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Chinese Journal of Critical Care Medicine(Electronic Edition) ›› 2022, Vol. 15 ›› Issue (06): 454-459. doi: 10.3877/cma.j.issn.1674-6880.2022.06.003

• Original Article • Previous Articles     Next Articles

Risk factors of intracerebral hemorrhage in patients with extracorporeal membrane oxygenation

Zhongman Zhang1, Yi Zhu1, Wei Li1, Di An1, Yue Zou1, Yu Xia1, Tao Ding1, Yutong Shi1, Xufeng Chen1,()   

  1. 1. Emergency Medicine Center, the First Affiliated Hospital with Nanjing Medical University, Nanjing 210029, China
  • Received:2021-12-11 Online:2022-12-31 Published:2023-03-03
  • Contact: Xufeng Chen

Abstract:

Objective

To investigate the risk factors of intracerebral hemorrhage (ICH) in patients with extracorporeal membrane oxygenation (ECMO).

Methods

A total of 105 patients received ECMO treatment at the Emergency Medicine Center of the First Affiliated Hospital with Nanjing Medical University from January 2017 to August 2020. Patients were divided into an ICH group (n = 14) and a non-ICH group (n = 91) according to whether there was cerebral hemorrhage during ECMO. The difference of baseline data and prognosis between these two groups was analyzed, and then the risk factors of ICH in ECMO patients were analyzed by multivariate Logistic regression and the receiver operating characteristic curve.

Results

There were significant differences in the platelet count (U = 382.000, P = 0.016), creatinine (U = 419.000, P = 0.040), alanine aminotransferase (U = 396.000, P = 0.023), prothrombin time (U = 379.000, P = 0.015), activated partial thromboplastin time (U = 394.500, P = 0.022), continuous renal replacement therapy (χ2 = 3.883, P = 0.049), platelet transfusion volume (U = 372.000, P = 0.010), plasma transfusion volume (U = 399.000, P = 0.015), minimum platelet count (U = 291.000, P = 0.001) and the longest value of prothrombin time during treatment (U = 341.500, P = 0.005) between the ICH group and the non-ICH group. Logistic regression showed that the minimum platelet count during ECMO [odds ratio = 0.614, 95% confidence interval (CI) (0.408, 0.923), P = 0.019] was a protective factor for ICH in patients with ECMO. The area under the curve for the minimum platelet count to predict ICH in ECMO patients was 0.799 [95%CI (0.667, 0.913), P < 0.001], and the optimal cut-off value was 49.5 × 109/L, with sensitivity of 58.2% and specificity of 92.9%.

Conclusion

The minimum platelet count during ECMO is associated with ICH in patients with ECMO, and the lower the platelet count, the higher the risk of bleeding.

Key words: Extracorporeal membrane oxygenation, Platelet, Intracerebral hemorrhage, Coagulation, Transfusion

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