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15 results on '"Platonov, Michael"'

9. Endothelium-Derived Hyperpolarizing Factor in Human Internal Mammary Artery Is 11,12-Epoxyeicosatrienoic Acid and Causes Relaxation by Activating Smooth Muscle BK Ca Channels

Author

Archer, Stephen L., primary, Gragasin, Ferrante S., additional, Wu, Xichen, additional, Wang, Shaohua, additional, McMurtry, Sean, additional, Kim, Daniel H., additional, Platonov, Michael, additional, Koshal, Arvind, additional, Hashimoto, Kyoko, additional, Campbell, William B., additional, Falck, J.R., additional, and Michelakis, Evangelos D., additional

Published
2003
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10. Pacing Therapies for Atrial Fibrillation.

Author

Kusumoto, Fred M., Goldschlager, Nora F., Platonov, Michael A., and Van Hare, Anne M.

Abstract

Atrial fibrillation (AF) occurs frequently in the pacemaker population particularly in those with sinus node dysfunction as the primary indication for cardiac pacing (1-3). Clinical trials have demonstrated that atrial pacing prevents paroxysmal and persistent AF in the general pacemaker population and the greatest benefit is observed in patients with sinus node disease (1-4). Many dual chamber pacemakers now have specific algorithms designed to suppress AF (4,5). In addition, there has been considerable interest in selective atrial pacing sites and prevention of AF (4,5). [ABSTRACT FROM AUTHOR]

Published
2008
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11. Welcoming Opposition

Author

Cousins, John, White, Adele, Lewington, Andrew, Chamberlain, Gerry, Platonov, Michael, and Mahoney, Brian

Subjects
General interest, News, opinion and commentary
Abstract

Conceding that Thomas Mulcair is a match for Stephen Harper ('The fights of his life,' National, Sept. 24), it will take a lot of hard work on the ground to [...]

Published
2012

13. LETTERS.

Author

Litzcke, Ursula, Garber, Allan, Platonov, Michael, Anderson, Todd, Stockton, Wayne, Cusiac, Pat, Jennings, Peter, Jones, Rachel L., Ducas, Dean, and Menzies, Heather

Subjects
HAPPINESS, CARBON taxes
Published
2018

14. Letters.

Author

Murphy, Caleigh, Cousins, John, White, Adele, Lewington, Andrew, Chamberlain, Gerry, Platonov, Michael, Mahoney, Brian, Milnes, Alan R., Kasperowicz, Jacob, Boyle, Charles, Charlebois, Serge, Barmby, Bob, Kazazi, Monika, Stone, Peter, Burke, Marian, Ward, Mike, Bell, Doug, and Kereliuk, Ruth

Subjects
LETTERS to the editor, BILINGUALISM, UNITED States presidential election, 2012, BOTULINUM toxin, DENTISTS
Abstract

Several letters to the editor are presented in response to articles in previous issues including "All the Nous That's Fit to Speak" by Paul Wells in the September 24, 2012 issue about bilingual anglophones in Quebec, "Getting Rid of the Personal in the Political" by Barbara Amiel in the September 24, 2012 issue about U.S. politics, and "Brush, Floss and Botox" in the September 10, 2012 issue about dentists offering cosmetic Botox injections.

Published
2012

15. Tumour on the tricuspid valve: metastatic osteosarcoma and the heart.

Author

Platonov MA, Turner AR, Mullen JC, Noga M, and Welsh RC

Subjects
Adolescent, Bone Neoplasms therapy, Cardiac Surgical Procedures methods, Chemotherapy, Adjuvant, Combined Modality Therapy, Female, Follow-Up Studies, Heart Neoplasms surgery, Humans, Osteosarcoma diagnosis, Osteosarcoma therapy, Osteotomy methods, Risk Assessment, Scapula, Treatment Outcome, Bone Neoplasms pathology, Heart Neoplasms diagnosis, Heart Neoplasms secondary, Osteosarcoma secondary
Abstract

The antemortem diagnosis of cardiac metastases in osteogenic sarcoma has been documented in only 25 cases over the past 50 years, whereas a prevalence as high as 20% is seen at autopsy, suggesting that cardiac involvement is a late stage complication. As the survival times for primary osteosarcoma continue to improve, previously rare, late stage complications will undoubtedly become more prevalent. In addition to presenting a new case of cardiac metastasis with prolonged survival, the present case report reviews the 25 cases from the literature to illustrate the distinguishing characteristics and clinical presentation, as well as to draw conclusions regarding investigation and management. The demographic differences include female sex, advanced age at the time of diagnosis and longer interval to onset of secondary disease. The clinical characteristics involve hemodynamic compromise or precordial abnormality, with magnetic resonance imaging emerging as the gold standard for diagnosis. Cardiac involvement is a strong predictor of disease elsewhere and mandates careful surveillance, with surgical management likely providing the best outcome.

Published
2005

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