Intrathoracic surgical procedures of the greatest complexity are performed today in most large hospitals throughout the world, and the number of such procedures is increasing steadily from year to year. One of the major reasons for this increase lies in the increasing availability of anesthesiologists.
There is probably no major field of anesthesiology which requires as much knowledge and skill as the one dealing with anesthesia for thoracic surgery. The physiological and pathological problems encountered in this specialized area are distinct and highly complex. The respiratory and circulatory complications, both during and following the surgical procedure, are frequently of grave prognostic significance, and the role of the anesthesiologist in the prevention and treatment of these complications can hardly be overemphasized.
In view of such increasing interest in anesthesia for thoracic surgery, it would seem pertinent to present the information obtained and the observations made in connection with the administration of