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Cardiovascular diseases (hypertension, coronary heart disease, stroke and cardiac insufficiency) are the leading cause of death worldwide. They are a major cause of concern in public health worldwide as well. Their incidence is increasing especially in emerging countries. It has been shown through epidemiological and experimental studies that these cardiovascular diseases are influenced by environmental factors which can act early during different periods of the development. Preterm birth is an emerging risk factor of cardiovascular diseases. Preterm birth rate varies accordingly to countries from 6 % to 14 % and accounts for 80% of low birth weight. These past thirty years have shown an improvement in the management and survival rate of these babies. The number of preterm infants reaching adulthood is thus increasing. Long term effects of preterm birth on cardiovascular diseases are little known.
However, emerging evidence suggest that preterm birth affects certain functions and structure. A significant increase in blood pressure and alterations on the vascular, metabolic, and renal systems have been reported in healthy young adult born preterm. And abnormal heart shape with left ventricular hypertrophy have been demonstrated in these population (Oxford)
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Cardiovascular diseases (hypertension, coronary heart disease, stroke and cardiac insufficiency) are the leading cause of death worldwide. They are a major cause of concern in public health worldwide as well. Their incidence is increasing especially in emerging countries. It has been shown through epidemiological and experimental studies that these cardiovascular diseases are influenced by environmental factors which can act early during different periods of the development. Preterm birth is an emerging risk factor of cardiovascular diseases. Preterm birth rate varies accordingly to countries from 6 % to 14 % and accounts for 80% of low birth weight. These past thirty years have shown an improvement in the management and survival rate of these babies. The number of preterm infants reaching adulthood is thus increasing. Long term effects of preterm birth on cardiovascular diseases are little known.
However, emerging evidence suggest that preterm birth affects certain functions and structure. A significant increase in blood pressure and alterations on the vascular, metabolic, and renal systems have been reported in healthy young adult born preterm. And abnormal heart shape with left ventricular hypertrophy have been demonstrated in these population (Oxford) The aims of this study are to evaluate the effects of preterm birth on heart functions and in a cohort of healthy young adults born preterm. Early alterations could be observed, before the onset of disease. This study will include 60 young adults aged from 18 to 30 years, 30 of them born preterm (Preterm group) and 30 born at term with normal birth weight (Control group). The groups will be matched for age and gender and tobacco exposition.
Young adults born preterm who will be included in the study were born and followed-up in the Neonatal Unit, APHM, in Marseille. Data from the Control adult born at term are well known and available (Marseille DOHaD Study, D.Barker (University of Southampton, England) and K.Thornburg (OHSU Portland, USA)).
This study addresses the mechanism underlying the association between cardiovascular diseases and preterm birth, and aims to identify early predictive markers in order to guide long term follow-up of these young adults. The results of this study will help to develop specific and accurate diagnostic tools and to implement preventive nutritional or pharmacological strategies.
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Inclusion Criteria:
For the subjects of the group "Préma":
For the subjects of the "Witness" group:
For all patients:
Available growth data (health records) including weights And sizes at birth, then at 4 months, 9 months, 2 years, 6 years and 12 years The investigator should ensure by consulting the "National Biomedical research "that the subject is not in a period of exclusion from Other test.
Exclusion Criteria:Medical history of:
Congenital heart disease Endocrine or chronic renal disease Acquired metabolic disease in childhood Non-idiopathic hypertension Malignant disease Obesity related to a characteristic pathology. Any physical or psychological condition that would jeopardize the participation of the subject in the research protocol.- Pregnancy in progress.
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60 participants in 2 patient groups
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Farid BOUBRED
Data sourced from clinicaltrials.gov
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