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Results for “RESPIRATORY DISEASES”

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At least 469 records · Page 26Linked to original sources
PubMed1985

[Epidemiological trial of the prophylactic effectiveness of the interferon inducer dipyridamole with respect to influenza and acute respiratory diseases].

The epidemiological effectiveness of dipyridamol, an interferon-inducing agent used for the prevention of influenza and viral acute respiratory diseases, was tested in 4 epidemiological trials, 3 of them carried out as double blind trials. Observations were made in groups of adults (a research institute, a factory) and children (a kindergarten, a school), comprising 1040 subjects in the test groups and 771 subjects in the control groups. The drug was used during the whole epidemic period (January--March 1983) according to the following schedule: 1 oral administration in 8 days, in doses of 8 mg for adults, 50 mg for schoolchildren and 24 mg for children in the kindergarten. The epidemiological effectiveness of the drug was evaluated by comparing the total morbidity rates in influenza and acute respiratory diseases in the test and control groups. The results of 4 trials showed a pronounced epidemiological effectiveness of dipyridamol. The values of the epidemiological effectiveness index of the drug were 2.38 in the kindergarten, 1.55 at the school, 7.42 at the factory and 2.16 at the research institute. The results of the study of dipyridamol suggest that further investigations should be made with a view to use it for the mass prevention of influenza and acute respiratory diseases.

Acute Disease↗
PubMedDate not supplied

[Risk of anesthesia in respiratory diseases].

The risks attached to anaesthesia are considerably increased by the presence of a respiratory disease, especially in patients undergoing thoracic or upper abdominal surgery. Preoperative respiratory evaluation enables the risk of post-surgical respiratory complications to be measured according to the severity of the respiratory disease. This evaluation is mainly clinical, the results of lung function tests never providing criteria of fitness for anaesthesia. The frequency of respiratory complications is not influenced by the type of anaesthesia (general or local) or by the quality of postoperative analgesia. The risk of respiratory complications can be reduced only by pre- and postoperative management of the patient's lung disease.

Analgesia↗
PubMed2026

Influenza A virus in Swiss pig herds with respiratory disease: Seasonality and age dependence.

Influenza A virus (IAV) is an important respiratory pathogen in pigs and poses a zoonotic risk to humans in close contact. While IAV epidemiology has been extensively studied in large-scale production systems, data from Switzerland - characterized by small herds and limited live pig imports - remain scarce. This exploratory nationwide cross-sectional study aimed to assess the association between herd-level IAV detection and reported respiratory disease in pig herds, and to explore associations with husbandry-, animal-, and human health-related factors. Between November 2023 and April 2025, 25 Swiss pig herds with caretaker-suspected respiratory symptoms were investigated. In each herd, five nasal swabs were collected and analyzed by quantitative PCR. Herd managers completed an interview, and clinical examinations were performed. Overall, 56 % (95 % CI: 37,1 - 73,3) of herds tested positive for IAV, comparable to reports from other European countries. The estimated intra-herd detection rate was 49,6 % (95 % CI: 31,2 - 68,0). Respiratory disease outbreaks associated with IAV detection showed indications of seasonal variation, with no positive herds identified during summer. Across age groups, pigs aged 11-14 weeks had a higher likelihood of IAV detection, with 15,79-fold increased odds (95 % CI: 1,50 - 860,4), although with considerable uncertainty. The interpretation is limited by the small sample size, heterogeneous data, and reliance on single time-point qPCR detection. The results suggest that IAV detection in clinically apparent respiratory outbreaks may follow seasonal patterns in Swiss pig herds. Weaners and newly introduced fattening pigs may play a role in such respiratory outbreaks and could represent relevant targets for IAV surveillance in Switzerland. Continued monitoring and the implemen tation of appropriate control measures remain important given the virus's zoonotic potential and impact on pig health.

Animals↗
PubMed1998

Mycoplasmas in the etiology of multifactorial respiratory disease.

The avian mycoplasmas pathogenic for commercial poultry, Mycoplasma gallisepticum and Mycoplasma synoviae in chickens and turkeys, and Mycoplasma meleagridis and Mycoplasma iowae in turkeys are egg-transmitted infections and exhibit wide variations in clinical manifestations. Mycoplasma gallisepticum strains vary widely in virulence, tissue tropism, and antigenic makeup and have the ability to alter the expression of major surface antigenic proteins. Although less well studied, strains of M. synoviae, M. meleagridis, and M. iowae appear to exhibit similar variability. Intraspecies variability among mycoplasma strains and their ability to interact with other disease-producing factors explain the wide variability of clinical manifestations, difficulties in diagnosis, their ability to persist within the host for long periods of time, and many of the difficulties involved in control and eradication programs. Mycoplasmas are also well known for their interactions with other infectious agents and environmental factors in producing clinical disease. Control of the clinical manifestations of Mycoplasma infections is simplified when concurrent infections are minimized and optimum environmental conditions are provided.

Animals↗