Vascular Events and Related Factors of Percutaneous Veno-Arterial Extracorporeal Membrane Oxygenation After Withdrawal
Objective To analyze the vascular events and clinical related factors after the successfully removal of percutaneous veno-arterial extracorporeal membrane oxygenation(V-A ECMO).Methods A total of 77 V-A ECMO patients who were evacuated from the Second Affiliated Hospital of Zhengzhou University were retrospectively analyzed.Patients who had experienced vascular events were included in the case group,while those who had not were included in the control group.The clinical data of the two groups were compared,and the risk factors of vascular events after V-A ECMO withdrawal were analyzed by multivariate logistic regression analysis.Results A total of 124 patients were successfully withdrawn from 2015 to 2023,of which 77 patients were included in this study.Fifteen patients(15/77,19.48％)developed catheter-associated deep vein thrombosis(CaDVT).There were 7 cases of arterial vascular complications(9/77,9.09％).Among them,3 cases were lower extremity artery occlusion,involving bilateral anterior tibial artery,bilateral distal tibial artery and dorsal pedis artery segment,there were also 2 cases with femoral artery thrombosis,all of which received arterial thrombectomy,the other 2 cases were femoral aneurysms.Age greater than or equal to 60 years,pre-ECMO 6 hours sequential organ failure assessment(SOFA)score,ECMO run time,and post-ECMO infection were associated with vascular complications.Conclusion The main vascular complications in V-A ECMO patients after withdrawal were deep vein thrombosis and arterial thrombosis.Age ≥60 years old,ECMO running time and infection after ECMO withdrawal were independent risk factors for vascular events after ECMO withdrawal.
vene-arteryextracorporeal membrane oxygenationevacuate the aircraftvascular eventsrelated factors
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