Abstract
Objectives
Reference ranges of left ventricular (LV) parameters from cardiac magnetic resonance (CMR) were established to investigate the impact of ageing and hypertension as important determinants of cardiac structure and function.
Methods
One thousand five hundred twenty-five contrast-enhanced CMRs were conducted in the Study of Health in Pomerania. LV end-diastolic volume (LVEDV), end-systolic volume (LVESV), stroke volume (LVSV), ejection fraction (LVEF), and myocardial mass (LVMM) were determined using long- and short-axis steady-state free-precession sequences. The reference population was defined as participants without late enhancement, hypertension, and prior cardiovascular diseases. Reference ranges were established by quantile regression (5th and 95th percentile) and compared with an additional sample of treated and untreated hypertensives.
Results
LV volumes in the reference population (n = 634, 300 males, 334 females, 52.1 ± 13.3 years) aged between 20-69 years were lower with higher age (p = 0.001), whereas LVEFs were higher (p ≤ 0.020). LVMM was lower only in males (p = 0.002). Compared with the reference population, hypertension was associated with lower LVEDV in males (n = 258, p ≤ 0.032). Antihypertensive therapy was associated with higher LVEF in males (n = 258, +2.5%, p = 0.002) and females (n = 180, +2.1%, p = 0.001).
Conclusions
Population-based LV reference ranges were derived from contrast-enhanced CMR. Hypertension-related changes were identified by comparing these values with those of hypertensives, and they might be used to monitor cardiac function in these patients.
Key Points
• Left ventricular function changed slightly but significantly between 20-69 years.
• Reference values of BSA-indexed myocardial mass decreased with age in males.
• Hypertension was associated with lower LV end-diastolic volume only in males.
• CMR may allow assessing remodelling related to hypertension or antihypertensive treatment.
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Change history
19 April 2018
The original version of this article, published on 14 March 2018, unfortunately contained a mistake.
Abbreviations
- ATC:
-
Anatomical therapeutic chemical
- BSA :
-
Body surface area
- CI:
-
Confidence interval
- CMR:
-
Cardiac magnetic resonance
- ECG:
-
Electrocardiogram
- LGE:
-
Late gadolinium enhancement
- LV:
-
Left ventricular
- LVEDV:
-
Left ventricular end-diastolic volume
- LVEF:
-
Left ventricular ejection fraction
- LVESV:
-
Left ventricular end-systolic volume
- LVMM:
-
Left ventricular myocardial mass
- LVSV:
-
Left ventricular stroke volume
- MR:
-
Magnetic resonance
- SD:
-
Standard deviation
- SHIP:
-
Study of Health in Pomerania
- SSFP:
-
Steady-state free precession
- TE:
-
Echo time
- TR:
-
Repetition time
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Funding
This study has received funding from the following institutions: Federal Ministry of Education and Research, the Ministry of Cultural Affairs as well as the Social Ministry of the Federal State of Mecklenburg-West Pomerania. Magnetic resonance imaging examinations were supported by Siemens Healthineers, Siemens Healthcare GmbH (Erlangen, Germany).
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Guarantor
The scientific guarantor of this publication is Robin Bülow, MD (buelowr@uni-greifswald.de).
Conflict of interest
The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
Statistics and biometry
One of the authors, Till Ittermann, has significant statistical expertise.
Informed consent
The local ethics committee approved the study, and written informed consent was obtained from all participating volunteers before contrast-enhanced cardiac magnetic resonance imaging.
Ethical approval
Institutional Review Board approval was obtained.
Study subjects or cohorts overlap
The cardiac magnetic resonance imaging sub-study was part of the population-based Study of Health in Pomerania (SHIP), a project conducted in northeast Germany. To date nothing has been previously published about the cardiac magnetic resonance imaging data in SHIP although the study population is a sample of the whole-body MR imaging project, which has produced numerous scientific publications.
Methodology
• retrospective
• cross-sectional study/observational
• performed at one institution
Additional information
The original version of this article was revised: The sequence of the author names was incorrect, Robin Bülow was mentioned twice.
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Bülow, R., Ittermann, T., Dörr, M. et al. Reference ranges of left ventricular structure and function assessed by contrast-enhanced cardiac MR and changes related to ageing and hypertension in a population-based study. Eur Radiol 28, 3996–4005 (2018). https://doi.org/10.1007/s00330-018-5345-y
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DOI: https://doi.org/10.1007/s00330-018-5345-y