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Revista Brasileira de Ginecologia e Obstetrícia. 2015;37(10):455-459
DOI 10.1590/SO100-720320150005271
To analyze the obstetrical and neonatal outcomes of pregnancies with small for gestation age fetuses after 35 weeks based on umbilical cord nucleated red blood cells count (NRBC).
NRBC per 100 white blood cells were analyzed in 61 pregnancies with small for gestation age fetuses and normal Doppler findings for the umbilical artery. The pregnancies were assigned to 2 groups: NRBC≥10 (study group, n=18) and NRBC<10 (control group, n=43). Obstetrical and neonatal outcomes were compared between these groups. The χ2 test or Student's t-test was applied for statistical analysis. The level of significance was set at 5%.
The mean±standard deviation for NRBC per 100 white blood cells was 25.0±13.5 for the study group and 3.9±2.2 for the control group. The NRBC≥10 group and NRBC<10 group were not significantly different in relation to maternal age (24.0 versus 26.0), primiparity (55.8 versus 50%), comorbidities (39.5 versus55.6%) and gestational age at birth (37.4 versus 37.0 weeks). The NRBC≥10 group showed higher rate of caesarean delivery (83.3 versus 48.8%, p=0.02), fetal distress (60 versus 0%, p<0.001) and pH<7.20 (42.9 versus 11.8%, p<0.001). The birth weight and percentile of birth weight for gestational age were significantly lower on NRBC≥10 group (2,013 versus 2,309 g; p<0.001 and 3.8 versus 5.1; p=0.004; respectively). There was no case described of 5th minute Apgar score below 7.
An NRBC higher than 10 per 100 white blood cells in umbilical cord was able to identify higher risk for caesarean delivery, fetal distress and acidosis on birth in small for gestational age fetuses with normal Doppler findings.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2015;37(10):455-459
DOI 10.1590/SO100-720320150005271
To analyze the obstetrical and neonatal outcomes of pregnancies with small for gestation age fetuses after 35 weeks based on umbilical cord nucleated red blood cells count (NRBC).
NRBC per 100 white blood cells were analyzed in 61 pregnancies with small for gestation age fetuses and normal Doppler findings for the umbilical artery. The pregnancies were assigned to 2 groups: NRBC≥10 (study group, n=18) and NRBC<10 (control group, n=43). Obstetrical and neonatal outcomes were compared between these groups. The χ2 test or Student's t-test was applied for statistical analysis. The level of significance was set at 5%.
The mean±standard deviation for NRBC per 100 white blood cells was 25.0±13.5 for the study group and 3.9±2.2 for the control group. The NRBC≥10 group and NRBC<10 group were not significantly different in relation to maternal age (24.0 versus 26.0), primiparity (55.8 versus 50%), comorbidities (39.5 versus55.6%) and gestational age at birth (37.4 versus 37.0 weeks). The NRBC≥10 group showed higher rate of caesarean delivery (83.3 versus 48.8%, p=0.02), fetal distress (60 versus 0%, p<0.001) and pH<7.20 (42.9 versus 11.8%, p<0.001). The birth weight and percentile of birth weight for gestational age were significantly lower on NRBC≥10 group (2,013 versus 2,309 g; p<0.001 and 3.8 versus 5.1; p=0.004; respectively). There was no case described of 5th minute Apgar score below 7.
An NRBC higher than 10 per 100 white blood cells in umbilical cord was able to identify higher risk for caesarean delivery, fetal distress and acidosis on birth in small for gestational age fetuses with normal Doppler findings.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2014;36(6):264-268
DOI 10.1590/S0100-720320140004935
The aim of this study was to analize and describe some characteristics related to a false diagnosis of intrauterine growth restriction (IUGR).
We retrospectively included 48 pregnant women referred to our service with a suspected diagnosis of IUGR that was not confirmed after birth and we compared them to another group with confirmed IUGR. We then analyzed the characteristics of the false-positive results. The results of the study were divided into continuous and categorical variables for analysis. The χ2test or Fisher exact test was applied to compare proportions. The level of significance was set at p<0.05 for all tests.
In our sample, pregnant women with a false diagnosis of IUGR had the following characteristics: they were referred earlier (mean gestational age of 32.8 weeks); were submitted to 2 to 6 ultrasound examinations before been registered in our service; in 25% of cases ultrasound examination was performed before 12 weeks; in 66.7% of cases the symphysis-fundal height measurement was normal; in 52.1% of cases they had at least 1 sonographic exam above the 10th percentile; on average, the last ultrasound examination (performed on average at 36 weeks) was above the 18th percentile; the women were submitted to a mean number of 5 ultrasound examinations and to a mean number of 4.6 vitality exams.
The false diagnosis of IUGR involves high hospital costs and higher demand for specialists. The symphysis-fundal height measurement must be valued, and the diagnosis of IUGR must be confirmed with ultrasonography in the last weeks of pregnancy before any obstetric management is taken.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2014;36(6):264-268
DOI 10.1590/S0100-720320140004935
The aim of this study was to analize and describe some characteristics related to a false diagnosis of intrauterine growth restriction (IUGR).
We retrospectively included 48 pregnant women referred to our service with a suspected diagnosis of IUGR that was not confirmed after birth and we compared them to another group with confirmed IUGR. We then analyzed the characteristics of the false-positive results. The results of the study were divided into continuous and categorical variables for analysis. The χ2test or Fisher exact test was applied to compare proportions. The level of significance was set at p<0.05 for all tests.
In our sample, pregnant women with a false diagnosis of IUGR had the following characteristics: they were referred earlier (mean gestational age of 32.8 weeks); were submitted to 2 to 6 ultrasound examinations before been registered in our service; in 25% of cases ultrasound examination was performed before 12 weeks; in 66.7% of cases the symphysis-fundal height measurement was normal; in 52.1% of cases they had at least 1 sonographic exam above the 10th percentile; on average, the last ultrasound examination (performed on average at 36 weeks) was above the 18th percentile; the women were submitted to a mean number of 5 ultrasound examinations and to a mean number of 4.6 vitality exams.
The false diagnosis of IUGR involves high hospital costs and higher demand for specialists. The symphysis-fundal height measurement must be valued, and the diagnosis of IUGR must be confirmed with ultrasonography in the last weeks of pregnancy before any obstetric management is taken.
