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[Right-sided mechanical circulatory support in acute right ventricular failure in the dog]. 1991

I Gabauer, and J Okolicány, and J Styk, and D Pancza, and V Holec
Ustavu experimentálnej chirurgie CFV SAV v Bratislave.

The technique of surgically induced acute progressive right ventricular failure in experimental animals is described. It sumultates the hemodynamic situation of right ventricular failure in some patients after termination of extracorporeal circulation applied for carrying out procedures on the left ventricle. The described technique consists of rightsided longitudinal ventriculotomy, destruction of the tricuspid valve, and ligation of the right coronary artery. Nine control dogs died within two hours after induction of failure due to low stroke volume caused by low pulmonary and left atrial pressure. The use of rightsided support appliance draining blood from the right atrium in systole and pumping it into the trunk of the pulmonary artery in diastole by means of a membrane pump resulted in further 12 dogs in the restoration of left ventricular diastolic pressure, significant increase of aortal pressure (p less than 0.003) and stroke volume (p less than 0.003) and in a decrease of right atrial pressure (p less than 0.003). The study demonstrated that by using the described mechanical support the circulation can be adequately assisted so that the failing right side of the heart can get restored. (Tab.1,Fig.5,Ref.25.).

UI MeSH Term Description Entries
D008297 Male Males
D002303 Cardiac Output, Low A state of subnormal or depressed cardiac output at rest or during stress. It is a characteristic of CARDIOVASCULAR DISEASES, including congenital, valvular, rheumatic, hypertensive, coronary, and cardiomyopathic. The serious form of low cardiac output is characterized by marked reduction in STROKE VOLUME, and systemic vasoconstriction resulting in cold, pale, and sometimes cyanotic extremities. Low Cardiac Output,Low Cardiac Output Syndrome,Output, Low Cardiac
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005260 Female Females
D006353 Heart-Assist Devices Small pumps, often implantable, designed for temporarily assisting the heart, usually the LEFT VENTRICLE, to pump blood. They consist of a pumping chamber and a power source, which may be partially or totally external to the body and activated by electromagnetic motors. Artificial Ventricle,Heart Assist Device,Heart Ventricle, Artificial,Pumps, Heart-Assist,Vascular-Assist Device,Vascular-Assist Devices,Ventricle-Assist Device,Ventricular Assist Device,Artificial Heart Ventricle,Artificial Heart Ventricles,Artificial Ventricles,Assist Device, Heart,Assist Device, Ventricular,Assist Devices, Heart,Assist Devices, Ventricular,Device, Heart Assist,Device, Heart-Assist,Device, Vascular-Assist,Device, Ventricle-Assist,Device, Ventricular Assist,Devices, Heart Assist,Devices, Heart-Assist,Devices, Vascular-Assist,Devices, Ventricle-Assist,Devices, Ventricular Assist,Heart Assist Devices,Heart Ventricles, Artificial,Heart-Assist Device,Heart-Assist Pump,Heart-Assist Pumps,Pump, Heart-Assist,Pumps, Heart Assist,Vascular Assist Device,Vascular Assist Devices,Ventricle Assist Device,Ventricle, Artificial,Ventricle, Artificial Heart,Ventricle-Assist Devices,Ventricles, Artificial,Ventricles, Artificial Heart,Ventricular Assist Devices
D006439 Hemodynamics The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM. Hemodynamic
D000208 Acute Disease Disease having a short and relatively severe course. Acute Diseases,Disease, Acute,Diseases, Acute
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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