Study on the Geometric Parameters and Hemodynamic Reference Range of Neonatal Heart.

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

400 participants

Study Classification

OBSERVATIONAL

Study Start Date

2020-02-05

Study Completion Date

2021-03-31

Brief Summary

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Perform bedside echocardiography on neonates (term and preterm infants) who were admitted to our neonatal department within 24 hours of birth, and establish a geometric reference range of neonatal cardiac ultrasound and explore the hemodynamic changes of early newborns.

Bedside echocardiography were performed to measure the diameter of each heart cavity and large vessels, velocity of each valve and aorta, wall thickness, left ventricular systolic function, right heart Tei index, Tricuspid Annular Plane Systolic Excursion(TPASE) of term and preterm infants respectively on 0 day, 3d, 7d of life and postmenstrual age of 30 weeks, 32 weeks, 34 weeks and 36 weeks.

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Detailed Description

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Conditions

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Echocardiography of Newborns

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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postnatal age

No interventions assigned to this group

General information and echocardiographic data

General information:(1)Record the gestational age, birth weight, length, delivery way, Apgar score, maternal pregnancy status, prenatal bleeding or not after admission.(2)PS use, ventilator mode, other illness and complications should be recorded during hospitalization. (3) Record the baby's heart rate, respiratory rate, blood pressure, body surface area on every check.

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* 1\. Infants with normal hearts (infants with small patent fora-men oval or small patent ductus arteriosus were not excluded).

2.Healthy preterm infant with no evidence of sepsis, renal failure. 3. Absence of other major congenital anomalies or syndromes 4. Prior written consent was obtained from the parents.