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Objective:To investigate the use of discriminant analysis to predict the risk of nosocomial mortality in patients with traumatic hemorrhagic shock.Methods:The clinical data of 238 patients with traumatic hemorrhagic shock admitted to Peking University People's Hospital from Sep 2013 to Aug 2020 were retrospectively analyzed. Patients were divided into survival group (214 cases) and death group (24 cases). Stepwise discriminant analysis was used to establish a discriminant model.Results:The difference of history of stroke (9.8% vs. 25.0%), main site of bleeding (extremities)(58.9% vs. 29.2%), APACHEⅡ score (16.4±5.1 vs. 23.2±6.1), blood lactic acid [2.1(1.1-3.5) mmol/L vs. 4.9(2.0-13.4) mmol/L] and surgery (92.5% vs. 58.3%) between the two groups was all statistically significant (all P<0.05). Finally, There are five indicators that entered the discriminant model: history of stroke, main site of bleeding (extremities), blood lactic acid, APACHE Ⅱ score and surgery. The area under the ROC curve for predicting the risk of mortality in patients with traumatic hemorrhagic shock was 0.857, 95% CI 0.754-0.959. Conclusions:The established discriminant model has a high accuracy in predicting the risk of in-hospital mortality in patients with traumatic hemorrhagic shock.
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Objective To analyze the risk factors related to the myocardial injury after non-cardiac surgery (MINS) in patients who underwent major abdominal surgery.Methods The clinical data of all patients admitted in the surgical ICU of Peking University People's Hospital from Jan 2016 to Dec 2018 were analyzed.Logistic multivariate analysis was performed to analyze the association of clinical characteristics with the incidence of MINS.Results A total of 322 patients were included,48.4％ (156/322) were diagnosed as with MINS.97.4％ (152/156) of MINS occurred during the first 72 h of admission.Multivariate analysis showed that independent predictive factors of MINS were age ＞ 65y (OR =1.747,P =0.021),body mass index (OR =1.085,P =0.008),acute physiology and chronic health evaluation Ⅱ (APACHE Ⅱ,OR =1.066;P =0.047),hypertension (OR =1.747,P =0.027),blood lactate (OR =1.393,P=0.001) and acute kidney injury (OR=2.065,P=0.047).Conclusions The incidence ofMINS in patients who underwent major abdominal surgery was high.Age,body mass index,APACHE Ⅱ score,hypertension,blood lactate level and acute kidney injury after surgery were independent risk factors of MINS.
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Objective@#To analyze the risk factors related to the myocardial injury after non-cardiac surgery (MINS) in patients who underwent major abdominal surgery.@*Methods@#The clinical data of all patients admitted in the surgical ICU of Peking University People′s Hospital from Jan 2016 to Dec 2018 were analyzed. Logistic multivariate analysis was performed to analyze the association of clinical characteristics with the incidence of MINS.@*Results@#A total of 322 patients were included, 48.4% (156/322) were diagnosed as with MINS. 97.4% (152/156) of MINS occurred during the first 72 h of admission. Multivariate analysis showed that independent predictive factors of MINS were age >65y (OR=1.747, P=0.021), body mass index (OR=1.085, P=0.008), acute physiology and chronic health evaluation Ⅱ (APACHE Ⅱ, OR=1.066; P=0.047), hypertension (OR=1.747, P=0.027), blood lactate (OR=1.393, P=0.001) and acute kidney injury (OR=2.065, P=0.047).@*Conclusions@#The incidence of MINS in patients who underwent major abdominal surgery was high. Age, body mass index, APACHE Ⅱ score, hypertension, blood lactate level and acute kidney injury after surgery were independent risk factors of MINS.