National Carbon Monoxide Poisoning Surveillance Framework and Recent Estimates
Centers for Disease Control and Prevention, National Center for Environmental Health, Division of Environmental Hazards and Health Effects, Air Pollution and Respiratory Health Branch, Atlanta, GA. Public Health Reports
(Impact Factor: 1.55).
Unintentional, non-fire-related (UNFR) carbon monoxide (CO) poisoning is a leading cause of poisoning in the United States. A comprehensive national CO poisoning surveillance framework is needed to obtain accurate estimates of CO poisoning burden and guide prevention efforts. This article describes the current national CO poisoning surveillance framework and reports the most recent national estimates.
We analyzed mortality data from the National Vital Statistics System multiple cause-of-death file, emergency department (ED) and hospitalization data from the Healthcare Cost and Utilization Project's Nationwide Emergency Department Sample and Nationwide Inpatient Sample, hyperbaric oxygen treatment (HBOT) data from HBOT facilities, exposure data from the National Poison Data System, and CO alarm prevalence data from the American Housing Survey and the National Health Interview Survey.
In the United States, 2,631 UNFR CO deaths occurred from 1999 to 2004, an average of 439 deaths annually. In 2007, there were 21,304 (71 per one million population) ED visits and 2,302 (eight per one million population) hospitalizations for confirmed cases of CO poisoning. In 2009, 552 patients received HBOT, and from 2000 to 2009, 68,316 UNFR CO exposures were reported to poison centers. Most nonfatal poisonings were among children (<18 years of age) and females; hospitalizations and deaths occurred more frequently among males and elderly people (>65 years of age). More poisonings occurred during winter months and in the Midwest and Northeast.
UNFR CO poisoning poses a significant public health burden. Systematic evaluation of data sources coupled with modification and expansion of the surveillance framework might assist in developing effective prevention strategies.
Available from: Erin L Pulster
- "Hospitalization rates for unintentional, non-fire related, poisonings decreased by approximately 50% between 1993 and 2007. Decreases have been correlated to the increased number of homes with working CO monitors, and the reduction of CO content in vehicle emissions with the introduction of catalytic converters (Iqbal et al., 2012; Hampson, 2005 "
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ABSTRACT: Target organ(s): Lungs, blood, central nervous system, car-diovascular system Occupational exposure limits: OSHA PEL: 50 ppm (55 mg/m 3) 8 h TWA, 200 ppm (229 mg/m 3) STEL; ACGHI TLV: 25 ppm (29 mg/m 3) TWA; NIOSH REL: 35 ppm (40 mg/m 3), 200 ppm STEL; NIOSH IDLH: 1200 ppm Risk/safety phrases: Flammable gas, incompatible and reactive with strong oxidizers, bromine trifluoride, chlorine trifluoride, lithium BACKGROUND AND USES
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ABSTRACT: Carbon monoxide (CO) poisonings in the United States consistently occur when residents improperly use portable gasoline-powered generators and other tools following severe storms and power outages. However, protective behaviors—such as installing CO alarms and placing generators more than 20 feet away from indoor structures—can prevent these poisonings. This study identified knowledge, attitudes, and beliefs that lead consumers to adopt risk and protective behaviors for storm-related CO poisoning and post-storm generator use. Four focus groups (32 participants in total) were conducted with generator owners in winter and summer storm-prone areas to explore home safety, portable generator use, CO poisoning knowledge, and generator safety messages. Discussions were transcribed, and findings analyzed using an ordered meta-matrix approach. Although most generator owners were aware of CO poisoning, many were unsure what constitutes a safe location for generator operation and incorrectly stated that enclosed areas outside the home—such as attached garages, sheds, and covered porches—were safe. Convenience and access to appliances often dictated generator placement. Participants were receptive to installing CO alarms in their homes but were unsure where to place them. These findings suggest a deficit in understanding how to operate portable generators safely and a need to correct misconceptions around safe placement. In terms of behavioral price, the simple installation and maintenance of inexpensive CO alarms may be the most important strategy for ultimately protecting homes from both storm-related and other CO exposures.
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