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Study Results Validate Shape-HF as Simplified, Portable Cardiopulmonary Exercise Testing System
Date:3/11/2010

metry for gas analysis as tested at the Division of Cardiovascular Diseases in the Department of Internal Medicine at the Mayo Clinic. The study involved testing 22 subjects simultaneously on each system. Pneumotachs providing air flow to the respective test systems were connected in series for the tests. The order of the pneumotach for each system was alternated for two test runs separated by 15 minutes of rest. Each subject was tested at rest and as power was incrementally increased on a cycle ergometer with three minutes of exercise at each exercise work rate. The last 30 seconds of data for each interval for each run was then averaged. The averages of all subjects for rest and the three exercise intervals were then averaged for each run. The average values for each run showed a remarkably consistent parallel and match for all measurements, which included heart rate (HR), oxygen uptake (VO2), carbon dioxide output (VCO2), tidal volume (VT), end-tidal partial pressure of carbon dioxide (PetCO2), oxygen saturation (SaO2), and breathing frequency (Fb). Prior to each test run, the Mayo system was calibrated manually; the Shape-HF was calibrated automatically using its proprietary dynamic autocalibration feature that does not require manual calibration prior to testing.

Shape Medical Systems Inc. is a privately held, St. Paul, Minnesota-based medical device company whose core technology lies in the development and commercialization of products for assessing heart/lung interaction and ventilation in chronic heart failure and other cardiopulmonary disease. Shape's clear mission is to develop products that increase the quality of patients' lives by helping doctors quantify shortness of breath, assess patient functional capacity, optimize drug, device and rehabilitation therapy, and monitor patient progress. Shape testing provides ev
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Study Results Validate Shape-HF as Simplified, Portable Cardiopulmonary Exercise Testing System 
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