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Late systolic central hypertension as a predictor of incident heart failure : the Multi-Ethnic Study of Atherosclerosis

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Abstract
Background: Experimental studies demonstrate that high aortic pressure in late systole relative to early systole causes greater myocardial remodeling and dysfunction, for any given absolute peak systolic pressure. Methods and Results: We tested the hypothesis that late systolic hypertension, defined as the ratio of late (last one third of systole) to early (first two thirds of systole) pressure-time integrals (PTI) of the aortic pressure waveform, independently predicts incident heart failure (HF) in the general population. Aortic pressure waveforms were derived from a generalized transfer function applied to the radial pressure waveform recorded noninvasively from 6124 adults. The late/early systolic PTI ratio (L/ESPTI) was assessed as a predictor of incident HF during median 8.5 years of follow-up. The L/ESPTI was predictive of incident HF (hazard ratio per 1% increase= 1.22; 95% CI= 1.15 to 1.29; P<0.0001) even after adjustment for established risk factors for HF (HR=1.23; 95% CI= 1.14 to 1.32: P<0.0001). In a multivariate model that included brachial systolic and diastolic blood pressure and other standard risk factors of HF, L/E-SPTI was the modifiable factor associated with the greatest improvements in model performance. A high L/E-SPTI (>58.38%) was more predictive of HF than the presence of hypertension. After adjustment for each other and various predictors of HF, the HR associated with hypertension was 1.39 (95% CI= 0.86 to 2.23; P=0.18), whereas the HR associated with a high L/E was 2.31 (95% CI=1.52 to 3.49; P<0.0001). Conclusions: Independently of the absolute level of peak pressure, late systolic hypertension is strongly associated with incident HF in the general population.
Keywords
heart failure, arterial hemodynamics, late systolic load, left ventricular afterload, LEFT-VENTRICULAR RELAXATION, VARYING MYOCARDIAL STRESS, WAVE REFLECTION MAGNITUDE, QUALITY-OF-LIFE, LOADING SEQUENCE, CARDIOVASCULAR EVENTS, ARTERIAL LOAD, PRESSURE FALL, WALL STRESS, RECLASSIFICATION

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MLA
Chirinos Medina, Julio, et al. “Late Systolic Central Hypertension as a Predictor of Incident Heart Failure : The Multi-Ethnic Study of Atherosclerosis.” JOURNAL OF THE AMERICAN HEART ASSOCIATION, vol. 4, no. 3, 2015, doi:10.1161/JAHA.114.001335.
APA
Chirinos Medina, J., Segers, P., Duprez, D. A., Brumback, L., Bluemke, D. A., Zamani, P., … Jacobs, D. R. (2015). Late systolic central hypertension as a predictor of incident heart failure : the Multi-Ethnic Study of Atherosclerosis. JOURNAL OF THE AMERICAN HEART ASSOCIATION, 4(3). https://doi.org/10.1161/JAHA.114.001335
Chicago author-date
Chirinos Medina, Julio, Patrick Segers, Daniel A Duprez, Lyndia Brumback, David A Bluemke, Payman Zamani, Richard Kronmal, et al. 2015. “Late Systolic Central Hypertension as a Predictor of Incident Heart Failure : The Multi-Ethnic Study of Atherosclerosis.” JOURNAL OF THE AMERICAN HEART ASSOCIATION 4 (3). https://doi.org/10.1161/JAHA.114.001335.
Chicago author-date (all authors)
Chirinos Medina, Julio, Patrick Segers, Daniel A Duprez, Lyndia Brumback, David A Bluemke, Payman Zamani, Richard Kronmal, Dhananjay Vaidya, Pamela Ouyang, Raymond R Townsend, and David R Jacobs. 2015. “Late Systolic Central Hypertension as a Predictor of Incident Heart Failure : The Multi-Ethnic Study of Atherosclerosis.” JOURNAL OF THE AMERICAN HEART ASSOCIATION 4 (3). doi:10.1161/JAHA.114.001335.
Vancouver
1.
Chirinos Medina J, Segers P, Duprez DA, Brumback L, Bluemke DA, Zamani P, et al. Late systolic central hypertension as a predictor of incident heart failure : the Multi-Ethnic Study of Atherosclerosis. JOURNAL OF THE AMERICAN HEART ASSOCIATION. 2015;4(3).
IEEE
[1]
J. Chirinos Medina et al., “Late systolic central hypertension as a predictor of incident heart failure : the Multi-Ethnic Study of Atherosclerosis,” JOURNAL OF THE AMERICAN HEART ASSOCIATION, vol. 4, no. 3, 2015.
@article{7006710,
  abstract     = {{Background: Experimental studies demonstrate that high aortic pressure in late systole relative to early systole causes greater myocardial remodeling and dysfunction, for any given absolute peak systolic pressure. 
Methods and Results: We tested the hypothesis that late systolic hypertension, defined as the ratio of late (last one third of systole) to early (first two thirds of systole) pressure-time integrals (PTI) of the aortic pressure waveform, independently predicts incident heart failure (HF) in the general population. Aortic pressure waveforms were derived from a generalized transfer function applied to the radial pressure waveform recorded noninvasively from 6124 adults. The late/early systolic PTI ratio (L/ESPTI) was assessed as a predictor of incident HF during median 8.5 years of follow-up. The L/ESPTI was predictive of incident HF (hazard ratio per 1% increase= 1.22; 95% CI= 1.15 to 1.29; P<0.0001) even after adjustment for established risk factors for HF (HR=1.23; 95% CI= 1.14 to 1.32: P<0.0001). In a multivariate model that included brachial systolic and diastolic blood pressure and other standard risk factors of HF, L/E-SPTI was the modifiable factor associated with the greatest improvements in model performance. A high L/E-SPTI (>58.38%) was more predictive of HF than the presence of hypertension. After adjustment for each other and various predictors of HF, the HR associated with hypertension was 1.39 (95% CI= 0.86 to 2.23; P=0.18), whereas the HR associated with a high L/E was 2.31 (95% CI=1.52 to 3.49; P<0.0001). 
Conclusions: Independently of the absolute level of peak pressure, late systolic hypertension is strongly associated with incident HF in the general population.}},
  articleno    = {{e001335}},
  author       = {{Chirinos Medina, Julio and Segers, Patrick and Duprez, Daniel A and Brumback, Lyndia and Bluemke, David A and Zamani, Payman and Kronmal, Richard and Vaidya, Dhananjay and Ouyang, Pamela and Townsend, Raymond R and Jacobs, David R}},
  issn         = {{2047-9980}},
  journal      = {{JOURNAL OF THE AMERICAN HEART ASSOCIATION}},
  keywords     = {{heart failure,arterial hemodynamics,late systolic load,left ventricular afterload,LEFT-VENTRICULAR RELAXATION,VARYING MYOCARDIAL STRESS,WAVE REFLECTION MAGNITUDE,QUALITY-OF-LIFE,LOADING SEQUENCE,CARDIOVASCULAR EVENTS,ARTERIAL LOAD,PRESSURE FALL,WALL STRESS,RECLASSIFICATION}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{8}},
  title        = {{Late systolic central hypertension as a predictor of incident heart failure : the Multi-Ethnic Study of Atherosclerosis}},
  url          = {{http://doi.org/10.1161/JAHA.114.001335}},
  volume       = {{4}},
  year         = {{2015}},
}

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