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Rev Bras Ginecol Obstet. 2014;36(8):347-352
DOI 10.1590/SO100-720320140005061
To evaluate the validity of cervicovaginal cytology performed at LAPER, the main Laboratory of Pathology of the State of Roraima, Brazil, by interrater agreement (external monitoring) and agreement with histopathologic results.
One hundred women were included, a population-based convenience sample. Their cervical cytological exams were evaluated by the laboratory staff and reviewed by expert medical pathologists, external to the laboratory. Cohen's Kappa index, sensitivity and specificity were evaluated. The study was approved by LAPER coordination and Federal University of Roraima Research Ethics Commitee.
Regarding the prevalence of human papillomavirus-related atypical, there was no concordance between the results issued by LAPER and by the external pathologists (k=0.21). A low sensitivity (28.5%) and specificity (89,2%) was detected for the diagnostic performance of LAPER, with a high proportion of false positive and false negative results. The cytological reports of the external pathologists showed higher sensitivity and specificity (71.4 and 98.9%, respectively), ruling out the possibility that errors related to collection methods and staining would explain the low performance of the laboratory.
A low diagnostic accuracy of cervicovaginal cytology can be a barrier against the control of cervical cancer in Roraima. We emphasize the need for professional training and internal and external monitoring in Brazilian states with a high incidence of cervical cancer.
Summary
Rev Bras Ginecol Obstet. 2014;36(8):347-352
DOI 10.1590/SO100-720320140005061
To evaluate the validity of cervicovaginal cytology performed at LAPER, the main Laboratory of Pathology of the State of Roraima, Brazil, by interrater agreement (external monitoring) and agreement with histopathologic results.
One hundred women were included, a population-based convenience sample. Their cervical cytological exams were evaluated by the laboratory staff and reviewed by expert medical pathologists, external to the laboratory. Cohen's Kappa index, sensitivity and specificity were evaluated. The study was approved by LAPER coordination and Federal University of Roraima Research Ethics Commitee.
Regarding the prevalence of human papillomavirus-related atypical, there was no concordance between the results issued by LAPER and by the external pathologists (k=0.21). A low sensitivity (28.5%) and specificity (89,2%) was detected for the diagnostic performance of LAPER, with a high proportion of false positive and false negative results. The cytological reports of the external pathologists showed higher sensitivity and specificity (71.4 and 98.9%, respectively), ruling out the possibility that errors related to collection methods and staining would explain the low performance of the laboratory.
A low diagnostic accuracy of cervicovaginal cytology can be a barrier against the control of cervical cancer in Roraima. We emphasize the need for professional training and internal and external monitoring in Brazilian states with a high incidence of cervical cancer.
Summary
Rev Bras Ginecol Obstet. 2007;29(8):387-395
DOI 10.1590/S0100-72032007000800002
PURPOSE: to identify the main maternal risk factors involved in early-onset neonatal sepsis, evaluating the risk associations between bacterial vaginosis and isolated microorganisms found in the maternal urine culture and in the newborn blood culture in the delivery room. METHODS: randomized longitudinal cohort study involving 302 mothers and their newborns. All neonates were followed up for seven days in order to diagnose sepsis. RESULTS: the outcomes were the following: 16 (5.3%) early-onset neonatal sepsis cases (incidence of 53 cases per 1,000 live births). The average number of prenatal appointments with a doctor was 5.2 (SD=1.8). The number of women with prenatal follow-up was 269 (89.1%), but only 117 (43.4%) of them went to six or more medical appointments, 90 (29.8%) had premature rupture of membranes before delivery, but only 22 (7.3%) had it for more than 18 hours. A total of 123 women (40.7%) complained of vaginal discharge, but only 47 (15.6%) of them had bacterial vaginosis, 92 (30.4%) complained of urinary infection, but only 23 (7.6%) of them had bacteriuria, two (0.7%) had fever at home, 122 (40.4%) received intra-partum antibiotic prophylaxis, 40 (13.2%) had premature delivery and 37 (12.3%) had low-birth-weight babies. Gestational age was a significant risk factor (RR=92.9; IC95%:12.6-684.7), as well as the number of prenatal appointments (RR=10,8; IC95%:1,4-80,8), fever (RR=10,0; IC95%:2,3-43,5), low-birth-weight (RR=21,5; IC95%:7,3-63,2) and early neonatal death (RR=89,4; IC95%:11,16-720,6). A significant difference of 5% was found in the comparison of the averages of lower number of prenatal appointments, prematurity and lower birth weight. CONCLUSIONS: the major microorganism isolated in the newborns’ blood culture was the Streptococcus agalactiae. Prematurity, lack of prenatal follow up and low birth weight were the risk factors more associated with early neonatal sepsis.
Summary
Rev Bras Ginecol Obstet. 2007;29(8):387-395
DOI 10.1590/S0100-72032007000800002
PURPOSE: to identify the main maternal risk factors involved in early-onset neonatal sepsis, evaluating the risk associations between bacterial vaginosis and isolated microorganisms found in the maternal urine culture and in the newborn blood culture in the delivery room. METHODS: randomized longitudinal cohort study involving 302 mothers and their newborns. All neonates were followed up for seven days in order to diagnose sepsis. RESULTS: the outcomes were the following: 16 (5.3%) early-onset neonatal sepsis cases (incidence of 53 cases per 1,000 live births). The average number of prenatal appointments with a doctor was 5.2 (SD=1.8). The number of women with prenatal follow-up was 269 (89.1%), but only 117 (43.4%) of them went to six or more medical appointments, 90 (29.8%) had premature rupture of membranes before delivery, but only 22 (7.3%) had it for more than 18 hours. A total of 123 women (40.7%) complained of vaginal discharge, but only 47 (15.6%) of them had bacterial vaginosis, 92 (30.4%) complained of urinary infection, but only 23 (7.6%) of them had bacteriuria, two (0.7%) had fever at home, 122 (40.4%) received intra-partum antibiotic prophylaxis, 40 (13.2%) had premature delivery and 37 (12.3%) had low-birth-weight babies. Gestational age was a significant risk factor (RR=92.9; IC95%:12.6-684.7), as well as the number of prenatal appointments (RR=10,8; IC95%:1,4-80,8), fever (RR=10,0; IC95%:2,3-43,5), low-birth-weight (RR=21,5; IC95%:7,3-63,2) and early neonatal death (RR=89,4; IC95%:11,16-720,6). A significant difference of 5% was found in the comparison of the averages of lower number of prenatal appointments, prematurity and lower birth weight. CONCLUSIONS: the major microorganism isolated in the newborns’ blood culture was the Streptococcus agalactiae. Prematurity, lack of prenatal follow up and low birth weight were the risk factors more associated with early neonatal sepsis.