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Revista Brasileira de Ginecologia e Obstetrícia. 2011;33(4):157-163
DOI 10.1590/S0100-72032011000400002
PURPOSE: to determine the best Doppler flow velocimetry index to predict small infants for gestational age (SGAI), in pregnant women with hypertensive syndromes. METHODS: a cross-sectional study was conducted enrolling 129 women with high blood pressure, submitted to dopplervelocimetry up to 15 days before delivery. Women with multiple fetuses, fetal malformations, genital bleeding, placental abruption, premature rupture of fetal membranes, smoking, use of illicit drugs, and chronic diseases were excluded. A receiver operating characteristic (ROC) curve for each Doppler variable was constructed to diagnose SGAI and the sensitivity (Se), specificity (Sp), positive (PLR) and negative (NLR) likelihood ratio were calculated. RESULTS: the area under the ROC curve for the middle cerebral artery resistance index was 52% (p=0.79) with Se, Sp, PLR, and NLR of 25.0, 89.1, 2.3 and 0.84% for a resistance index lower than 0.70, respectively. While the area under the ROC curve for the resistance index of the umbilical artery was 74% (p=0.0001), with Se=50.0%, Sp=90.0%, PLR=5.0 and NLR=0.56, for a resistance index higher or equal to 0.70. The area under the ROC curve for the resistance index umbilical artery/middle cerebral artery ratio was 75% (p=0.0001). When it was higher than 0.86, the Se, Sp, PLR and NLR were 70.8, 80.0, 3.4 and 0.36%, respectively. For the resistance index of the middle cerebral artery/uterine artery ratio, the area under the ROC curve was 71% (p=0.0001). We found a Se=52.2%, Sp=85.9%, PLR=3.7 and NLR=0.56, when the ratio was lower than 1.05. When we compared the area under the ROC curve of the four dopplervelocimetry indexes, we observed that only the resistance index umbilical artery/middle cerebral artery, resistance index middle cerebral artery/uterine artery and resistance index umbilical artery ratios seem to be useful for the prediction of SGA. CONCLUSION: in patients with high blood pressure during pregnancy, all dopplervelocimetry parameters, except the middle cerebral artery resistance index, can be used to predict SGAI. The umbilical artery/middle cerebral artery ratio seems to be the most recommended one.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2011;33(4):157-163
DOI 10.1590/S0100-72032011000400002
PURPOSE: to determine the best Doppler flow velocimetry index to predict small infants for gestational age (SGAI), in pregnant women with hypertensive syndromes. METHODS: a cross-sectional study was conducted enrolling 129 women with high blood pressure, submitted to dopplervelocimetry up to 15 days before delivery. Women with multiple fetuses, fetal malformations, genital bleeding, placental abruption, premature rupture of fetal membranes, smoking, use of illicit drugs, and chronic diseases were excluded. A receiver operating characteristic (ROC) curve for each Doppler variable was constructed to diagnose SGAI and the sensitivity (Se), specificity (Sp), positive (PLR) and negative (NLR) likelihood ratio were calculated. RESULTS: the area under the ROC curve for the middle cerebral artery resistance index was 52% (p=0.79) with Se, Sp, PLR, and NLR of 25.0, 89.1, 2.3 and 0.84% for a resistance index lower than 0.70, respectively. While the area under the ROC curve for the resistance index of the umbilical artery was 74% (p=0.0001), with Se=50.0%, Sp=90.0%, PLR=5.0 and NLR=0.56, for a resistance index higher or equal to 0.70. The area under the ROC curve for the resistance index umbilical artery/middle cerebral artery ratio was 75% (p=0.0001). When it was higher than 0.86, the Se, Sp, PLR and NLR were 70.8, 80.0, 3.4 and 0.36%, respectively. For the resistance index of the middle cerebral artery/uterine artery ratio, the area under the ROC curve was 71% (p=0.0001). We found a Se=52.2%, Sp=85.9%, PLR=3.7 and NLR=0.56, when the ratio was lower than 1.05. When we compared the area under the ROC curve of the four dopplervelocimetry indexes, we observed that only the resistance index umbilical artery/middle cerebral artery, resistance index middle cerebral artery/uterine artery and resistance index umbilical artery ratios seem to be useful for the prediction of SGA. CONCLUSION: in patients with high blood pressure during pregnancy, all dopplervelocimetry parameters, except the middle cerebral artery resistance index, can be used to predict SGAI. The umbilical artery/middle cerebral artery ratio seems to be the most recommended one.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2009;31(6):285-292
DOI 10.1590/S0100-72032009000600004
PURPOSE: to investigate the main factors associated with fetal death in the city of Recife, Pernambuco, Brazil. METHODS: an observational, case-control study, including cases attended from June 1st 2004 to 31st March 2005. A number of 116 stillbirth cases and 472 live birth controls, with deliveries assisted at the service, were included. The cases were identified in the record book from the delivery room. The puerperium women were identified by the name and register number at a puerperium infirmary. The controls were selected, using the puerperium infirmary neighborhood criterion, identifying the beds with numbers immediately lower (two patients) and higher (two patients) than the patient's, as far as they had delivered live babies. In case they did not agree to participate in the research, the next beds with numbers consecutively lower or higher were approached. The χ2 association and Fisher's exact tests were used when necessary to test the association between the independent (predictive) and dependent (stillborn) variables, considering 5% as the significance level. To determine the association strength, the estimate of relative risk for case-control cases, Odds Ratio (OR) was used, with 95% as the confidence interval (CI). Logistic regression analysis according to the hierarchy model was done to control confounding factors. RESULTS: the fetal mortality rate corresponded to 24.4 by 1,000 births. After the multivariate analysis, the variables which kept significantly associated with fetal death were: malformation (OR=7.5; CI=3.2-17.4), number of pre-natal appointments lower than six (OR=4.4; CI=2.5-7.5), hemorrhagic syndromes (OR=2.9; CI=1.4-5.7), attendance in another hospital unit along the 24 hours which preceded the patient's admission in the institution (OR=2.9; CI=1.8-4.6), mothers' age over or equal to 35 years old (OR=2.2; CI=1.0-4.9) and schooling lower than eight years (OR=1.6; CI=1.02-2.6). CONCLUSIONS: it was found a high fetal mortality coefficient, the main factors associated with death were: malformation, number of pre-natal appointments lower than six, hemorrhagic syndromes, history of attendance previous to the hospital admission, mothers' age over or equal to 35 and schooling lower than eight years.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2009;31(6):285-292
DOI 10.1590/S0100-72032009000600004
PURPOSE: to investigate the main factors associated with fetal death in the city of Recife, Pernambuco, Brazil. METHODS: an observational, case-control study, including cases attended from June 1st 2004 to 31st March 2005. A number of 116 stillbirth cases and 472 live birth controls, with deliveries assisted at the service, were included. The cases were identified in the record book from the delivery room. The puerperium women were identified by the name and register number at a puerperium infirmary. The controls were selected, using the puerperium infirmary neighborhood criterion, identifying the beds with numbers immediately lower (two patients) and higher (two patients) than the patient's, as far as they had delivered live babies. In case they did not agree to participate in the research, the next beds with numbers consecutively lower or higher were approached. The χ2 association and Fisher's exact tests were used when necessary to test the association between the independent (predictive) and dependent (stillborn) variables, considering 5% as the significance level. To determine the association strength, the estimate of relative risk for case-control cases, Odds Ratio (OR) was used, with 95% as the confidence interval (CI). Logistic regression analysis according to the hierarchy model was done to control confounding factors. RESULTS: the fetal mortality rate corresponded to 24.4 by 1,000 births. After the multivariate analysis, the variables which kept significantly associated with fetal death were: malformation (OR=7.5; CI=3.2-17.4), number of pre-natal appointments lower than six (OR=4.4; CI=2.5-7.5), hemorrhagic syndromes (OR=2.9; CI=1.4-5.7), attendance in another hospital unit along the 24 hours which preceded the patient's admission in the institution (OR=2.9; CI=1.8-4.6), mothers' age over or equal to 35 years old (OR=2.2; CI=1.0-4.9) and schooling lower than eight years (OR=1.6; CI=1.02-2.6). CONCLUSIONS: it was found a high fetal mortality coefficient, the main factors associated with death were: malformation, number of pre-natal appointments lower than six, hemorrhagic syndromes, history of attendance previous to the hospital admission, mothers' age over or equal to 35 and schooling lower than eight years.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(6):297-302
DOI 10.1590/S0100-72032007000600004
PURPOSE: to identify the main characteristics of the diagnostic and surgical gynecological laparoscopies carried out in patients with reproductive difficulties at a teaching hospital in Recife, from 2000 and 2004. METHODS: a hospital based descriptive case-series study was carried out with 295 patients who had undergone gynecological laparoscopy for either infertility or tube recanalization in the Mother and Child Health Professor Fernando Figueira Institute. Information was obtained from the surgical records of the laparoscopies carried out from January 2000 to December 2004. The inclusion criteria was infertility or pre-recanalization study as a surgical indication. The information was typed twice into a data bank. Tables with central measurements and dispersion tendency were created for the quantitative variables and frequency distribution for the categorical variables. The statistical program, Epi Info 3.3.2., was used to analyze the data. RESULTS: along the study, 462 gynecological laparoscopies were analyzed, 295 (63.8%) of them having as an indication either infertility (41.1%) or the study of possible tube recanalization (18.8%). The patients’ average age in both groups was from 30 to 34 years old. Among the 87 patients with desire of tube recanalization, 55.2% had one or both tubes inadequate for the procedure, and from those, 52.1% was diagnosed with tube amputation (fimbrectomy). In the infertility cases, the most observed findings were adherences (60.6%), tube obstruction (40.9%) and endometriosis (36.1%). Among the procedures carried out, lysis of adherences (34.2%) and biopsies (21%) were the most frequent, followed by endometriosis treatment (10.8%) and salpingostomy (10.8%). CONCLUSION: videolaparoscopy is an important tool in the study and treatment of patients with infertility and before tube recanalization, especially in those hospitals where advanced reproductive techniques are not available.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(6):297-302
DOI 10.1590/S0100-72032007000600004
PURPOSE: to identify the main characteristics of the diagnostic and surgical gynecological laparoscopies carried out in patients with reproductive difficulties at a teaching hospital in Recife, from 2000 and 2004. METHODS: a hospital based descriptive case-series study was carried out with 295 patients who had undergone gynecological laparoscopy for either infertility or tube recanalization in the Mother and Child Health Professor Fernando Figueira Institute. Information was obtained from the surgical records of the laparoscopies carried out from January 2000 to December 2004. The inclusion criteria was infertility or pre-recanalization study as a surgical indication. The information was typed twice into a data bank. Tables with central measurements and dispersion tendency were created for the quantitative variables and frequency distribution for the categorical variables. The statistical program, Epi Info 3.3.2., was used to analyze the data. RESULTS: along the study, 462 gynecological laparoscopies were analyzed, 295 (63.8%) of them having as an indication either infertility (41.1%) or the study of possible tube recanalization (18.8%). The patients’ average age in both groups was from 30 to 34 years old. Among the 87 patients with desire of tube recanalization, 55.2% had one or both tubes inadequate for the procedure, and from those, 52.1% was diagnosed with tube amputation (fimbrectomy). In the infertility cases, the most observed findings were adherences (60.6%), tube obstruction (40.9%) and endometriosis (36.1%). Among the procedures carried out, lysis of adherences (34.2%) and biopsies (21%) were the most frequent, followed by endometriosis treatment (10.8%) and salpingostomy (10.8%). CONCLUSION: videolaparoscopy is an important tool in the study and treatment of patients with infertility and before tube recanalization, especially in those hospitals where advanced reproductive techniques are not available.
