The Annals of Thoracic Surgery, Vol 32, 260-272, Copyright © 1981 by The Society of Thoracic Surgeons
Surgical treatment of aneurysms of the transverse aortic arch: experience with 25 patients using hypothermic techniques
DA Cooley, DA Ott, OH Frazier and WE Walker
Surgical treatment of aneurysms of the transverse aortic arch has been a
challenge to cardiovascular surgeons. The problems include protection of
the brain and spinal cord from ischemic or embolic injury, prevention of
hemorrhage and coagulopathy, and prevention of myocardial damage during
prolonged extracorporeal circulation. Two methods are described. Group 1
included 20 patients in whom deep hypothermic conditions were induced (12
degree to 16 degree C) followed by circulatory arrest and partial
exsanguination. In this group a 50% hospital mortality occurred. Patients
in Group 2 underwent moderate induced hypothermia (24 degree to 26 degree
C) with continuous cerebral perfusion during the period of peripheral
circulatory arrest. Four of 5 patients survived this technique, leading us
to believe this method is preferred over the deeper levels of hypothermia.
A method of preclotting the Dacron graft with platelet-rich plasma and
autoclaving is described. It has eliminated interstitial bleeding through
fabric grafts.
