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PubMedDate not supplied

Instrumentation for cardiopulmonary bypass--past, present, and future.

Methods of extracorporeal circulation to permit intracardiac surgery still depend on the principles developed by John Gibbon in the early 1950s. This review traces Gibbon's early development, reviews the state of the art of instrumentation for extracorporeal circulation in the operating room today, and projects future changes in this instrumentation that will result in improvement in blood contact surfaces, automation and servo-regulation, and safety.

Filtration↗
PubMed1976

Resection of aortic arch aneurysm: a simplified technique.

Aortic arch aneurysm has long been considered one of the most serious diseases in the circulatory system, and its resection is associated with great technical difficulties and hazardous consequences. Temporary shunts created with multiple graft anastomoses, deep hypothermia, progressive insertion of the graft, and cardiopulmonary bypass have been used to facilitate resection of the aneurysm at this vital segment of aorta. However, all of these techniques have certain disadvantages. To circumvent these disadvantages, we are proposing a simplified technique of external shunting combined with a permanent bypass graft. This method was used successfully in resection of a syphilitic aneurysm of the transverse aortic arch. The new technique is simple and easy to set up, and it greatly facilitates resection and graft replacement of the aneurysm. Because it does not require a pump oxygenator for bypass, it eliminates the postoperative blood coagulation problem. This technique is considered to be applicable in resection of aneurysms of the descending thoracic aorta as well.

Aorta, Thoracic↗
PubMed1975

[Diastolic reinforecement by intra-aortic balloon. Critical review of temorary mechanical ventricular assistance technic].

The treatment of the cardiogenic shock complicating acute myocardial infarction has been drastically improved by the progress in temporary mechanical cardiovascular support. The improvement of the synchronous assist device, such as the intra aortic balloon, associated with the progress in the monitoring of the patients, in the surgical treatment of myocardial insufficiency and ventricular abnormalities such as ventricular septal defect and mitral insufficiency, has changed the seroius prognosis in patients. A review of some theretical, physiological and clinical problems are discussed in this paper.

Aorta, Thoracic↗
PubMed1977

[Multiple organic replacement in intensive care medicine seen from anaesthesiological view (author's transl)].

Additional effective methods have to be studied for in order to improve further the treatment of life threatening conditions which are accompanied by reversible breakdown of organic functions. The development and the recent state of different technical and biological replacement functions are presented and their advantages and disadvantages are described. Temporary multiple organic replacement (lung, kidney, liver) by way of peripheral vessels offers a therapeutic procedure capable of development. This procedure is based on the knowledge that in different endogenous and exogenous intoxications, and also after shock symptomatology generally, several vital functions are simultaneously disturbed or become acutely insufficient. This coincidental breakdown requires a simultaneous, effective, multilateral therapy. First partial successes by means of equipment for multiple organic replacement are critically analysed and conclusions for further improvement of its function are discussed.

Artificial Organs↗