PubMed · 11383237
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M S Cune, J W Verhoeven, A van Luijk. 2000. [Bite, swallow, away?].. https://pubmed.ncbi.nlm.nih.gov/11383237/
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Chemical accidents often lead to negative consequences for the environment. Preparedness and proper actions are, therefore, essential components in order to minimise environmental effects. To assist and facilitate this work, a proposed planning tool, the environment-accident index (EAI), was formulated by Scott [J. Hazard. Mater. 61 (1998) 305]. As a result of a first validation of the index, based on 21 chemical accidents, the database was complemented with 42 additional accidents covering a broader spectrum of chemicals. The additional accidents were collected by means of an inquiry and their environmental consequences are, so far, unknown. The collected data had an overrepresentation of accidents involving petroleum products (69%). Because of the overrepresentation of this group of chemicals in the material, the data was skewed with respect to chemical properties. Since the model should be valid for a variety of chemical accidents, a method was needed which enabled a proper and unbiased selection of a representative subset of accidents to be used in development and validation of the model. For this purpose, the possibility to use multivariate data analysis in combination with statistical design was investigated. The result showed the feasibility of this method in the selection of a representative subset from a complex and skewed large dataset. Within the new dataset, 53% were accidents involving petroleum products and 47% involved other chemicals. The selected accidents will be used in further work to evaluate the environmental consequences, for model development and model validation.
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BACKGROUND: An increase in fatal accidents in helicopter ambulance missions in Norway has put focus on the guidelines for use. METHODS: Ambulance records from the physician-staffed SeaKing rescue helicopter in Bodø, Northern Norway, from 1988 to 1998 were analysed retrospectively. RESULTS: 2,498 ambulance missions carried 2,590 patients. Median time to lift-off was 29 minutes, and one-way median flying time was 26 minutes. Four local communities with a total of 12,000 residents (6.3% of the population served by the helicopter) ordered 70% of the missions. 35% of the patients suffered from cardiovascular disease, 12% were in labour, 3.2% were seriously traumatized, while 20% had minor injuries. A total of 107 patients (4%) received advanced pre-hospital emergency treatment. Thirty-eight (1.5%) were intubated and received cardiopulmonary resuscitation, of whom two survived to discharge. Over a period of 11 years, 53 patients were intubated by the anaesthesiologist. Oxygen or intravenous lines as the only treatment effort were given to 72%. INTERPRETATION: It takes about an hour to reach remote locations by rescue helicopter. A substantial amount of the transports could have been carried out by ground ambulance without loss of health benefit. We question the need for an on-board anaesthesiologist.