Symposium: disposal of infectious hospital waste.
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Environmental Pollution↗
Biomedical subjects
C Pulket
Publications and source records attributed to C Pulket.
Solid waste scavenger community: an investigation in Bangkok, Thailand.
A solid waste scavenger community at On-Nooch dump site in Bangkok was investigated. The purpose was to identify the dimensions of the public health risk to this group of people and their community due to exposure to hazardous conditions from waste materials. A cross-sectional descriptive study utilizing field surveys and measurements was performed. The demographic, socioeconomic, health related and environmental characteristics of this community were examined. Health complaints and injuries were inventoried among scavengers. Prevalence of childhood respiratory illness was high especially in those households where smoking was present. Intestinal helminthic and protozoan infection in children were detected. Six individuals with possible HIV infection and a number of Hepatitis B anti-genemia were found among male respondents. An appreciable proportion of respondents fell below normal when tested for lung function. Air pollution measurements showed acceptable ambient air levels except for particulate matters. Water quality was low for both potable and nonpotable water.
Adolescent↗
Platelet dysfunction in malaria.
Platelet function tests including platelet aggregation, PF3, bleeding time and clot retraction were studied in 48 malarial patients. The suppression of platelet aggregation was demonstrated in both P. vivax and P. falciparum infection. However, this abnormality was more prominent in malarial patients who had systemic complications and bleeding. The recovery of the impaired platelet aggregation was observed at period of 7 and 14 days after parasitemia in malarial patients without and with systemic complications. The correlation between the suppression of platelet aggregation and thrombocytopenia was observed. From this study, bleeding in malaria are operated by two mechanisms: thrombocytopenia and severely depressed platelet aggregation.
Adult↗
A comparison of heat stress indices in a hot-humid environment.
The results of a study of nine physically fit young men performing moderate exercise under various levels of hot-humid conditions are reported. Environmental stress and physiological strain data from the total of 72 test sessions were collected and computed in terms of heat stress and heat strain indices. Single and multiple factor correlation coefficients were calculated on the basis of 11 stress indices versus 4 strain indices. Most of the empirical heat stress indices correlated best with the mean skin temperature, whereas the rational indices correlated best with heart rate and sweat loss. Because of its ease of use, the WGT or the CET index may be the best choice for preliminary industrial surveys in hot-humid environments. A simple and convenient nomogram was developed on the basis of the test data relating increase in heart rate to temperature, humidity, and air velocity.
Adult↗