Search Results - "Natarajan, Madhu K."

Outcomes after thrombus aspiration for ST elevation myocardial infarction: 1-year follow-up of the prospective randomised TOTAL trial by Jolly, Sanjit S, Dr, Cairns, John A, Prof, Yusuf, Salim, Prof, Rokoss, Michael J, MD, Gao, Peggy, MSc, Meeks, Brandi, MEng, Kedev, Sasko, Prof, Stankovic, Goran, MD, Moreno, Raul, MD, Gershlick, Anthony, Prof, Chowdhary, Saqib, MD, Lavi, Shahar, MD, Niemela, Kari, MD, Bernat, Ivo, MD, Cantor, Warren J, MD, Cheema, Asim N, MD, Steg, Philippe Gabriel, Prof, Welsh, Robert C, Prof, Sheth, Tej, MD, Bertrand, Olivier F, MD, Avezum, Alvaro, Prof, Bhindi, Ravinay, MBBS, Natarajan, Madhu K, Prof, Horak, David, MD, Leung, Raymond C M, MD, Kassam, Saleem, MD, Rao, Sunil V, MD, El-Omar, Magdi, MD, Mehta, Shamir R, Prof, Velianou, James L, MD, Pancholy, Samir, MD, Džavík, Vladimír, Prof

“…Summary Background Two large trials have reported contradictory results at 1 year after thrombus aspiration in ST elevation myocardial infarction (STEMI). In a…”
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Advanced chronic kidney disease in patients undergoing transcatheter aortic valve implantation: insights on clinical outcomes and prognostic markers from a large cohort of patients by Allende, Ricardo, Webb, John G, Munoz-Garcia, Antonio J, de Jaegere, Peter, Tamburino, Corrado, Dager, Antonio E, Cheema, Asim, Serra, Vicenç, Amat-Santos, Ignacio, Velianou, James L, Barbanti, Marco, Dvir, Danny, Alonso-Briales, Juan H, Nuis, Rutger-Jan, Faqiri, Elhamula, Imme, Sebastiano, Benitez, Luis Miguel, Cucalon, Angela Maria, Al Lawati, Hatim, Garcia del Blanco, Bruno, Lopez, Javier, Natarajan, Madhu K, DeLarochellière, Robert, Urena, Marina, Ribeiro, Henrique B, Dumont, Eric, Nombela-Franco, Luis, Rodés-Cabau, Josep

“…The aim of this study was to determine the effects of advanced chronic kidney disease (CKD) on early and late outcomes after transcatheter aortic valve…”
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Effects of withdrawing vs continuing renin-angiotensin blockers on incidence of acute kidney injury in patients with renal insufficiency undergoing cardiac catheterization: Results from the Angiotensin Converting Enzyme Inhibitor/Angiotensin Receptor Blocker and Contrast Induced Nephropathy in Patients Receiving Cardiac Catheterization (CAPTAIN) trial by Bainey, Kevin R., MD, MSc, Rahim, Sherali, MD, Etherington, Krystal, BSc, Rokoss, Michael L., MD, Natarajan, Madhu K., MD, MSc, Velianou, James L., MD, Brons, Sonya, RN, Mehta, Shamir R., MD, MSc

“…Background It is unclear if holding angiotensin-converting enzyme inhibitors (ACEI) or angiotensin receptor blockers (ARB) prior to coronary angiography…”
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Contrast-Induced Nephropathy and Long-Term Adverse Events: Cause and Effect? by Solomon, Richard J, Mehran, Roxana, Natarajan, Madhu K, Doucet, Serge, Katholi, Richard E, Staniloae, Cezar S, Sharma, Samin K, Labinaz, Marino, Gelormini, Joseph L, Barrett, Brendan J

“…The relationship of contrast-induced nephropathy (CIN) to long-term adverse events (AEs) is controversial. Although an association with AEs has been previously…”
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Precautions and Procedures for Coronary and Structural Cardiac Interventions During the COVID-19 Pandemic: Guidance from Canadian Association of Interventional Cardiology by Wood, David A., Sathananthan, Janarthanan, Gin, Ken, Mansour, Samer, Ly, Hung Q., Quraishi, Ata-ur-Rehman, Lavoie, Andrea, Lutchmedial, Sohrab, Nosair, Mohamed, Bagai, Akshay, Bainey, Kevin R., Boone, Robert H., Liu, Shuangbo, Krahn, Andrew, Virani, Sean, Mehta, Shamir R., Natarajan, Madhu K., Velianou, James L., Dehghani, Payam, Wijeysundera, Harindra C., Asgar, Anita W., Virani, Alice, Welsh, Robert C., Webb, John G., Cohen, Eric A.

“…The globe is currently in the midst of a COVID-19 pandemic, resulting in significant morbidity and mortality. This pandemic has placed considerable stress on…”
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Radial Artery Access as a Predictor of Increased Radiation Exposure During a Diagnostic Cardiac Catheterization Procedure by Mercuri, Mathew, MSc, PhD(C), Mehta, Shamir, MD, MSc, Xie, Changchun, PhD, Valettas, Nicholas, MD, MASc, Velianou, James L., MD, Natarajan, Madhu K., MD, MSc

“…Objectives We sought to determine whether radial artery access is associated with increased radiation exposure during cardiac catheterization and whether this…”
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Need for Permanent Pacemaker as a Complication of Transcatheter Aortic Valve Implantation and Surgical Aortic Valve Replacement in Elderly Patients With Severe Aortic Stenosis and Similar Baseline Electrocardiographic Findings by Bagur, Rodrigo, MD, Rodés-Cabau, Josep, MD, Gurvitch, Ronen, MBBS, Dumont, Éric, MD, Velianou, James L., MD, Manazzoni, Juan, MD, Toggweiler, Stefan, MD, Cheung, Anson, MD, Ye, Jian, MD, Natarajan, Madhu K., MD, Bainey, Kevin R., MD, DeLarochellière, Robert, MD, Doyle, Daniel, MD, Pibarot, Philippe, DVM, PhD, Voisine, Pierre, MD, Côté, Mélanie, MSc, Philippon, François, MD, Webb, John G., MD

“…Objectives The aim of this study was to compare the incidence and predictive factors of complete atrioventricular block (AVB) and permanent pacemaker…”
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Length of initial prescription at hospital discharge and long-term medication adherence for elderly, post-myocardial infarction patients: a population-based interrupted time series study by Schwalm, J. D, Ivers, Noah M, Bouck, Zachary, Taljaard, Monica, Natarajan, Madhu K, Nguyen, Francis, Hijazi, Waseem, Thavorn, Kednapa, Dolovich, Lisa, McCready, Tara, O'Brien, Erin, Grimshaw, Jeremy M

“…Abstract Background Preliminary evidence suggests that providing longer duration prescriptions at discharge may improve long-term adherence to secondary…”
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Transcatheter Aortic Valve Implantation in Patients With Bicuspid Aortic Valve Stenosis by Wijesinghe, Namal, MBBS, MD, Ye, Jian, MD, Rodés-Cabau, Josep, MD, Cheung, Anson, MD, Velianou, James L., MD, Natarajan, Madhu K., MSc, MD, Dumont, Eric, MD, Nietlispach, Fabian, MD, Gurvitch, Ronen, MBBS, Wood, David A., MD, Tay, Edgar, MBBS, Webb, John G., MD

“…Objectives We evaluated transcatheter aortic valve implantation (TAVI) in high-risk patients with bicuspid aortic valve (BAV) stenosis. Background TAVI shows…”
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Assessing the Association of Appropriateness of Coronary Revascularization and Clinical Outcomes for Patients With Stable Coronary Artery Disease by Ko, Dennis T., MD, MSc, Guo, Helen, MSc, Wijeysundera, Harindra C., MD, PhD, Natarajan, Madhu K., MD, MSc, Nagpal, A. Dave, MD, Feindel, Christopher M., MD, Kingsbury, Kori, MSN, Cohen, Eric A., MD, Tu, Jack V., MD, PhD

“…Objectives The study assessed the appropriateness of coronary revascularization in Ontario, Canada, and examined its association with longer-term outcomes…”
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Cluster randomized controlled trial of Delayed Educational Reminders for Long-term Medication Adherence in ST-Elevation Myocardial Infarction (DERLA-STEMI) by Schwalm, Jon-David, MD, MSc, Ivers, Noah M., MD, PhD, Natarajan, Madhu K., MD, MSc, Taljaard, Monica, PhD, Rao-Melacini, Purnima, MSc, Witteman, Holly O., PhD, Zwarenstein, Merrick, MBBCh, MSc, PhD, Grimshaw, Jeremy M., MBCHB, PhD

“…Background Discontinuation of guideline-recommended cardiac medications post–ST-elevation myocardial infarction (STEMI) is common and associated with increased…”
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Same-Day Discharge After Elective Percutaneous Coronary Interventions in Ontario, Canada by Madan, Mina, Bagai, Akshay, Overgaard, Christopher B, Fang, Jiming, Koh, Maria, Cantor, Warren J, Garg, Pallav, Natarajan, Madhu K, So, Derek Y F, Ko, Dennis T

“…Background To manage overcrowding and bed shortages in Canadian hospitals, same-day discharge (SDD) after percutaneous coronary intervention (PCI) has emerged…”
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Comparison of Dual-antiplatelet Therapy to Mono-antiplatelet Therapy After Transcatheter Aortic Valve Implantation: Systematic Review and Meta-analysis by Gandhi, Sumeet, MD, Schwalm, Jon-David R., MD, MSc, Velianou, James L., MD, Natarajan, Madhu K., MD, MSc, Farkouh, Michael E., MD, MSc

“…Abstract Background Post–transcatheter aortic valve implantation (TAVI) dual-antiplatelet therapy (DAPT) with acetylsalicylic acid and clopidogrel is common…”
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Before the door: Comparing factors affecting symptom onset to first medical contact for STEMI patients between a high and low-middle income country by Balbaa, Amira, ElGuindy, Ahmed, Pericak, Dan, Natarajan, Madhu K., Schwalm, JD

“…•Early reperfusion in STEMI is associated with decreased morbidity and mortality.•Symptom onset to FMC consumes the majority of total ischemic time.•Contextual…”
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Safety and feasibility of early hospital discharge in ST-segment elevation myocardial infarction—A prospective and randomized trial in low-risk primary percutaneous coronary intervention patients (the Safe-Depart Trial) by Kotowycz, Mark A., MD, MBA, FRCPC, Cosman, Tammy L., RN, MN, ACNP, Tartaglia, Corinne, RN, MScN, Afzal, Rizwan, MSc, Syal, Renu Pal, BA, Natarajan, Madhu K., MD, MSc, FRCPC, FACC

“…Background Patients with ST-segment elevation myocardial infarction (STEMI) have traditionally been hospitalized for 5 to 7 days to monitor for serious…”
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A machine learning–based clinical decision support algorithm for reducing unnecessary coronary angiograms by Schwalm, J.D., Di, Shuang, Sheth, Tej, Natarajan, Madhu K., O’Brien, Erin, McCready, Tara, Petch, Jeremy

“…Conventional clinical risk scores and diagnostic algorithms are proving to be suboptimal in the prediction of obstructive coronary artery disease, contributing…”
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Predictors of normal coronary arteries at coronary angiography by Levitt, Kevin, MD, Guo, Helen, MSc, Wijeysundera, Harindra C., MD, PhD, Ko, Dennis T., MD, MSc, Natarajan, Madhu K., MD, Feindel, Christopher M., MD, Kingsbury, Kori, MSN, Cohen, Eric A., MD, Tu, Jack V., MD, PhD

“…Background Coronary angiograms are important in the diagnostic workup of patients with suspected coronary artery disease. However, little is known about the…”
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Early Observations During the COVID-19 Pandemic in Cardiac Catheterization Procedures for ST-Elevation Myocardial Infarction Across Ontario by Natarajan, Madhu K., Wijeysundera, Harindra C., Oakes, Garth, Cantor, Warren J., Miner, Steven E.S., Welsford, Michelle, Cheskes, Sheldon, Le May, Michel R., Jeffrey, Jana, Ko, Dennis T.

“…In response to the COVID-19 pandemic, Ontario issued a declaration of emergency, implementing public health interventions on March 16, 2020. We compared…”
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Predictors of Increased Radiation Dose During Percutaneous Coronary Intervention by Mercuri, Mathew, MSc, Xie, Changchun, PhD, Levy, Michael, MD, MPH, Valettas, Nicholas, MD, MaSc, Natarajan, Madhu K., MD, MSc

“…Radiation-induced injury is a potential unintended outcome of fluoroscopy-supported cardiology procedures (e.g., percutaneous coronary intervention [PCI]). The…”
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Centralized Triage of Suspected Coronary Artery Disease Using Coronary Computed Tomographic Angiography to Optimize the Diagnostic Yield of Invasive Angiography by Schwalm, J.-D., Bouck, Zachary, Natarajan, Madhu K., Pinilla, Natalia, Walker, Danielle, Syed, Nida, Landry, David, Sabri, Ali, Tandon, Vikas, Nkurunziza, James, Taljaard, Monica, Sheth, Tej

“…Coronary computed tomographic angiography (CCTA) is preferable to invasive coronary angiography (ICA) for coronary artery disease (CAD) diagnosis in elective…”
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