Predictive value of early clinical parameters of hemoperfusion therapy for severe acute organophosphate poisoning on short term outcome
Objective To explore the prognostic value of early relevant clinical indicators in hemoperfusion patients with severe acute organophosphorus poisoning(AOPP).Methods The clinical data of 91 patients with severe AOPP admitted to Baoding NO.2 Central Hospital from March 2018 to October 2022 were retrospectively analyzed,including gender,age,comorbidities,body mass index(BMI),amount of drug taken,time from drug taking to gastric lavage,number of hemoperfusion,white blood cell count(WBC),alanine aminotransferase(ALT),aspartate aminotransferase(AST),total bilirubin(TBil),blood urea nitrogen(BUN),serum cholinesterase(ChE)activity,lymphocyte count,pH value,arterial partial pressure of carbon dioxide(PaCO2),arterial partial pressure of oxygen(PaO2),blood K+,Na+,Cl-and inflammatory cytokine levels,acute physiology and chronic health evaluation Ⅱ(APACHE Ⅱ),Glasgow coma scale(GCS),the occurrence of complications.The patients were divided into the death group and the survival group according to the prognosis within 72 hours.Differences in early clinical indicators between the two groups were compared,independent risk factors affecting the short-term prognosis of AOPP patients were analyzed by multivariate Logistic regression,and the predictive efficacy of each risk factor on the prognosis of patients was analyzed by plotting the receiver operator characteristic curve(ROC curve).Results The age of the death group was significantly higher than that of the survival group,the proportion of complicated with coronary heart disease,patients with dose of poison,time from poison to gastric perfusion,WBC,ALT,TNF-α,IL-1β and IL-6 levels at admission were significantly higher than those in survival group,and the number of hemoperfusion,TBil,ChE activity,PaCO2 were significantly lower than those in survival group(all P<0.05).Multivariate Logistic regression analysis showed that dose of poison,number of hemoperfusion,ALT,ChE activity and TNF-α were independent risk factors for poor prognosis in AOPP patients[odds ratio(OR)and 95％confidence interval(95％CI)were 1.865(1.032-3.370),2.282(1.406-3.703),2.522(1.258-5.057),2.843(1.036-7.802),2.077(1.107-3.897),respectively,all P<0.05];ROC curve analysis showed that dose of poison,number of hemoperfusion,ALT,ChE activity,TNF-α and the above combined indicators had certain predictive value for the prognosis of AOPP patients,and the combined detection had the highest predictive value,area under the ROC curve(AUC)=0.976,95％CI was 0.919-0.996.AOPP exhibited a sensitivity of 100.0％and a specificity of 85.7％,all P<0.05.With the increase of hemoperfusion times,compared with admission,the levels of WBC,ALT,AST,TBil,serum creatinine(SCr),ChE activity,TNF-α,IL-1β and IL-6 showed a significant decrease trend,while the levels of PaCO2 and PaO2 showed a significant increase trend(all P<0.05).Conclusion The early dose of poison,number of hemoperfusion,ALT,ChE activity,and TNF-α in severe AOPP patients can help predict short-term prognosis.
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