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PubMedDate not supplied

Risk behaviours and HIV infection among men having sexual relations with men: baseline characteristics of participants in the Omega Cohort Study, Montreal, Quebec, Canada.

OBJECTIVE: To describe characteristics of men having sex with men (MSM) participating in the Omega Cohort, to describe HIV-positive participants at baseline interview, and to estimate HIV incidence. METHODS: The Omega Cohort is a study on the incidence and psychosocial determinants of HIV infection among MSM living in Montreal. MSM complete a questionnaire and are tested for HIV every six months. RESULTS: During the previous six months, 31% and 12% of 810 participants (mean age = 33 years) reported unprotected anal sex with regular and casual partners, respectively. Eight participants (0.98%) were HIV-infected at baseline. HIV incidence was 0.89 per 100 person-years (7/787 person-years) [95% confidence interval: 0.36-1.83]. CONCLUSION: A significant proportion of participants reported current risk behaviours. Despite this, HIV incidence is relatively low. It is important to target MSM who do not practice safe sex and to encourage those practicing safe sex to sustain these behaviours.

Adult↗
PubMed2000

Antidote availability in Quebec hospital pharmacies: impact of N-acetylcysteine and naloxone consumption.

OBJECTIVES: To study the availability of 13 specific antidotes in hospitals and correlate the availability of those antidotes to the number of poisonings seen in hospitals using N-acetylcysteine and naloxone consumption as a surrogate. METHODS: Pharmacy directors of hospitals with an emergency department were surveyed for number of adequately stocked antidotes (N-acetylcysteine, ethanol, cyanide antidote kit or hydroxycobalamine, deferoxamine, digoxin-immune FAB, dimercaprol, flumazenil, glucagon, methylene blue, naloxone, physostigmine, pralidoxime and pyridoxine). RESULTS: Data were obtained from 96 of 112 (86%) of the pharmacies surveyed. Number of adequately stocked antidotes per hospital ranged from zero to nine of 13. There was a correlation between all hospital characteristics evaluated and the number of adequately stocked antidotes (P<0.05). Correlations between the number of adequately stocked antidotes and the amount of N-acetylcysteine and naloxone consumed were significant (rs=0.58, P<0.001; r(s)=0.53, P<0.001). The amount of N-acetylcysteine consumed, the number of annual visits to the emergency department and the number of hours of pharmacy coverage on weekends independently predicted the presence of adequately stocked antidotes. CONCLUSIONS: Larger hospitals are more likely to have adequate stocks of antidotes. Adequate stocking of antidotes is significantly correlated with the amount of N-acetyl- cysteine and naloxone consumed. This suggests that hospitals more likely to see serious acetaminophen and opiate poisonings are more likely to maintain adequate stocks of antidotes.

Acetylcysteine↗
PubMedDate not supplied

[1998 Quebec Social and Health Survey: determinants of chronic respiratory diseases].

In the course of the "1998 Health and Social Survey", questions were included to verify the prevalence of chronic respiratory diseases and also of wheezing. The objectives of this study were 1) to verify the prevalence of wheezing and its validity as an indicator of chronic respiratory diseases in Québec; and 2) to examine the relationship between chronic respiratory diseases and some of their potential determinants. A total of 30,386 individuals participated in the study. For all ages, the prevalence of wheezing was 5.4%. It was associated with asthma, allergies, chronic bronchitis and emphysema. A low familial income and tobacco smoking were associated with wheezing, asthma, chronic bronchitis and emphysema. Passive smoking was associated with wheezing whereas the presence of carpets was associated with wheezing and asthma. Between 32 and 48% of families with an asthmatic or an allergic member modified their dwelling to alleviate respiratory problems. The prevalence of wheezing documented here was lower than in anglosaxon countries. This result could be explained by a cultural factor (the French translation or the perception of wheezing). This study emphasizes the role of reducing tobacco smoking in the prevention of chronic respiratory diseases.

Adolescent↗