idiopathic pulmonary interstitial fibrosis

Idiopathic pulmonary interstitial fibrosis is characterized by the most common in IP, accounting for about 65%, adults over 50 years old, 60 years old patients can account for two-thirds, men generally more than women. Clinical manifestations include dry cough, dyspnea, etc. Most patients could hear the inspiratory crackle, obvious at the bottom of both lungs, clubbing fingers and abnormal lung function could be seen in more than one third of patients, mainly for ventilation function disorder and diffuse function disorder, laboratory examination lacked characteristics, 10% to 25% of patients serum antinuclear antibody and rheumatoid factor were positive.