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Rev Bras Ginecol Obstet. 2014;36(6):259-263
DOI 10.1590/S0100-720320140004812
To analyze the factors related to route of delivery in patients with pre-eclampsia.
A retrospective analytical study was conducted from January 2009 to January 2011, during which 250 medical records of patients diagnosed with pre-eclampsia who gave birth to live fetuses with a gestational age of 28 weeks or more were selected. The variables evaluated were: maternal age (19 years, 20−34 years and over 35 full years), gestational age at delivery (28−37 weeks and more than 37 weeks), parity (primiparous or multiparous), previous cesarean section, history of pre-eclampsia or chronic hypertension, current diagnosis of mild or severe pre-eclampsia, and birth weight of the newborn. The information was transcribed to a questionnaire based on the variables being investigated. The chi-square test was applied to identify the relationship between the variables, with the level of significance set at p<0.05, and the Odds Ratio (OR) was calculated only for the variables showing a statistically significant difference in order to determine the odds for the patient to be submitted to a cesarean section.
In this study, we observed a 78.4% rate of cesarean delivery, with 54.1% of the patients submitted to the procedure having a gestational age of 28 to 37 weeks (OR=3.1; p<0.01). Patients with a history of pre-eclampsia were 2.5 times more likely to have cesarean delivery (OR=2.5; p<0.02). All patients who had had a previous cesarean were submitted to cesarean delivery in the current pregnancy (p<0.01). Pregnant women with severe pre-eclampsia were 3.3 times more likely to progress to cesarean delivery than those with mild pre-eclampsia (OR=3.3; p<0.01).
After individual analysis, only gestational age and a diagnosis of severe pre-eclampsia showed significant differences, representing risk factors for this type of delivery.
Summary
Rev Bras Ginecol Obstet. 2014;36(6):259-263
DOI 10.1590/S0100-720320140004812
To analyze the factors related to route of delivery in patients with pre-eclampsia.
A retrospective analytical study was conducted from January 2009 to January 2011, during which 250 medical records of patients diagnosed with pre-eclampsia who gave birth to live fetuses with a gestational age of 28 weeks or more were selected. The variables evaluated were: maternal age (19 years, 20−34 years and over 35 full years), gestational age at delivery (28−37 weeks and more than 37 weeks), parity (primiparous or multiparous), previous cesarean section, history of pre-eclampsia or chronic hypertension, current diagnosis of mild or severe pre-eclampsia, and birth weight of the newborn. The information was transcribed to a questionnaire based on the variables being investigated. The chi-square test was applied to identify the relationship between the variables, with the level of significance set at p<0.05, and the Odds Ratio (OR) was calculated only for the variables showing a statistically significant difference in order to determine the odds for the patient to be submitted to a cesarean section.
In this study, we observed a 78.4% rate of cesarean delivery, with 54.1% of the patients submitted to the procedure having a gestational age of 28 to 37 weeks (OR=3.1; p<0.01). Patients with a history of pre-eclampsia were 2.5 times more likely to have cesarean delivery (OR=2.5; p<0.02). All patients who had had a previous cesarean were submitted to cesarean delivery in the current pregnancy (p<0.01). Pregnant women with severe pre-eclampsia were 3.3 times more likely to progress to cesarean delivery than those with mild pre-eclampsia (OR=3.3; p<0.01).
After individual analysis, only gestational age and a diagnosis of severe pre-eclampsia showed significant differences, representing risk factors for this type of delivery.
Summary
Rev Bras Ginecol Obstet. 2011;33(12):395-400
DOI 10.1590/S0100-72032011001200004
PURPOSE: To assess the prevalence of Streptococcus agalactiae, a Group B streptococcus, in pregnant women, and their possible risk factors, as well as the impact of perinatal colonization and antimicrobial susceptibility. METHODS: We evaluated 213 pregnant women from 20 weeks of gestation, regardless of risk factors, attending a tertiary teaching hospital. The technique used was a single sterile swab to collect secretions from the vaginal and perianal regions. The newly obtained samples were stored in Stuart transport medium and taken to the laboratory, where they were inoculated in Todd-Hewitt selective medium supplemented with Gentamicin (8 ug/mL) and nalidixic acid (15 ug/mL), with subsequent cultivation on blood agar plates. The materials were tested with Gram, catalase with hydrogen peroxide and CAMP (Christie, Atkins, Munch-Petersen), and results were serologically confirmed with the Streptococcal Grouping Kit, Oxoid®. The positive samples were tested for antimicrobial susceptibility. We also assessed socioeconomic, reproductive, clinical, and obstetric variables, and newborn care. Statistical analysis was performed with Epi-Info 6.04. RESULTS: The prevalence of colonization obtained by field tests was 9.8% by CAMP test, but only 4.2% by serology. The only protective factor was white skin color (p=0.01, 0.45>OR>0.94, 95%CI). There was no difference in prevalence of Group B streptococcus regarding other reproductive and obstetric variables. Infection occurred in only one of the newborns from colonized mothers; although it was revealed infection with Pseudomonas spp. High resistance to ampicillin (4/9), cephalothin (4/9), penicillin (4/9), erythromycin (3/9), clindamycin (7/9), and cloramphenicol (1/9) was detected. CONCLUSIONS: The infection rate was lower than that found in other studies, although a high rate of resistance to antibiotics commonly used for treatment was detected. Since there are no studies on the prevalence of Group B streptococcus in Ceará, we cannot perform a comparative analysis of the population, and further studies are needed with geographically similar groups to validate these results.
Summary
Rev Bras Ginecol Obstet. 2011;33(12):395-400
DOI 10.1590/S0100-72032011001200004
PURPOSE: To assess the prevalence of Streptococcus agalactiae, a Group B streptococcus, in pregnant women, and their possible risk factors, as well as the impact of perinatal colonization and antimicrobial susceptibility. METHODS: We evaluated 213 pregnant women from 20 weeks of gestation, regardless of risk factors, attending a tertiary teaching hospital. The technique used was a single sterile swab to collect secretions from the vaginal and perianal regions. The newly obtained samples were stored in Stuart transport medium and taken to the laboratory, where they were inoculated in Todd-Hewitt selective medium supplemented with Gentamicin (8 ug/mL) and nalidixic acid (15 ug/mL), with subsequent cultivation on blood agar plates. The materials were tested with Gram, catalase with hydrogen peroxide and CAMP (Christie, Atkins, Munch-Petersen), and results were serologically confirmed with the Streptococcal Grouping Kit, Oxoid®. The positive samples were tested for antimicrobial susceptibility. We also assessed socioeconomic, reproductive, clinical, and obstetric variables, and newborn care. Statistical analysis was performed with Epi-Info 6.04. RESULTS: The prevalence of colonization obtained by field tests was 9.8% by CAMP test, but only 4.2% by serology. The only protective factor was white skin color (p=0.01, 0.45>OR>0.94, 95%CI). There was no difference in prevalence of Group B streptococcus regarding other reproductive and obstetric variables. Infection occurred in only one of the newborns from colonized mothers; although it was revealed infection with Pseudomonas spp. High resistance to ampicillin (4/9), cephalothin (4/9), penicillin (4/9), erythromycin (3/9), clindamycin (7/9), and cloramphenicol (1/9) was detected. CONCLUSIONS: The infection rate was lower than that found in other studies, although a high rate of resistance to antibiotics commonly used for treatment was detected. Since there are no studies on the prevalence of Group B streptococcus in Ceará, we cannot perform a comparative analysis of the population, and further studies are needed with geographically similar groups to validate these results.