慢阻肺支气管哮喘堆叠:肺功用测定辨别支气管哮喘、慢阻肺及哮喘慢阻肺堆叠综合征的临床价值剖析

来源: 2018-10-22 14:27

禇岩

[摘要] 意图 探討肺功用测定对辨别支气管哮喘、慢阻肺及哮喘慢阻肺堆叠综合征的临床使用价值。 办法 随机选取2015年1月~2017年3月我院收治的呼吸道疾病患者90例,以病症类型将其分为三组,其间支气管哮喘患者(n=30)为调查A组、慢阻肺患者(n=30)为调查B组、哮喘慢阻肺堆叠综合征患者(n=30)为调查C组;对三组患者进行肺功用测定,内容包含弥散功用测定、肺通气功用及肺容量测定,具体记载所获相关数据并作比照剖析。 成果 研讨成果标明,调查A组患者的肺通气功用目标显着高于调查B、C组,调查B组患者肺通气功用目标高于调查C组,差异具有统计学含义(P<0.05),但两组FEV1/FVC 目标比照,差异无统计学含义(P>0.05)。调查A组患者肺容量功用目标低于调查B、C组,差异具有统计学含义(P<0.05),但调查A、B、C三组的TLC目标比照,差异无统计学含义(P>0.05)。调查A组患者DLCO、Dm估计值%及DLCO/VA显着高于调查B、C组,调查C组患者DLCO、Dm估计值%及DLCO/VA高于调查B组,差异具有统计学含义(P<0.05)。 定论 肺功用测定(肺通气、肺容量、肺弥散功用检测)辨别支气管哮喘、慢阻肺及哮喘慢阻肺堆叠综合征的临床价值高。

[要害词] 肺功用测定;支气管哮喘;慢阻肺;哮喘慢阻肺堆叠综合征

[中图分类号] R563.9;R562.25 [文献标识码] B [文章编号] 1673-9701(2018)03-0038-03

Analysis on the clinical value of pulmonary function test in the identification of bronchial asthma, chronic obstructive pulmonary disease and asthma chronic obstructive pulmonary overlap syndrome

CHU Yan

Department of Internal Medicine, Chaoyang District Shuangqiao Hospital in Beijing, Beijing 100121, China

[Abstract] Objective To study and analyze the clinical application value of pulmonary function test in the identification of bronchial asthma, chronic obstructive pulmonary disease (COPD) and asthma chronic obstructive pulmonary disease overlap syndrome. Methods From January 2015 to March 2017, 90 patients with respiratory disease who were admitted to our hospital were randomly selected according to the type of diseases and divided into three groups. Bronchial asthma patients(n=30) were assigned to observation group A, COPD patients(n=30) were assigned to observation group B, and patients with asthma COPD overlap syndrome(n=30) were assigned to observation group C. The lung function was tested for the three groups of patients, including the determination of diffusion function, pulmonary ventilation and lung capacity measurement. The required relevant data were recorded in detail and were analyzed and compared. Results The results showed that the lung ventilation function index of patients in observation group A was significantly higher than that in observation group B and C, and the lung ventilation function index in observation group B was higher than that in observation group C, the difference was statistically significant(P<0.05). However, there was no significant difference between the two groups in the FEV1/FVC index, without statistical significance(P>0.05). The lung volume function index in observation group A was lower than that in observation group B, C, the difference was statistically significant(P<0.05). However, there was no significant difference in TLC indexes between observation group A, B and C, there was no statistical significance(P>0.05). In observation group A, DLCO, Dm predicted value % and DLCO/VA were significantly higher than those in observation group B and C, and the DLCO, Dm predicted value % and DLCO/VA in group C were higher than those in observation group B. The difference was statistically significant(P<0.05). Conclusion Pulmonary function tests (lung ventilation, lung capacity, lung diffusion function test) used to identify bronchial asthma, COPD and asthma COPD overlap syndrome have a high clinical value.

[Key words] Pulmonary function measurement; Bronchial asthma; Chronic obstructive pulmonary disease (COPD); Asthma chronic obstructive pulmonary disease overlap syndrome

支气管哮喘、慢阻肺患者体内均存在多种炎症细胞或炎性介质,为炎症性呼吸系统疾病,患者均伴有气流受限症状,临床上多见患者咳嗽、咳痰或气喘等不良症状,精确确诊难度较大[1]。有研讨成果显现支气管哮喘、慢阻肺有并存状况,即哮喘慢阻肺堆叠综合征。三种病况多方面状况极为类似,精确辨别难度很大[2]。依照病症类型将所选患者90例分为三组进行研讨,测定患者肺通气功用、肺容量、弥散功用后对所获相关数据剖析总结,评论肺功用测定辨别支气管哮喘、慢阻肺及哮喘慢阻肺堆叠综合征的临床价值,现将报导如下。

1 材料与办法

1.1一般材料

随机选取2015年1月~2017年3月我院收治的呼吸道疾病患者90例,依照病症类型将其分为三组:调查A组30例,患者男女占比为19∶11;年纪46~79岁,均匀(62.18±10.42)岁。调查B组30例,患者男女占比为17∶13;年纪43~71岁,均匀(60.51±10.03)岁。调查C组30例,患者男女占比为15∶15;年纪45~78岁,均匀(61.57±10.49)岁;三组患者一般材料比较,差异无统计学含义(P>0.05),具有可比性。

1.2 办法

用Masterscreen PFT肺功用仪对三组患者肺通气功用、肺容量、肺弥散功用进行测定。肺通气功用目标为:VC、FEV1、FVC、FEV1/FVC、PEF、MMEF;肺容量功用目标为:FRC、RV、TLC、RV/TLC;肺弥散功用目标为:DLCO、VA、Dm,DLCO值经Hb校对、核算DLCO/VA[3]。

1.3调查目标[4]

调查三组患者VC、FEV1、FVC、FEV1/FVC、PEF、MMEF、FRC、RV、TLC、RV/TLC、DLCO、VA、Dm、DLCO/VA,并将所获相关数据作比照剖析。

1.4 统计学办法

选用SPSS20.0软件对本文数据进行剖析处理,其间计量材料以(x±s)标明,选用t查验或方差剖析;计数材料以[n(%)]标明,选用χ2查验,P<0.05标明差异有统计学含义。

2 成果

2.1 三组患者肺通气功用测定成果比较

调查A组患者肺通气功用目标高于调查B、C组(P<0.05);调查B组患者肺通气功用目标高于调查C组(P<0.05),两组FEV1/FVC 目标比较差异无统计学含义(P>0.05)。见表1。

2.2 三组患者肺容量功用测定成果比较

调查A组患者肺容量功用目标除TLC外均低于调查B、C组(P<0.05),三组TLC目标比较,差异无统计学含义(P>0.05)。见表2。

2.3 三组患者弥散功用测定成果比较

调查A组患者DLCO、Dm估计值%及DLCO/VA高于调查B、C组(P<0.05),调查C组患者DLCO、Dm估计值%及DLCO/VA高于调查B组(P<0.05)。见表3。

3 评论

支气管哮喘、慢阻肺患者均呈气流受限症状,均为炎症性肺疾病,一般患者病况未得到及时有用的操控,便会累及患者身心健康。临床上以为支气管哮喘为变态反应性疾病之一,患者多为多变型可逆性气流受限,慢阻肺患者气流受限状况并不彻底可逆,该状况多为患者吸烟导致[5]。支气管哮喘、慢阻肺患者均可見咳嗽、咳痰或气喘等反常症状,临床医治时必须精确辨别患者疾病类型,防止误诊带给患者不行拯救的损害[6]。

肺功用测定成果可提示患者肺功用妨碍类型及程度,为支气管哮喘、慢阻肺临床确诊金规范,可经所获成果差异这两种疾病,并可提示患者病况严峻程度、发展、预后、医治效果等[7]。有研讨成果显现支气管哮喘患者通气妨碍比慢阻肺患者弱,患者FRC、RV/TLC等目标水均匀比正常人高,而支气管哮喘患者低于慢阻肺患者,RV、TLC目标水平比较无差异;与此次研讨成果相同[8]。可提示肺功用检测成果可辨别支气管哮喘、慢阻肺,临床辨别价值高。

肺弥散功用为某类肺泡气经肺泡分散至肺部毛细血管血液中,可与血红蛋白相互结合,提示肺泡及肺毛细血管间可进行气体交流[9]。此次研讨成果显现支气管哮喘患者未见弥散功用大幅度下降,慢阻肺患者检测成果提示弥散功用下降程度大于支气管哮喘患者[10]。可见支气管哮喘、慢阻肺患者均存在弥散功用妨碍的状况,亦提示慢阻肺患者弥散功用妨碍比支气管哮喘患者严峻[11]。

支气管哮喘患者DLCO、Dm占估计值百分比与DLCO/VA上比慢阻肺患者高,哮喘慢阻肺堆叠综合征患者DLCO、Dm占估计值百分比与DLCO/VA上比慢阻肺患者高[12]。支气管哮喘患者大都是气道重塑,对气道平滑肌形成较大的影响,但不会对肺部毛细血管形成较大影响,经此提示支气管哮喘患者弥散功用无明显改动[13]。慢阻肺患者呈肺泡壁损坏的状况,并导致毛细血管床数量大幅度减缩,使患者通气血流变少,引起弥散面积缩小而导致弥散功用下降[14]。哮喘慢阻肺堆叠综合征患者多见肺泡壁损坏、气道重塑等状况,但状况比慢阻肺患者较轻[15]。可见肺泡壁损坏程度与弥散功用密切相关,而这亦是这三种疾病患者弥散功用可差异的要害。

综上所述,肺功用测定(肺通气、肺容量、肺弥散功用)检测对辨别支气管哮喘、慢阻肺及哮喘慢阻肺堆叠综合征的临床价值较高。

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(收稿日期:2017-11-13)

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