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Results for “Heart-Lung Machine”

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At least 127 records · Page 7Linked to original sources
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↗
PubMed1976

[The prognosis of the transitory disturbances of av-conduction following cardiac surgery (author's transl)].

Out of 2250 cases with open heart surgery 106 patients were examined because of disturbances of av-conduction in the Department for Cardiology of the Childrens Hospital of the University of Göttingen. 38, 7 percent of all av-conduction disturbances have persisted, whereas 61, 3 percent were reversible. Especially the ventricular septal defects, the tetralogy of Fallot and the endocardial cushion defects are discussed. These lesions are predisposed for postsurgical av-disturbances because they are near to the av-conduction tissue. In this paper it has been demonstrated that the av-conduction disturbances, which last for more than one week, have only a little chance to return to sinus rhythm. Those which endure more than four weeks, will persist. The longer the av-conduction disturbances are lasting, the less is the possibility for restitution of sinus rhythm.

Adolescent↗
PubMed1976

Platelets, foreign surfaces, and heparin.

These studies clearly indicate that heparin has 2 antagonistic effects in this platelet-foreign surface interaction; it acts directly on platelets to increase retention, while acting on the foreign surface to reduce platelet retention, perhaps by competing for cationic sites. This study also suggests that it is unlikely that heparin bonding confers reduced surface thrombogenicity by virtue of the ability to leach off that surface and that further studies in heparin bonding or other surface modification should consider the antiplatelet effect which can easily be studied in vitro.

Blood Platelets↗
PubMed1976

Extracorporeal membrane oxygenation (ECMO) cardiopulmonary support in infancy.

We have used prolonged extracorporeal membrane oxygenation (ECMO) in the treatment of 13 moribund infants (including 9 neonates), with 4 survivors (3 neonates). Successfully treated cases include post-operative cardiac failure, infant respiratory distress syndrome, massive meconium aspiration, and persistent fetal circulation. All cases have been managed with veno-arterial bypass at flow rates of 80-100 cc/Kg/min. Carotid cannulation for arterial access and careful control of heparin anticoagulation based on whole blood activated clotting time are among the techniques which have contributed to this success. Progressive pulmonary or cardiac failure has been the major problem in older infants, intracranial bleeding is the major problem in neonates. Both of these problems could be minimized by instituting ECMO earlier in the clinical course, but this awaits development of reliable early predictors of mortality.

Blood Coagulation↗