP) donors have RBCs returned during apheresis, risk of iron depletion appears low. However, SP donors can donate frequently and assessment of frequent donor iron status is needed. STUDY DESIGN AND METHODS: A total of 1254 SP donors were enrolled in four frequency groups determined by donations in the prior 12 months: no donations and 1 to 24, 25 to 69, and 70 or more donations...
March 9, 2018: Transfusion
Colin J Clark, Holger J Pletsch, Jason Wu, Lucas Guillemot, Matthew Kerr, Tyrel J Johnson, Fernando Camilo, David Salvetti, Bruce Allen, David Anderson, Carsten Aulbert, Christian Beer, Oliver Bock, Andres Cuéllar, Heinz-Bernd Eggenstein, Henning Fehrmann, Michael Kramer, Shawn A Kwang, Bernd Machenschalk, Lars Nieder, Markus Ackermann, Marco Ajello, Luca Baldini, Jean Ballet, Guido Barbiellini, Denis Bastieri, Ronaldo Bellazzini, Elisabetta Bissaldi, Roger D Blandford, Elliott D Bloom, Raffaella Bonino, Eugenio Bottacini, Terri J Brandt, Johan Bregeon, Philippe Bruel, Rolf Buehler, Toby H Burnett, Sara Buson, Rob A Cameron, Regina Caputo, Patrizia A Caraveo, Elisabetta Cavazzuti, Claudia Cecchi, Eric Charles, Alexandre Chekhtman, Stefano Ciprini, Lynn R Cominsky, Denise Costantin, Sara Cutini, Filippo D'Ammando, Andrea De Luca, Rachele Desiante, Leonardo Di Venere, Mattia Di Mauro, Niccolò Di Lalla, Seth W Digel, Cecilia Favuzzi, Elizabeth C Ferrara, Anna Franckowiak, Yasushi Fukazawa, Stefan Funk, Piergiorgio Fusco, Fabio Gargano, Dario Gasparrini, Nico Giglietto, Francesco Giordano, Marcello Giroletti, Germán A Gomez-Vargas, David Green, Isabelle A Grenier, Sylvain Guiriec, Alice K Harding, John W Hewitt, Deirdre Horan, Guðlaugur Jóhannesson, Shiki Kensei, Michael Kuss, Giovanni La Mura, Stefan Larsson, Luca Latronico, Jian Li, Francesco Longo, Francesco Loparco, Michael N Lovellette, Pasquale Lubrano, Jeffrey D Magill, Simone Maldera, Alberto Manfreda, Mario N Mazziotta, Julie E McEnery, Peter F Michelson, Nestor Mirabal, Warit Mitthumsiri, Tsunefumi Mizuno, Maria Elena Monzani, Aldo Morselli, Igor V Moskalenko, Eric Nuss, Takashi Ohsugi, Nicola Omodei, Monica Orienti, Elena Orlando, Michele Palatiello, Vaidehi S Paliya, Francesco de Palma, David Paneque, Jeremy S Perkins, Massimo Persic, Melissa Pesce-Rollins, Troy A Porter, Giacomo Principe, Silvia Rainò, Riccardo Rando, Paul S Ray, Massimiliano Razzano, Anita Reimer, Olaf Reimer, Roger W Romani, Pablo M Saz Parkinson, Carmelo Sgrò, Eric J Siskind, David A Smith, Francesca Spada, Gloria Spandre, Paolo Spinelli, Jana B Thayer, David J Thompson, Diego F Torres, Eleonora Troja, Giacomo Vianello, Kent Wood, Matthew Wood
Millisecond pulsars (MSPs) are old neutron stars that spin hundreds of times per second and appear to pulsate as their emission beams cross our line of sight. To date, radio pulsations have been detected from all rotation-powered MSPs. In an attempt to discover radio-quiet gamma-ray MSPs, we used the aggregated power from the computers of tens of thousands of volunteers participating in the Einstein@Home distributed computing project to search for pulsations from unidentified gamma-ray sources in Fermi Large Area Telescope data...
February 2018: Science Advances
Edward Koifman, Hector M Garcia-Garcia, Kayode O Kuku, Alexandre H Kajita, Kyle D Buchanan, Arie Steinvil, Toby Rogers, Nelson L Bernardo, Robert Lager, Robert A Gallino, Itsik Ben-Dor, Augusto D Pichard, Rebecca Torguson, Jiaxiang Gai, Lowell F Satler, Ron Waksman
We aimed to compare the safety and efficacy of rotational atherectomy (RA) and orbital atherectomy (OA) during percutaneous coronary intervention in an all-comer population with severely calcified lesions. We included all patients who underwent percutaneous coronary intervention with OA or RA in our institution from October 2013 until October 2016. Comparison of baseline and procedural characteristics, along with acute complication rates and postprocedural cardiac enzyme elevation, was performed. There were 191 RA and 57 OA patients...
February 13, 2018: American Journal of Cardiology
Toby Rogers, M Chadi Alraies, Homam Moussa Pacha, Elizabeth Bond, Kyle D Buchanan, Arie Steinvil, Jiaxiang Gai, Rebecca Torguson, Itsik Ben-Dor, Lowell F Satler, Ron Waksman
Society of Thoracic Surgeons (STS) score and frailty index are calculated routinely as part of transcatheter aortic valve implantation (TAVI) assessment to determine procedure risk. We aim to evaluate the incremental improvement of STS risk score using frailty status in predicting short- and long-term outcome after TAVI. Study population included 544 consecutive TAVI patients who completed full frailty assessment and STS score calculation before the procedure. Frailty is defined by the presence of any 3 of the following 5 criteria: algorithm-defined grip strength and 15-foot walking tests, body mass index < 20 kg/m2, Katz activity of daily living ≤ 4/6, serum albumin < 3...
January 11, 2018: American Journal of Cardiology
Kyle D Buchanan, Toby Rogers, M Chadi Alraies, Arie Steinvil, Edward Koifman, Ricardo O Escárcega, Arpi Tavil-Shatelyan, Joelle Salmon, Jiaxiang Gai, Linzhi Xu, Rebecca Torguson, Petros Okubagzi, Augusto Pichard, Itsik Ben-Dor, Lowell F Satler, Ron Waksman
BACKGROUND: Clinical indications for transcatheter aortic valve replacement (TAVR) and elements of the implantation procedure, including delivery system miniaturization and novel access options, have evolved over time. The reasons patients are excluded from TAVR also have changed. The impact of these changes on patient referral for and exclusion from TAVR is unknown. METHODS: We retrospectively analyzed patients referred to our center for TAVR from January 2010 to August 2016 to evaluate reasons for patient exclusion...
February 2018: American Heart Journal
Jaffar M Khan, Toby Rogers, William H Schenke, Adam B Greenbaum, Vasilis C Babaliaros, Gaetano Paone, Rajiv Ramasawmy, Marcus Y Chen, Daniel A Herzka, Robert J Lederman
OBJECTIVES: Pledget-assisted suture tricuspid valve annuloplasty (PASTA) is a novel technique using marketed equipment to deliver percutaneous trans-annular sutures to create a double-orifice tricuspid valve. BACKGROUND: Tricuspid regurgitation is a malignant disease with high surgical mortality and no commercially available transcatheter solution in the US. METHODS: Two iterations of PASTA were tested using trans-apical or trans-jugular access in swine...
February 6, 2018: Catheterization and Cardiovascular Interventions
Toby Rogers, Robert J Lederman
Axillary arteries are less calcified and tortuous than iliofemoral arteries Axillary artery minimal luminal diameters are usually >5.0 mm even in patients with iliofemoral artery diameters < 5.0 mm Axillary and transcaval access are the only non-surgical fully percutaneous options for large-bore arterial access for TAVR or mechanical circulatory support devices.
January 1, 2018: Catheterization and Cardiovascular Interventions
Toby Rogers, Ron Waksman, Michael Slack, Lowell Satler
No abstract text is available yet for this article.
December 4, 2017: JACC. Cardiovascular Interventions
Nicholas Child, Gonca Suna, Darius Dabir, May-Lin Yap, Toby Rogers, Misha Kathirgamanathan, Eduardo Arroyo-Ucar, Rocio Hinojar, Islam Mahmoud, Christopher Young, Olaf Wendler, Manuel Mayr, Banher Sandhu, Geraint Morton, Marion Muhly-Reinholz, Stefanie Dimmeler, Eike Nagel, Valentina O Puntmann
Aims: To determine the bioequivalence of several T1 mapping sequences in myocardial characterization of diffuse myocardial fibrosis. Methods and results: We performed an intra-individual sequence comparison of three types of T1 mapping sequences [MOdified Look-Locker Inversion recovery (MOLLI), Shortened MOdified Look-Locker Inversion recovery ((sh)MOLLI), and SAturation recovery single-SHot Acquisition (SASHA)]. We employed two model diseases of diffuse interstitial fibrosis [patients with non-ischaemic dilated cardiomyopathy (NIDCM), n = 32] and aortic stenosis [(AS), n = 25)]...
December 11, 2017: European Heart Journal Cardiovascular Imaging
Toby Rogers, Vinod H Thourani
No abstract text is available yet for this article.
March 2018: Journal of Thoracic and Cardiovascular Surgery
Dean T Jamison, Ala Alwan, Charles N Mock, Rachel Nugent, David Watkins, Olusoji Adeyi, Shuchi Anand, Rifat Atun, Stefano Bertozzi, Zulfiqar Bhutta, Agnes Binagwaho, Robert Black, Mark Blecher, Barry R Bloom, Elizabeth Brouwer, Donald A P Bundy, Dan Chisholm, Alarcos Cieza, Mark Cullen, Kristen Danforth, Nilanthi de Silva, Haile T Debas, Peter Donkor, Tarun Dua, Kenneth A Fleming, Mark Gallivan, Patricia J Garcia, Atul Gawande, Thomas Gaziano, Hellen Gelband, Roger Glass, Amanda Glassman, Glenda Gray, Demissie Habte, King K Holmes, Susan Horton, Guy Hutton, Prabhat Jha, Felicia M Knaul, Olive Kobusingye, Eric L Krakauer, Margaret E Kruk, Peter Lachmann, Ramanan Laxminarayan, Carol Levin, Lai Meng Looi, Nita Madhav, Adel Mahmoud, Jean Claude Mbanya, Anthony Measham, María Elena Medina-Mora, Carol Medlin, Anne Mills, Jody-Anne Mills, Jaime Montoya, Ole Norheim, Zachary Olson, Folashade Omokhodion, Ben Oppenheim, Toby Ord, Vikram Patel, George C Patton, John Peabody, Dorairaj Prabhakaran, Jinyuan Qi, Teri Reynolds, Sevket Ruacan, Rengaswamy Sankaranarayanan, Jaime Sepúlveda, Richard Skolnik, Kirk R Smith, Marleen Temmerman, Stephen Tollman, Stéphane Verguet, Damian G Walker, Neff Walker, Yangfeng Wu, Kun Zhao
The World Bank is publishing nine volumes of Disease Control Priorities, 3rd edition (DCP3) between 2015 and 2018. Volume 9, Improving Health and Reducing Poverty, summarises the main messages from all the volumes and contains cross-cutting analyses. This Review draws on all nine volumes to convey conclusions. The analysis in DCP3 is built around 21 essential packages that were developed in the nine volumes. Each essential package addresses the concerns of a major professional community (eg, child health or surgery) and contains a mix of intersectoral policies and health-sector interventions...
November 24, 2017: Lancet
Sarkis Kiramijyan, Edward Koifman, Marco A Magalhaes, Itsik Ben-Dor, Romain Didier, Zachary D Jerusalem, Sandeep Kumar, Arpi Tavil-Shatelyan, Toby Rogers, Arie Steinvil, Jiaxiang Gai, Rebecca Torguson, Lowell F Satler, Augusto D Pichard, Ron Waksman
OBJECTIVE: Evaluation of invasive hemodynamic parameters as prognostic markers of mortality in patients undergoing TAVR. BACKGROUND: The value of invasive intraprocedural hemodynamic evaluation of patients undergoing transcatheter aortic valve replacement is unclear. METHODS: Consecutive patients who underwent transfemoral TAVR and had complete prospectively collected intraprocedural invasive hemodynamic parameters were retrospectively analyzed...
September 22, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
Toby Rogers, Lowell F Satler
A novel device that diverts a proportion of contrast injected by hand through the manifold can potentially reduce volume of contrast delivered to the patient by almost 50% to reduce risk of contrast-induced nephropathy. Another simple solution to reducing contrast volume is to limit the number of angiographic views and cine runs acquired. A conscious effort by the angiographer to limit the contrast volume to less than the eGFR should be considered.
November 15, 2017: Catheterization and Cardiovascular Interventions
Toby D Rogers, Giulia Cambiè, Michel J Kaiser
The lack of detailed life history (LH) information (e.g. age, growth, size at maturity, sex composition etc.) for many species of conservation importance limits the implementation of appropriate conservation measures. Typically, LH information is acquired using lethal sampling techniques, which undermines the goal of conservation. This is particularly problematic for many shark species that have low fecundity and slow growth rates. Here we tested the use of non-invasive laser photogrammetry to measure body morphometry in vivo...
2017: Marine Biology
Toby Rogers, Vinod H Thourani
No abstract text is available yet for this article.
September 22, 2017: Journal of Thoracic and Cardiovascular Surgery
Jaffar M Khan, Toby Rogers, Marvin H Eng, Robert J Lederman, Adam B Greenbaum
OBJECTIVES: Electrifying a coronary guidewire may be a simple escalation strategy when trans-septal needle puncture is unsuccessful. BACKGROUND: Radiofrequency energy to facilitate trans-septal puncture through a dedicated device is costly and directly through a trans-septal needle may be less safe. Our technique overcomes these limitations. METHODS: The technique was used in patients when trans-septal needle penetration failed despite excessive force or tenting of the atrial septum...
September 20, 2017: Catheterization and Cardiovascular Interventions
Toby Rogers, M Chadi Alraies, Rebecca Torguson, Ron Waksman
No abstract text is available yet for this article.
October 2017: American Heart Journal
Kanishka Ratnayaka, Joshua P Kanter, Anthony Z Faranesh, Elena K Grant, Laura J Olivieri, Russell R Cross, Ileen F Cronin, Karin S Hamann, Adrienne E Campbell-Washburn, Kendall J O'Brien, Toby Rogers, Michael S Hansen, Robert J Lederman
BACKGROUND: Children with heart disease may require repeated X-Ray cardiac catheterization procedures, are more radiosensitive, and more likely to survive to experience oncologic risks of medical radiation. Cardiovascular magnetic resonance (CMR) is radiation-free and offers information about structure, function, and perfusion but not hemodynamics. We intend to perform complete radiation-free diagnostic right heart catheterization entirely using CMR fluoroscopy guidance in an unselected cohort of pediatric patients; we report the feasibility and safety...
September 6, 2017: Journal of Cardiovascular Magnetic Resonance
M Chadi Alraies, Sang Yeub Lee, Michael J Lipinski, Kyle Buchanan, Arie Steinvil, Toby Rogers, Edward Koifman, Jiaxiang Gai, Rebecca Torguson, Itsik Ben-Dor, Lowell F Satler, Augusto D Pichard, Ron Waksman
Patients at high bleeding risk (HBR) are at increased risk of bleeding following percutaneous coronary intervention (PCI) with drug-eluting stents (DES) due to the need for longer dual antiplatelet duration. We sought to evaluate the likelihood of receiving DES during PCI in HBR populations and to characterize DES utilization trends over time. Consecutive patients who underwent PCI from April 2003 to September 2015 were identified. HBR is defined as patients fulfilling 1 or more of the HBR criteria: age ≥75 years, anticoagulation use at discharge, history of stroke, cancer in previous 3 years, glucocorticoid use, hemoglobin (Hgb) <11 g/dl, platelet count <100,000/mm(3), or creatinine clearance (CCr) <40 ml/min...
October 15, 2017: American Journal of Cardiology
Toby Rogers, Kanishka Ratnayaka, Jaffar M Khan, Annette Stine, William H Schenke, Laurie P Grant, Jonathan R Mazal, Elena K Grant, Adrienne Campbell-Washburn, Michael S Hansen, Rajiv Ramasawmy, Daniel A Herzka, Hui Xue, Peter Kellman, Anthony Z Faranesh, Robert J Lederman
BACKGROUND: Quantification of cardiac output and pulmonary vascular resistance (PVR) are critical components of invasive hemodynamic assessment, and can be measured concurrently with pressures using phase contrast CMR flow during real-time CMR guided cardiac catheterization. METHODS: One hundred two consecutive patients underwent CMR fluoroscopy guided right heart catheterization (RHC) with simultaneous measurement of pressure, cardiac output and pulmonary vascular resistance using CMR flow and the Fick principle for comparison...
July 27, 2017: Journal of Cardiovascular Magnetic Resonance
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