PubMed Health⌕ Search

Biomedical subjects

A Maire

Publications and source records attributed to A Maire.

9 recordsLinked to original sources

[Dependence, abuse and misuse of drugs: knowledge and attitudes of private physicians in the Ile-de-France].

BACKGROUND: The rise in drug consumption and poorly adapted prescription practices are currently a growing problem. In the face of this trend, "L'Union Professionnelle des Médecins Libéraux d'Ile-de-France" investigated the awareness and the attitude of physicians towards drug dependency, abuse and misuse. METHODS: One hundred physicians and 50 specialists, randomly selected, were contacted by phone. They were asked to give their own description of dependency, abuse and misuse based on patients' attitudes. They were to describe cases of their patients classifying them according to each category. In the second part of the phone interview, the physicians were to give their view about existing and potential tools to solve these problems. RESULTS: Dependency, abuse and misuse problems were well known and frequent: 94% of physicians have such experience and among those, 60% saw such a patient more than once a week. The population concerned by these problems were generally middle-aged women with chronic disease. Misuse behavior was less easily identified (53% of the physicians described such patients). They generally concerned young men, most often drug addicts. From a global point of view, psychotropes were the most frequently misuse drugs, followed by the pain drugs and nsaids. These types of drugs are used routinely, some of them being sold without prescription. Diseases concerned were essentially psychiatric disorders, sleeping troubles and long lasting pains well classified. To face these problem, physicians recommend a dialogue between medical members and patients as well as a changing in professional (physicians and pharmacists) behavior such as firmness, education and listening. CONCLUSION: Situations evoked during the survey were frequent but non systematically discerned as damageable. As a matter of fact, these observations are only a piece of an "intuitive" estimation of the risk versus benefit of the prescription of the drugs mentioned above. Actual regulation and control tools seem to be somewhat irrelevant to solve the problem.

Adult↗

The residual effect of temephos (Abate 4-E) on nontarget communities.

The impact of mosquito control on nontarget organisms using Abate-4-E was investigated in terms of immediate mortality and residual activity. Three 10 year old, man-made ponds having similar community structures and population densities were studied. The residual activity, determined by bioassays with 4th instar Aedes communis, was significantly longer in a relatively cooler pond. Populations of copepods and Cladocera took longer to return to control densities in that same pond. The role played by the physicochemical characteristics of the pond water as well as the intrinsic susceptibility and recovery capacity of the populations considered are discussed.

Aedes↗

Effect of axenic larvae on the oviposition site selection by Aedes atropalpus.

Axenic rearing of Aedes atropalpus was performed from previously sterilized eggs to pupae in sterile 2500-ml culture flasks containing 500 ml of sterile culture medium. The larval density in the axenic rearing waters was approximately 500 larvae/liter. A series of experiments was conducted using respectively 6-, 9-, 12- and 19-day old axenic larval rearing water. All these tested waters were significantly preferred by the Ae. atropalpus females. Sterile, distilled water was also significantly attractive after only 48-hr immersion of axenic fourth-instar larvae. An axenic larval rearing water with higher larval density (900 larvae/liter) was however repulsive. The last experiment presents evidence for blocking of the attractant effect at high larval densities.

Aedes↗

[Selectivity of female mosquitoes (Culicidae) for their sites of oviposition: state of the question].

Factors and mechanisms governing selection of oviposition sites, in natural conditions, by female mosquitoes, are not well known. Laboratory tests show that a large number of very diverse environmental factors can attract or stimulate females to oviposit at a particular site (biophysical parameters, microorganisms, decomposing organic matter of different types). Pheromones produced by eggs, larvae or nymphs, depending on genera and species, seem to play an equally active role. A critical review of the main works as well as an account and a prospective of current knowledge in this field are presented and discussed.

Animals↗

Activity of California encephalitis group viruses in Entrelacs (province of Quebec, Canada).

During the summer of 1979, indicator rabbits were placed in three sites in Entrelacs (Laurentian area, province of Quebec) and mosquitoes were collected in order to monitor arbovirus activity in the area. Eight seroconversions to California encephalitis (CE) group viruses were detected in rabbits during June, July, and August. Twenty-five strains identified as members of the CE group were isolated: 3 were obtained from viremic rabbit sera, 1 from adult Aedes communis reared in the laboratory from field-collected larvae, and 21 from mosquito pools. Twenty-two of these were typed as snowshoe hare (SSH) virus. No evidence of La Crosse (LAC) virus was detected but three strains belonging to the CE group showed antigenic properties different from reference SSH, LAC, or Jamestown Canyon (JC) viruses. One isolate identified as Flanders virus was obtained from Culex pipiens. Three mosquito species (A. communis, A. punctor, and A. excrucians) were involved in the transmission cycle of SSH virus in Entrelacs. This is the first report, in the province of Quebec, of SSH isolation from animal sera and the first demonstration of its transovarial transmission.

Animals↗