Search Results - "Rolnitzky, L"

Power law behavior of RR-interval variability in healthy middle-aged persons, patients with recent acute myocardial infarction, and patients with heart transplants by Bigger, J. T. Jr, Steinman, R. C., Rolnitzky, L. M., Fleiss, J. L., Albrecht, P., Cohen, R. J.

“…BACKGROUND. The purposes of the present study were (1) to establish normal values for the regression of log(power) on log(frequency) for, RR-interval…”
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The ability of several short-term measures of RR variability to predict mortality after myocardial infarction by BIGGER, J. T, FLEISS, J. L, ROLNITZKY, L. M, STEINMAN, R. C

“…We studied 715 patients 2 weeks after myocardial infarction to test the hypothesis that short-term power spectral measures of RR variability (calculated from 2…”
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Frequency domain measures of heart period variability and mortality after myocardial infarction by THOMAS BIGGER, J. JR, FLEISS, J. L, STEINMAN, R. C, ROLNITZKY, L. M, KLEIGER, R. E, ROTTMAN, J. N

“…We studied 715 patients 2 weeks after myocardial infarction to establish the associations between six frequency domain measures of heart period variability…”
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RR variability in healthy, middle-aged persons compared with patients with chronic coronary heart disease or recent acute myocardial infarction by BIGGER, J. T, FLEISS, J. L, STEINMAN, R. C, ROLNITZKY, L. M, SCHNEIDER, W. J, STEIN, P. K

“…The purpose of this investigation was to establish normal values of RR variability for middle-aged persons and compare them with values found in patients early…”
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Effect of autoimmune thyroid disease (AITD) in older, euthyroid infertile women undergoing in vitro fertilization (IVF) by Reh, A, Im, S, Amarosa, A, Rolnitzky, L, Grifo, J, Danoff, A

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Frequency domain measures of heart period variability to assess risk late after myocardial infarction by Bigger, J.Thomas, Fleiss, Joseph L., Rolnitzky, Linda M., Steinman, Richard C.

“…Objectives. To determine whether spectral measures of heart period (RR) variability predict death when measured late after infarction, we studied patients in…”
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The relationships among ventricular arrhythmias, left ventricular dysfunction, and mortality in the 2 years after myocardial infarction by BIGGER, J. T. JR, FLEISS, J. L, KLEIGER, R, MILLER, J. P, ROLNITZKY, L. M

“…We examined the relationships among ventricular arrhythmias, left ventricular dysfunction, and mortality after the occurrence of myocardial infarction in 766…”
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Time course of recovery of heart period variability after myocardial infarction by Bigger, J.Thomas, Fleiss, Joseph L., Rolnitzky, Linda M., Steinman, Richard C., Schneider, William J.

“…Four components of the heart period power spectrum—ultra low frequency (<0.0033 Hz), very low frequency (0.0033 to <0.04 Hz), low frequency (0.04 to <0.15 Hz)…”
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Components of heart rate variability measured during healing of acute myocardial infarction by Bigger, J.Thomas, Kleiger, Robert E., Fleiss, Joseph L., Rolnitzky, Linda M., Steinman, Richard C., Miller, J.Philip

“…A high degree of heart rate (HR) variability is found in persons with normal hearts, whereas low HR variability can be found in patients with severe coronary…”
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Comparison of baroreflex sensitivity and heart period variability after myocardial infarction by Bigger, J.Thomas, La Rovere, Maria Teresa, Steinman, Richard C., Fleiss, Joseph L., Rottman, Jeffrey N., Rolnitzky, Linda M., Schwartz, Peter J.

“…In animals, baroreflex sensitivity is inversely related to the likelihood of ventricular fibrillation during myocardial ischemia. After myocardial infarction…”
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Efficient estimation of the heart period power spectrum suitable for physiologic or pharmacologic studies by Rottman, Jeffrey N., Steinman, Richard C., Albrecht, Paul, Bigger, J.Thomas, Rolnitzky, Linda M., Fleiss, Joseph L.

“…The standard deviation of the normal RR intervals (SDNN) computed over 24 hours predicts mortality after myocardial infarction. 1 The power spectrum of heart…”
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Oral squamous cell carcinoma: Histologic risk assessment, but not margin status, is strongly predictive of local disease-free and overall survival by BRANDWEIN-GENSLER, Margaret, TEIXEIRA, Miriam S, LEWIS, Carol Ming, LEE, Bryant, ROLNITZKY, Linda, HILLE, Johannes J, GENDEN, Eric, URKEN, Mark L, WANG, Beverly Yiyao

“…To analyze the impact of resection margin status and histologic prognosticators on local recurrence (LR) and overall survival (OS) for patients with oral…”
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Passive head-up tilt and actively standing up produce similar overall changes in autonomic balance by Bloomfield, Daniel M., Kaufman, Elizabeth S., Bigger, J.Thomas, Fleiss, Joseph, Rolnitzky, Linda, Steinman, Richard

“…The primary objective of this study was to compare, in normal subjects, the average change in autonomic balance during a 5-minute period by using two methods…”
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Comparison of time- and frequency domain-based measures of cardiac parasympathetic activity in Holter recordings after myocardial infarction by Bigger, J.Thomas, Albrecht, Paul, Steinman, Richard C., Rolnitzky, Linda M., Fleiss, Joseph L., Cohen, Richard J.

“…The standard deviation of normal RR intervals predicts mortality after acute myocardial infarction independently of left ventricular function and ventricular…”
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Effects of digoxin and enalapril on heart period variability and response to head-up tilt in normal subjects by Kaufman, Elizabeth S., Bosner, Matthew S., Bigger, J.Thomas, Stein, Phyllis K., Kleiger, Robert E., Rolnitzky, Linda M., Steinman, Richard C., Fleiss, Joseph L.

“…To test the effects of digitalis and angiotensinconverting enzyme inhibition on the RR interval variability in an electrocardiogram, 20 normal subjects were…”
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Predicting mortality after myocardial infarction from the response of RR variability to antiarrhythmic drug therapy by Bigger, J.Thomas, Rolnitzky, Linda M., Steinman, Richard C., Fleiss, Joseph L.

“…Objectives. This study was designed to test the hypothesis that antiarrhythmic drugs that decrease RR variability will predict all-cause mortality during…”
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Effect of atenolol and diltiazem on heart period variability in normal persons by Cook, James R., Thomas Bigger, J., Kleiger, Robert E., Fleiss, Joseph L., Steinman, Richard C., Rolnitzky, Linda M.

“…Several time and frequency domain measures of heart period variability are reduced 1 to 2 weeks after myocardial infarction, and a reduced standard deviation…”
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Prevalence, characteristics and significance of ventricular tachycardia detected by 24-hour continuous electrocardiographic recordings in the late hospital phase of acute myocardial infarction by Bigger, J.Thomas, Fleiss, Joseph L., Rolnitzky, Linda M.

“…A 24-hour continuous electrocardiographic recording was made 11 ± 3 days after acute myocardial infarction (AMI) in 820 of the 867 participants in the…”
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Effect of digitalis treatment on survival after acute myocardial infarction by Bigger, J.Thomas, Fleiss, Joseph L., Rolnitzky, Linda M., Merab, Jacques P., Ferrick, Kevin J.

“…To determine whether treatment with digitalis is associated with decreased survival after acute myocardial infarction (AMI), data from 504 patients who were…”
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Predicting arrhythmic events after acute myocardial infarction using the signal-averaged electrocardiogram by Steinberg, Jonathan S., Regan, Arlene, Sciacca, Robert R., Bigger, J.Thomas, Fleiss, Joseph L.

“…To determine if the signal-averaged (SA) electrocardiogram (ECG) predicts the occurrence of sustained ventricular arrhythmia and sudden death after acute…”
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