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- Ensayo clínico NCT03758092
Cardiovascular Screening in Infants Born Small for Gestational Age (CardioSGA)
Cardiovascular Screening in 2-year Old Infants Born Small for Gestational Age Compared With Infants Born Adequate for Gestational Age
Descripción general del estudio
Estado
Descripción detallada
We consecutively enrolled 20 SGA infants, born at term (37+0/41+3 week gestation), aged 24 months, and 20 AGA, age- and sex-matched controls. SGA was defined as a birth weight <10th percentile for sex, gestational age and birth order, and AGA as a birth weight between the 10th and the 90th percentile, according to Italian neonatal anthropometric charts.
Clinical and anthropometric variables The infants' prenatal and neonatal data were retrospectively recorded, namely a history of gestational diabetes and hypertension, the presence of intrauterine growth restriction, maternal weight gain during pregnancy, Apgar score, gestational age and birth weight, length, and head circumference. All subjects' parents completed a questionnaire including family history, maternal smoking during pregnancy, breastfeeding duration. At the time of enrollment (24 months), anthropometric data were evaluated by trained physicians according to standard procedures and based on the WHO growth charts. Height, weight, systolic (SBP) and diastolic (DBP) blood pressure were measured. Body mass index (BMI) was calculated as weight (kg)/height(cm)2 and weight gain in the first 2 years of life was calculated as the delta between birth weight and weight at 24 months.
Echocardiographic assessment Transthoracic echocardiogram using a Vivid 7 Pro ultrasound scanner (General Electric Healthcare, USA) was performed by an expert pediatric cardiologist, blinded to patients' clinical data. Measurements of left ventricle (LV end-diastolic diameter, LVEDD; LV end-systolic diameter, LVESD; interventricular septum at end diastole, IVSD; LV posterior wall at end diastole, LVPWD), relative wall thickness (RWT), left atrium diameter (LAD), the maximum LA volume, LV ejection fraction, and tricuspid annular plane systolic excursion (TAPSE) were obtained according to established standards. LV mass (LVM) was derived from the Devereux formula and indexed to body surface area (left ventricular mass index, LVMI). Left ventricular output (LVO) was obtained with the velocity time integral (VTI) from a 5-chamber view and calculated as follows LVO=[(VTI)x(heart rate)x(cross-sectional area)] and indexed to body weight.
Using pulsed wave Doppler, mitral inflow velocities, peak early diastolic velocity (E), peak late diastolic velocity (A), and E/A ratio, were measured. Pulsed wave tissue Doppler of the lateral mitral annulus was used for the measurement of early peak diastolic mitral annular velocity (E'). The E/E' ratio was calculated. End-diastolic pressure (EDP) was calculated from the E/E' ratio with the formula EDP=1.91+1.24xE/E' (14) and the pressure-volume curve during diastole with the formula EDP = αxEDVβ (end-diastolic volume, EDV). Volume parameters were corrected to fixed values of EDP (V30 mmHg). The coefficient "β" (Beta), indicating the slope of the end-diastolic pressure-volume relationship (EDPVR), was calculated with the formula β=[Log10(EDP/30)]/[Log10(EDV/V30mmHg)].
Vascular assessment Vascular measurements were performed with a high-resolution ultrasonography (Esaote MyLab25TM Gold, Esaote, Italy) using a 8 mHz linear transducer and a 5 mHz convex transducer for the abdominal aorta, by an expert vascular surgeon blinded to patients' clinical status. CIMT, abdominal aortic diameter at maximum systolic expansion (Ds) and minimum diastolic expansion (Dd), brachial artery diameters, brachial artery peak systolic velocity (PSV) and end diastolic velocity (EDV) were measured as previously described and aortic strain (S), pressure strain elastic modulus (Ep), pressure strain normalized by diastolic pressure (Ep*) and brachial artery flow-mediated dilation (FMD) were calculated. While S is the mean strain of the aortic wall, Ep and Ep* are the mean stiffness (16). Arterial wall stiffness index (β index) was calculated with the formula: β index=ln(SBP/DBP)/[(Ds-Dd) /Dd)] (17) and systemic vascular resistance (dynes/s/cm2) with the formula: SVR=(mean BP- right atrial pressure)/LVO, with an estimated right atrial pressure of 5 mmHg. The brachial artery maximum diameter recorded following reactive hyperemia was reported as a percentage change of resting diameter (FMD = peak diameter - baseline diameter/baseline diameter).
Tipo de estudio
Inscripción (Actual)
Contactos y Ubicaciones
Ubicaciones de estudio
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Novara, Italia, 28100
- AOU Maggiore della Carità - Clinica Pediatrica - Ambulatorio di Auxologia ed Endocrinologia Pediatrica
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Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
Acepta Voluntarios Saludables
Géneros elegibles para el estudio
Método de muestreo
Población de estudio
Descripción
Inclusion Criteria:
- infants, 24-month old, born at term SGA or AGA
Exclusion Criteria:
- heart, respiratory, liver and kidney diseases, congenital malformations, genetic diseases, neonatal asphyxia, parenteral nutrition, congenital inborn errors of metabolism, and preterm and twin birth.
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
Cohortes e Intervenciones
Grupo / Cohorte |
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SGA vs AGA infants
infants, born at term (37+0/41+3 week gestation), aged 24 months, with a birth weight <10th percentile or between 10th and 90th percentile for sex, gestational age, and birth order, according to Italian neonatal anthropometric charts
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¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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Cardiovascular structure
Periodo de tiempo: 24 months
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Heart structure
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24 months
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Cardiovascular function
Periodo de tiempo: 24 months
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Heart function
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24 months
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Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
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catch-up growth
Periodo de tiempo: 24 months
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delta between body weight at 24 months and birth weight
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24 months
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breastfeeding duration
Periodo de tiempo: 24 months
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breastfeeding duration
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24 months
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Colaboradores e Investigadores
Publicaciones y enlaces útiles
Publicaciones Generales
- Barker DJ, Osmond C, Golding J, Kuh D, Wadsworth ME. Growth in utero, blood pressure in childhood and adult life, and mortality from cardiovascular disease. BMJ. 1989 Mar 4;298(6673):564-7. doi: 10.1136/bmj.298.6673.564.
- Ong KK, Ahmed ML, Emmett PM, Preece MA, Dunger DB. Association between postnatal catch-up growth and obesity in childhood: prospective cohort study. BMJ. 2000 Apr 8;320(7240):967-71. doi: 10.1136/bmj.320.7240.967. Erratum In: BMJ 2000 May 6;320(7244):1244.
- Faienza MF, Brunetti G, Delvecchio M, Zito A, De Palma F, Cortese F, Nitti A, Massari E, Gesualdo M, Ricci G, Carbonara S, Giordano P, Cavallo L, Scicchitano P, Ciccone MM. Vascular Function and Myocardial Performance Indices in Children Born Small for Gestational Age. Circ J. 2016;80(4):958-63. doi: 10.1253/circj.CJ-15-1038. Epub 2016 Feb 10.
- Iruretagoyena JI, Gonzalez-Tendero A, Garcia-Canadilla P, Amat-Roldan I, Torre I, Nadal A, Crispi F, Gratacos E. Cardiac dysfunction is associated with altered sarcomere ultrastructure in intrauterine growth restriction. Am J Obstet Gynecol. 2014 Jun;210(6):550.e1-7. doi: 10.1016/j.ajog.2014.01.023. Epub 2014 Jan 16.
- Crispi F, Bijnens B, Figueras F, Bartrons J, Eixarch E, Le Noble F, Ahmed A, Gratacos E. Fetal growth restriction results in remodeled and less efficient hearts in children. Circulation. 2010 Jun 8;121(22):2427-36. doi: 10.1161/CIRCULATIONAHA.110.937995. Epub 2010 May 24.
- Dratva J, Breton CV, Hodis HN, Mack WJ, Salam MT, Zemp E, Gilliland F, Kuenzli N, Avol E. Birth weight and carotid artery intima-media thickness. J Pediatr. 2013 May;162(5):906-11.e1-2. doi: 10.1016/j.jpeds.2012.10.060. Epub 2012 Dec 20.
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio (Actual)
Finalización primaria (Actual)
Finalización del estudio (Actual)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Actual)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Términos MeSH relevantes adicionales
Otros números de identificación del estudio
- CE 106/18
Plan de datos de participantes individuales (IPD)
¿Planea compartir datos de participantes individuales (IPD)?
Información sobre medicamentos y dispositivos, documentos del estudio
Estudia un producto farmacéutico regulado por la FDA de EE. UU.
Estudia un producto de dispositivo regulado por la FDA de EE. UU.
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