Purpose:The aim of the study was to evaluate the feasibility of a new venous-thrombus aspiration and autologous blood(auto-blood)reinfusion system.Materials and methods:We constructed the venous model from polyvinyl c...Purpose:The aim of the study was to evaluate the feasibility of a new venous-thrombus aspiration and autologous blood(auto-blood)reinfusion system.Materials and methods:We constructed the venous model from polyvinyl chloride(PVC)tubes and three-way unions using a fresh clot of chicken blood as the venous thrombus.Eight French and 12 F aspiration catheters were used to aspirate the thrombus in the right–pulmonary-artery model,8 French and 14 F aspiration catheters were used in the inferior–vena cava model,and 8 French and 10 F aspiration catheters were used in the left-–iliofemoral-vein model.A thrombus filtration and auto-blood reinfusion bottle was used to filter the thrombus and re-infuse auto-blood.We evaluated the thrombus aspiration capability of each catheter by comparing preaspirated with the post-aspirated thrombus volume,and we evaluated the difference in aspiration capability between the two catheters in each model by comparing their thrombus aspiration rates.We used Student’s t-test for statistical analysis.Results:Differences between pre-aspirated and post-aspirated thrombus volumes for each catheter were insignificant,as were those between the thrombus aspiration rates of the two catheters in each venous model.Using the thrombus aspiration and auto-blood reinfusion system,each aspiration catheter could fluently aspirate the thrombus out of the venous model.Conclusion:In this study,we designed a new venous-thrombus aspiration system.This system could be used to aspirate acute venous thrombi and re-infuse autologous blood.展开更多
文摘Purpose:The aim of the study was to evaluate the feasibility of a new venous-thrombus aspiration and autologous blood(auto-blood)reinfusion system.Materials and methods:We constructed the venous model from polyvinyl chloride(PVC)tubes and three-way unions using a fresh clot of chicken blood as the venous thrombus.Eight French and 12 F aspiration catheters were used to aspirate the thrombus in the right–pulmonary-artery model,8 French and 14 F aspiration catheters were used in the inferior–vena cava model,and 8 French and 10 F aspiration catheters were used in the left-–iliofemoral-vein model.A thrombus filtration and auto-blood reinfusion bottle was used to filter the thrombus and re-infuse auto-blood.We evaluated the thrombus aspiration capability of each catheter by comparing preaspirated with the post-aspirated thrombus volume,and we evaluated the difference in aspiration capability between the two catheters in each model by comparing their thrombus aspiration rates.We used Student’s t-test for statistical analysis.Results:Differences between pre-aspirated and post-aspirated thrombus volumes for each catheter were insignificant,as were those between the thrombus aspiration rates of the two catheters in each venous model.Using the thrombus aspiration and auto-blood reinfusion system,each aspiration catheter could fluently aspirate the thrombus out of the venous model.Conclusion:In this study,we designed a new venous-thrombus aspiration system.This system could be used to aspirate acute venous thrombi and re-infuse autologous blood.
