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Complex systems and the technology of variability analysis.

Seely AJ, Macklem PT.

Crit Care. 2004 Dec;8(6):R367-84. Epub 2004 Sep 22. Review.PMID: 15566580 [PubMed - indexed for MEDLINE]Related articlesFree article

Novel method to quantify loss of heart rate variability in pediatric multiple organ failure.

Tibby SM, Frndova H, Durward A, Cox PN.

Crit Care Med. 2003 Jul;31(7):2059-67.PMID: 12847404 [PubMed - indexed for MEDLINE]Related articles

Multiple organ dysfunction syndrome: exploring the paradigm of complex nonlinear systems.

Seely AJ, Christou NV.

Crit Care Med. 2000 Jul;28(7):2193-200. Review.PMID: 10921540 [PubMed - indexed for MEDLINE]Related articles

Investigation of altered heart rate variability, nonlinear properties of heart rate signals, and organ dysfunction longitudinally over time in intensive care unit patients.

Papaioannou VE, Maglaveras N, Houvarda I, Antoniadou E, Vretzakis G.

J Crit Care. 2006 Mar;21(1):95-103; discussion 103-4.PMID: 16616632 [PubMed - indexed for MEDLINE]Related articles

Chronoastrobiology: proposal, nine conferences, heliogeomagnetics, transyears, near-weeks, near-decades, phylogenetic and ontogenetic memories.

Halberg F, Cornélissen G, Regal P, Otsuka K, Wang Z, Katinas GS, Siegelova J, Homolka P, Prikryl P, Chibisov SM, Holley DC, Wendt HW, Bingham C, Palm SL, Sonkowsky RP, Sothern RB, Pales E, Mikulecky M, Tarquini R, Perfetto F, Salti R, Maggioni C, Jozsa R, Konradov AA, Kharlitskaya EV, Revillam M, Wan C, Herold M, Syutkina EV, Masalov AV, Faraone P, Singh RB, Singh RK, Kumar A, Singhs R, Sundaram S, Sarabandi T, Pantaleoni G, Watanabe Y, Kumagai Y, Gubin D, Uezono K, Olah A, Borer K, Kanabrockia EA, Bathina S, Haus E, Hillman D, Schwartzkopff O, Bakken EE, Zeman M.

Biomed Pharmacother. 2004 Oct;58 Suppl 1:S150-87.PMID: 15754855 [PubMed - indexed for MEDLINE]Related articles

The "Chaos Theory" and nonlinear dynamics in heart rate variability analysis: does it work in short-time series in patients with coronary heart disease?

Krstacic G, Krstacic A, Smalcelj A, Milicic D, Jembrek-Gostovic M.

Ann Noninvasive Electrocardiol. 2007 Apr;12(2):130-6.PMID: 17593181 [PubMed - indexed for MEDLINE]Related articles

Heart rate chaos as a mortality predictor in mild to moderate heart failure.

Arzeno NM, Kearney MT, Eckberg DL, Nolan J, Poon CS.

Conf Proc IEEE Eng Med Biol Soc. 2007;2007:5051-4.PMID: 18003141 [PubMed - indexed for MEDLINE]Related articles

Clinical implications of temperature curve complexity in critically ill patients.

Varela M, Calvo M, Chana M, Gomez-Mestre I, Asensio R, Galdos P.

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Time series analysis in critical care monitoring.

Imhoff M, Bauer M.

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Relationship between detrended fluctuation analysis and spectral analysis of heart-rate variability.

Willson K, Francis DP, Wensel R, Coats AJ, Parker KH.

Physiol Meas. 2002 May;23(2):385-401.PMID: 12051310 [PubMed - indexed for MEDLINE]Related articles

Nonlinear analysis of heart rate variability signal for the characterization of cardiac heart failure patients.

Signorini MG, Ferrario M, Marchetti M, Marseglia A.

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Power-law model for understanding multiple organ dysfunction syndrome.

Ellenby MS, Goldstein B.

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Reduced heart rate multiscale entropy predicts death in critical illness: a study of physiologic complexity in 285 trauma patients.

Norris PR, Stein PK, Morris JA Jr.

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Regular heartbeat dynamics are associated with cardiac health.

Cysarz D, Lange S, Matthiessen PF, Leeuwen P.

Am J Physiol Regul Integr Comp Physiol. 2007 Jan;292(1):R368-72. Epub 2006 Sep 14.PMID: 16973939 [PubMed - indexed for MEDLINE]Related articles

Understanding gastrointestinal perfusion in critical care: so near, and yet so far.

Ackland G, Grocott MP, Mythen MG.

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[Investigating the fractal characteristic of heart rate variability during anesthesia]

Liu X, Xu W, Chen W, Ye Z.

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi. 2006 Jun;23(3):492-5. Chinese. PMID: 16856375 [PubMed - indexed for MEDLINE]Related articles

Interpretation of heart rate variability via detrended fluctuation analysis and alphabeta filter.

Echeverría JC, Woolfson MS, Crowe JA, Hayes-Gill BR, Croaker GD, Vyas H.

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Multiscale probability density function analysis: non-Gaussian and scale-invariant fluctuations of healthy human heart rate.

Kiyono K, Struzik ZR, Aoyagi N, Yamamoto Y.

IEEE Trans Biomed Eng. 2006 Jan;53(1):95-102.PMID: 16402608 [PubMed - indexed for MEDLINE]Related articles

Nonlinear dynamics, complex systems, and the pathobiology of critical illness.

Buchman TG.

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Multiscale entropy to distinguish physiologic and synthetic RR time series.

Costa M, Goldberger AL, Peng CK.

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