Search Results - "Goldberger, Ary L."

Heart Rate Fragmentation: A New Approach to the Analysis of Cardiac Interbeat Interval Dynamics by Costa, Madalena D, Davis, Roger B, Goldberger, Ary L

“…Short-term heart rate variability (HRV) is most commonly attributed to physiologic vagal tone modulation. However, with aging and cardiovascular disease, the…”
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Scaling Up Scientific Discovery in Sleep Medicine: The National Sleep Research Resource by Dean, 2nd, Dennis A, Goldberger, Ary L, Mueller, Remo, Kim, Matthew, Rueschman, Michael, Mobley, Daniel, Sahoo, Satya S, Jayapandian, Catherine P, Cui, Licong, Morrical, Michael G, Surovec, Susan, Zhang, Guo-Qiang, Redline, Susan

“…Professional sleep societies have identified a need for strategic research in multiple areas that may benefit from access to and aggregation of large,…”
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Generalized Multiscale Entropy Analysis: Application to Quantifying the Complex Volatility of Human Heartbeat Time Series by Madalena D. Costa, Ary L. Goldberger

“…We introduce a generalization of multiscale entropy (MSE) analysis. The method is termed MSEn, where the subscript denotes the moment used to coarse-grain a…”
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Multiscale entropy analysis of complex physiologic time series by Costa, Madalena, Goldberger, Ary L, Peng, C-K

“…There has been considerable interest in quantifying the complexity of physiologic time series, such as heart rate. However, traditional algorithms indicate…”
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Therapeutic Ranges of Serum Digoxin Concentrations in Patients With Heart Failure by Goldberger, Zachary D., MD, MS, Goldberger, Ary L., MD

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Heart Rate Fragmentation: A Symbolic Dynamical Approach by Costa, Madalena D, Davis, Roger B, Goldberger, Ary L

“…We recently introduced the concept of heart rate fragmentation along with a set of metrics for its quantification. The term was coined to refer to an increase…”
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Blood pressure fragmentation as a new measure of blood pressure variability: association with predictors of cardiac surgery outcomes by Costa, Madalena D, Rangasamy, Valluvan, Behera, Alkananda, Mathur, Priyam, Khera, Tanvi, Goldberger, Ary L, Subramaniam, Balachundhar

“…Fluctuations in beat-to-beat blood pressure variability (BPV) encode untapped information of clinical utility. A need exists for developing new methods to…”
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Prediction of Cognitive Decline Using Heart Rate Fragmentation Analysis: The Multi-Ethnic Study of Atherosclerosis by Costa, Madalena D, Redline, Susan, Hughes, Timothy M, Heckbert, Susan R, Goldberger, Ary L

“…Heart rate fragmentation (HRF), a new non-invasive metric quantifying cardiac neuroautonomic function, is associated with increasing age and cardiovascular…”
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Multiscale entropy analysis of human gait dynamics by Costa, M., Peng, C.-K., L. Goldberger, Ary, Hausdorff, Jeffrey M.

“…We compare the complexity of human gait time series from healthy subjects under different conditions. Using the recently developed multiscale entropy…”
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Heart Rate Fragmentation as a Novel Biomarker of Adverse Cardiovascular Events: The Multi-Ethnic Study of Atherosclerosis by Costa, Madalena D, Redline, Susan, Davis, Roger B, Heckbert, Susan R, Soliman, Elsayed Z, Goldberger, Ary L

“…A major objective of precision medicine is the elucidation of non-invasive biomarkers of cardiovascular (CV) risk. Recently, we introduced a new dynamical…”
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Relationship between delta power and the electrocardiogram-derived cardiopulmonary spectrogram: possible implications for assessing the effectiveness of sleep by Thomas, Robert Joseph, Mietus, Joseph E, Peng, Chung-Kang, Guo, Dan, Gozal, David, Montgomery-Downs, Hawley, Gottlieb, Daniel J, Wang, Cheng-Yen, Goldberger, Ary L

“…Abstract Objectives The physiologic relationship between slow-wave activity (SWA) (0–4 Hz) on the electroencephalogram (EEG) and high-frequency (0.1–0.4 Hz)…”
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Fractal dynamics in physiology: Alterations with disease and aging by Goldberger, Ary L, Amaral, Luis A N, Hausdorff, Jeffrey M, Ivanov, Plamen Ch, Peng, C-K, Stanley, H Eugene

“…According to classical concepts of physiologic control, healthy systems are self-regulated to reduce variability and maintain physiologic constancy. Contrary…”
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Differentiating Obstructive from Central and Complex Sleep Apnea Using an Automated Electrocardiogram-Based Method by THOMAS, Robert Joseph, MIETUS, Joseph E, PENG, Chung-Kang, GILMARTIN, Geoffrey, DALY, Robert W, GOLDBERGER, Ary L, GOTTLIEB, Daniel J

“…Complex sleep apnea is defined as sleep disordered breathing secondary to simultaneous upper airway obstruction and respiratory control dysfunction. The…”
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Multiscale analysis of heart rate dynamics: entropy and time irreversibility measures by Costa, Madalena D, Peng, Chung-Kang, Goldberger, Ary L

“…Cardiovascular signals are largely analyzed using traditional time and frequency domain measures. However, such measures fail to account for important…”
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Heart rate dynamics after combined strength and endurance training in middle-aged women: heterogeneity of responses by Karavirta, Laura, Costa, Madalena D, Goldberger, Ary L, Tulppo, Mikko P, Laaksonen, David E, Nyman, Kai, Keskitalo, Marko, Häkkinen, Arja, Häkkinen, Keijo

“…The loss of complexity in physiological systems may be a dynamical biomarker of aging and disease. In this study the effects of combined strength and endurance…”
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Multifractality in human heartbeat dynamics by Ivanov, P. C., Amaral, L. A., Goldberger, A. L., Havlin, S., Rosenblum, M. G., Struzik, Z. R., Stanley, H. E.

“…There is evidence that physiological signals under healthy conditions may have a fractal temporal structure. Here we investigate the possibility that time…”
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Effect of Mild, Asymptomatic Obstructive Sleep Apnea on Daytime Heart Rate Variability and Impedance Cardiography Measurements by Balachandran, Jay S., MD, Bakker, Jessie P., PhD, Rahangdale, Shilpa, MD, Yim-Yeh, Susie, MD, Mietus, Joseph E., BS, Goldberger, Ary L., MD, Malhotra, Atul, MD

“…Dysregulation of autonomic nervous system dynamics is important in the pathophysiology of cardiovascular risk in obstructive sleep apnea (OSA). Heart rate…”
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Magnitude and sign correlations in heartbeat fluctuations by Ashkenazy, Y., Ivanov, P. C., Havlin, S., Peng, C. K., Goldberger, A. L., Stanley, H. E.

“…We propose an approach for analyzing signals with long-range correlations by decomposing the signal increment series into magnitude and sign series and…”
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Complexity-loss in fetal heart rate dynamics during labor as a potential biomarker of acidemia by Costa, Madalena D, Schnettler, William T, Amorim-Costa, Célia, Bernardes, João, Costa, Antónia, Goldberger, Ary L, Ayres-de-Campos, Diogo

“…Abstract Background Continuous fetal heart rate (FHR) monitoring remains central to intrapartum care. However, advances in signal analysis are needed to…”
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Dynamic markers of altered gait rhythm in amyotrophic lateral sclerosis by Hausdorff, Jeffrey M, Lertratanakul, Apinya, Cudkowicz, Merit E, Peterson, Amie L, Kaliton, David, Goldberger, Ary L

“…1  Margret and H. A. Rey Laboratory for Nonlinear Dynamics in Medicine and 2  Gerontology Division, Beth Israel Deaconess Medical Center, Boston 02215; 3…”
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