Cardiorespiratory Performance and Pulmonary Microbiome in Patients After Repair of Esophageal Atresia

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

Clinical Phase

NA

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-08-10

Study Completion Date

2019-09-02

Brief Summary

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The majority of the clinical research on esophageal atresia focuses on the upper gastrointestinal tract. However, the trachea and the lung are also affected in many of these children, so that a lifelong pulmonary impairment may result. The importance of respiratory function in the context of follow-up of these patients has therefore been increasingly recognized in recent years. Scientific work has shown significantly, that patients following esophageal atresia repair develop respiratory symptoms more frequently than the normal population. Mild impairment of the pulmonary function in adolescence and adulthood was demonstrated in some studies, but to date, there is no exact idea about the relationship between early childhood disease progression and later pulmonary impairment. Only a few scientific papers have dealt with the effect of impaired pulmonary function on the physical capacity of these adolescents and adults. Most of these studies show small case numbers, inconclusive stress tests, and divergent results.

The aim of this prospective study is to investigate the cardiopulmonary performance capacity and the pulmonary microbiome of adolescent and adult patients with corrected esophageal atresia and to compare the results with a control group. Another focus of the investigators is on the composition of the pulmonary microbiome of the participants. Changes of the pulmonary microbiome and the influence on the cardio-pulmonary performance capacity have not yet been investigated. Furthermore, it should be investigated whether the treatment measures and a complicated disease course in the neonatal period have long-term effects on lung function, exercise capacity and composition of the microbiome in the lungs.

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Detailed Description

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Conditions

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Esophageal Atresia

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Control group: Age and sex matched healthy volunteers.

Study Groups

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Patients after esophageal atresia

Patients older than 12 years following surgical repair of congenital esophageal atresia will be included after written informed consent. Patients will be subjected to spirometry to determine their age, weight (determined by Kilogram (kg) on a medical weight scale) and Vital Capacity before (initial Spirometry) and after (final Spirometry) exercise performance testing. Bicycle ergospirometer will be applied to determine the Maximum Oxygen Uptake and the Maximum Performance. Thereafter deep induced sputum will be harvested for measurements of the pulmonary microbiome (Pulmonary Microbiome 16S rDNA profiling).

Group Type EXPERIMENTAL