Detection of Neonatal Bradycardia

NCT ID: NCT00950287

Last Updated: 2013-03-08

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

COMPLETED

Total Enrollment

54 participants

Study Classification

OBSERVATIONAL

Study Start Date

2009-09-30

Study Completion Date

2013-03-31

Brief Summary

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Apnea-bradycardia is a frequent phenomenon in preterm infants which has been associated with short term complications and alterations in neurodevelopment. Duration and amplitude of the bradycardias depend on the time delay between the beginning of the bradycardia and the intervention of the nurse.

The purpose of the study is to test a new method set for early detection of bradycardia in preterm infants.

Detailed Description

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Apnea-bradycardia is a frequent phenomenon in preterm infants which has been associated with short term complications and alterations in neurodevelopment. Duration and amplitude of the bradycardias depend on the time delay between the beginning of the bradycardia and the intervention of the nurse.

The purpose of the study is to test in clinical units and in real life a new method set for early detection of bradycardia in preterm infants.

Each preterm infant cardio-respiratory traces will be recorded during two 4-hours periods of time (the first one at the time of occurrence of apnea-bradycardias and the second one during the following week). During those periods, the alarms of the monitors usually used in the units will also be recorded through automatic detection and these alarms will be compared with the alarms generated by the algorithm tested, for false positive and precocity of the detection. A false positive alarm is a detection which is not associated with a bradycardia of less than 80 bpm. The system will be considered efficient if it allows an earlier detection of severe bradycardias without increasing the number of false positive detection.

Conditions

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Apnea Bradycardia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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cohort

One group of preterm infants

No intervention

Intervention Type DEVICE

The recordings will be performed in neonatal units with the preterm infant remaining in usual condition with limitations of external stimulation during the study period. The usual monitor will remain in function. The intervention of the nurses in case of apnea will not be modified during the study period. The recording will be obtained from derivation of the signal usually recorded by the monitor in use completed in one centre by a polysomnographic recording (Medtronics France SA), in order to test a possible influence of the sleep status on the detection.

Interventions

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No intervention

The recordings will be performed in neonatal units with the preterm infant remaining in usual condition with limitations of external stimulation during the study period. The usual monitor will remain in function. The intervention of the nurses in case of apnea will not be modified during the study period. The recording will be obtained from derivation of the signal usually recorded by the monitor in use completed in one centre by a polysomnographic recording (Medtronics France SA), in order to test a possible influence of the sleep status on the detection.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Parents informed consent
* Presenting with at least 2 significant apnea bradycardia (apnea + decrease in heart rate of more than 33% during at least 4 sec)

Exclusion Criteria

* Postnatal age of less than 4 days
* Mechanical ventilation
* Severe neurological lesion
Minimum Eligible Age

4 Days

Maximum Eligible Age

33 Weeks

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Ministry of Health, France

OTHER_GOV

Sponsor Role collaborator

Rennes University Hospital

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Patrick Pladys, MD, PhD

Role: STUDY_DIRECTOR

Rennes University Hospital

Locations

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Nantes University Hospital

Nantes, , France

Site Status

Rennes University Hospital

Rennes, , France

Site Status

Tours University Hospital

Tours, , France

Site Status

Countries

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France

Other Identifiers

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PHRC / 08-05

Identifier Type: OTHER

Identifier Source: secondary_id

2008-A00898-47

Identifier Type: -

Identifier Source: org_study_id

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