CASE REPORT
A 1-year and 3month old male child was hospitalized for cough and wheezing for half a month. Physical examination on admission: vital signs were stable, coarse and wet rales and a little wheezing could be heard in both lungs; physical examination of other systems was negative.
Past history: The children were hospitalized for ”pneumonia” at the age of 20 days, 4 months, and 1 year. At 4 months of age, echocardiography revealed patent ductus arteriosus with a 2mm wide left to right shunt and a large horizontal left to right shunt. At 11 months old, he underwent percutaneous patent ductus arteriosus occlusion under general anesthesia, AGA ADO II 3/4mm mushroom umbrella was used to seal the defect. No abnormal birth history, growth history and family history were found.
Blood routine, C reactive protein (CRP) and blood biochemistry showed no abnormality. In sputum culture, a small amount of Streptococcus virifolia was found. Mycoplasma pneumoniae antibody IgM (-). Electrocardiogram was normal.
Cefoperazone and sulbactam were used for anti-infection treatment for 2 days, There was no significant improvement in symptoms.
Therefore, Further examination of the heart color ultrasound showed no shunt was seen in the ductus arteriosus after surgery (Figure .1).