Title: A experimental study on cardiac output measurement with lift ventricular catheterization
Abstract:Objective To introduce a new device and catheter for determining cardiac output(CO) through cor sinistrum with thermodilution.Methods Own control was introduced in eight dogs.A pulmonary thermodilutio...Objective To introduce a new device and catheter for determining cardiac output(CO) through cor sinistrum with thermodilution.Methods Own control was introduced in eight dogs.A pulmonary thermodilution catheter was used through the cor dextrum of the dogs.The new-design catheter was used through artery,and there were two situs to fix:its ahead in left artrium and the ahead near to aortic root.The CO was recorded under four circumstances of controlled respiration,apnoea,in controlled hypotension,and after controlled hypotension.Results There was no significant difference among the parameters(CO and cardiac index) of all circumstances.The CO determined by the pulmonary thermodilution catheter and those by the new-design catheter in two situs were positively correlated(γ=0.986 or γ=0.989),so did the cardiac index(γ=0.983 or γ=0.985).The CO and cardiac index by the new-design catheter between two situs were positively correlated(γ=0.992 or γ=0.988).Conclusion The parameters by the new-design catheter and those by the pulmonary thermodilution catheter were concordant.In comparison with the pulmonary thermodilution catheter,the new-design catheter is a simple device and could be easily operated.Read More
Publication Year: 2007
Publication Date: 2007-01-01
Language: en
Type: article
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