Research Topics
| Gokul SwamySummaryAffiliation: GE Healthcare Country: USA Publications
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Detail Information
Publications
Calculation of forward and backward arterial waves by analysis of two pressure waveformsGokul Swamy
Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, USA
IEEE Trans Biomed Eng 57:2833-9. 2010..The time delay between the waves in the central aorta was 175 ± 14 ms during baseline. This delay varied by ±∼25% and was inversely related to mean pressure...
Identification of the total peripheral resistance baroreflex impulse response from spontaneous hemodynamic variability: validation by chronic arterial baroreceptor denervationXiaoxiao Chen
Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, USA
Conf Proc IEEE Eng Med Biol Soc 2007:1051-4. 2007..Our results show that the technique correctly predicted the alterations in TPR baroreflex functioning that are known to occur following the baroreceptor denervation...- Blind identification of the central aortic pressure waveform from multiple peripheral arterial pressure waveformsGokul Swamy
Dept of Electr and Comput Eng, Michigan State Univ, East Lansing, MI 48824, USA
Conf Proc IEEE Eng Med Biol Soc 1:1822-5. 2006..8%. Potential clinical applications of the technique may include critical care monitoring with respect to invasive catheter systems and emergency and home monitoring with respect to non-invasive arterial pressure transducers... - An adaptive transfer function for deriving the aortic pressure waveform from a peripheral artery pressure waveformGokul Swamy
Dept of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824 1226, USA
Am J Physiol Heart Circ Physiol 297:H1956-63. 2009..6, 17.1, and 20.3 mmHg) and the AP waveforms derived by two previously proposed transfer functions developed with a subset of the same canine data (corresponding errors of, on average, 5.0, 6.3, and 6.7 mmHg)... - Estimation of the aortic pressure waveform from a radial artery pressure waveform via an adaptive transfer function: Feasibility demonstration in swineGokul Swamy
Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, USA
Conf Proc IEEE Eng Med Biol Soc 2009:2362-4. 2009..1 and 4.8 mmHg) than the two unprocessed PAP waveforms (9.1 and 8.1 mmHg) and a previous GTF technique trained on a subset of the same data (5.0 and 5.8 mmHg)... - Continuous left ventricular ejection fraction monitoring by aortic pressure waveform analysisGokul Swamy
Department of Electrical and Computer Engineering, Michigan State University, 2120 Engineering Building, East Lansing, MI 48824, USA
Ann Biomed Eng 37:1055-68. 2009..6% and 4.1 mL, and reliable estimation of relative E (max) and beat-to-beat CO changes. These results demonstrate, perhaps for the first time, the feasibility of estimating EF from only a blood pressure waveform... - Estimation of the aortic pressure waveform from a peripheral artery pressure waveform via an adaptive transfer functionGokul Swamy
Department of Electrical and Computer Engineering, East Lansing, MI 48824, USA
Conf Proc IEEE Eng Med Biol Soc 2008:1385-8. 2008..2 mmHg. For comparison, the corresponding errors of two previously proposed generalized transfer functions trained on a subset of the same canine data were, on average, 19% larger... - Quantification of forward and backward arterial waves by model-based analysis of aortic and femoral artery pressure waveformsGokul Swamy
Department of Electrical and Computer Engineering, East Lansing, MI 48824, USA
Conf Proc IEEE Eng Med Biol Soc 2008:817-20. 2008.... - Estimation of the aortic pressure waveform and beat-to-beat relative cardiac output changes from multiple peripheral artery pressure waveformsGokul Swamy
Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, USA
IEEE Trans Biomed Eng 55:1521-9. 2008..With further successful testing, the new technique may ultimately be employed for automated and less invasive monitoring of central hemodynamics in various cardiovascular patients... - Continuous ejection fraction estimation by model-based analysis of an aortic pressure waveform: comparison to echocardiographyGokul Swamy
Department of Electrical and Computer Engineering, East Lansing, MI 48824 USA
Conf Proc IEEE Eng Med Biol Soc 2007:963-6. 2007..We report an overall EF error of only 8.3%. With further successful testing, the technique may ultimately be utilized for continuous EF monitoring in research and clinical settings in which an aortic catheter is employed... - Estimation of the total peripheral resistance baroreflex impulse response from spontaneous hemodynamic variabilityXiaoxiao Chen
Department of Electrical and Computer Engineering, Michigan State University, 2120 Engineering Bldg, East Lansing, MI 48824, USA
Am J Physiol Heart Circ Physiol 294:H293-301. 2008..7 +/- 0.44 to -1.8 +/- 0.2 (P < 0.05)] following the chronic intervention. Moreover, the technique yielded estimates whose values were consistent with those reported with more invasive and/or experimentally difficult methods... - Blind identification of the aortic pressure waveform from multiple peripheral artery pressure waveformsGokul Swamy
Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, USA
Am J Physiol Heart Circ Physiol 292:H2257-64. 2007..With further successful testing, the technique may ultimately be employed for more precise monitoring and titration of therapy in, for example, critically ill and hypertension patients...