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Serum prealbumin is a prognostic indicator in idiopathic pulmonary fibrosis.

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Published:18th May 2019
Author: Li B, Zhang X, Xu G, Zhang S, Song H, Yang K et al.
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Ref.:Clin Respir J. 2019.
DOI:10.1111/crj.13050

Introduction: Idiopathic pulmonary fibrosis (IPF) is a fatal interstitial lung disease characterized by variable progression. The prealbumin (PA) is a parameter in a routine blood biochemistry examination. We sought to investigate the prognostic value in IPF patients.

Objectives: To evaluate the prognosis value in patients with IPF.

Methods: Blood biochemistry examination, demographics, pulmonary function data from patients with IPF consulted in Beijing Chao-Yang Hospital and China-Japan Friendship Hospital between July 2012 and December 2016 were collected. Infection, liver and kidney dysfunction and lung transplantation are excluded from the cohort.

Results: The result of multivariate Cox analysis showed that PA was significant prognostic indicator of survival along with BMI, FVC, serum albumin protein and serum global protein. The patients with PA concentration <0.2 mg/L had shorter survival compared with those whose PA were normal. Although the survival had no significant difference between the patients with PA concentration < 0.2 mg/L and albumin < 35 g/L and those with PA concentration < 0.2 mg/L, the average survival time of patients with PA concentration < 0.2 mg/L and albumin < 35 g/L were shorter.

Conclusions: Our study indicated that IPF patients with PA concentration < 0.2 mg/L have poorer outcome. Further studies are warranted to indentify PA as a predictor for IPF patients outcomes and explore the role of PA in the pathogenesis of IPF.

 

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