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澳大利亚北部地区顶端地区患有支气管扩张症的成年澳大利亚原住民的胸部计算机断层扫描结果。

Chest computed tomography findings among adult Aboriginal Australians with bronchiectasis in the Top End Northern Territory of Australia.

机构信息

Department of Respiratory and Sleep Medicine, Royal Darwin Hospital, Darwin, Northern Territory, Australia.

Flinders University, College of Medicine and Public Health, Darwin, Northern Territory, Australia.

出版信息

J Med Imaging Radiat Oncol. 2024 Aug;68(5):545-552. doi: 10.1111/1754-9485.13671. Epub 2024 Jun 12.

Abstract

INTRODUCTION

There is limited evidence in the literature illustrating chest computed tomography (CT) characteristics among adult Aboriginal Australians with bronchiectasis. This retrospective study evaluates the radiological characteristics of bronchiectasis in Aboriginal Australians residing in the Top End, Northern Territory of Australia.

METHODS

Patients aged >18 years with chest CT-confirmed bronchiectasis between 2011 and 2020 were included. Demographics and relevant clinical parameters were collected. Alongside confirming bronchiectasis, chest CT reports were assessed for (i) lobar location (ii) unilateral or bilateral involvement and (iii) bronchiectasis type when available.

RESULTS

A total of 459 patients were identified with chest CT-confirmed bronchiectasis, with a median age of 47 years, and 55% were females. Bronchiectasis was predominantly recorded in the left lower lobe (LLL) (73%), followed by the right lower lobe (RLL) (62%) and the left upper lobe (LUL) was least common (22%). Females recorded the right middle lobe (RML) affected significantly more often than males (50 vs. 34%, P = 0.012). Bilateral involvement was common (74%), with the strongest pairwise correlation associated between the right upper lobe (RUL) and LUL (P < 0.001). Cylindrical (50%) and cystic (28%) types were most common. The RML and LLL showed positive correlation with cylindrical and LUL with cystic bronchiectasis. Neither lobar location nor bronchiectasis type showed any significant association with lung function parameters other than RML, Lingula and LUL involvement being associated with better percent predicted values of diffusing capacity for carbon monoxide. There were no significant associations between sputum culture and type or lobar locations of bronchiectasis except for non-Aspergillus fungus culture prevalence was higher with cystic or cylindrical types.

CONCLUSION

The results of this study may be an avenue to develop CT bronchiectasis severity scale in the future specific for Aboriginal Australians.

摘要

引言

文献中关于伴有支气管扩张症的成年澳大利亚原住民的胸部计算机断层扫描(CT)特征的证据有限。本回顾性研究评估了澳大利亚北部地区北部地区的澳大利亚原住民的支气管扩张症的放射学特征。

方法

纳入了 2011 年至 2020 年间胸部 CT 证实的支气管扩张症患者,年龄>18 岁。收集了人口统计学和相关临床参数。除了确认支气管扩张症外,还评估了胸部 CT 报告是否存在(i)肺叶位置(ii)单侧或双侧受累和(iii)在有条件的情况下支气管扩张症类型。

结果

共确定了 459 例胸部 CT 证实的支气管扩张症患者,中位年龄为 47 岁,55%为女性。支气管扩张症主要发生在左下叶(LLL)(73%),其次是右下叶(RLL)(62%),左肺上叶(LUL)最少见(22%)。女性比男性更常受右侧中叶(RML)影响(50%比 34%,P=0.012)。双侧受累很常见(74%),最强烈的双侧相关性与右上叶(RUL)和 LUL 之间相关(P<0.001)。柱状(50%)和囊状(28%)类型最常见。RML 与柱状支气管扩张症以及 LLL 与囊状支气管扩张症呈正相关。除了 RML、Lingula 和 LUL 受累与一氧化碳弥散量的预测值较好相关外,肺叶位置和支气管扩张症类型均与肺功能参数无显著相关性。除了非曲霉菌真菌培养的患病率与柱状或囊状类型较高外,痰液培养与支气管扩张症的类型或肺叶位置之间无显著相关性。

结论

本研究结果可能为未来针对澳大利亚原住民开发 CT 支气管扩张症严重程度量表提供途径。

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