Clinical features of combined pulmonary fibrosis and emphysema syndrome in elderly patients / 中华老年医学杂志
Xiaomao XU; Chun PU; Yimeng YANG; Yong DING; Yang JU; Jia CUI; Tieying SUN.
Chinese Journal of Geriatrics
; (12): 129-133, 2014.
Artículo
en Zh
| WPRIM | ID: wpr-443314
Objective To compare clinical features,pulmonary functions,chest imaging and prognosis between combined pulmonary fibrosis and emphysema syndrome (CPFE) and idiopathic pulmonary fibrosis(IPF) without emphysematous changes in elderly patients.Methods 88 elderly IPF patients in Beijing hospital from January 2000 to October 2012 were divided into CPFE (n=30) and IPF (n =58) groups according to the CT imaging.Clinical features,blood gas analysis,pulmonary function,chest CT and survival time were compared between the two groups.Results 30 CPFE patients with the mean age of(75.5 ±7.6) years and 58 IPF patients without emphysema with the mean age of(73.7±6.8) years were enrolled.The proportions of male patients,smoking history and mortality were higher in CPFE patients than in IPF group(86.7％ vs.63.8％,28 vs.36,76.7％ vs.43.1％,x2 =5.09,9.74,8.98,P＜0.05 or 0.01).CPFE patients had a higher force vital capacity(FVC) and total lung capacity(TLC) as compared with IPF group [(2.6±0.9) L vs.(2.1± 0.5) L,(5.4±1.9) L vs.(4.4±1.1) L,t=2.69,2.35,P＜0.01 or 0.05].There were no significant differences in forced expiratory volume in one second(FEV1) and the diffusion capacity for carbon monoxide(DLCO) between the two groups.The main type of emphysema by HRCT scan were centrilobular emphysema in CPFE patients.There were lower median survival time in CPFE group than in IPF group [(3.0±0.2) years vs.(4.0±1.0) years,x2=4.50,P＜0.05].Conclusions The majority of elderly CPFE patients are males and smokers.The lung volume is increased in elderly CPFE patients as compared with IPF patients.Centrilobular emphysema is the primary type in CPFE patients.The prognosis is worse in elderly CPFE patients than in IPF patients.
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