Vaginal Flora (vaginal + flora)

Distribution by Scientific Domains
Distribution within Medical Sciences


Selected Abstracts


Association between periodontal disease, bacterial vaginosis, and sexual risk behaviours

JOURNAL OF CLINICAL PERIODONTOLOGY, Issue 10 2010
Emily Craig Zabor
Zabor EC, Klebanoff M, Yu K, Zhang J, Nansel T, Andrews W, Schwebke J, Jeffcoat M. Association between periodontal disease, bacterial vaginosis, and sexual risk behaviours. J Clin Periodontol 2010; 37: 888,893. doi: 10.1111/j.1600-051X.2010.01593.x. Abstract Background: Both periodontal disease and bacterial vaginosis may cause adverse pregnancy outcomes. This study evaluated the association between periodontal disease and bacterial vaginosis. Materials and Methods: Data from 3569 women enrolled in the Longitudinal Study of Vaginal Flora were used. Periodontal disease, defined as greater than three sites with ,4 mm attachment loss, was assessed by specially calibrated hygienists at baseline. Positive bacterial vaginosis status was based on a Nugent Gram stain score ,7. Pairs of independent variables were compared with Pearson's ,2 and risk ratios were calculated through log-binomial regression. Results: Twenty-eight per cent of women with bacterial vaginosis had periodontal disease compared with 22% without , corresponding to 1.29 (95% CI: 1.13, 1.47) times greater risk of periodontal disease among women with bacterial vaginosis. In adjusted analysis the risk ratio dropped to 1.23 (95% CI: 1.08, 1.40). Receptive oral sex with an uncircumcised partner was associated with 1.28 times (95% CI: 0.97, 1.69) the risk for periodontal disease compared with receptive oral sex with a circumcised partner, though the association is not statistically significant. Conclusions: In this population, there is a small but significant association between periodontal disease and bacterial vaginosis and a possible trend between receptive oral sex with an uncircumcised partner and periodontal disease. [source]


Symptomatic candidiasis: Using self sampled vaginal smears to establish the presence of Candida, lactobacilli, and Gardnerella vaginalis

DIAGNOSTIC CYTOPATHOLOGY, Issue 10 2007
M. K. Engberts M.D.
Abstract In a prospective cohort study, 10 symptomatic women with recurrent vulvovaginal candidiasis were taught how to prepare vaginal smears of their own vaginal fluids on days 7, 14, 21, and 28. The 40 smears were stained with the PAS-method and examined by three different cytopathologists for presence of Candida. Thereafter, the smears were restained with Giemsa-stain to determine presence of lactobacilli, Gardnerella vaginalis ("clue cells") and neutrophils. All three cytopathologists unequivocally established Candida blastospores and (pseudo)hyphae in 27 out of the 40 PAS-stained vaginal smears, whereas in the remaining 13 smears Candida was not found. All 10 patients had Candida in their smears during the second half of their menstrual cycle. Self sampled smears prove to be reliable for establishing the presence of Candida in symptomatic patients with candidiasis. Candida is associated with a lactobacillus -predominated vaginal flora, but with the absence of Gardnerella vaginalis. Further studies may be directed towards the interaction between the various members of the vaginal flora. This study should open molecular methodology for determining the possible interactions of lactobacilli and Candida. Diagn. Cytopathol. 2007;35:635,639. © 2007 Wiley-Liss, Inc. [source]


ORIGINAL ARTICLE: Prenatal Priming of Cord Blood T Lymphocytes by Microbiota in the Maternal Vagina

AMERICAN JOURNAL OF REPRODUCTIVE IMMUNOLOGY, Issue 3 2009
Krystyna Stencel-Gabriel
Problem, In the vagina of women at the reproductive age, more than 170 strains of bacteria and yeasts are found. The effect of vaginal flora on neonatal T cells is yet to be investigated. Method of study, We analyzed CD45RA and CD45RO expression on neonatal CD4+ T cells and cytokine production in CBMC cultures (interferon-, (IFN-, ), interleukin-4 (IL-4) and IL-12) related to vaginal bacteria isolated from a maternal vagina. We collected vaginal swabs from 36 women at the first stage of the delivery and cord blood from their newborns. IFN-,, IL-4, and IL-12 in stimulated CBMC were measured and the expression of CD45RA/CD45RO on CD4+ T cells was assessed. Results, We noted the difference in CD45RO CD4+ expression and IL-12 levels between the newborns whose mothers were or were not colonized with Lactobacillus in the vagina (newborns whose mothers were colonized with Lactobacillus: CD45RO-10%±3; IL-12-0.2 pg/mL ± 0.05; newborns whose mothers were not colonized with Lactobacillus: CD45RO-6%±3; IL-12-2.0 pg/mL ± 0.7). Conclusion, Our results may indicate that lactobacilli in maternal vagina influence the development of neonatal immune system. Yet, more research is needed using specified bacterial antigens. [source]


Bacterial vaginosis , a disturbed bacterial flora and treatment enigma,

APMIS, Issue 5 2005
Review article IV
The syndrome bacterial vaginosis (BV) is characterized by a disturbed vaginal microflora in which the normally occurring lactobacilli yield quantitatively to an overgrowth of mainly anaerobic bacteria. As BV is a possible cause of obstetrics complications and gynaecological disease , as well as a nuisance to the affected women , there is a strong impetus to find a cure. In BV treatment studies, the diagnosis criteria for diagnosis of BV vary considerably and different methods are used for cure evaluation. The design of study protocols varies and there is no consensus respecting a suitable time for follow-up visits. For the purpose of this review, available data were recalculated for 4-week post treatment cure rates. For oral metronidazole the 4-week cure rate was found not to exceed 60,70%. Treatment regimens with topical clindamycin or topical metronidazole have the same cure rates. It can thus be said that no sound scientific basis exists for recommending any particular treatment. There is no evidence of beneficial effects on BV engendered by partner treatment, or by addition of probiotics or buffered gel. Long-term follow-up (longer than 4 weeks) shows a relapse rate of 70%. With a primary cure rate of 60,70%, and a similar relapse rate documented in the reviewed literature, clinicians simply do not have adequate data for determining treatment or designing clinical studies. This is unfortunate since , apart from the obvious patient benefits , clinical studies can often serve as a guide for more basic studies in the quest for underlying disease mechanisms. In the case of BV there is still a need for continued basic studies on the vaginal flora, local immunity to the flora and host-parasite interactions as an aid when designing informative clinical studies. [source]


Antibody responses to Porphyromonas gingivalis outer membrane protein in the first trimester

AUSTRALIAN AND NEW ZEALAND JOURNAL OF OBSTETRICS AND GYNAECOLOGY, Issue 2 2009
Jun SASAHARA
Background:,Porphyromonas gingivalis (Pg) is one of the most harmful periodontal pathogens and it has been reported that Pg is associated with preterm birth (PTB), intrauterine growth retardation (IUGR) and pregnancy-induced hypertension (PIH), discovered by animal experiments and clinical research. The relationship between adverse pregnancy outcomes and maternal antibody response to Pg is controversial. On the other hand, the serum C-reactive protein (CRP) has been recognised as a reliable serum marker of periodontal disease. Aims:, To determine the significance of antibody responses to Pg affecting pregnancy outcomes in the first trimester. Methods:, A case,control study was carried out on women with PTB (n = 58), IUGR (n = 91), PIH (n = 32) and without any complications (control, n = 98). The serum level of the CRP and IgG1 against 40-kDa outer membrane protein of Pg (anti-40-kDa OMP Pg -IgG1) in the first trimester was measured. Results:, The IUGR group, and PTB patients whose placentas were diagnosed as chorioamnionitis or whose vaginal flora included Lactobacilli, showed a lower level of anti-40-kDa OMP Pg -IgG1 than the control group. There was no difference in the serum CRP level between each case group and control group. Conclusions:, These results suggest that a lack of humoral immunity against Pg in early pregnancy is associated with IUGR and some PTB. [source]


The role of bacterial vaginosis, aerobic vaginitis, abnormal vaginal flora and the risk of preterm birth

BJOG : AN INTERNATIONAL JOURNAL OF OBSTETRICS & GYNAECOLOGY, Issue 1 2010
RF Lamont
No abstract is available for this article. [source]


The role of bacterial vaginosis, aerobic vaginitis, abnormal vaginal flora and the risk of preterm birth

BJOG : AN INTERNATIONAL JOURNAL OF OBSTETRICS & GYNAECOLOGY, Issue 1 2010
G Donders
No abstract is available for this article. [source]


Predictive value for preterm birth of abnormal vaginal flora, bacterial vaginosis and aerobic vaginitis during the first trimester of pregnancy

BJOG : AN INTERNATIONAL JOURNAL OF OBSTETRICS & GYNAECOLOGY, Issue 10 2009
GG Donders
Introduction, Abnormal vaginal flora (AVF) before 14 gestational weeks is a risk factor for preterm birth (PTB). The presence of aerobic microorganisms and an inflammatory response in the vagina may also be important risk factors. Aim, The primary aim of the study was to investigate the differential influences of AVF, full and partial bacterial vaginosis, and aerobic vaginitis in the first trimester on PTB rate. The secondary aim was to elucidate why treatment with metronidazole has not been found to be beneficial in previous studies. Setting, Unselected women with low-risk pregnancies attending the prenatal unit of the Heilig Hart General Hospital in Tienen, Belgium, were included in the study. Materials and methods, At the first prenatal visit, 1026 women were invited to undergo sampling of the vaginal fluid for wet mount microscopy and culture, of whom 759 were fully evaluable. Abnormal vaginal flora (AVF; disappearance of lactobacilli), bacterial vaginosis (BV), aerobic vaginitis (AV), increased inflammation (more than ten leucocytes per epithelial cell) and vaginal colonisation with Candida (CV) were scored according to standardised definitions. Partial BV was defined as patchy streaks of BV flora or sporadic clue cells mixed with other flora, and full BV as a granular anaerobic-type flora or more than 20% clue cells. Vaginal fluid was cultured for aerobic bacteria, Mycoplasma hominis and Ureaplasma urealyticum. Outcome was recorded as miscarriage ,13 weeks + 6 days [early miscarriage (EM), n = 8 (1.1%)], between 14 + 0 and 24 weeks + 6 days [late miscarriage (LM), n = 7 (0.9%)], delivery or miscarriage ,34 weeks + 6 days n = 29 (3.8%)], ,36 weeks + 6 days n = 70 (9.2%)]. PTB between 25 + 0 and 36 weeks + 6 days was further divided in severe PTB (SPTB, 25 + 0 to 34 weeks + 6 days) and mild PTB (MPTB, 35 + 0 to 36 weeks + 6 days). Results, Women without abnormalities of the vaginal flora in the first trimester had a 75% lower risk of delivery before 35 weeks compared with women with AVF [odds ratio (OR) 0.26; 95% confidence interval (CI) 0.12,0.56]. The absence of lactobacilli (AVF) was associated with increased risks of PTB (OR 2.4; 95% CI 1.2,4.8), EPTB (OR 6.2; 95% CI 2.7,14) and miscarriage (OR 4.9; 95% CI 1.4,17). BV was associated with increased risks of PTB (OR 2.4; 95% CI 1.1,4.7), EPTB (OR 5.3; 95% CI 2.1,12.9) and miscarriage (OR 6.6; 95% CI 2.1,20.9) and coccoid AV was associated with increased risks of EPTB (OR 3.2; 95% CI 1.2,9.1) and miscarriage (OR 5.2; 95% CI 1.5,17). In women with BV, partial BV had a detrimental effect on the risk of PTB for all gestational ages, but full BV did not. Preterm deliveries later than 24 weeks+ 6 days were more frequent when M. hominis was present (EPTB OR 13.3; 95% CI 3.2,55). Discussion, Bacterial vaginosis, AV and AVF are associated with PTB, especially LM and severe PTB between 25 and 35 weeks. The absence of lactobacilli (AVF), partial BV and M. hominis, but not full BV, were associated with an increased risk of preterm delivery after 24 weeks+ 6 days. As metronidazole effectively treats full BV, but is ineffective against other forms of AVF, the present data may help to explain why its use to prevent PTB has not been successful in most studies. [source]


The role of Lactobacillus casei rhamnosus Lcr35 in restoring the normal vaginal flora after antibiotic treatment of bacterial vaginosis

BJOG : AN INTERNATIONAL JOURNAL OF OBSTETRICS & GYNAECOLOGY, Issue 11 2008
L Petricevic
Objective, To evaluate the efficacy of additional topical Lactobacillus casei rhamnosus (Lcr35) subsequent to antibiotic treatment of bacterial vaginosis (BV) to restore the normal vaginal flora. Study design, Single-centre, randomised, observerblinded study. Setting, Population-based study in Vienna over 1 year. Sample, 190 women were enrolled in the study. Methods, Women with Nugent scores between 7 and 10 on initial vaginal swab were randomised to the one of two groups. All women were treated with standard antibiotic therapy for 7 days. Only women in the intervention group received vaginal capsules containing 109 colony-forming units of live Lcr35 for 7 days after antibiotic treatment. Final vaginal swabs for Nugent scoring were taken 4 weeks after the last administration of the study medication. Main outcome measures, The primary efficacy variable was a change in the Nugent score between the baseline and the end of the study of at least 5 grades in each individual woman. Results, Sixty-nine of the 83 women (83%) in the intervention group and 31 of the 88 women (35%) in the control group showed a reduction of the Nugent score by at least 5 grades. The difference in the number of women with improvement was highly significant (P < 0.001). The median difference in Nugent scores between initial and final swabs was 6.61 in the intervention group and 4.13 in the control group (P < 0.001). Conclusion, Our data show that the restoration of the vaginal flora after antibiotic treatment of BV can be significantly enhanced by exogenously applied lactobacilli. [source]


Effectiveness of Lactobacillus -containing vaginal tablets in the treatment of symptomatic bacterial vaginosis

CLINICAL MICROBIOLOGY AND INFECTION, Issue 1 2009
P. Mastromarino
Abstract The purpose of this study was to determine the effectiveness of Lactobacillus -containing vaginal tablets in the treatment of bacterial vaginosis (BV) and in the restoration of a healthy vaginal flora. Thirty-nine women with BV were enrolled in a double-blind, placebo-controlled clinical trial. Patients received either one Lactobacillus -containing tablet or placebo daily for 7 days. Clinical criteria, vaginal Gram stain scores and symptoms were compared with those at the initial visit and those at completion of therapy and 2 weeks later. After completion of therapy, all of the patients in the Lactobacillus -treated group (n = 18) were free of BV, showing a normal (83%) or intermediate (17%) vaginal flora, as compared with only two patients free of BV with intermediate flora (12%) from among the 16 placebo-treated women (p <0.001). Two weeks after completion of therapy, treatment was successful (score <7) in 61% of Lactobacillus -treated patients as compared with 19% of those in the placebo group (p <0.05). In the treatment group, the total number of symptomatic patients and the intensity of their symptoms, in particular vaginal malodour, were significantly reduced at both follow-up visits. The data indicate that intravaginal administration of exogenous selected strains of lactobacilli can restore a normal vaginal microbiota and be used in treating bacterial vaginosis. [source]