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Introduction. The prevalence of bacterial vaginosis (BV) comprises 23–29 %, which in pregnant women is a known risk factor for premature birth (PB) that rates increases by 2.9-fold. BV treatment with antibiotics has no effect PB incidence, therefore stressing a need to search for alternative remedies.Aim: to evaluate the effectiveness of treatment, including antibacterial therapy and a complex preparation containing natural antimicrobial peptides and cytokines, to reduce the incidence of birth defects in pregnant women with BV.Materials and Methods. Design: a prospective open comparative cohort study in parallel groups was conducted with 101 pregnant women: Group I (n = 69) received the antibiotic Metronidazole, 500 mg tablets orally twice a day for 7 days, and a complex preparation containing exogenous natural antimicrobial peptides and cytokines (Superlymph®) suppositories per 25 IU once a day vaginally in the evening for 20 days; Group II (n = 32) received Metronidazole alone (the same regimen). Patient examination was carried out using approaches included clinical methods, accepted in obstetrics, and laboratory tests – microscopy of vaginal content smears, real-time polymerase chain reaction (PCR).Results. The PB (within 240–366 weeks) incidence in Group I was significantly lower than in Group II and comprised 2.9 % vs. 21.9 %, respectively (p = 0.004), with an 8-fold decline in developing PB risk (relative risk (RR) = 0.13; 95 % confidence interval (CI) = 0.03–0.60), whereas inter-group percentage of pregnant women with high risk (PB history) was comparable (p = 0.39) so that PB incidence did not differ from pregnant women without former PB. Microbiological recovery after treatment for BV was achieved in 85.5 % of patients from Group I vs. 56.3 % in Group II (RR = 1.52; 95 % CI = 1.10–2.10; p = 0.002) based on real-time PCR data. The persistence of anaerobic flora after treatment was significantly lower in Group I vs. Group II reaching 7.2 and 34.4 % (p < 0.001), respectively, with a 5-fold lower PB risk (RR = 0.21; 95 % CI = 0.08–0.56). Cessation of viral shedding compared to the number of patients with initial viral shedding was achieved in 94.6 % vs. 8.3 % of patients, respectively, with a 50-fold decline in risk (RR = 0.02; 95 % CI = 0.005–0.08; p < 0.001). The number of newborns weighing less than 2500 g was significantly lower from paired mothers who received Superlymph® + Metronidazole comprising 2.9 % vs. 15.6 % treated with Metronidazole alone (p = 0.03), whereas a risk of low birth weight neonates was decreased by 6-fold (RR = 0.16; 95 % CI = 0.03–0.88). The condition of the neonates assessed by birth Apgar score was comparable.Conclusion. The use of a complex preparation Superlymph® (suppositories per 25 IU once an day vaginally, for 20 days) along with oral antibiotic Мetronidazole in pregnant women with BV facilitates a decline in PB incidence down to 2.9 % at gestational age of 240–366 weeks lowering a risk of PB exceeding that of antibacterial therapy by 8-fold, including patients with former PB.
Introduction. The prevalence of bacterial vaginosis (BV) comprises 23–29 %, which in pregnant women is a known risk factor for premature birth (PB) that rates increases by 2.9-fold. BV treatment with antibiotics has no effect PB incidence, therefore stressing a need to search for alternative remedies.Aim: to evaluate the effectiveness of treatment, including antibacterial therapy and a complex preparation containing natural antimicrobial peptides and cytokines, to reduce the incidence of birth defects in pregnant women with BV.Materials and Methods. Design: a prospective open comparative cohort study in parallel groups was conducted with 101 pregnant women: Group I (n = 69) received the antibiotic Metronidazole, 500 mg tablets orally twice a day for 7 days, and a complex preparation containing exogenous natural antimicrobial peptides and cytokines (Superlymph®) suppositories per 25 IU once a day vaginally in the evening for 20 days; Group II (n = 32) received Metronidazole alone (the same regimen). Patient examination was carried out using approaches included clinical methods, accepted in obstetrics, and laboratory tests – microscopy of vaginal content smears, real-time polymerase chain reaction (PCR).Results. The PB (within 240–366 weeks) incidence in Group I was significantly lower than in Group II and comprised 2.9 % vs. 21.9 %, respectively (p = 0.004), with an 8-fold decline in developing PB risk (relative risk (RR) = 0.13; 95 % confidence interval (CI) = 0.03–0.60), whereas inter-group percentage of pregnant women with high risk (PB history) was comparable (p = 0.39) so that PB incidence did not differ from pregnant women without former PB. Microbiological recovery after treatment for BV was achieved in 85.5 % of patients from Group I vs. 56.3 % in Group II (RR = 1.52; 95 % CI = 1.10–2.10; p = 0.002) based on real-time PCR data. The persistence of anaerobic flora after treatment was significantly lower in Group I vs. Group II reaching 7.2 and 34.4 % (p < 0.001), respectively, with a 5-fold lower PB risk (RR = 0.21; 95 % CI = 0.08–0.56). Cessation of viral shedding compared to the number of patients with initial viral shedding was achieved in 94.6 % vs. 8.3 % of patients, respectively, with a 50-fold decline in risk (RR = 0.02; 95 % CI = 0.005–0.08; p < 0.001). The number of newborns weighing less than 2500 g was significantly lower from paired mothers who received Superlymph® + Metronidazole comprising 2.9 % vs. 15.6 % treated with Metronidazole alone (p = 0.03), whereas a risk of low birth weight neonates was decreased by 6-fold (RR = 0.16; 95 % CI = 0.03–0.88). The condition of the neonates assessed by birth Apgar score was comparable.Conclusion. The use of a complex preparation Superlymph® (suppositories per 25 IU once an day vaginally, for 20 days) along with oral antibiotic Мetronidazole in pregnant women with BV facilitates a decline in PB incidence down to 2.9 % at gestational age of 240–366 weeks lowering a risk of PB exceeding that of antibacterial therapy by 8-fold, including patients with former PB.
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