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- Kro, G A B, et al.
(författare)
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A new tool for the validation of umbilical cord acid-base data.
- 2010
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Ingår i: BJOG : an international journal of obstetrics and gynaecology. - : Wiley. - 1471-0528 .- 1470-0328. ; 117:12, s. 1544-52
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Tidskriftsartikel (refereegranskat)abstract
- To identify the distribution of carbon dioxide tension (pCO(2) ) relative to pH in validated umbilical cord acid-base data.
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| 3. |
- Edvinsson, B, et al.
(författare)
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Real-time PCR targeting a 529-bp repeat element for diagnosis of toxoplasmosis
- 2006
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Ingår i: Clinical Microbiology and Infection. - : Elsevier BV. - 1198-743X .- 1469-0691. ; 12:2, s. 131-136
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Tidskriftsartikel (refereegranskat)abstract
- Sensitive and rapid detection of infection with Toxoplasma gondii in transplanted immunocompromised patients is crucial for a good prognosis. Two DNA fragments are used currently for detecting T. gondii infection by PCR, i.e., the B1 gene and a 529-bp repeat element that exists in 200-300 copies/genome. This study investigated whether targeting the 529-bp repeat element gives better sensitivity and accuracy than can be obtained when targeting the B1 gene (35 copies) when concentrations of T. gondii DNA are low. The results demonstrated that detection of the 529-bp repeat element increased diagnostic sensitivity and accuracy. Addition of an internal amplification control did not affect the PCR performance and was useful in order to monitor PCR inhibition by non-specific DNA in the LightCycler instrument. The real-time PCR was used successfully in a clinical context to monitor parasitaemia in the blood of a transplant recipient suffering from toxoplasmosis.
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| 4. |
- Kro, GA, et al.
(författare)
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Association between umbilical cord artery pCO₂ and the Apgar score; elevated levels of pCO₂ may be beneficial for neonatal vitality after moderate acidemia.
- 2013
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Ingår i: Acta Obstetricia et Gynecologica Scandinavica. - : John Wiley & Sons Ltd.. - 0001-6349 .- 1600-0412. ; 92:6, s. 662-70
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Tidskriftsartikel (refereegranskat)abstract
- OBJECTIVE: To determine the association between 5-min Apgar score and umbilical cord artery carbon dioxide tension (pCO₂). DESIGN: Observational study. SETTING: European hospital labor wards. POPULATION: Data from 36,432 newborns ≥36 gestational weeks were obtained from three sources: two trials of monitoring with fetal electrocardiogram (the Swedish randomized controlled trial and the European Union Fetal ECG trial) and Mölndal Hospital data. After validation of the acid-base values, 25,806 5-min Apgar scores were available for analysis. METHODS: Validation of the umbilical cord acid-base values was performed to obtain reliable data. 5-min Apgar score was regressed against cord artery pCO₂ in a polynomial multilevel model. MAIN OUTCOME MEASURES: Five-min Apgar score, umbilical cord pCO₂, pH, and base deficit. RESULTS: Overall, a higher cord artery pCO₂ was found to be associated with lower 5-min Apgar scores. However, among newborns with moderate acidemia, lower umbilical cord artery pCO₂ (≤median pCO₂ for the specific cord artery pH) was associated with lower 5-min Apgar scores, with a relative risk of 2.0 (95% confidence interval: 1.4-2.8) for 5-min Apgar scores 0-6. CONCLUSIONS: Metabolic acidosis affects the newborn's vitality more than respiratory acidosis. In addition, elevated levels of pCO₂ may be beneficial for fetuses with moderate acidemia, and thus cord artery pCO₂ is a factor that should be considered when assessing the compromised newborn.
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| 6. |
- Bakken, K. S., et al.
(författare)
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Higher risk for adverse obstetric outcomes among immigrants of African and Asian Descent: A comparison study at a low-risk maternity hospital in Norway
- 2015
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Ingår i: Birth. - : Wiley. - 0730-7659 .- 1523-536X. ; 42:2, s. 132-140
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Tidskriftsartikel (refereegranskat)abstract
- Background: Immigrants have higher risks for some adverse obstetric outcomes, and 40 percent of women giving birth at the low-risk maternity ward in Baerum Hospital, Norway, are immigrants. This study compared obstetric outcomes between immigrants and ethnic Norwegians giving birth in a low-risk setting. Methods: This was a population-based study linking the Medical Birth Registry of Norway to Statistics Norway. The study included the first registered birth during the study period to immigrant and ethnic Norwegian women at Baerum Hospital from 2006 to 2010. The main outcome measures were onset of labor, operative vaginal delivery, cesarean delivery, episiotomy, postpartum bleeding >500mL, epidural analgesia, labor dystocia, gestational age, meconium-stained liquor, 5-minute Apgar score, birthweight, and transfer to a neonatal intensive care unit. Results: A total of 11,540 women originating from 141 countries were divided into seven groups. Compared with Norwegians, women from East, Southeast, and Central Asia had increased risk for operative vaginal delivery, postpartum bleeding, and low Apgar score. The African women had increased risk for postterm birth, meconium-stained liquor, episiotomy, operative vaginal delivery, emergency cesarean delivery, postpartum bleeding, low Apgar score, and low birthweight. Women from South and Western Asia had increased risk for low birthweight. Conclusion: Obstetric outcomes of immigrants differ significantly from those of Norwegians, even in a low-risk maternity unit. Thus, immigrant women would benefit from more targeted care during pregnancy and childbirth, even in low-risk settings. © 2015 Wiley Periodicals, Inc.
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| 7. |
- Bakken, K. S., et al.
(författare)
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Immigrants from conflict-zone countries: an observational comparison study of obstetric outcomes in a low-risk maternity ward in Norway
- 2015
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Ingår i: Bmc Pregnancy and Childbirth. - : Springer Science and Business Media LLC. - 1471-2393. ; 15
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Tidskriftsartikel (refereegranskat)abstract
- Background: Immigrants have higher risks for some adverse obstetric outcomes. Furthermore, refugees are reported to be the most vulnerable group. This study compared obstetric outcomes between immigrant women originating from conflict-zone countries and ethnic Norwegians who gave birth in a low-risk setting. Methods: This was a population-based study linking the Medical Birth Registry of Norway to Statistics Norway. The study included the first registered birth during the study period of women from Somalia (n = 278), Iraq (n = 166), Afghanistan (n = 71), and Kosovo (n = 67) and ethnic Norwegians (n = 6826) at Baerum Hospital from 2006-2010. Background characteristics and obstetric outcomes of each immigrant group were compared with ethnic Norwegians with respect to proportions and risks calculated by logistic regression models. Results: In total, 7408 women and their births were analyzed. Women from Somalia were most at risk for adverse obstetric outcomes. Compared with ethnic Norwegians, they had increased odds ratios (OR) for emergency cesarean section (OR 1.81, CI 1.17-2.80), postterm birth (OR 1.93, CI 1.29-2.90), meconium-stained liquor (OR 2.39, CI 1.76-3.25), and having a small-for-gestational-age infant (OR 3.97, CI 2.73-5.77). They had a reduced OR for having epidural analgesia (OR 0.40, CI 0.28-0.56) and a large-for-gestational-age infant (OR 0.32, CI 0.16-0.64). Women from Iraq and Afghanistan had increased risk of having a small-for-gestational-age infant with OR of 2.21 (CI 1.36-3.60) and 2.77 (CI 1.42-5.39), respectively. Iraqi women also had reduced odds ratio of having a large-for-gestational-age infant (OR 0.35, CI 0.15-0.83). Women from Kosovo did not differ from ethnic Norwegians in any of the outcomes we tested. Conclusions: Even in our low-risk maternity ward, women originating from Somalia were at the greatest risk for adverse obstetric outcomes in the compared groups. We could not find the same risk among the other immigrant women, also originating from conflict-zone countries. Several factors may influence these findings, and this study suggests that immigrant women from Somalia need more targeted care during pregnancy and childbirth.
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| 9. |
- Di Renzo, G C, et al.
(författare)
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Intrapartum GBS screening and antibiotic prophylaxis : a European consensus conference
- 2015
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Ingår i: The Journal of Maternal-Fetal & Neonatal Medicine. - : Informa UK Limited. - 1476-7058 .- 1476-4954. ; 7-8, s. 766-782
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Tidskriftsartikel (refereegranskat)abstract
- Abstract Group B streptococcus (GBS) remains worldwide a leading cause of severe neonatal disease. Since the end of the 1990s, various strategies for prevention of the early onset neonatal disease have been implemented and have evolved. When a universal antenatal GBS screening-based strategy is used to identify women who are given an intrapartum antimicrobial prophylaxis, a substantial reduction of incidence up to 80% has been reported in the USA as in other countries including European countries. However recommendations are still a matter of debate due to challenges and controversies on how best to identify candidates for prophylaxis and to drawbacks of intrapartum administration of antibiotics. In Europe, some countries recommend either antenatal GBS screening or risk-based strategies, or any combination, and others do not have national or any other kind of guidelines for prevention of GBS perinatal disease. Furthermore, accurate population-based data of incidence of GBS neonatal disease are not available in some countries and hamper good effectiveness evaluation of prevention strategies. To facilitate a consensus towards European guidelines for the management of pregnant women in labor and during pregnancy for the prevention of GBS perinatal disease, a conference was organized in 2013 with a group of experts in neonatology, gynecology-obstetrics and clinical microbiology coming from European representative countries. The group reviewed available data, identified areas where results were suboptimal, where revised procedures and new technologies could improve current practices for prevention of perinatal GBS disease. The key decision issued after the conference is to recommend intrapartum antimicrobial prophylaxis based on a universal intrapartum GBS screening strategy using a rapid real time testing.
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