Articles: anesthetics.
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Anesthesia and analgesia · Jan 1981
Comparative StudyCauses of death among anesthesiologists: 1930-1946.
The causes of death among anesthesiologists from 1930 through 1946 were determined and compared to the causes of death for contemporaneous physicians as well as anesthesiologists in later eras. Names of US white male anesthesiologists listed in the annual Directories of Anesthetists compiled by the International Anesthesia Research Society were searched for in the death files of the American Medical Association. Among those listed in the Directories 274 deaths were located. ⋯ Anesthesiologists practicing in the earlier part of this century had lower death rates and they were less likely to die of malignant neoplasms than contemporaneous white men. The death rates for these anesthesiologists were similar to those for anesthesiologists during 1947-1956, but greater than rates observed for anesthesiologists during 1957-1971. This suggests that exposure to the fluorinated anesthetic agents introduced in the mid-1950s may not be an important health hazard.
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Int Anesthesiol Clin · Jan 1981
ReviewRespiratory and cardiovascular responses to hypoxemia and the effects of anesthesia.
The normoxic ventilatory drive contributes to the normal level of ventilation, and the hypoxic ventilatory drive contributes to the maintenance of adequate gas exchange in the presence of ventilation/blood flow maldistribution and increased mechanical load to breathing. This respiratory drive arises principally from stimuli at the carotid chemoreceptors. The reflex cardiovascular responses to hypoxia also contribute to the delivery of O2 to vital organs, and their efficacy depends on the integrity of the respiratory response and the autonomic nervous system as well as the function of the vascular system. ⋯ Hence the patient in the perioperative period continues to have impaired respiratory response to hypoxemia. As anesthetic and surgical care extends to older patients, patients with systemic disease, and recipients of cardiovascular peripheral and central drugs, the clinical implications of the impairment of ventilatory and cardiovascular responses to hypoxia, and the maintenance of organ and system function, escalate. Only a few hesitant steps have been taken into this vast arena of clinical and experimental research.