PMID: 25663972Feb 11, 2015Paper

Relevance analysis of clinical and lung function parameters changing and prognosis of idiopathic pulmonary fibrosis

International Journal of Clinical and Experimental Medicine
Xueren LiZhen-hua Li


Idiopathic pulmonary fibrosis (IPF) is defined as a specific form of chronic, progressive fibrosing interstitial pneumonia with unknown cause. We analyzed the changed rate of pulmonary function and arterial blood gas in IPF patients, and evaluated their influence of changed rate to IPF prognosis. 81 patients with IPF were recruited successfully, they were followed-up at 6 and 12 months. Dyspnea score and respiratory assessment parameters including FVC, FEV1, TLC, SaO2, PA-aO2, and DLCO were evaluated at their 6 and 12 months follow-up. The changed value and changed rate of above parameters were calculated, and their treatment effects were divided into 3 subgroup: improved, stable and deteriorated group. Statistical analysis was performed between groups for survival and hazards regression analysis. 55 of 81 patients were follow-up at 12 months. Dyspnea score and its changed rate, the changed value of FEV1%, FVC%, TLC%, DLCO%, and PaO2, SaO2, PA-aO2 were prognosis effect factors in IPF patients in 6 and 12 months group. The survival analysis of dyspnea scores, FVC%, TLC%, DLCO%, PaO2, SaO2 and PA-aO2 at K-M were all statistical significant (P < 0.05) in improved, stable and deteriorated group. FVC% changed rate, dyspnea score cha...Continue Reading

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