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Rev Bras Ginecol Obstet. 2008;30(11):544-549
DOI 10.1590/S0100-72032008001100003
PURPOSE: to compare the efficacy of tinidazole and cephazolin on the febrile and infectious morbidity of post vaginal and abdominal hysterectomy antibiotic prophylaxis. METHODS: randomized clinical study, where women admitted to hospital for hysterectomy were randomly allocated in one of the following antibiotic prophylaxis groups: Group C (2 g of IV cephazolin in the anesthetic induction); Group T (2 g of tinidazole orally, 12 hours before the surgery); or Group C+T (2 g of tinidazole orally 12 hours before the surgery and 2g of IV cephazolin in the anesthetic induction). Cervicovaginal smears were collected for specific cultures and the diagnosis of bacterial vaginosis (BV) was based in Amsel and Nugent's criteria. The patients were reevaluated 7 and 30 days after the surgery for signs of febrile and/or infectious morbidity. The χ2 or the Fisher's exact test was used to assess differences among the three groups, with a significance level of 5%. The sample power (1-β) was calculated through the SAS program. RESULTS: seven days after the hysterectomy, infectious morbidity was diagnosed in 6.6% of the women, but with no significant difference among the three groups studied (p=0.12). There was no febrile or infectious morbidity at the immediate post-surgical period or after 30 days from the surgery. BV ratio at the pre-surgical period was significantly higher among the women submitted to vaginal hysterectomy, rather than among the ones submitted to abdominal hysterectomy (27 versus 7%, p=0.02). BV ratio was also higher after 30 days, among the women submitted to vaginal hysterectomy (20 versus 8%), though without statistical significance (p=0.19). CONCLUSIONS: the use of tinidazole, isolated or associated with cephazolin has not presented higher efficacy, than the use of cephazolin, alone to prevent febrile or infectious morbidity post hysterectomy. The high ratio of BV at the immediate pre-surgery period among the women submitted to vaginal hysterectomy suggests that this infection must be better investigated and properly treated before the surgery.
Summary
Rev Bras Ginecol Obstet. 2008;30(11):544-549
DOI 10.1590/S0100-72032008001100003
PURPOSE: to compare the efficacy of tinidazole and cephazolin on the febrile and infectious morbidity of post vaginal and abdominal hysterectomy antibiotic prophylaxis. METHODS: randomized clinical study, where women admitted to hospital for hysterectomy were randomly allocated in one of the following antibiotic prophylaxis groups: Group C (2 g of IV cephazolin in the anesthetic induction); Group T (2 g of tinidazole orally, 12 hours before the surgery); or Group C+T (2 g of tinidazole orally 12 hours before the surgery and 2g of IV cephazolin in the anesthetic induction). Cervicovaginal smears were collected for specific cultures and the diagnosis of bacterial vaginosis (BV) was based in Amsel and Nugent's criteria. The patients were reevaluated 7 and 30 days after the surgery for signs of febrile and/or infectious morbidity. The χ2 or the Fisher's exact test was used to assess differences among the three groups, with a significance level of 5%. The sample power (1-β) was calculated through the SAS program. RESULTS: seven days after the hysterectomy, infectious morbidity was diagnosed in 6.6% of the women, but with no significant difference among the three groups studied (p=0.12). There was no febrile or infectious morbidity at the immediate post-surgical period or after 30 days from the surgery. BV ratio at the pre-surgical period was significantly higher among the women submitted to vaginal hysterectomy, rather than among the ones submitted to abdominal hysterectomy (27 versus 7%, p=0.02). BV ratio was also higher after 30 days, among the women submitted to vaginal hysterectomy (20 versus 8%), though without statistical significance (p=0.19). CONCLUSIONS: the use of tinidazole, isolated or associated with cephazolin has not presented higher efficacy, than the use of cephazolin, alone to prevent febrile or infectious morbidity post hysterectomy. The high ratio of BV at the immediate pre-surgery period among the women submitted to vaginal hysterectomy suggests that this infection must be better investigated and properly treated before the surgery.
Summary
Rev Bras Ginecol Obstet. 2005;27(11):672-676
DOI 10.1590/S0100-72032005001100007
PURPOSE: to evaluate the influence of vaginal environment of pregnant women on group B streptococcus (GBS) survival after 8, 24 e 48 h in Amies and Stuart transport media. METHODS: Three vaginal samples were collected from 30 pregnant women attending the Prenatal Care Outpatient Clinic of the Centro de Atenção Integral à Saúde da Mulher (CAISM), Universidade Estadual de Campinas (UNICAMP). The first sample was placed directly onto Todd-Hewitt selective medium; the second was used to perform a gram-stained microscopy, and the third swab was placed in 2 mL physiological saline to which 200 µL of a suspension with 1-2 x 10(8) colony-forming units of GBS was added. After homogenization, six swabs were collected from this suspension (3 from Amie medium and 3 from Stuart medium). These six swabs were kept at room temperature for 8, 24 and 48 h and then incubated on blood agar. Bacterial growth at 37ºC was observed after a 24-h incubation period and it was semiquantitatively graded (0-3+) according to the number of colonies. Statistical analysis was performed by the exact Fisher test and the level of significance was set at 0.05. RESULTS: the recovery of GBS after 48-h storage in Amie and Stuart media was 97 e 87%, respectively. In one of the four cases where no GBS recovery was possible after 48 h of storage, vaginal pH was higher than 4.5, and in two of those cases cytolytic vaginosis was found. CONCLUSIONS: both transport media showed to be appropriate for GBS recovery up to 48 h after sampling. Characteristics of the vaginal enviroment did not influence GBS recovery as observed in this study.
Summary
Rev Bras Ginecol Obstet. 2005;27(11):672-676
DOI 10.1590/S0100-72032005001100007
PURPOSE: to evaluate the influence of vaginal environment of pregnant women on group B streptococcus (GBS) survival after 8, 24 e 48 h in Amies and Stuart transport media. METHODS: Three vaginal samples were collected from 30 pregnant women attending the Prenatal Care Outpatient Clinic of the Centro de Atenção Integral à Saúde da Mulher (CAISM), Universidade Estadual de Campinas (UNICAMP). The first sample was placed directly onto Todd-Hewitt selective medium; the second was used to perform a gram-stained microscopy, and the third swab was placed in 2 mL physiological saline to which 200 µL of a suspension with 1-2 x 10(8) colony-forming units of GBS was added. After homogenization, six swabs were collected from this suspension (3 from Amie medium and 3 from Stuart medium). These six swabs were kept at room temperature for 8, 24 and 48 h and then incubated on blood agar. Bacterial growth at 37ºC was observed after a 24-h incubation period and it was semiquantitatively graded (0-3+) according to the number of colonies. Statistical analysis was performed by the exact Fisher test and the level of significance was set at 0.05. RESULTS: the recovery of GBS after 48-h storage in Amie and Stuart media was 97 e 87%, respectively. In one of the four cases where no GBS recovery was possible after 48 h of storage, vaginal pH was higher than 4.5, and in two of those cases cytolytic vaginosis was found. CONCLUSIONS: both transport media showed to be appropriate for GBS recovery up to 48 h after sampling. Characteristics of the vaginal enviroment did not influence GBS recovery as observed in this study.