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Risk factors for ICU admission among children with pertussis
SHI Ting-ting, HUANG Li, JIANG Wen-hui, et al
2022, 37(6):
458-463.
DOI: 10.19538/j.ek2022060608
Objective To analyse the risk factors for intensive care unit (ICU) admission among children with pertussis,in order to provide timely treatment and reduce the risk of death. Methods The clinical data of 144 child patients with pertussis who were admitted to Guangzhou Women and Childrens Medical Centre between January 2016 and December 2019 were retrospectively studied.Patients were divided into general group and ICU group. The univariate Logistic regression analysis was used to determine the factors related to ICU admission .Multivariate Logistic regression analysis was used to determine the independent risk factor for ICU admission. Results Totally 144 patients were enrolled (general group 106 cases,ICU group 38 cases). Among the 144 patients,there were 69 boys and 75 girls,with the median age being 2 months,and there were 32 patients aged <3 months in ICU group. Totally 102 patients were unvaccinated for diphtheria-tetanus-pertussis (DTP). The most common symptom was cough(99.3%),followed by cyanosis(45.1%),fever(31.9%) and shortness of breath(27.8%).The most common complication was pneumonia (70.1%),followed by respiratory failure (24.3%),septic shock (10.4%),pleural effusion (9.7%),and pulmonary hypertension (9.0%). The most common laboratory findings were increased WBC and absolute lymphocyte count,including 19 cases with WBC>50.0×109/L. The rate of ICU admission was 26.4%(38/144),the total mortality of pertussis was 9.0%,and the mortality of ICU group was 34.2%. The independent risk factors for the ICU admission among infants and young children with pertussis were WBC>30.0×109/L ,shortness of breath,respiratory rate > 70/min (≤1year old) or>60/min (>1year old),heart rate>180/min (≤1years) or>160/min (>1year old),cyanosis,and oxygen saturation < 0.90. Conclusion Severe pertussis of infant mainly occurred in children aged < 3 months. The presence of WBC>30.0×109/L,shortness of breath,respiratory rate > 70 /min (≤1year old) or>60 /min (>1year old),heart rate>180/min (≤1years) or>160/min (>1year old),cyanosis,and oxygen saturation < 90% are independent risk factors for ICU admission among children with pertussis. Paediatricians should pay more attention to these symptoms,identify the severe cases in early stage,and transfer the patients to ICU as soon as possible.
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