Assessment of Diastolic Function During the Transitional Period and Infancy Using Serial Echocardiography

NCT ID: NCT06200519

Last Updated: 2024-01-11

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

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

NOT_YET_RECRUITING

Total Enrollment

400 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-01-31

Study Completion Date

2026-07-31

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The goal of this single-centre longitudinal observational study is to create reference values for diastolic function parameters in neonates born at 35 weeks' gestation or above, and to assess the influence of pre-defined antenatal, intrapartum, maternal, and neonatal factors on cardiac function.

The main question it aims to answer are:

* What are the normal reference ranges for parameters of diastolic cardiac function in neonates?
* How are these influenced by maternal, intrapartum and neonatal factors?
* Do the diastolic changes noted during the first two days of life persist into infancy?

Participants will have four echocardiographic assessments in total:

* Two during the first 48 hours of life (prior to discharge home)
* Two during infancy (as an outpatient)

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Participants will have their first echo to assess diastolic function, using both conventional and novel echocardiographic measure, within the first 6 to 18 hours of life approximately (Day 1 scan) and this will be repeated at 30 to 42 hours of life (Day 2 scan). Both scans will involve a comprehensive structural assessment to confirm normal anatomy.

All participants will be invited to return for follow-up targeted echocardiography assessments to evaluate function at approximately 6 - 9 months (Scan 3) and at approximately 12 - 18 months of life (Scan 4). At each of these visits, their weight, height, any interim hospital admissions, serious illnesses or medical issues and medications will be documented using a structured checklist format.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Diastolic Dysfunction Neonatal Encephalopathy Small for Gestational Age at Delivery Transient Tachypnea of the Newborn Trisomy 21 Gestational Diabetes

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Neonates born at 35 weeks gestation and above

Stratification of population for recruitment and data analysis

1. Gestational age in weeks
2. Birth weight and centile
3. Small for gestational age (birth weight \<10th centile post-natal)
4. Large for gestational age (birth weight \>90th centile post-natal)
5. Evidence of antenatal Doppler abnormalities
6. Maternal gestational diabetes mellitus or pre-existing diabetes mellitus
7. Maternal pre-eclampsia
8. Signs of maternal chorioamnionitis
9. Mode of delivery
10. Transient Tachypnea of Newborn
11. Pregnancy conceived by assisted reproductive technologies
12. Maternal medication use
13. Suspected or confirmed Trisomy 21
14. Gestational age at birth 35-36+6 gestation group
15. Feeding type
16. Mild neonatal encephalopathy
17. Moderate and severe neonatal encephalopathy receiving therapeutic hypothermia

No interventions assigned to this group

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Birth at 35 weeks gestation or above
* Informed consent obtained

Exclusion Criteria

* Any apparent congenital anomalies
* Any known chromosomal abnormalities (except Trisomy 21)
* Any known congenital structural heart disease (except patent ductus arteriosus, atrial septal defect, patent foramen ovale or ventricular septal defect)
Minimum Eligible Age

6 Hours

Maximum Eligible Age

18 Hours

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

University College Cork

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Dr. Gene Dempsey

Horgan Chair in Neonatology, Consultant Neonatologist

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Eugene Dempsey

Role: PRINCIPAL_INVESTIGATOR

University College Cork

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Cork University Maternity Hospital

Cork, , Ireland

Site Status

Countries

Review the countries where the study has at least one active or historical site.

Ireland

Central Contacts

Reach out to these primary contacts for questions about participation or study logistics.

Eugene Dempsey

Role: CONTACT

+353214920525

Facility Contacts

Find local site contact details for specific facilities participating in the trial.

Gene Dempsey

Role: primary

References

Explore related publications, articles, or registry entries linked to this study.

Breatnach CR, Levy PT, James AT, Franklin O, El-Khuffash A. Novel Echocardiography Methods in the Functional Assessment of the Newborn Heart. Neonatology. 2016;110(4):248-260. doi: 10.1159/000445779. Epub 2016 Jun 10.

Reference Type BACKGROUND
PMID: 27287615 (View on PubMed)

Kozak-Barany A, Jokinen E, Rantonen T, Saraste M, Tuominen J, Jalonen J, Valimaki I. Efficiency of left ventricular diastolic function increases in healthy full-term infants during the first months of life. A prospective follow-up study. Early Hum Dev. 2000 Jan;57(1):49-59. doi: 10.1016/s0378-3782(99)00057-2.

Reference Type BACKGROUND
PMID: 10690711 (View on PubMed)

Khot N, Joshi S, Malwade S, Chavan S, Mane SV, Agarkhedkar S, Arora A. A Comprehensive Echocardiographic Assessment of Neonatal Right Ventricular Function in Neonatal Intensive Care Unit Babies. Cureus. 2023 Apr 5;15(4):e37166. doi: 10.7759/cureus.37166. eCollection 2023 Apr.

Reference Type BACKGROUND
PMID: 37153277 (View on PubMed)

Tao K, Hara Y, Ishihara Y, Ohshima Y. Cesarean section predominantly affects right ventricular diastolic function during the early transitional period. Pediatr Neonatol. 2019 Oct;60(5):523-529. doi: 10.1016/j.pedneo.2019.01.004. Epub 2019 Jan 19.

Reference Type BACKGROUND
PMID: 30713044 (View on PubMed)

Verma A, Suryawanshi P, Chetan C, Oka G, Singh Y, Kallimath A, Singh P, Garegrat R. A detailed echocardiographic evaluation of ventricular functions in stable full term small for gestational age babies. J Ultrasound. 2023 Mar;26(1):117-127. doi: 10.1007/s40477-022-00691-2. Epub 2022 May 26.

Reference Type BACKGROUND
PMID: 35616853 (View on PubMed)

Sirc J, Dempsey EM, Miletin J. Diastolic ventricular function improves during the first 48-hours-of-life in infants weighting <1250 g. Acta Paediatr. 2015 Jan;104(1):e1-6. doi: 10.1111/apa.12788. Epub 2014 Oct 2.

Reference Type BACKGROUND
PMID: 25163391 (View on PubMed)

Vrancken SL, van Heijst AF, de Boode WP. Neonatal Hemodynamics: From Developmental Physiology to Comprehensive Monitoring. Front Pediatr. 2018 Apr 5;6:87. doi: 10.3389/fped.2018.00087. eCollection 2018.

Reference Type BACKGROUND
PMID: 29675404 (View on PubMed)

Stapleton I, Bussmann N, Finn D, Livingstone V, Dempsey E. Assessment of Diastolic Function during the transitional period and infancy using Serial Echocardiography in a tertiary neonatal unit (DiFuSE): a longitudinal prospective observational study protocol. BMJ Open. 2025 Aug 19;15(8):e095984. doi: 10.1136/bmjopen-2024-095984.

Reference Type DERIVED
PMID: 40829821 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

DiFuSE

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.