The effects of mild prematurity on asthma-like symptoms, Lung Clearance Index and exercise performance at the age of 12.

The effects of mild prematurity on asthma-like symptoms, Lung Clearance Index and exercise performance at the age of 12. - Lung function in late preterm infants

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON41101

Enrollment

Registered

2014-08-18

Start date

2014-12-22

Completion date

Unknown

Last updated

2024-04-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

prematurity preterm birth

Interventions

None listed

Eligibility

Age

12 Years to 17 Years

Inclusion criteria

Inclusion criteria: Research group - Born between 32 and 35 +6 weeks of gestation - From one of the three northern provinces (Drenthe, Groningen and Friesland) Control group - Born after 38 weeks gestation - From one of the three northern provinces (Drenthe, Groningen and Friesland)

Exclusion criteria

Exclusion criteria: Research group - Duration of pregnancy not precisely determined by ultrasound during pregnancy - Physical inability to carry out ergometrie test - Birth Defects - Illness or fever at the time of measurement Control group: - Duration of pregnancy is not exactly determined by ultrasound - Physical inability to carry out ergometrie test - Birth Defects - Use of bronchodilators - Illness or fever at the time of measurement

Design outcomes

Primary

Measure	Time frame
Spirometry FVC, FEV1, FEV1/FVC, FEF25, FEF50, FEF75, PEF Ergometire Heart rate, respiratory rate, maximum load, VO2rust, maximum respiratory rate, VT, VTmax, VEmax, ventilatory reserve, VO2 at the anaerobic threshold (AD), VO2max, AD, AD/VO2, VO2/WR, respiratory exchange ratio, Borg score LCI LCI	—

Secondary

Measure	Time frame
respiratory symptoms due to questionnaire	—

Countries

Netherlands

Outcome results