Tuberculosis: yesterday, today, and tomorrow

Article Abstract:

Recent outbreaks of tuberculosis around the country have rekindled interest in this disease. Highlights of recent tuberculosis research include the risks for exposure to health care workers, the importance of using preventive chemotherapy for previously infected patients, and the use of clinically administered combination chemotherapy. Health care workers who have been previously infected fortunately run little risk of becoming re-infected. However, 16-100% of hospital personnel who are newly exposed to tuberculosis risk becoming infected. It is now advised that patients and health care workers who have tested positive for tuberculosis in the past, but who have not been recently exposed, be do not always need to be treated with preventive chemotherapy. Recent research also suggests that treatment for new cases of tuberculosis include a combination dose of chemotherapy given to the patient in a clinical setting.

Editorial

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Effect of noninvasive positive-pressure ventilation on survival in amyotrophic lateral sclerosis

Article Abstract:

Those with amyotrophic lateral sclerosis (ALS), or Lou Gehrig's Disease, may live longer if treated with oxygen therapy. Noninvasive ventilators with masks were used to treat 39 patients suffering from severe breathing difficulties resulting from ALS. The nine who tolerated the procedure were 3.1 times more likely to survive than the twenty patients who could not sleep while receiving nightly treatments, and discontinued care. The presence of speech and swallowing difficulties, or bulbar symptoms, was linked to an intolerance of the therapy.

Evaluation, Prognosis, Artificial respiration, Mechanical ventilation, Respiratory insufficiency, Amyotrophic lateral sclerosis

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Hospital ventilation and tuberculosis in Canadian health care workers

Article Abstract:

Poor ventilation in certain areas of hospitals may increase the transmission of tuberculosis between patients and staff, according to a study of 17 hospitals in Canada. Several outbreaks of tuberculosis in hospitals in the early 1990s prompted recommendations for stricter infection control procedures and special ventilation systems.

Canada, Hospitals, Diseases, Medical personnel, Disease transmission, Heating, cooling and ventilation

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