Guest Editorial, AANA Journal, October 1990
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چکیده
Figure 1 Atmospheric layers environment. We learned that scientists now estimate 3-5% of the ozone layer, which protects us from exposure to ultraviolet rays, has been destroyed by chlorofluorocarbons (CFCs), increasing our risk of cataracts and skin cancer.' (See Figure 1.) But what about the volatile anesthetic agents, hydrochlorofluorocarbons (HCFCs), which closely resemble the CFCs? Are these gases also contributing to the destruction of the ozone layer? We were reminded that "greenhouse gases" such as carbon dioxide (CO 2), methane (CH 4 ), nitrous oxide (N 20) and ground level ozone prevent escape of infrared radiation, trapping heat close to the earth's surface and contributing to global warming.2 Does the quantity of N20 used in anesthetics around the globe make a significant contribution to this greenhouse effect? Our attention was focused on beach wash-ups of medical waste resulting from ocean dumping, which became common practice as landfills closed. How does the volume of garbage generated from disposable products in operating rooms impact on the environment, and what kind of health risks are created because of infectious waste material? And what about occupational hazards associated with waste gases, radiation, lasers and chemicals in our operating rooms? Answers to these questions give us a better understanding of how our workplace affects our personal health and the health of our global environment.
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