the Value of Flexible Bronchoscopy in the Neonatal Intensive Care Unit at Sohag University Hospitals

Inclusion Criteria: * neonates aged from 1 day to 28 days with recurrent dyspnea, stridor, recurrent chocking or suspicious respiratory tract anomaly; with recurrent pulmonary infection or atelectasis in the same lung lobe; with suspicious tracheal stenosis in radiological image \[X-ray or computed tomography (CT) scan\]; inability to be extubated without clear reason; or confirmed congenital esophageal atresia to clarify the presence and position of esophagobronchial fistula before surgery. Exclusion Criteria: neonates with neurological , cardiac problem ,age above 28 days \-