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At least 19 recordsLinked to original sources

Normal vaginal microbiology of women of childbearing age in relation to the use of oral contraceptives and vaginal tampons.

The vaginal microbiology of women attending a family planning clinic was found to be unrelated to the use of oral contraceptives and vaginal tampons. Beta haemolytic streptococci isolated from this ;normal' population were compared with those from 1,104 women attending general practitioners complaining of vaginal discharge. There is a caution regarding the indications for antibiotic therapy. Observations were made on the effects of contamination of vaginal swabs with yeasts and beta-haemolytic streptococci from the vulva. The persistent character of the vaginal flora over a six-month period is described.

Adolescent↗

Diagnosis of bacterial vaginosis on self-collected vaginal tampon specimens.

A vaginal tampon specimen was previously shown to be suitable for the molecular diagnosis of non-ulcerative sexually transmitted infections (STIs). Different tampon fluid preparations were evaluated for the diagnosis of bacterial vaginosis (BV). Women with pregnancy related problems were enrolled. Two observers evaluated the different tampon fluid preparations and vaginal smears collected during speculum examination using the Nugent score. Using the Amsel criteria, 21% of the 84 women enrolled were diagnosed with BV. Results of the tampon fluid preparations and vaginal smears showed excellent agreement for both observers (Spearman >0.80). The overall sensitivity and specificity was 91.7% (95% CI: 81.6-96.5) and 79.3% (95% CI: 67.2-87.8), respectively, using the Amsel criteria as reference standard. The tampon provides a specimen for the combined diagnosis of non-ulcerative STIs and BV. This non-invasively collected specimen may facilitate self-initiated testing and population-based studies as well as longitudinal studies that are necessary to gain insight in the epidemiology of BV related to STIs and HIV.

Adult↗

Antigonococcal effects of vaginal tampons.

Different brands of vaginal tampons varied significantly (p less than 0.0001) in their anti-bacterial effects when tested with 46 strains of Neisseria gonorrhoeae. Gonococcal strains recovered from patients with disseminated infections were substantially more sensitive to the anti-bacterial effects of tampons than were strains from patients with uncomplicated genital infections. Strains from patients with pelvic inflammatory disease were moderately sensitive. Tampons showing strong in-vitro antigonococcal effects were also generally effective in vivo in eliminating gonococcal infections from subcutaneous chambers in mice. Extracts of the Rely tampon showed no in-vitro antigonococcal effect, however, but did induce antibacterial activity when injected into subcutaneous chambers in mice. These results emphasise the importance of both in-vitro as well as in-vivo testing of tampon materials to elucidate more fully the nature of their antibacterial effects and their potential for affecting vaginal pathogens and disease processes.

Animals↗

Recovery of cytomegalovirus and Chlamydia trachomatis from vaginal tampons.

Herpes simplex virus (HSV), cytomegalovirus (CMV), and Chlamydia trachomatis are important agents in venereal and neonatal disease. Vaginal tampon culture for HSV has previously been demonstrated to be a simple and effective technique for quantitative culture of cervical secretions. We have evaluated the tampon culture as a means of performing quantitative cultures for CMV and C trachomatis. Cell-free and cell-associated CMV were quantitatively recovered from vaginal tampons when extraction was performed within one hour of tampon inoculation. However, when tampons were stored, there was a rapid loss of infectivity over time at all storage temperatures except -70 degrees C. C trachomatis was quantitatively recovered from tampons stored at less than or equal to 4 degrees C for four days. When stored at -70 degrees C, C trachomatis was stable on tampons for more than one week. Because HSV, CMV, and C trachomatis are stable in a single transport medium, a tampon stored at 4 degrees C briefly or at -70 degrees C for one week could be utilized for the detection of all three agents.

Bacteriological Techniques↗

Evaluation of vaginal tampons for collection of specimens for detection of Chlamydial infection.

BACKGROUND AND OBJECTIVES: Previous studies have shown that self-inserted vaginal tampons can be used to obtain specimens for detection of Neisseria gonorrhoeae. There is a need to expand testing for infection with Chlamydia trachomatis to women who do not undergo regular gynecologic examinations. GOAL: To compare self-inserted tampons with clinician-obtained endocervical swabs for collection of samples to be examined for chlamydial infection. STUDY DESIGN: Women referred because of recently detected untreated chlamydial infection inserted a vaginal tampon. Two endocervical swabs were obtained after the tampon was removed. One swab was cultured for Chlamydia trachomatis. The other swab and the tampon were examined with the Testpack Chlamydia antigen detection test. RESULTS: Sixty-nine women were studied. Chlamydial infection was detected by culture in 75.4%, by Testpack (swab) in 63.8%, and by Testpack (tampon) in 52.2%. CONCLUSIONS: Tampon-obtained specimens evaluated in the Testpack Chlamydia test were relatively insensitive. More sensitive tests for the detection of Chlamydia trachomatis infection with self-obtained specimens should be evaluated.

Adult↗

The stability of herpes simplex virus on vaginal tampons.

Herpes simplex virus can be quantitatively recovered from vaginal tampons suspended in tissue culture medium and stored over a wide range of temperatures. Because herpes simplex virus is stable for several days with refrigeration or after freezing, this method of culture of cervicovaginal virus lends itself to epidemiologic studies.

Culture Media↗

Vaginal tampon model for toxic shock syndrome.

The effects of tampon composition, inoculum size, and simulated menses on production of toxic shock syndrome toxin 1 (TSST-1) and toxic shock syndrome (TSS) were evaluated in a rabbit model that simulates tampon use in humans. Three small generic compressed-fiber tampons were successively inserted vaginally (remained in place 4.5 hours x 2; overnight x 1). Tampon no. 1 was inoculated with live TSST-1-positive staphylococci plus 5 mL of saline or simulated menses (defibrinated rabbit blood plus 2.5 g of bovine serum albumin/dL) immediately after insertion; saline or simulated menses alone were used with tampons no. 2 and 3. The vagina was washed after removal of tampon no. 3. TSS-like illness was produced consistently in animals with carboxymethyl cellulose/polyester foam tampons, which supported higher organism counts and greater TSST-1 production in association with subsequent tampons. Cotton and rayon tampons were not associated with as much clinical illness, organism growth, or TSST-1 production. Simulated menses supported toxin production and clinical illness when the inoculum was one-tenth that required for controls. Sham tampon insertion was associated with TSS-like illness in two of 10 rabbits; thus, other factors may promote TSS in the absence of vaginal tampons. This model reliability reproduces menstrual TSS, since one-time vaginal inoculation with TSST-1-positive staphylococci in the presence of blood and certain tampons leads to TSS, and may be useful in evaluating catamenial products and in understanding other factors important in TSST-1 production in vivo and the development of TSS.

Animals↗