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Revista Brasileira de Ginecologia e Obstetrícia. 2014;36(1):10-16
DOI 10.1590/S0100-72032014000100004
To investigate the association of perinatal variables with the birth of very low birth weight (VLBW) preterm newborns.
It was a retrospective study of the medical records of infants born after spontaneous preterm labor with admission to a neonatal intensive care unit. Preterm infants were divided into two groups: very low birth weight (VLBW) group (weight <1,500 g) and low birth weight (LBW) group (weight ≥1,500 g and <2,500 g). Prenatal variables such as maternal complications during pregnancy and childbirth/postpartum, and fetal/neonatal complications were investigated. Statistical analysis was performed using the Fisher exact test or χ2 test, with calculation of relative risk (RR), and the Student t test for comparison of group means, with the level of significance set at p≤0.05.
Hemorrhagic comorbidities (p=0.006; RR=1.2) and hypertension (p=0.04; RR=1.5), surgical delivery (p=0.001; RR=0.5), gestational age <33 weeks (p< 0.001; RR=16.7) and Apgar score at 1st and 5th minute (p=0.006; RR=1.6; p=0.01; RR=1.9) were associated with the occurrence of VLBW. Infants with VLBW had a significant association with the occurrence of metabolic comorbidities (p=0.01; RR=1.8), neurological (p=0.01; RR=1.7) and infectious diseases (p=0.001; RR=1.9), hospitalization >4 weeks (p=0.02; RR=1.8) and early neonatal death (p=0.0001; RR=2.9).
Factors such as hypertension and bleeding comorbidities during delivery and management of gestational age of less than 33 weeks were associated with the birth of VLBW newborns. This group of infants also showed higher RR for the occurrence of early neonatal death.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2014;36(1):10-16
DOI 10.1590/S0100-72032014000100004
To investigate the association of perinatal variables with the birth of very low birth weight (VLBW) preterm newborns.
It was a retrospective study of the medical records of infants born after spontaneous preterm labor with admission to a neonatal intensive care unit. Preterm infants were divided into two groups: very low birth weight (VLBW) group (weight <1,500 g) and low birth weight (LBW) group (weight ≥1,500 g and <2,500 g). Prenatal variables such as maternal complications during pregnancy and childbirth/postpartum, and fetal/neonatal complications were investigated. Statistical analysis was performed using the Fisher exact test or χ2 test, with calculation of relative risk (RR), and the Student t test for comparison of group means, with the level of significance set at p≤0.05.
Hemorrhagic comorbidities (p=0.006; RR=1.2) and hypertension (p=0.04; RR=1.5), surgical delivery (p=0.001; RR=0.5), gestational age <33 weeks (p< 0.001; RR=16.7) and Apgar score at 1st and 5th minute (p=0.006; RR=1.6; p=0.01; RR=1.9) were associated with the occurrence of VLBW. Infants with VLBW had a significant association with the occurrence of metabolic comorbidities (p=0.01; RR=1.8), neurological (p=0.01; RR=1.7) and infectious diseases (p=0.001; RR=1.9), hospitalization >4 weeks (p=0.02; RR=1.8) and early neonatal death (p=0.0001; RR=2.9).
Factors such as hypertension and bleeding comorbidities during delivery and management of gestational age of less than 33 weeks were associated with the birth of VLBW newborns. This group of infants also showed higher RR for the occurrence of early neonatal death.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2012;34(10):459-465
DOI 10.1590/S0100-72032012001000005
PURPOSES: To assess whether an enoxaparin-based intervention using a score system was effective in improving perinatal outcome in women with thrombophilia. METHODS: Study Design: Prospective, not randomized, uncontrolled, performed at a Clinic of High-Risk Pregnancy from November 2009 to November 2011. We included women with a diagnosis and therapeutic intervention for thrombophilia acquired and/or inherited in the current pregnancy. The obstetric and perinatal outcomes of pregnant women before the intervention were compared with outcomes after the intervention, and statistically analyzed using the χ2 test with Yates correction, considered significant when p<0.05. The initial dose of low-molecular-weight Heparin (LMWH) was guided by a scoring system based on the clinical and gestational history of the patients and screening tests for acquired and/or inherited thrombophilia. RESULTS: We included 84 pregnant women with 175 pregnancies before diagnosis, 20.0% of which resulted in fetal ou perinatal death, 40.0% resulted in abortion, 17.7% developed preeclampsia/eclampsia, 10.3% resulted in full-term births, and 29.7% in premature births. In the 84 pregnancies after intervention, 6.0% resulted in fetal ou perinatal death, 1.2% in abortion, 4.8% developed preeclampsia/eclampsia, 22.6% resulted in premature birth, and 70.2% in full-term birth. A significant reduction in the rate of stillbirths/perinatal death (p<0.05) and abortion (p<0.0001) and a significant increase (p<0.05) in the number of live births were observed after intervention. CONCLUSION: Enoxaparin-based intervention using a score system in pregnant women with thrombophilia is effective in improving perinatal outcome.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2012;34(10):459-465
DOI 10.1590/S0100-72032012001000005
PURPOSES: To assess whether an enoxaparin-based intervention using a score system was effective in improving perinatal outcome in women with thrombophilia. METHODS: Study Design: Prospective, not randomized, uncontrolled, performed at a Clinic of High-Risk Pregnancy from November 2009 to November 2011. We included women with a diagnosis and therapeutic intervention for thrombophilia acquired and/or inherited in the current pregnancy. The obstetric and perinatal outcomes of pregnant women before the intervention were compared with outcomes after the intervention, and statistically analyzed using the χ2 test with Yates correction, considered significant when p<0.05. The initial dose of low-molecular-weight Heparin (LMWH) was guided by a scoring system based on the clinical and gestational history of the patients and screening tests for acquired and/or inherited thrombophilia. RESULTS: We included 84 pregnant women with 175 pregnancies before diagnosis, 20.0% of which resulted in fetal ou perinatal death, 40.0% resulted in abortion, 17.7% developed preeclampsia/eclampsia, 10.3% resulted in full-term births, and 29.7% in premature births. In the 84 pregnancies after intervention, 6.0% resulted in fetal ou perinatal death, 1.2% in abortion, 4.8% developed preeclampsia/eclampsia, 22.6% resulted in premature birth, and 70.2% in full-term birth. A significant reduction in the rate of stillbirths/perinatal death (p<0.05) and abortion (p<0.0001) and a significant increase (p<0.05) in the number of live births were observed after intervention. CONCLUSION: Enoxaparin-based intervention using a score system in pregnant women with thrombophilia is effective in improving perinatal outcome.