WASHINGTON — The clinical utility of induced sputum in children hospitalized with community-acquired pneumonia is unclear because even among children with good quality samples, the yield of pathogens ...

Thea DM, Hammitt LL, Seidenberg P, et al. Limited utility of polymerase chain reaction in induced sputum specimens for determining the causes of childhood pneumonia in resource-poor settings: findings ...

This study was conducted in a microwave popcorn plant in November 2001. Of 149 current workers, 140 participated in the survey. Of the 140 participants, 32 were excluded from sputum induction: 27 ...

A sputum culture is a sample of the gooey substance that often comes up from your chest when you have an infection in your lungs or airways. It is mostly made up of white blood cells that fight ...

Chronic obstructive pulmonary disease (COPD) is characterized by chronic bronchitic and emphysematous components. In one biophysical model, the concentration of mucin on the airway surfaces is ...

In a meta-analysis, researchers found that sputum was more accurate than nasopharyngeal or oropharyngeal swabs. The study also shows early testing increased rates of COVID-19 diagnosis. Early and ...

What is a sputum Gram’s stain? A sputum Gram’s stain is a laboratory test that allows your doctor to diagnose a bacterial infection in your respiratory tract. They may order it if you have symptoms of ...

Among popcorn production workers mean FEV 1 percentage of predicted and mean FEV 1 /FVC percentage of predicted were both > 95% ( Table 1). Obstruction was present in 4 of 59 high-exposure workers and ...