• Feng Li, Mei-zhen Yuan, Liang Wang, Xue-feng Wang, and Guang-wei Liu.
• Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400016, China.
• Expert Rev Anti Infect Ther. 2015 Apr 1; 13 (4): 521-6.

ObjectiveTo examine the characteristics and the prognostic influence of pulmonary infections in neurologic disease patients with mild-to-severe hypoproteinemia.MethodsWe used a retrospective survey method to analyze the characteristics and prognoses of 220 patients with hypoproteinemia complicated with pulmonary infection in the Internal Medicine-Neurology Intensive Care Unit at the First Affiliated Hospital of Chongqing Medical University from January 2010 to December 2013. The patients were divided into mild, moderate and severe hypoproteinemia groups according to their serum albumin levels. The analysis included patient age, sex, acute physiology and chronic health evaluation (APACHE II score), and characteristics of the pulmonary infection, nutritional support and prognosis, among others.ResultsDifferences in the general information of the 220 cases of hypoalbuminemia patients complicated with varying degrees of pulmonary infection (APACHE II score, age, disease distribution) were statistically significant. The pulmonary infection onset time and pathogen susceptibility in the patients with mild-to-severe hypoalbuminemia were not significantly different. Pulmonary infection onset was more frequently observed within the first 3-11 days following admission in all groups. The nutritional support method did not significantly influence serum albumin protein levels. However, the neurological intensive care unit stay length, total hospitalization cost and disease distribution were significantly different among the patient groups.ConclusionsPatients with cerebrovascular disease, intracranial infections and epilepsy complicated with pulmonary infection represent the high-risk groups for hypoalbuminemia. The Acinetobacter baumannii complex represents the main group of pathogenic bacteria causing lung infections, and the high-risk period for lung infections is 3-11 days after the occurrence of hypoalbuminemia. Patients with severe hypoalbuminemia complicated with pulmonary infection have the worst prognoses.

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