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EuropePMC; 2020.
Preprint in English | EuropePMC | ID: ppcovidwho-315267


Background: The current worldwide pandemic of Coronavirus Disease 2019 (COVID-19) has posed a serious threat to global public health, and the mortality rate of critical ill patients remains high. The purpose of this study was to identify factors that early predict the progression of COVID-19 from severe to critical illness. Methods: : This retrospective cohort study included adult patients with severe or critical ill COVID-19 who were consecutively admitted to the Zhongfaxincheng campus of Tongji Hospital (Wuhan, China) from February 8 to 18, 2020. Baseline variables, data at hospital admission and during hospital stay, as well as clinical outcomes were collected from electronic medical records system. The primary endpoint was the development of critical illness. A multivariable logistic regression model was used to identify independent factors that were associated with the progression from severe to critical illness. Results: : A total of 138 patients were included in the analysis;of them 119 were diagnosed as severe cases and 16 as critical ill cases at hospital admission. During hospital stay, 19 more severe cases progressed to critical illness. For all enrolled patients, longer duration from diagnosis to admission (odds ratio [OR] 1.108, 95% CI 1.022-1.202;P=0.013), pulse oxygen saturation at admission <93% (OR 5.775, 95% CI 1.257-26.535;P=0.024), higher neutrophil count (OR 1.495, 95% CI 1.177-1.899;P=0.001) and higher creatine kinase-MB level at admission (OR 2.449, 95% CI 1.089-5.511;P=0.030) were associated with a higher risk, whereas higher lymphocyte count at admission (OR 0.149, 95% CI 0.026-0.852;P=0.032) was associated with a lower risk of critical illness development. For the subgroup of severe cases at hospital admission, the above factors except creatine kinase-MB level were also found to have similar correlation with critical illness development. Conclusions: : Higher neutrophil count and lower lymphocyte count at admission were early independent predictors of progression to critical illness in severe COVID-19 patients.

Med. J. Chin. Peoples Liberation Army ; 5(45): 481-485, 20200528.
Article in Chinese | WHO COVID, ELSEVIER | ID: covidwho-701008


Objective To investigate the clinical features of 13 fatal cases of corona virus disease 2019 (COVID-19). Methods The clinical data of 13 patients who died of COVID-19 in Central Theater General Hospital, China, between January 4, 2020, and February 24, 2020, were analyzed retrospectively. The data reviewed included clinical manifestations, laboratory test results, radiographic features and dinical treatment plan. The cellular immune function, the expression of inflammatory factors, and lactate level in deceased patients at different stages of the disease were analyzed. Results Of those who died, the patients consisted of 10 men and 3 women. The age of those who died was (74±19) years, and 10(76.9%) patients were over 70 years old. For the patients who died, 9 presented with underlying diseases, 6(46.2%) of whom had more than 2 diseases. On admission, the chest computed tomography (CT) for 8 patients (61.5%) mainly showed multiple patchy ground-glass opacities. When the disease progressed, the ground-glass opacities rapidly developed into diffuse lesions in both lungs. The lymphocyte and CD3+, CD4+, and CD8+ T lymphocyte counts in the peripheral blood of 13 patients were significantly lower than normal levels and decreased more substantially during the disease course based on the levels when admitted (P<0.01). Additionally, the interleukin (IL)-6, D-dimer, C-reactive protein (CRP), lactic acid levels gradually increased, and most peaked before death. The cause of death for most patients was acute respiratory distress syndrome (ARDS) with type I respiratory failure. Three patients eventually developed multiorgan deficiency syndrome (MODS). Conclusions The risk factors of death for COVID-19 patients included older men, more underlying diseases, poor cellular immune function and over-expression of inflammatory factors. The main cause of death in patients with COVID-19 was ARDS, which led to respiratory failure and MODS.