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You searched for:"Virgilio Gonçalves de Souza Júnior"
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Revista Brasileira de Ginecologia e Obstetrícia. 2005;27(12):719-725
DOI 10.1590/S0100-72032005001200003
PURPOSE: to evaluate the prevalence, epidemiological profile (age and origin) and vertical transmission rate of HTLV I/II infection in pregnant women screened by the Pregnant Protection Program of the State of Mato Grosso do Sul Brazil. METHODS: it is a descriptive and transversal study of 32,512 pregnant women submitted to a prenatal screening from November 2002 to October 2003. HTLV I/II infection was diagnosed in all pregnant women by ELISA, confirmed by Western blot and PCR. Congenital HTLV infection was investigated by ELISA test, Western blot and PCR performed on the child's blood sample. The associations between data (age, origin and HTLV infection) were statistically analyzed by the chi2 test considering p<0.05 to reject the null hypothesis. RESULTS: a prevalence of 0.1% (37) 0.1% HTLV I/II among 32,512 pregnant women was found. The mean age of the infected women was 25.4 ± 6.4 years, and 78.4% of them were from other areas than the capital. There was no association between maternal age and the patients' origin and infection. In all the eight evaluated newborns, which represented 21.6% of the sample, HTLV I/II serum antibodies were found. Only one newborn infant was breast-fed. CONCLUSIONS : HTLV I/II prevalence among pregnant women of the State of Mato Grosso do Sul Brazil was lower than the rates reported by endemic HTLV countries. This rate was almost the same as that described for non-endemic areas and in some Brazilian reports. The vertical transmission rate of HTLV I/II was 100%, in spite of breast-feeding having been proscribed. Improving the follow-up of the pregnant women and their newborns in the State is mandatory, since only a few infants were investigated.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2005;27(12):719-725
DOI 10.1590/S0100-72032005001200003
PURPOSE: to evaluate the prevalence, epidemiological profile (age and origin) and vertical transmission rate of HTLV I/II infection in pregnant women screened by the Pregnant Protection Program of the State of Mato Grosso do Sul Brazil. METHODS: it is a descriptive and transversal study of 32,512 pregnant women submitted to a prenatal screening from November 2002 to October 2003. HTLV I/II infection was diagnosed in all pregnant women by ELISA, confirmed by Western blot and PCR. Congenital HTLV infection was investigated by ELISA test, Western blot and PCR performed on the child's blood sample. The associations between data (age, origin and HTLV infection) were statistically analyzed by the chi2 test considering p<0.05 to reject the null hypothesis. RESULTS: a prevalence of 0.1% (37) 0.1% HTLV I/II among 32,512 pregnant women was found. The mean age of the infected women was 25.4 ± 6.4 years, and 78.4% of them were from other areas than the capital. There was no association between maternal age and the patients' origin and infection. In all the eight evaluated newborns, which represented 21.6% of the sample, HTLV I/II serum antibodies were found. Only one newborn infant was breast-fed. CONCLUSIONS : HTLV I/II prevalence among pregnant women of the State of Mato Grosso do Sul Brazil was lower than the rates reported by endemic HTLV countries. This rate was almost the same as that described for non-endemic areas and in some Brazilian reports. The vertical transmission rate of HTLV I/II was 100%, in spite of breast-feeding having been proscribed. Improving the follow-up of the pregnant women and their newborns in the State is mandatory, since only a few infants were investigated.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2005;27(8):442-449
DOI 10.1590/S0100-72032005000800002
PURPOSE: to establish the frequency of acute toxoplasmosis in pregnant women, vertical transmission rate and the perinatal results of the infected fetuses and also to evaluate the relationship between the most used maternal-fetal diagnostic tests for toxoplasmosis during pregnancy and the relationship between age and acute toxoplasmosis infection during pregnancy. METHODS: longitudinal prospective study of 32,512 pregnant women attended by The Pregnancy Protection Program of the State of Mato Grosso do Sul - Brazil, from November 2002 to October 2003. ELISA (IgG and IgM) and IgG avidity test were performed for maternal diagnosis and amniotic fluid PCR for fetal investigation of the infection. The relationship between data was analyzed statistically by the chi2 or two-sided Fisher's exact test in contingency tables. RESULTS: a 0.42% frequency of acute Toxoplasma gondii infection among pregnant population was found, where 92% were previously exposed and 8% were susceptible. Among IgM-positive pregnant women, the age ranged from 14 to 39 years, with a mean of 23±5.9 years. There was no statistically significant relationship between age and maternal acute T. gondii infection (p=0.73). The vertical transmission rate was 3.9%. A statistically significant relationship was shown (p=0.001) between a lower avidity IgG test (<30%) and the presence of fetal infection and a higher IgG avidity test (>60%) and the absence of fetal infection. There was a statistically significant association (p=0.001) between fetal infection (amniotic fluid PCR) and neonatal infection. CONCLUSIONS: maternal acute toxoplasmosis frequency was lower than the Brazilian national parameters, whereas vertical transmission rate did not differ from the rates found in other studies. The IgG avidity test, when associated with gestational age and the examination date, was useful to evaluate the therapeutical options and to consider the risk of vertical transmission when performed before 12 weeks. Positive PCR in amniotic fluid showed a positive relationship with the worst neonatal prognosis, being a specific method in diagnosing intrauterine fetal infection.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2005;27(8):442-449
DOI 10.1590/S0100-72032005000800002
PURPOSE: to establish the frequency of acute toxoplasmosis in pregnant women, vertical transmission rate and the perinatal results of the infected fetuses and also to evaluate the relationship between the most used maternal-fetal diagnostic tests for toxoplasmosis during pregnancy and the relationship between age and acute toxoplasmosis infection during pregnancy. METHODS: longitudinal prospective study of 32,512 pregnant women attended by The Pregnancy Protection Program of the State of Mato Grosso do Sul - Brazil, from November 2002 to October 2003. ELISA (IgG and IgM) and IgG avidity test were performed for maternal diagnosis and amniotic fluid PCR for fetal investigation of the infection. The relationship between data was analyzed statistically by the chi2 or two-sided Fisher's exact test in contingency tables. RESULTS: a 0.42% frequency of acute Toxoplasma gondii infection among pregnant population was found, where 92% were previously exposed and 8% were susceptible. Among IgM-positive pregnant women, the age ranged from 14 to 39 years, with a mean of 23±5.9 years. There was no statistically significant relationship between age and maternal acute T. gondii infection (p=0.73). The vertical transmission rate was 3.9%. A statistically significant relationship was shown (p=0.001) between a lower avidity IgG test (<30%) and the presence of fetal infection and a higher IgG avidity test (>60%) and the absence of fetal infection. There was a statistically significant association (p=0.001) between fetal infection (amniotic fluid PCR) and neonatal infection. CONCLUSIONS: maternal acute toxoplasmosis frequency was lower than the Brazilian national parameters, whereas vertical transmission rate did not differ from the rates found in other studies. The IgG avidity test, when associated with gestational age and the examination date, was useful to evaluate the therapeutical options and to consider the risk of vertical transmission when performed before 12 weeks. Positive PCR in amniotic fluid showed a positive relationship with the worst neonatal prognosis, being a specific method in diagnosing intrauterine fetal infection.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2004;26(10):813-817
DOI 10.1590/S0100-72032004001000009
Maternal phenylketonuria is an aminoacid pathology characterized by elevated plasma levels of phenylalanine in the pregnant woman that may cause abnormalities in fetus development, and which is called maternal phenylketonuria syndrome. As the clinical manifestations are non-specific, the disease should be diagnosed by laboratory screening. We present a case of a second pregnancy in a woman with a history of psycho-cognitive development retardation without previous obstetric history, with diagnosis of phenylketonuria in the present gestation, treated with specific phenylalanine-free diet. The newborn did not present congenital defects. The previous gestation without maternal treatment resulted in a child with serious developmental disturbances, microcephalia and auditory-speaking deficits. Early diagnosis and treatment of hyperphenylalaninemia during pregnancy are essential, mainly because of the negative impact on fetal development. In the here reported case, there were fetal benefits from the maternal dietary treatment, which demonstrates the importance of the maternal diagnosis of phenylketonuria in women in reproductive age.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2004;26(10):813-817
DOI 10.1590/S0100-72032004001000009
Maternal phenylketonuria is an aminoacid pathology characterized by elevated plasma levels of phenylalanine in the pregnant woman that may cause abnormalities in fetus development, and which is called maternal phenylketonuria syndrome. As the clinical manifestations are non-specific, the disease should be diagnosed by laboratory screening. We present a case of a second pregnancy in a woman with a history of psycho-cognitive development retardation without previous obstetric history, with diagnosis of phenylketonuria in the present gestation, treated with specific phenylalanine-free diet. The newborn did not present congenital defects. The previous gestation without maternal treatment resulted in a child with serious developmental disturbances, microcephalia and auditory-speaking deficits. Early diagnosis and treatment of hyperphenylalaninemia during pregnancy are essential, mainly because of the negative impact on fetal development. In the here reported case, there were fetal benefits from the maternal dietary treatment, which demonstrates the importance of the maternal diagnosis of phenylketonuria in women in reproductive age.
