The Value Of X-ray Diagnosis In Children With Airway Foreign Body

Objective For tracheal bronchus foreign body X-ray imaging features of statisticalanalysis, to discuss the diagnostic value of the chest X-ray, mammography and Multi-slicespiral CT(MSCT)different methods for tracheal bronchus foreign body.Methods The clinical data, imaging features of chest X-ray, mammography andMSCT examination.of tracheobronchial foreign body from May4,2007to August23,2013in Soochow University Affiliated Children’s Hospital of the respiratory and ear areretrospectively analyzed.Results Participants including759cases of children,in addition to four cases whichcoughed up by themselves before surgery, the remainder755cases were under generalanesthesia rigid bronchoscope foreign body surgery. The505cases are male and254arefemale. The ratio of male to female is about1.99:1. The youngest is4months old, whilethe oldest is11years old. The617cases are children of1to3yearsold(81.29%).Mammography, there are preoperative total94cases, prompting84cases areforeign bodies.The positive rate is89.36%(84/94). The main performance is mediastinalswing..Chest X-ray, there are preoperative radiograph81cases, suggesting that foreignbodies in35cases.The positive rate is43.21%(35/81). Chest X film signs as follows:35cases of emphysema, atelectasis four cases, pulmonary consolidation1cases,35cases oflung inflammation. MSCT, there are738cases, prompting707cases are foreign bodies.The positive rate is95.80%(707/738).The main signs of emphysema419cases,364casesof bronchial obstruction limitations, mediastinal shift in255cases,29cases of mediastinalbilateral shadow,10cases of mediastinal emphysema, subcutaneous emphysema fivecases.The classification statistics on MSCT for738cases of tracheobronchial foreignbodies.Different course prompting among lung infection (with pneumonia),the onset rateof pneumonia from0to5days is3.93%, which is minimum comparing to incidence ofother time periods. While the0to5days of onset time are divied into four time periods (line0to0.5days,0to1day,0to2days,0to5days),the statistics are analyzed again.The rates of MSCT signs of emphysema in four time periods are32.62%,50.00%,63.64%and64.23%,showing an increasing trend and the rates of Co-infection (pneumonia) are5.67%,11.61%,33.33%and45.99%,also showing an increasing trend. Left and rightbronchial foreign body, MSCT is mainly localized obstruction (52.76%,48.59%),emphysema (59.84%,57.68%), control of mediastinal shift (39.90%,39.90%), andmediastinal emphysema (0.79%,2.19%), subcutaneous emphysema (0,1.57%) and verticalbilateral diaphragmatic shadow (3.67%,4.39%). Main limitations airway obstruction(18.91%), emphysema (16.21%), mediastinal shift (5.41%), mediastinal emphysema (0),subcutaneous emphysema (0) and vertical bilateral diaphragmatic shadow (2.70%) werelower than the left and right bronchus corresponding signs. No significant differences inages are shown from MSCT signs which prompt the limitations of obstruction, emphysema,mediastinal shift, mediastinal emphysema, subcutaneous emphysema and bilateralmediastinal shadow.Conclusion The method of the highest rate of diagnosis of tracheobronchial foreignbodies is MSCT among imaging diagnosis, rdiographic signs of the main limitations ofemphysema, with the increase of growth duration of lung merge infection, the beansforeign body appear mediastinal emphysema and subcutaneous emphysema severeperformance.