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Biomedical subjects

E Darre

Publications and source records attributed to E Darre.

At least 19 recordsLinked to original sources
PubMed1999

The influence of previous low back trouble, general health, and working conditions on future sick-listing because of low back trouble. A 15-year follow-up study of risk indicators for self-reported sick-listing caused by low back trouble.

STUDY DESIGN: A 15-year follow-up study. OBJECTIVE: To find risk indicators for self-reported sick-listing because of low back trouble and to evaluate which variables were the most important indicators of work incapacity resulting from low back trouble during the follow-up period of 15 years. SUMMARY OF BACKGROUND DATA: The initial data were obtained from a health survey conducted in a general population from the Municipality of Glostrup, Denmark. The follow-up data included information from the Central Person Register, the Early Retirement Pension Register, and a postal questionnaire regarding self-reported sick-listing because of low back trouble. METHODS: An epidemiologic study, in which logistic regression analyses were used for evaluation of the data. The model used consisted of the variable in question, age, gender, and previous experience of low back trouble, along with interactions. RESULTS: It was found that 22 of 37 variables were risk indicators for later self-reported sick-listing because of low back trouble during the preceding year or the 7 years before the date of follow-up evaluation. In analyzing the most significant variables simultaneously, it was found that information from the initial investigation about sick-listing in general during the previous 10 years, sciatic pain, use of analgesics for low back trouble, previous sick-listing because of low back trouble, and occupation were the most important risk indicators for self-reported work incapacity resulting from low back trouble during the follow-up period of 15 years. CONCLUSION: Findings showed that the strongest prognostic indicators of later sick-listing because of low back trouble involve information from the person about previous sick-listing behavior in general and previous experience of low back trouble episodes, especially if these had been accompanied by sciatic pain, use of analgesics, or previous low back trouble sick-listing.

Adult↗
PubMed1992

Breathing zone concentrations of methylmethacrylate monomer during joint replacement operations.

By use of a methylmethacrylate (MMA) Dräger tube and bellow bump, the breathing zone concentrations of MMA monomer were measured for the operating surgeon during cementation of the components of hip and knee joint prostheses. The highest recordings (50-100 p.p.m.) were encountered during cementation of the acetabular cups with conventional polymethylmethacrylate cement. Such exposure could be eliminated by the use of personal protection equipment, local punctual field suction or change to a MMA/n-decylmethacrylate/isobornylmethacrylate bone cement.

Air Pollutants, Occupational↗
PubMed1989

Non-elite marathon runners: health, training and injuries.

A questionnaire was given to all participants of the Wonderful Copenhagen Marathon 1986 regarding demographic information, health, training, previous injuries and methods used to prevent these. A total load of 2158 Danish runners participated and 1426 (68 per cent) replied. Fifty per cent of the runners were training 30-60 km per week and 25 per cent more than 60 km per week. Forty-one per cent were members of running clubs. The runners were equally distributed between all social groups. Most runners were slim (mean BMI 22.3 +/- 1.87 (SD)), healthy, non-smokers who rarely suffered from serious injuries, but 31 per cent had had injuries that prevented them from training during the last year. Nearly all performed stretching exercises and methods to avoid injuries. Fifty per cent of the runners tried to optimize their performance by changing their diet in the days before the run. Seventeen per cent used the classical high carbohydrate diet and 33 per cent other special diets.

Adolescent↗
PubMed1988

The elite marathon runner: problems during and after competition.

Two questionnaires were given to the participants of the Danish national marathon championship to obtain information on health, training habits, previous injuries and the medical problems sustained during and after the competition. All 60 participants replied to both questionnaires. The elite runner is training between 90-150 km per week, using one daily training session. He is generally careful about stretching and warming up and down. Forty-three per cent of runners sustained injuries in the last year that prevented them from training, but only 3% needed to stay off work. The most common reasons for not completing the race were exhaustion and injuries to the lower extremities. Sixty-one per cent of the runners who did not drink at all refreshment stations dropped out, whereas only 27% of those who did dropped out. There was no difference in relation to results or medical problems between the group who used a special diet before the run and those who did not. The major medical problems were gastrointestinal disturbances, skin lesions and pain or cramps in the lower extremities. No serious injuries were reported.

Adolescent↗
PubMed1988

A method to determine methylmethacrylate in air.

To determine the air concentrations of methylmethacrylate monomer and thus obtain information about the safety in the operating theater, a methylmethacrylate Dräger tube was used in connection with a bellows pump. This method gives an instantly readable value correlated with more complicated gas chromatographic measurements.

Air Pollutants, Occupational↗
PubMed1987

Skin protection against methylmethacrylate.

Ordinary surgical rubber gloves are penetrated by methylmethacrylate monomer (MMA) in less than 1 minute, as demonstrated by gas chromatographic measurements. A three-layered PVP glove, 0.07 mm thick--consisting of an outer layer of polyethylene, an intermediary layer of ethylene vinyl alcohol copolymer, and an inner layer of polyethylene--was impervious for 20 minutes, whereas a viton-butyl rubber glove, 0.27 mm thick, was impervious for 15 minutes. The PVP glove is recommended to orthopedic surgeons, nurses, and other handling acrylic bone cements to avoid sensitization, and is especially recommended to persons with known contact allergy to MMA.

Bone Cements↗
PubMed1987

Mustard gas: clinical, toxicological, and mutagenic aspects based on modern experience.

Based on a study of the literature and our own experience treating fisherman poisoned by mustard gas, this article outlines the clinical effects, and toxicological and mutagenic properties of the agent. Mustards are very persistent chemical agents that easily penetrate clothing. Mustard gas usually causes clinical symptoms after the liquid penetrates the skin or the vapor is inhaled. Skin lesions are similar to first- or second-degree burns and usually heal spontaneously in 4 to 6 weeks. Eye symptoms are photophobia and reduced vision. Following inhalation of the agent, pulmonary edema and long-term dyspnea may be seen. As mustard gas is an alkylating substance, it is conceivable that the risk of developing cancer may be increased, as observed in people who were involved with the production of mustard gas and in animals exposed to the gas. Also, transient significantly increased sister chromatid exchange rates have been found in fishermen exposed to mustard gas. Patients exposed to mustard gas must be treated immediately after exposure. Treatment should consist of cleaning of the exposed skin and clothes with an antigas powder and water and soap. The skin lesions should be treated as burns. Eye lesions and respiratory problems should be treated symptomatically.

Eye Diseases↗
PubMed1986

Effects of prematurity and dysmaturity on growth at age 5 years.

Forty-two term and 106 preterm appropriate for gestational age (AGA), and 43 term and 31 preterm small for gestational age (SGA) children were observed from birth to age 5 years. Parents' weight and height were also measured in 193 subjects including 97 couples. The percentage of short children was higher in SGA (17%) than in AGA (3.4%) children (P less than 0.01). This difference was significant in the preterm but not in the term children, suggesting that early failure of growth in utero can result in reduced growth in children. The findings were similar for weight and head circumference, but microcephaly was more frequent in term SGA (30%) than in preterm SGA (6.4%) children (P less than 0.05), suggesting that late impaired growth in utero can result in poor growth of the head. Height at the age of 5 years correlated with the parents' height only in AGA children, and with length at birth in SGA children. Weight of the 5-year-old children correlated with the mother's weight only in AGA children. Multivariate analysis in 66 couples and their children confirmed a greater tendency toward the influence of parental factors in AGA children and a more significant relationship with perinatal factors in SGA children.

Birth Weight↗