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At least 19 recordsLinked to original sources
PubMed2003

Seasonal variation in the frequency of abnormal anaphases and mitotic index values in wild populations of herb-Paris (Paris quadrifolia L., Trilliaceae): implications for genetic monitoring.

The main aim of our study was to investigate seasonal variation in the frequency of abnormal anaphases and mitotic index values in wild populations of herb-Paris (Paris quadrifolia L., Trilliaceae). Plant material was collected in the year 2000 in Norway and in the year 2001 in Lithuania. There was statistically significant variation in the mitotic index values (chi(2)=1087.9, d.f.=16, P<0.0001) with the highest values during the active growth period in May and the lowest values at the end of vegetation period in September. Seasonal variation in the frequency of abnormal anaphases was statistically significant as well (chi(2)=28.23, d.f.=16, P=0.0297). The most frequent type of anaphase abnormality was vagrant chromosomes (64.2%) followed by bridges (28.6%), fragments (3.6%), sticky chromosomes (2.4%) and multipolar anaphases (1.2%). During the fieldwork, quite deep late frosts occurred. Mitotic index was lower in the plants collected immediately after the frosts or 1 week later than in the plants sampled before the frosts (52+/-13 and 123+/-15, respectively, P=0.0014). On the contrary, frequency of abnormal anaphases was statistically significantly elevated (P=0.0082) in plants after the frosts (6.35+/-1.54%) when compared to plants before the frosts (2.49+/-0.56%). Our results clearly indicated significant variation in the mitotic index values and frequency of abnormal anaphases in the wild populations of herb-Paris during the growth season. This variation may be related to the physiological conditions of the analysed plants as well as to certain ecological factors.

Anaphase↗
PubMed1999

Hepatitis A among health workers in Paris hospitals. Occupational Health Physicians of Paris Hospital (AP-HP).

To design a vaccination strategy against hepatitis A among hospital employees, we carried out a serological survey of hepatitis A virus (HAV) infection in 10 university hospitals in the Paris area. Subjects under 60 years of age were consecutively enrolled by occupational health services and tested for IgG to HAV by ELISA. Of the 1,516 subjects recruited, 926 were health workers (HW), 322 clerks, and 268 cooks or kitchen employees. Among HW and clerks the HAV seroprevalence was 53.8% (95% CI: 44.0-65.6), increasing with age and being higher among employees of African or Caribbean origin than those from Europe (83.6% vs 45.6%, P < .001). Age correlated closely with the duration of hospital work, so only age was taken into account for further analysis. The HAV seroprevalences among HW and clerks originating from Europe were close (46.8% vs 42.6%) and remained so after adjustment for age. HAV seroprevalences in HW caring for adults and those caring for children were also similar (45.2% vs 40.1%). Seroprevalence was higher in assistant nurses than in nurses (51.3% vs. 39.8%, P < .02). Among cooks and kitchen employees, 53.4% were HAV-seropositive. This study shows that hospital employees need not routinely be vaccinated against HAV; the decision should be taken by the occupational physician according to the type of work, but should be routine for cooks and kitchen employees. The need for prevaccinal screening for anti-HAV should be assessed in the light of employees' geographical origin and age.

Adult↗
PubMed1990

Cost-effectiveness of HIV screening of pregnant women in hospitals of the Paris area. The Paris-Tours study group of antenatal transmission of HIV, Group '9 maternites'.

In the context of an epidemiologic multicentric study about perinatal transmission of HIV, screening was systematically proposed to all pregnant women attending nine maternities clinics of the Paris region (n = 7600, between August 1987 and July 1988) at their first prenatal visit. Among them, 2145 had already been tested and 45 were known to be HIV positive. So, 5660 tests were performed during the first 6 months (period 1), and 17 pregnant women were discovered to be positive. The total cost of screening has been estimated between FF. 720,000 and 775,000, resulting in a mean cost per pregnant woman found to be HIV positive of about FF. 42,000 to 45,000. A similar calculation over the following 5 months (period 2) gave a mean cost of between FF. 165,000 and 178,000. Since the women, before being screened, had to answer a short questionnaire about risk factors; cost and effectiveness of a selective screening strategy could be simulated. The preference of systematic screening to selective screening enabled the discovery of two HIV positive cases in each period, the marginal cost, i.e., cost per extra pregnant woman found to be HIV positive was thus FF. 303,320 to 327,540 for period 1, and FF. 572,240 to 619,000 for period 2. Although these figures seem high, an estimation of the cost-effectiveness does not allow us to conclude whether it is in society's interest to devote the funds necessary to move away from selective screening towards systematic screening.(ABSTRACT TRUNCATED AT 250 WORDS)

Blotting, Western↗
PubMed1998

[Modalities of transition of diabetic adolescents from pediatrics to the adult care in the Paris-Ile-de-France region: an appeal to cooperative work for improving quality of care. Paris-Ile-de-France Section of DESG (Diabetes Education Study Group) in French language].

AIM: The purpose of this study was to evaluate the conditions in which diabetic adolescents are transferred from pediatric to adult health care, and to record the opinions of the physicians about this issue. METHODS: A questionnaire-based study was performed among all the pediatricians in the hospital setting and all the diabetologists from the Paris-Ile-de-France area. Questionnaires from 50 pediatricians and 51 diabetologists were completed (response rate: 68%). RESULTS: 1) Not enough information was transmitted: a quarter of the diabetologists were visiting for the first time without any information on the adolescent, and only half the pediatricians received feedback information from the internists after the first visit. And yet, when considered, it was important to be kept informed after the first visit and the following ones. 2) Medical relationships were poor: more than three out of four pediatricians and diabetologists had none or very few professional meetings, and two thirds of them were not aware of the way the others were working. 3) Eighty percent of pediatricians and diabetologists considered that the transfer of diabetic adolescents had to be organised in order to keep the coherence of medical follow-up, to minimise the psychological effects of the transition, and to avoid a complete break in the patient follow-up. 4) The expectations of the pediatricians were: the validation of their previous follow-up through the feedback information from diabetologists and the continuity of the medical follow-up; those of the diabetologists were: to gain the patient's confidence and to master the patient's previous history, in order to provide a better follow-up. 5) According to the opinion of both pediatricians and diabetologists, the main errors to avoid were, by the paediatricians, to miss the time and the preparation of the transfer and, by the diabetologists, to denigrate the previous pediatric management and to change the insulin regimen immediately. CONCLUSION: This study demonstrates a lack of communication between physicians of pediatric and adult health care centres. But it also underlines their recognition of the importance of the transition's stakes and their common motivations in order to improve it.

Adolescent↗
PubMed1985

The comparative properties of plaster of Paris and plaster of Paris substitutes.

Modern casting materials are becoming available in an increasing and bewildering variety. A series of tests has been devised to investigate the properties of these materials. They have been tested for strength, flexibility, lamination, fatigue life and radiolucency. Their properties have been compared with those of plaster of Paris in order that the role of the newer materials can be defined. It is suggested that the tests described might form the basis of a standard from which user trials could be designed to appraise the value of these materials in clinical practice.

Calcium Sulfate↗
PubMed2000

[Chromosome maps of the plant family Trilliaceae: nucleotide composition of heterochromatin an localization of 18S-26S rRNA-genes of four-leafed paris (Paris quadrifolia L.)].

Using nucleotide-specific agents Hoechst 33258, actinomycin D, chromomycin A3, and distamycin A, the Paris quadrifolia L. karyotype, and the location and nucleotide composition of heterochromatic bands were studied. The chromosome ideogram of H33258/AMD and CMA/DA heterochromatic bands was created by an image analysis system with the Videotest-Kario software. By fluorescence in situ hybridization, the 18S and 26S rRNA genes were mapped.

Bisbenzimidazole↗
PubMed1992

Hospital admission profiles of Spanish immigrants in Paris. Assistance publique hôpitaux de Paris. France.

The aim of this study was to try to determine the hospital admission profiles of Spanish immigrants in France and whether differences exist between the admission patterns in this population and the autochthus French population. The study was carried out between 1984 and 1985 in all the hospitals of the "Assistance Publique-Hôpitaux de Paris". In-patients were codified by using the OTARIE system (Organisation du Traitement Automatisé de Recherche Intéressant l'Epidémiologie) based on the I.C.D. 9R. (International Classification of Diseases). Observation of the proportional morbidity rates and the standardized rates showed differences between the two populations for tuberculosis, congenital pathology, poisoning and symptoms (multi-etiological processes, poorly defined conditions and symptoms "per se"). The Spanish sample showed a greater diagnosis for tuberculosis and symptoms (psychiatric and neurological) than the French population. However, poisoning and congenital pathologies were more frequent in the latter.

Adolescent↗
PubMedDate not supplied

Congressus Mundi Dermatologiae Paris 1889-Paris 2002.

Twenty International congresses for dermatology and sexually transmitted diseases were held between 1889 and 2002. The number of attendees and the subjects discussed during such congresses progressively increased in number and quality. The continuous progress and development in the knowledge presented year after year was a natural reflection of development in science, culture, and social standard of the countries that hosted these congresses. In this paper, we highlight the achievements of the great universal figures in dermatology who contributed to its progress, and the important milestones of scientific development that will remain as history and references for the future generation.

Congresses as Topic↗