Your throat may feel sore following bronchoscopy
or collection of a sputum sample using a nasotracheal catheter.
you have severe
bronchitis, you may find it hard to breathe
during collection of a sputum sample using a nasotracheal catheter.
In rare cases, a transtracheal aspiration may damage your voice box
(larynx) or cause an infection, excessive bleeding, or air to leak from your
windpipe (trachea) into the tissues of your neck.
A sputum culture is a test to detect and
identify bacteria or
fungi that are infecting the lungs or breathing
passages. Some types of bacteria or fungi grow quickly in a culture and some
grow slowly. Test results may take from one day to several weeks, depending on
the type of infection suspected. Some organisms (such as Chlamydophila pneumoniae and mycoplasma) do not grow in a
standard culture and need a special growth medium to be detected in a sputum
Sputum that has passed through
the mouth normally contains several types of harmless bacteria, including some
types of strep (Streptococcus) and staph (Staphylococcus). The culture should
not show any harmful bacteria or fungi. Normal culture results are
Harmful bacteria or fungi are
present. The most common harmful bacteria in a sputum culture are those that
tuberculosis. If harmful bacteria or fungi grow, the culture
If test results point to an infection, sensitivity testing
may be done to determine the best antibiotic to kill the bacteria or fungus.
What Affects the Test
Reasons you may not be able to
have the test or why the results may not be helpful include:
- Recent use of
antibiotics, which may prevent the growth of bacteria
or fungi in the culture.
- Contamination of the sputum
- An inadequate sputum sample.
- Waiting too long
to deliver the sample to the laboratory.
- Use of mouthwash before
collecting a sputum sample.