10 - mycoplasma and ureaplasma Flashcards
mycoplasma and ureaplasma
smallest form of living life
- Too small to be visualised using light microscopy and they have no peptidoglycan in their cell envelopes - They can be grown on agar media
○ Mycoplasma pneumoniae
§ Causes respiratory tract infections § Causes □ Tracheobronchitis □ Bronchiolitis □ Pneumonia
mycoplasma pneumoniae is common cause of
community acquired pneumonia
mycoplasma pneumoniae symptoms
□ Dry cough may persist for several weeks longer
□ Called ‘walking pneumonia’ because patients don’t appear toxic
genital mycoplasmas
mycoplasma hominis
mycoplasma genitalium
ureaplasma urealyticum
mycoplasma hominis
§ Associated with □ Pelvic inflammatory disease □ Chorioamnionitis, premature labour □ Other adverse pregnancy outcomes □ Postpartum and post abortal fever
mycoplasma genitalium
§ Also found in genital tracts of healthy, sexually active people
§ Associated with
□ Strong association with non-gonococcal urethritis in men
□ Cervicitis, pelvic inflammatory disease in women
○ Ureaplasma urealyticum
§ Non-gonococcal urethritis in men
§ Chorioamnionitis, premature labour
§ Other adverse pregnancy outcomes
§ Post partum and post abortal fever
genital mycoplasmas may be found in
○ May be found in the genital tracts of healthy people
§ Difficult to implicate them as causes of disease
○ Organisms may be carried in the genital tracts of sexually active asymptomatic people
§ Isolation in clinical specimens does not automatically implicate them as a cause of disease