Aetiology of Children With Bronchiectasis in China

Aetiology of Children With Bronchiectasis in China--A Multicenter Retrospective Study

This multicenter retrospective observation study is designed to investigate the etiology of children with bronchiectasis by review the medical records.

This study is divided into two parts. Part I. Retrospective review the 10 years medical records of the children with bronchiectasis from every center, and investigate the etiology of the cases by the standard diagnostic process. Part II. All new cases of bronchiectasis which was confirmed diagnosed at every center from the beginning of the study are made the investigation of the etiology by the standard diagnostic process.

Inclusion Criteria:A included patient must be coincident at least one point of the four items of HRCT manifestations.

• Internal bronchial diameter greater than the accompanying pulmonary artery.
• lack of bronchial tapering
• bronchi visible in the peripheral 1cm of lung
• bronchial diameter greater than adjacent segmental bronchi

Exclusion Criteria:Subject will be excluded if she or he has one of the following

• It is unable to provide complete medical records or the current condition can not accept the diagnosis process
• It does not agree to participate in the test