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Air Quality clinical trials

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NCT ID: NCT04856995 Completed - Occupational Health Clinical Trials

Effect of Surgical Smoke on Air Quality

Start date: May 12, 2020
Phase:
Study type: Observational

This study; It was planned to (1) determine the effect of surgical smoke on indoor air quality and (2) examine its effect on physical symptoms and throat culture results in operating room employees and compare it with those working in internal units.

NCT ID: NCT02991391 Completed - Asthma Clinical Trials

Expansion of the COPD At-risk Module in 4 States BRFSS Telephone Health Surveys

Start date: January 2015
Phase: N/A
Study type: Observational

This cross-sectional survey study is intended to describe the characteristics of adults in 4 US states with regards to respiratory symptoms and tobacco exposure, utilizing an existing state-administered, CDC overseen Behavioral Risk Factor Surveillance System telephone health survey. The primary goal of study is to describe the sociodemographics, health behaviors, and presence of chronic diseases in persons with or at risk of having chronic obstructive pulmonary disease.