RESUMO
Objective To explore the clinical characteristics and risk factors of occult pneumonia in advanced elderly patients.Methods A total of 170 advanced elderly patients with community-acquired pulmonary infection in geriatric department of Xijing hospital from January 2014 to October 2017 were enrolled.Patients were divided into two groups:the observation group (with occult pneumonia,n=80)and the control group(without occult pneumonia,n =90).Clinical data of patients were collected,and clinical characteristics and related risk factors of occult pneumonia in elderly patients were analyzed.Results There was no statistically significant difference in the positive rate of sputum culture and the distribution of pathogenic bacteria between the two groups (P ＞ 0.05).Gram-negative bacteria predominated in pathogenic bacteria.The hospitalization time was longer in the observation group than in the control group[(17.3 ± 3.0) d vs.(10.3 ± 3.9) d,P ＜ 0.05].The mortality rate was higher in the observation group than in the control group(10.0 ％ vs.3.3 ％,P ＜ 0.05).The age was older in the observation group than in the control group[(87.0± 1.7) years vs.(82.0± 2.4) years,P ＜ 0.05].The incidences of diabetes,Alzheimer's disease,hypothyroidism and long-term bed rest were higher in the observation group than in the control group (P ＜ 0.05).Multivariate logistic regression analysis showed that age (OR =6.93),dementia (OR =4.32),hypothyroidism(OR =4.89) were independent risk factors for occult pneumonia (P ＜ 0.05).Conclusions The pathogenic bacteria in advanced elderly patients with occult pneumonia are mainly gram-negative bacteria.The positive rate of CT scan confirmed-occult pneumonia is much higher than that by chest X-ray.The advanced elderly patients with occult pneumonia have longer hospitalization time and higher mortality rates.Old age,senile dementia and hypothyroidism are independent risk factors for occult pneumonia in advanced elderly patients.
RESUMO
Objective To investigate the risk factors for occult pneumonia(OP) in children with primary nephrotic syndrome(PNS).Methods The clinical data of 115 children with PNS and findings of chest CT from July 2010 to June 2016 at the First Affiliated Hospital of Zhengzhou University were retrospectively analyzed.Based on the findings of chest CT,the subjects were divided into 2 groups:OP group and unoccult pneumonia (UOP) group.The comparisons were made between 2 groups,including gender,age,season,course of disease before admitting to hospital,formation of ascites,white blood cells,C-reactive protein,erythrocyte sedimentation rate,total protein (TP),albumin (ALB),total cholesterol,immunoglobulin G (IgG),immunoglobulin E,urine N-acetyl-beta-D-glucosaminidase (NAG) and 24 h urinary protein quantity/body weight.The single factor analysis was performed to analyze above indicators between 2 groups,and the indicators which had statistical significance were analyzed by single factor analysis were analyzed by the multifactor Logistic regression.The receiver operator characteristic (ROC) curve was drawn to evaluate the predicting ability of the indicators for PNS combined with OP.Results Among 1 15 cases,68 (59.1％) PNS patients were complicated with OP.The result of single factor analysis indicated that the risk factors were the formation of ascites,TP,ALB,IgG and NAG (all P ＜0.05).The multifactor Logistic regression showed that ascites,TP and ALB were the risk factors for OP in children with PNS(P =0.003,0.004,0.003).The area under curve (AUC) of ALB was 0.709,and the critical value was 18.55 g/L(P =0.000);the AUC of TP was 0.658,and the critical value was 39.15 g/L(P =0.004).Conclusion The incidence rate of PNS combined with OP was high.With the presence of formation of ascites,TP ＜39.15 g/L and ALB ＜ 18.55 g/L,it may indicate OP for the PNS children which require special consideration clinically and earlier chest CT examination.