Lecture 29 - Urethritis, Cervicitis and Ball Pain Flashcards
Urethritis?
condition in symptomatic males (discharge, dysuria) w >5 PMNL per HPF
Litre’s glands?
urethral glands releasing physiological discharge to protect epithelium against urine
Abnormal causes of vaginal discharge?
cervicitis, genital candidiasis, bacterial vaginosis, foreign body
Chlamydia physiology?
deficient in endogenous ATP so parasites the host, antibodies against major outer protein can neutralise the organism, short term immunity develops, recurrent infection produces severe inflammation, body develops immunity to chlamydial HSP w cross immunity to human HSP
Nucleic acid test? NAAT
DNA amplification, high sensitivity and specificity, little false positive problems, fewer storage and handling problems, can be automated
Specimen collection?
Male: FVU; Female: vulvovaginal swab for NAAT, speculum exam. for symptomatic
Treatment of uncomplicated Chlamydia?
doxycycline 100mg 7 days, or Azithromycin 1g - treat for 2 reproductive cycles, little antimicrobial resistance
Azithromycin?
inhibits translation of bacterial mRNA, GI side effects, risk of long QT syndrome, resistance rare
Partner notification?
all partners of last 60-90 days, treat even if negative, advise safe sex during treatment
Comoplications of chlamydia - males?
epididymitis and infertility, Reiter’s syndrome, conjunctivits
Neisseria gonorrhea?
gram negative diplococcus, human only, oxidase positive
Gonorrhea defense mechanisms?
pilin, opa proteins, LOS, serum resistance, IgA1 rotease
Gonorrhea specimen collection?
from area of symptoms and areas at risk, can survive room temp 5h (but not drying), 4-8h growth on plate, Amies’ or Stuart’s transport only
Gonorrhea growth conditions?
35-37C, 5% CO2, pH 6.5-7.5, Fe requirment, NYC medium (GU soure) or Thayer Martin medum (rectal)
Urethral infection of males (G)?
symptomatic (discharge, dysuria), unsymptomatic in 6 mnth if untreated
Gonorrhea treatment?
ceftriaxone 500mg (sensitivity unknown), ciprofloxacin 500mg w azithromycin (sensitive) - do not use azithromycin as first line to prevent resistance
Gonnorhea complications in males?
epididymitis, lymphangitis, urethral stricture (rare)
Rectal infection (G)?
symp or unsym, could be inoculation rather than anal (common in women due to gooch spread)
Pharyngeal infection (G)?
oral sex, sore throat or unsym., treat w ceftriaxone and azithromycin
Endocervical infection?
most common site, asymp. or discharge, dysuria and menorrhagia, 40% gram positive
Pelvic inflammatory disease?
mild (urethritis partner, discharge and bleeding) or moderate/severe (mixed microbial), RUQ pain, LAP, maybe fever
PID treatment?
ceftriaxone + doxycycline +/- metrodinazole
Non-specific urethritis?
presence of symptoms/signs, ruled out G or C infection, potential causes: mycoplasma genitalium, HSV, or adenovirus
Trichomoniasis?
protozoan caused vaginal infection likely in Africa