Observation of Atelectasis Using Lung Ultrasonography in Children Undergoing General Anesthesia: the Cohort Study for Evaluation of the Relationship Between the Incidence and Severity of Upper Respiratory Tract Infection and the Magnitude of Anesthesia-induced Atelectasis

NCT03355547 · clinicaltrials.gov ↗

COMPLETED

Status

261

Enrollment

OTHER

Sponsor class

Conditions

Surgery

Interventions

OTHER: questionnaire about the severity of their symptoms of upper respiratory tract infection

Sponsor

Yonsei University