Predictive value of systematic immune-inflammation index in severity and prognosis of the patients with acute pulmonary embolism / 中国医师进修杂志

ABSTRACT

Objective:To investigate the predictive value of systematic immune-inflammation index(SII) in severity and prognosis of the patients with acute pulmonary embolism(APE).Methods:By retrospective research methods, the clinical data of 120 APE patients from June 2020 to January 2022 in Hubei University of Medicine Affiliated Dongfeng General Hospital were analyzed. The pulmonary embolism-related deaths within 6 months was the end point events. The influence factors were explored by multivariate Logistic regression analysis, the predictive value of pulmonary embolism severity index (PESI) and SII on the end point events of patients were assessed by receiver operating characteristic(ROC) curve.Results:According to the pulmonary embolism-related deaths within 6 months as the end point events they were divided into the survival group (96 cases) and the death group (24 cases). The age, systolic blood pressure, heart rate, respiratory rate, incidence of congestive heart failure, level of B-type natriuretic peptide, PESI score, and SII in the death group were higher than those in the survival group (66.00 ± 8.85) years vs. (61.21 ± 5.99) years, (129.83 ± 14.76) mmHg (1 mmHg = 0.133 kPa) vs. (122.77 ± 10.21) mmHg, (102.04 ± 9.43) beats/min vs. (92.54 ± 11.34) beats/min, (20.83 ± 2.37) beats/min vs. (19.72 ± 1.77) beats/min, 41.67%(10/24) vs. 14.58%(14/96), (211.67 ± 85.38) ng/L vs. (167.86 ± 71.88) ng/L, (110.17 ± 19.13) scores vs. (89.09 ± 12.63) scores, (1 068.58 ± 230.65) × 10 9/L vs. (784.22 ± 233.98)×10 9/L, there were statistical differences ( P<0.05). Multivariate Logistic regression analysis showed that age, heart rate, PESI score and SII were the independent risk factors of death related to pulmonary embolism in APE patients ( P<0.05). The results of ROC curve showed that the area under curve of PESI and SII for the prediction of pulmonary embolism related death was 0.816 and 0.791, respectively, there was no statistical difference ( P>0.05). According to the cut-off of SII (882.40 × 10 9/L), they also assigned to the SII<882.40 × 10 9/L group (61 cases) and the SII≥882.40 × 10 9/L group (59 cases), The results of Kaplan-Meier survival analysis showed that the 6-month survival rate in the SII<882.40 × 10 9/L group was higher than that in the SII≥882.40 × 10 9/L group, there was statistical difference ( P<0.05). Conclusions:SII can effectively evaluate the survival prognosis of acute pulmonary embolism patients, and it can be used as one of the indicators for evaluating the prognosis of patients.