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Biomedical subjects

L Ornehult

Publications and source records attributed to L Ornehult.

6 recordsLinked to original sources

Human fatalities caused by wasp and bee stings in Sweden.

Bee and wasp stings represent an uncommon cause of death. In a retrospective study of all fatalities due to venomous animals in Sweden during a 10-year-period, we found 19 fatalities due to wasps, 1 due to bees but none due to snake bite. This gives an annual incidence of 0.2 per million inhabitants. Most of the deceased were older than 50 years and had an underlying cardiovascular disease while previous severe reactions after insect stings were uncommon. The number of stings was not a factor of importance. Symptoms and death occurred within minutes after the sting. The autopsy findings were in most cases non-specific. Although uncommon, the possibility of a fatal insect sting should be considered in unwitnessed deaths occurring outdoors in summertime.

Adult

Injuries caused by animals.

Injuries caused by animals and treated at the University Hospital of Umeå were analysed. Dogs caused nearly one-half of the injuries, while horses caused one-third of the injuries and the highest number of fractures. The 'cost' of treatment and sickness benefit was fairly evenly distributed between horse-, cattle-, and dog-related injuries. The average 'cost' per injured person was, however, highest in those injured in cattle accidents and moose-car collisions. The impact of animal-related injuries on the health care and social security systems was similar to occupational accidents and car accidents in several respects.

Acute Disease

Fatalities caused by nonvenomous animals: a ten-year summary from Sweden.

All 58 deaths caused by nonvenomous animals in Sweden 1975-1984 were scrutinized. In 38 cases horses were involved, in 16 cattle and in one case each a moose, a lion, a dog and a ram. In the horse-related fatalities, the most common cause of accident was that the horse bolted or reared, causing the rider to fall off the horse or the cart or sulky. Falls were thus associated with 22 horse-related deaths. In cattle-related accidents, all fatalities where the cause of accident was known occurred due to aggressive behaviour of the animal. In horse-related accidents, head injuries dominated, while in cattle-related accidents head and chest injuries were equally common. It is suggested that wearing a proper helmet is the most important safety measure in horse-related activities. In cattle-related activities, the herding of untethered bulls together with cows is particularly dangerous and should be avoided.

Adolescent

Death by lightning.

Deaths from lightning injuries are infrequent, amounting to 0.2-0.8 per million people per year, and are associated with climatologic conditions. The victims are mostly young, active people who are struck during various outdoor activities during the summer months. Even though many people can be struck by the same bolt of lightning, multiple casualties are uncommon. Among the fatalities, various types of skin burns are regularly present, often at an entry site on or near the head, and at an inferiorly located exit site. These skin injuries often consist of superficial burns and singed hair; deep burns and charring are uncommon. Arborescent skin marks seem to occur less frequently. Internal findings at autopsy are nonspecific.

Adolescent

Fatal firearm accidents in Sweden.

According to Swedish law, it is prohibited to possess and use firearms without a special permission (license), which is given only after a detailed personal investigation. This restrictive legislation accounts for the fact that deaths due to firearms in Sweden are rare in an international comparison. The number of accidental firearm fatalities in Sweden is 0.074/100,000 living persons. We have previously published a series of accidental firearm fatalities during hunting, and now we present an investigation on the non-hunting fatalities. The mean age of the victims was 27 years, and males predominated. Handguns, military rifles, and shotguns caused most of the accidents. The first published case of fatal thoracic airgun wound is also included. Slightly more than half of the accidents were caused by another person and were inflicted at close range. Unsafe handling of the guns, especially "playing" with the gun or during military training caused most of the accidents. It is doubtful that one could further decrease the low number of fatal firearm accidents in Sweden by even more restrictive legislation. Instead, it is concluded that the most important factor to stress is the safer handling of weapons.

Cross-Sectional Studies

Accidental firearm fatalities during hunting.

Swedish legislation concerning firearms is highly restrictive. It is illegal to possess weapons (except airguns) without a license. From 1970 through 1982, there were 79 accidental firearm fatalities in Sweden. This number, corresponding to 0.074/100,000/year, is very low in comparison with similar statistics worldwide. Of these fatalities, 47 were associated with hunting and were studied carefully. Despite an increase in both the popularity of hunting and in licensing of weapons, on change in the number of accidents per year could be confirmed. Twenty-nine accidents occurred during small game hunting, of which 24 involved shotguns, and 18 occurred during moose hunting. The mean age overall was 46 years. All victims and shooters were men. Most accidents occurred before noon and during the autumn. During moose hunting, the victim most commonly was either mistaken for game or was standing beyond game. During small game hunting, the most common reason for death was improper handling of the weapon. Firing of defective weapons caused at least 10 fatal accidents. Alcohol inebriation was uncommon. It is unlikely that more restrictive firearm legislation would further decrease the number of fatal accidents. Instead, we believe that accidental firearm fatalities during hunting can be prevented by safer and more careful handling of weapons, including unloading weapons before transporting them; by replacing older weapons with more modern and safer ones; and by not allowing children to handle weapons. No shots should be fired until it is clarified that the target really is a game animal, and when hunting with rifles, the fields of fire should be clarified beforehand. Shooters at stand must be instructed not to leave their stands until explicitly told to do so.

Accident Prevention