title: Blood pressure variability: can nonlinear dynamics enhance risk assessment during cardiovascular surgery?
authors: Department of Anesthesiology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA. Electronic address: bsubrama@bidmc.harvard.edu.
authors: Balachundhar
authors: B
authors: Subramaniam
authors: Department of Surgery (Cardiac), Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA.
authors: Kamal R
authors: KR
authors: Khabbaz
authors: Institute for Medical Engineering and Science and Department of Electrical Engineering and Computer Science, MIT, Cambridge, MA.
authors: Thomas
authors: T
authors: Heldt
authors: Department of Anesthesiology, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA.
authors: Adam B
authors: AB
authors: Lerner
authors: Department of Cardiovascular Epidemiology Research, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA.
authors: Murray A
authors: MA
authors: Mittleman
authors: Department of Medicine, Biostatistics, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA.
authors: Roger B
authors: RB
authors: Davis
authors: Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA.
authors: Ary L
authors: AL
authors: Goldberger
authors: Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA.
authors: Madalena D
authors: MD
authors: Costa
mesh_terms: D000368:Aged; D000375:Aging / Q000502:physiology; D000465:Algorithms; D001794:Blood Pressure / Q000502:physiology*; D002315:Cardiopulmonary Bypass; D013504:Cardiovascular Surgical Procedures / Q000379:methods*; D003422:Critical Care; D019277:Entropy; D005240:Feasibility Studies; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis* / Q000503:physiopathology / Q000601:surgery*; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D017711:Nonlinear Dynamics; D010865:Pilot Projects; D018570:Risk Assessment / Q000379:methods* / Q000706:statistics & numerical data; D012815:Signal Processing, Computer-Assisted
keywords: beat by beat.; blood pressure; blood pressure variability; cardiac surgery; dynamic biomarkers; instability; multiscale entropy; nonlinear analysis; outcomes; perioperative; risk index