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10. CAN STRESS SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY MYOCARDIAL PERFUSION IMAGING PROVIDE EFFECTIVE CARDIAC RISK STRATIFICATION IN OCTOGENARIANS WITH NO KNOWN CORONARY ARTERY DISEASE?

Author

Nair, Sanjeev U., primary, Mathur, Shishir, additional, Ghatak, Abhijit, additional, Texeira, Vivian, additional, Rashid, Mahjabeen, additional, Kazi, Fawad, additional, Ahlberg, Alan, additional, Shah, Anuj, additional, Mennett, Roger, additional, Katten, Deborah, additional, and Heller, Gary, additional

Published
2010
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11. Physical Activity is Associated with Positive Responses During Carotid Sinus Massage and Head-Up Tilt-Table Test in Patients with Unexplained Syncope.

Author

MATHUR, SHISHIR, GUERTIN, DANETTE, COLEMAN, CRAIG I., THOMPSON, PAUL D., and KLUGER, JEFFREY

Abstract

Aims: Physical exercise is known to alter the physiological response to orthostatic stress. This study compared reported physical activity levels in patients with unexplained syncope who did or did not demonstrate positive responses to carotid sinus massage and head-up tilt-table testing. Methods: We reviewed the records of 1,336 patients with unexplained syncope who underwent carotid sinus massage and head-up tilt-table testing. Patients with positive responses (cases) were compared with patients with negative responses (controls). Multivariable regression analysis was used to identify independent predictors of positive responses to carotid sinus massage and head-up tilt-table testing. Results: Seventy patients had a positive response to carotid sinus massage and 564 patients had a positive response to head-up tilt-table testing. Physical activity was an independent positive predictor of a positive response to both carotid sinus massage {adjusted odds ratio (AOR) 1.86, 95%CI (1.14-3.05); p=0.01} and head-up tilt-table testing [AOR 1.31, 95% CI (1.04-1.65); P=0.02} even after adjustment for multiple other factors including age, gender, and other medical conditions. Conclusion: Physical activity is associated with greater likelihood of positive responses during carotid sinus massage and head-up tilt-table testing [ABSTRACT FROM AUTHOR]

Published
2013

12. DOES THE OBESITY PARADOX EXIST IN DIABETIC PATIENTS WITH NO KNOWN CORONARY ARTERY DISEASE? RISK STRATIFICATION USING STRESS SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY MYOCARDIAL PERFUSION IMAGING

Author

Donna M. Polk, Vivian Teixeira, Gary V. Heller, Mahjabeen Rashid, Farooq Iqtidar, Fawad Kazi, Deborah Katten, Abhijit Ghatak, Roger Mennett, Alan W. Ahlberg, Mathur Shishir, and Sanjeev U. Nair

Subjects
medicine.medical_specialty, medicine.diagnostic_test, business.industry, Single-photon emission computed tomography, Myocardial perfusion imaging, Internal medicine, Risk stratification, Cardiology, Medicine, Radiology, Known Coronary Artery Disease, business, Cardiology and Cardiovascular Medicine, Obesity paradox
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