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目的:研究体重指数(BMI)与慢性阻塞性肺疾病(COPD)患者肺功能和呼吸困难程度之间的关系。方法:收集医院收治的144例COPD患者,根据BMI指标中国标准分成低BMI组(BMI<18.5)50例、正常BMI(18.5≤BMI<24)组56例和高BMI(BMI≥24)组38例。比较三组的呼吸困难程度及肺功能指标FVC%、FEV1%、FEV1/FVC是否存在差异。结果:低BMI组较正常BMI组及高BMI组患者比较,肺通气功能指标更差,呼吸困难程度更重。正常BMI组与高BMI组比较肺通气功能指标及呼吸困难程度没有存在明显差异。结论:BMI与COPD患者肺功能和呼吸困难程度之间关系密切,BMI可以辅助判断肺功能情况。防止体重指数减低,对改善COPD患者的预后有积极的影响。
Objective: To study the relationship between body mass index (BMI) and pulmonary function and degree of dyspnea in patients with chronic obstructive pulmonary disease (COPD). Methods: A total of 144 patients with COPD admitted to our hospital were enrolled in this study. Fifty patients with low BMI (BMI <18.5), 56 with normal BMI (18.5 ≤ BMI <24) and 38 with high BMI (BMI ≥ 24) example. The degree of dyspnea in the three groups was compared with those of the FVC%, FEV1% and FEV1 / FVC. Results: Compared with patients in the normal BMI group and the high BMI group, the BMI group had worse pulmonary function and more severe dyspnea. There was no significant difference between the normal BMI group and the high BMI group in lung function index and degree of dyspnea. Conclusion: The relationship between pulmonary function and the degree of dyspnea in BMI and COPD patients is closely related. BMI can help determine the pulmonary function. Preventing a reduction in body mass index has a positive impact on improving the prognosis of patients with COPD.