ISSN 1308-8734 | E-ISSN 1308-8742
Original Article
The Relationships of Serum Prealbumin Levels With Parameters That Indicate Severity of Disease and Emphysema Pattern in Patients With Stable Chronic Obstructive Pulmonary Disease
1 Department of Pulmonary Disease, Medical Faculty, Uludag University, Bursa, Turkey  
2 1Department of Pulmonary Disease, Medical Faculty, Uludag University, Bursa, Turkey  
3 Department of Radiology, Medical Faculty, Erciyes University, Kayseri, Turkey  
Eurasian J Med 2010; 42: 105-110

Key Words: COPD, Emphysema, Malnutrition, Serum prealbumin level
Abstract

 

Objective: Malnutrition, which is a complication frequently observed in chronic obstructive pulmonary disease (COPD) and negatively affects prognosis, has become a parameter that must be monitored. Even though various methods are applied to assess malnutrition, biochemical parameters, especially serum prealbumin levels, are useful.

 

Materials and Methods: The relationships between serum prealbumin levels, which we used as an indicator of malnutrition, with the severity of disease and the parameters predicting emphysema in stable COPD patients with no additional health problems were determined in this prospective study.

Results: One hundred stable COPD patients were evaluated prospectively. Serum prealbumin levels had a negative correlation with the total number of hospitalizations due to acute exacerbation, total hospitalization time, and average number of annual hospitalizations, whereas it showed a positive correlation with FEV1 and FEV1/FVC% values. Serum prealbumin levels were positively correlated with the length of the line connecting the costophrenic sinus to the dome of the diaphragm, which is used to assess the presence of emphysema and was negatively correlated with retrosternal distance. Also, in COPD patients with low prealbumin levels, while the FEV1 and FEV1/ FVC% values and the length of the line connecting the costophrenic sinus to the diaphragm dome significantly decreased, the retrosternal distance dramatically increased compared to COPD patients with normal prealbumin levels.

Conclusion: Serum prealbumin levels were convenient for monitoring malnutrition in COPD, were correlated with spirometric and anamnestic data indicating the severity of COPD, and were useful in distinguishing the subtype of COPD due to its decrease in the presence of emphysema.

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