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Chinese Journal of Critical Care Medicine(Electronic Edition) ›› 2021, Vol. 14 ›› Issue (02): 120-126. doi: 10.3877/cma.j.issn.1674-6880.2021.02.005

Special Issue:

• Original Article • Previous Articles     Next Articles

Risk factors for prognosis of patients with acute superior mesenteric artery embolism

Xionglin Wu1, Yuanqiang Lu2,()   

  1. 1. Department of Emergency, Zhejiang Provincial Key Laboratory of Diagnosis and Treatment of Aging and Physical-chemical Injury Diseases, the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
  • Received:2021-02-13 Online:2021-04-30 Published:2021-07-03
  • Contact: Yuanqiang Lu

Abstract:

Objective

To analyze risk factors for prognosis of patients with acute superior mesenteric artery embolism (ASMAE).

Methods

The clinical data of 108 patients with ASMAE from January 2015 to December 2020 were retrospectively analyzed. Patients were divided into a survival group (89 cases) and a death group (19 cases) according to their 28-d survival status. The general data, laboratory examination indexes, imaging and histopathological examination results were compared between the two groups. The LASSO-Logistic regression model and multivariate Logistic regression model were used to select the risk factors for predicting the prognosis of ASMAE patients. A visual nomogram was established using R language software, and its efficacy was assessed by a receiver operating characteristic (ROC) curve.

Results

The age (H = 3.311, P = 0.001), respiratory rate (H = 3.950, P < 0.001), heart rate (H = 2.386, P = 0.017), sequential organ failure assessment (SOFA) score (H = 5.224, P < 0.001), peritoneal irritation sign (χ2 = 6.040, P = 0.014), heart disease (χ2 = 6.324, P = 0.012), CT classification (χ2 = 3.903, P = 0.048), intestinal obstruction (χ2 = 4.248, P = 0.039), transmural intestinal necrosis (χ2 = 19.928, P < 0.001), white blood cell count (H = 2.562, P = 0.010), neutrophil count (H = 2.562, P = 0.010), neutrophil to lymphocyte ratio (H = 2.320, P = 0.020), procaicltonin (H = 2.425, P = 0.015), aspartate aminotransferase (H = 4.783, P < 0.001), alanine transaminase (H = 3.234, P = 0.001), total bilirubin (H = 2.098, P = 0.036), lactate dehydrogenase (H = 3.571, P < 0.001), creatine kinase (H = 3.179, P = 0.001), creatine kinase MB (H = 4.921, P < 0.001), serum creatinine (H = 3.583, P < 0.001), blood urea nitrogen (H = 3.332, P = 0.001), blood lactic acid (H = 4.730, P < 0.001), pH value (H = 3.152, P = 0.002), bicarbonate ion (H = 4.233, P < 0.001), prothrombin time (H = 2.600, P = 0.009), activated partial thomboplastin time (H = 2.732, P = 0.006), international normalized ratio (H = 2.495, P = 0.013) and D-dimer (H = 4.289, P < 0.001) all showed significant differences between the two groups. After the Lasso-Logistic regression and multivariate Logistic regression analysis, age [odds ratio (OR) = 1.243, 95% confidence interval (CI) (1.082, 1.512), P = 0.009], blood lactic acid [OR = 2.047, 95%CI (1.364, 3.516), P = 0.002] and SOFA score [OR = 1.871, 95%CI (1.263, 3.224), P = 0.007] were risk factors affecting the prognosis of ASMAE patients. ROC curve analysis showed that the nomogram drawn by the R language could predict the death of ASMAE patients [area under the curve = 0.971, 95% CI (0.926, 0.993), P < 0.001].

Conclusion

Age, blood lactic acid and SOFA score are risk factors for poor prognosis of ASMAE patients, and the nomogram constructed with these parameters can effectively predict their clinical outcomes.

Key words: Embolism, Mesenteric artery, superior, Risk factors, Prognosis

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