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Bronchopulmonary dysplasia: new high resolution computed tomography scoring system and correlation between the high resolution computed tomography score and clinical severity

机译:支气管肺不典型增生:新的高分辨率计算机断层扫描评分系统以及高分辨率计算机断层扫描评分与临床严重性之间的相关性

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摘要

OBJECTIVE: To develop an high resolution computed tomography (HRCT) scoring system for the assessment of bronchopulmonary dysplasia (BPD) and determine its usefulness as compared with the chest radiographic score. MATERIALS AND METHODS: Forty-two very low-birth-weight preterm infants with BPD (25 male, 17 female) were prospectively evaluated with HRCT performed at the mean age of 39.1-week postmenstrual age. Clinical severity of BPD was categorized as mild, moderate or severe. The HRCT score (0-36) of each patient was the sum of the number of bronchopulmonary segments with 1) hyperaeration and 2) parenchymal lesions (linear lesions, segmental atelectasis, consolidation and architectural distortion), respectively. We compared the HRCT scores with the chest radiographic scores (the Toce system) in terms of correlation with clinical severity. RESULTS: The HRCT score had good interobserver (r = 0.969, p 0.001) and intraobserver (r = 0.986, p 0.001) reproducibility. The HRCT score showed better correlation (r = 0.646, p 0.001) with the clinical severity of BPD than the chest radiographic score (r = 0.410, p = 0.007). The hyperaeration score showed better correlation (r = 0.738, p 0.001) with the clinical severity of BPD than the parenchymal score (r = 0.523, p 0.001). CONCLUSION: We have developed a new HRCT scoring system for BPD based on the quantitative evaluation of pulmonary abnormalities of BPD consisting of the hyperaeration score and the parenchymal score. The HRCT score shows better correlation with the clinical severity of BPD than the radiographic score.
机译:目的:开发一种高分辨率计算机断层扫描(HRCT)评分系统,以评估支气管肺发育不良(BPD),并确定其与胸部X线评分的比较。材料与方法:对42名BPD极低出生体重早产儿(男25例,女17例)进行了前瞻性评估,采用HRCT对平均月经后39.1周进行了评估。 BPD的临床严重程度分为轻度,中度或重度。每位患者的HRCT分数(0-36)是分别有1)充气和2)实质性病变(线性病变,节段性肺不张,巩固和建筑畸变)的支气管肺段数目之和。我们将HRCT评分与胸部X线评分(Toce系统)在与临床严重程度的相关性方面进行了比较。结果:HRCT评分具有良好的重复观察者间(r = 0.969,p <0.001)和观察者内(r = 0.986,p <0.001)。 HRCT评分与BPD临床严重程度的相关性更好(r = 0.646,p <0.001),而胸部X线评分(r = 0.410,p = 0.007)更好。与实质性评分(r = 0.523,p <0.001)相比,通气分数与BPD的临床严重程度显示出更好的相关性(r = 0.738,p <0.001)。结论:我们在定量评估BPD的肺部异常(包括通气分数和实质分数)的基础上,开发了一种新的BPD HRCT评分系统。 HRCT评分与BPD的临床严重程度相比,表现出更好的相关性。

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