Canadian Anaesthetists’ Society Journal

, Volume 24, Issue 4, pp 491–504 | Cite as

Simple deep hypothermia for open heart surgery in infancy

  • Reiji Wakusawa
  • Shigeji Shibata
  • Kazutoshi Okada


Results of open cardiac surgery under deep simple hypothermia in 121 infants with body weight of less than 10 kg are reported. Deep ether anaesthesia combined with large quantities of ganglion blocking agents (triflupromazine 3 mg/kg) constitutes the anaesthetic management of choice for deep surface-induced hypothermia. The mean lowest oesophageal temperature was 20.8° C, and 18.9° C rectally. The mean circulatory arrest time was 40 minutes. Seventeen infants ( 14.0 per cent) died post-operatively. There were no operative deaths attributable to failure of cardiac resuscitation.

This technique widens the scope of open heart surgery in small infants. Most of the surgically correctable malformations should be operable by this method. More than the potential hazards of hypothermia, which we believe are solved by our technique, the major problem posed by surgery in these small infants is the trans and post-operative respiratory management.


Ventricular Septal Defect CANADIAN Anaesthetist Circulatory Arrest Small Infant Deep Hypothermia 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Les auteurs rapportent leur expérience de 121 enfants de moins de 10 kilos ( poids moyen: 7.8 kilos), opérés à cœur ouvert, sous hypothermie profonde, au cours des huit dernières années. Quatre-vingt-un de ces enfants étaient de moins ďun an (âge moyen: 12.3 mois).

Ces enfants ont été opérés sous C.E.C., en hypothermie profonde permettant des arrêts circulatoires de 14 à 77 minutes (moyenne: 40 minutes 20 secondes).

Ľhypothermie était produite par immersion en bain ďeau glacée sous ânes thésie profonde à ľéther et sous protection de bloqueurs sympathiques à hautes doses. La moyenne des températures œsophagiennes atteintes se situait à 20.8° C, et celle des températures rectales à 18.9° C.

Aucun décès n’est relié à des causes anesthésiques ou à la réanimation du myocarde. Cependant, les soins post-opératoires respiratoires ont influencé significativement le pronostic. Dix-sept enfants (14 pour cent) sont morts en post-opératoire. p ]Les auteurs concluent que ľhypothermie profonde est une méthode simple pour la chirurgie ouverte des tout jeunes enfants.


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Copyright information

© Canadian Anesthesiologists 1977

Authors and Affiliations

  • Reiji Wakusawa
    • 1
  • Shigeji Shibata
    • 1
  • Kazutoshi Okada
    • 1
  1. 1.Department of AnesthesiologySchool of Medicine, Iwate Medical UniversityMonoicaJapan

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