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עמוד בית
Wed, 09.10.24

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January 2024
Ravit Peretz-Machluf MD, Mayan Gilboa MD, Shiran Bookstein-Peretz MD, Omri Segal MD, Noam Regev MD, Raanan Meyer MD, Gili Regev-Yochay MD, Yoav Yinon MD, Shlomi Toussia-Cohen MD

Background: Pregnant women are at higher risk for severe coronavirus disease 2019 (COVID-19). Since the release of the BNT162b2 messenger RNA vaccine (Pfizer/BioNTech), there has been accumulated data about the three vaccine doses. However, information regarding obstetric and neonatal outcomes of pregnant women vaccinated with the third (booster) vaccine is limited and primarily retrospective.

Objectives: To evaluate the obstetric and early neonatal outcomes of pregnant women vaccinated during pregnancy with the COVID-19 booster vaccine compared to pregnant women vaccinated only by the first two doses.

Methods: We conducted a cross-sectional study of pregnant women who received the BNT162b2 vaccine during pregnancy. Obstetric and neonatal outcomes were compared between pregnant women who received only the first two doses of the vaccine to those who also received the booster dose.

Results: Overall, 139 pregnant women were vaccinated during pregnancy with the first two doses of the vaccine and 84 with the third dose. The third dose group received the vaccine earlier during their pregnancy compared to the two doses group (212 vs. 315 weeks, respectively, P < 0.001). No differences in obstetric and early neonatal outcomes between the groups were found except for lower rates of urgent cesarean delivery in the third dose group (adjusted odds ratio 0.21; 95% confidence interval 0.048–0.926, P = 0.039).

Conclusions: Compared to the first two doses of the BNT162b2 vaccine given in pregnancy, the booster vaccination is safe and not associated with an increased rate of adverse obstetric and early neonatal outcomes.

February 2021
Marwan Hanna Pharm D and Ram Mazkereth MD

Extremely preterm infants are at high risk for mortality and morbidity including neurodevelopmental impairment from invasive Candida infections. Prophylactic antifungal therapy has been shown to reduce both colonization and invasive candidemia in high-risk preterm infants. Prophylactic treatment should be started in the first 48 to 72 hours after birth to extremely low birth weight (ELBW) infants (weighing ≤ 1000 grams at birth) or below 27 weeks gestation age with risk factors, or in any NICU with moderate (5–10%) or high (≥ 10%) rates of invasive candidiasis. Studies demonstrated the benefits of fluconazole prophylaxis regarding its safety of the short-term and long-term without the development of fungal resistance. Empiric antifungal therapy may lower mortality and improve outcomes

September 2020
Arieh Riskin MD PhD, Omer Itzchaki BSc, David Bader MD MHA, Adir Iofe MD, Arina Toropine MD and Shlomit Riskin-Mashiah MD MPH

Background: The incidence of gestational diabetes mellitus (GDM) is increasing in parallel to the worldwide obesity and type 2 diabetes pandemic. Both GDM and pre-gestational diabetes mellitus (PGDM) are associated with short- and long-term consequences in the offspring. There are few recent studies addressing outcomes of newborns born to women diagnosed with GDM and PGDM in Israel.

Objectives: To assess perinatal complications in offspring of women with GDM and PGDM.

Methods: The authors conducted a single-center retrospective case-control study of outcomes of all newborns whose mothers had been diagnosed with diabetes in pregnancy compared to randomly assigned controls born on the same date, whose mothers had no diabetes.

Results: In the study period 2015–2017, 526 mothers diagnosed with GDM or PGDM and their newborn infants were identified. The authors randomly assigned 526 control infants. The rate of women with diabetes in pregnancy was 5.0%. Mothers with GDM and PGDM had higher rates of pre-eclampsia, multiple pregnancies, and preterm deliveries. Mothers with PGDM had significantly higher rates of intrauterine fetal demise (4.3%), congenital anomalies (12.8%), and small-for-gestational-age neonates (10.6%) compared to controls (0%, 3.2%, and 4.2%, respectively, P < 0.001). The risks for preterm or cesarean delivery, large-for-gestational-age neonate, respiratory morbidity, hypoglycemia, and polycythemia were increased in offspring of mothers with diabetes, especially PGDM.

Conclusions: Despite all the advancements in prenatal care, diabetes in pregnancy, both PGDM and GDM, is still associated with significant morbidities and complications in offspring. Better preconception and inter-pregnancy care might reduce these risks

August 2020
Raanan Meyer MD, Gabriel Levin MD, Natav Hendin BSc and Eldad Katorza MD

Background: Channeling medical resources for coronavirus disease-2019 (COVID-19) management can potentially endanger routine healthcare practices. As a preventive measure, a department of obstetrics and gynecology in Israel constructed a separate, designated complex for its COVID-19-exposed patients.

Objectives: To evaluate the effect of the COVID-19 pandemic infection control measures on obstetric care in the obstetrical emergency department and delivery unit.

Methods: The authors collected data retrospectively from February 2020 to March 2020 and compared it to data of a parallel period in 2019.

Results: From 1 February 2020 to 28 March 2020, 3897 women were referred to the emergency department (ED), compared to 4067 the previous year. Mean duration of treatment until decision and referral indications did not differ between 2020 and 2019 (207 vs. 220 minutes, P = 0.26; urgent referrals 58.8% vs. 59.2%, P = 0.83). A per-week comparison showed a significant reduction in ED referrals only in the last week of the period (337 [2020] vs. 515 [2019], P < 0.001). The proportion of women admitted to the delivery unit in active labor was significantly higher in the last three weeks (39.1% vs. 28.2%, P = 0.005). During February and March 2020, 1666 women delivered, compared to 1654 during February and March 2019. The proportion of types and modes of delivery did not differ. In a per-week comparison, the number of deliveries did not differ (mean 208 vs. 206, P = 0.88).

Conclusions: With timely preparation and proper management, negative impact of COVID-19 can be reduced in obstetrical emergency departments.

November 2019
Ram Mazkereth MD, Ayala Maayan-Metzger MD, Leah Leibovitch MD, Irit Schushan-Eisen MD, Iris Morag MD and Tzipora Straus MD M.Sc

Background: The need for postnatal monitoring of infants exposed to intrauterine beta blockers (BBs) has not been clearly defined.

Objectives: To evaluate infants exposed to intrauterine BBs in order to estimate the need for postnatal monitoring.

Methods: This retrospective case-control study comprised 153 term infants born to mothers who had been treated with BBs during pregnancy. Treatment indications included hypertension 76 mothers (49.7%), cardiac arrhythmias 48 (31.4%), rheumatic heart disease 14 (9.1%), cardiomyopathy 11 (7.2%) and migraine 4 (2.6%). The controls were infants of mothers with hypertension not exposed to BBs who were born at the same gestational age and born closest (before or after) to the matched infant in the study group.

Results: Compared to the control group, the infants in the study group had a higher prevalence of early asymptomatic hypoglycemia (study 30.7% vs. control 18.3%, P = 0.016), short symptomatic bradycardia events, other cardiac manifestations (P = 0.016), and longer hospitalization (P < 0.001). No life-threatening medical conditions were documented. The birth weight was significantly lower for the high-dose subgroup compared to the low-dose subgroup (P = 0.03), and the high-dose subgroup had a higher incidence of small-for-gestational-age (P = 0.02).

Conclusions: No alarming or life-threatening medical conditions were observed among term infants born to BB treated mothers. These infants can be safely observed for 48 hours after birth close to their mothers in the maternity ward. Glucose follow-up is needed, especially in the first hours of life.

 

January 2016
Haim Bassan MD, Shimrit Uliel-Sibony MD, Shlomit Katsav BSc, Mira Farber BSc and Riva Tauman MD

Background: It has been suggested that sleep disordered breathing (SDB) during pregnancy may adversely influence maternal as well as fetal well being.

Objectives: To examine the effect of maternal SDB on neonatal neurological examination and perinatal complications.

Methods: Pregnant women of singleton uncomplicated pregnancies were prospectively recruited from a community and hospital low risk obstetric surveillance. All participants completed a sleep questionnaire in the second trimester and underwent ambulatory sleep evaluation (WatchPAT, Itamar Medical, Caesarea, Israel). They were categorized as SDB (apnea hypopnea index > 5) and non-SDB. Maternal and newborn records were reviewed and a neonatal neurologic examination was conducted during the first 48 hours. 

Results: The study group included 44 women and full-term infants; 11 of the women (25%) had SDB. Mean maternal age of the SDB and non-SDB groups was 32.3 ± 2.8 and 32.5 ± 4.7 years, respectively (P = 0.86). Mean body mass index before the pregnancy in the SDB and non-SDB groups was 25.8 ± 4.7 and 22.0 ± 2.5 kg/m2, respectively (P = 0.028). No differences were found between infants born to mothers with SDB and non-SDB in birth weight (3353.8 ± 284.8 vs. 3379.1 ± 492.4 g), gestational age (39.5 ± 0.9 vs. 39.2 ± 1.5 weeks), 5 minute Apgar scores (9.8 ± 0.6 vs. 9.9 ± 0.3), and neurologic examination scores (95.2 ± 3.9 vs. 94.6 ± 4.1). P value for all was not significant. 

Conclusions: Our preliminary results suggest that maternal mild SDB during pregnancy has no adverse effect on neonatal neurologic examination or on perinatal complications. 

 

June 2008
I. Arad, R. Braunstein and B. Bar-Oz

Background: A substantial number of premature deliveries occur in hospitals lacking neonatal intensive care facilities. We previously demonstrated a comparable outcome of very low birth weight infants delivered in a level II nursery to that of inborn infants delivered in our tertiary care center, but a similar comparison of extremely low birth weight infants has not been done.

Objectives: To compare the neonatal outcome (mortality, severe intraventricular hemorrhage/periventricular leukomalacia, bronchopulmonary dysplasia and intact survival) of inborn and outborn ELBW[1] infants, accounting for sociodemographic, obstetric and perinatal variables.

Methods: We compared 97 ELBW infants (birth weight ≤ 1000 g.) delivered between the years 2000 and 2004 in a hospital providing neonatal intensive care to 53 ELBW babies delivered in a referring hospital. A univariate model was first applied to examine the associations of the individual independent variables with the outcome variable, followed by a logistic stepwise regression analysis for each of the outcome variables. The odds ratios for each predictor were reported as well as their P values and 95% confidence intervals.

Results: In the stepwise logistic regression analysis, accounting for a possible confounding effect of the independent variables, ‘hospital of birth’ remained a statistically significant predictor in the final step only for mortality, with odds ratio (inborns relative to outborns) of 3.32 (95%CI[2] 1.19–9.28, P = 0.022). No statistically significant associations with the other outcome variables were found (severe IVH[3]/PVL[4] odds ratio = 1.99, 95%CI = 0.77–5.14, P = 0.155; BPD[5] odds ratio = 0.60, 95%CI = 0.19–1.91, P = 0.384; intact survival OR[6] = 0.56, 95%CI = 0.23–1.35, P = 0.195).






[1] ELBW = extremely low birth weight

[2] CI = confidence interval

[3] IVH = intraventricular hemorrhage

[4] PVL = periventricular leukomalacia

[5] BPD = bronchopulmonary dysplasia

[6] OR = odds ratio


July 2006
I. Arad, M. Baras, B. Bar-Oz and R. Gofin
 Background: Maternal transport, rather than neonatal transport, to tertiary care centers is generally advocated. Since a substantial number of premature deliveries still occur in hospitals with level I and level II nurseries, it is imperative to find means to improve their outcome.

Objectives: To compare the neonatal outcome (survival, intraventricular hemorrhage and bronchopulmonary dysplasia) of inborn and outborn very low birth weight infants, accounting for sociodemographic, obstetric and perinatal variables, with reference to earlier published data.

Methods: We compared 129 premature infants with birth weights of 750–1250 g delivered between 1996 and 2000 in a hospital providing neonatal intensive care to 99 premature babies delivered in a referring hospital. In the statistical analysis, variables with a statistical significant association with the outcome variables and dissimilar distribution in the two hospitals were identified and entered together with the hospital of birth as explanatory variables in a logistic regression.

Results: Accounting for the covariates, the odds ratios (outborns relative to inborns) were 0.31 (95% confidence interval = 0.11–0.86, P = 0.03) for mortality, 1.37 (95%CI[1] = 0.64–2.96, P = 0.42) for severe intraventricular hemorrhage, and 0.86 (95%CI = 0.38–1.97, P = 0.78) for bronchopulmonary dysplasia. The odds ratio for survival without severe intraventricular hemorrhage was 1.10 (95%CI = 0.55–2.20, P = 0.78). Comparing the current results with earlier (1990–94) published data from the same institution showed that mortality decreased in both the outborn and inborn infants (OR[2] = 0.23, 95%CI = 0.09–0.58, P = 0.002 and 0.46; 95%CI = 0.20–1.04, P = 0.06, respectively), but no significant change in the incidence of severe intraventricular hemorrhage or brochopulmonary dysplasia was observed. Increased survival was observed also in these infants receiving surfactant, more so among the outborn. The latter finding could be attributed to the early, pre-transport surfactant administration, implemented only during the current study.

Conclusions: Our data suggest that very low birth weight outborn infants may share an outcome comparable with that of inborn babies, if adequate perinatal care including surfactant administration is provided prior to transportation to a tertiary center.


 





[1] CI = confidence interval

[2] OR = odds ratio


April 2003
O. Nevo, E. Avisar, A. Tamir, M.S. Coffler, P. Sumov and I.R. Makhoul

Background: Multifetal pregnancy reduction has been implemented for improving the outcome of multifetal pregnancies. Recent studies reported no difference in pregnancy outcome between reduced twins and non-reduced twins, but the neonatal course and subsequent outcome in reduced twin pregnancies were not well documented.

Objective: To compare the neonatal course and outcome, as well as the gestational and labor characteristics, in twins from reduced multifetal pregnancies and in non-reduced twins.

Methods: This is a retrospective case-control study of the neonatal course of twins from reduced multifetal pregnancies. We found 64 mothers with multifetal pregnancy reduction who delivered twins during 1989–1997; 64 gestational age-matched non-reduced twin pregnancies served as controls. The following neonatal variables were examined: major malformations; small birth weight for gestational age; and neonatal morbidities including respiratory distress syndrome, apnea, pneumothorax, bronchopulmonary dysplasia, hyperbilirubinemia, sepsis, necrotizing enterocolitis, retinopathy of prematurity, seizures, intraventricular hemorrhage, periventricular leukomalacia, ventriculomegaly, and hydrocephalus. In addition, we evaluated several neonatal interventions (surfactant replacement, mechanical ventilation, phototherapy, total parenteral nutrition), and some laboratory abnormalities (thrombocytopenia, leukopenia, anemia, and hypoglycemia), duration of hospitalization, and neonatal mortality.

Results: Gestational and labor variables were not significantly different between multifetal pregnancies reduced to twins and non-reduced twin pregnancies. The neonatal morbidity and mortality were not significantly different between twin neonates from multifetal pregnancy reduction and non-reduced control twins.

Conclusions: Multifetal pregnancy reduction to twins appears to bear no adverse effect on the intrauterine course of the remaining fetuses or their neonatal course and outcome when born after 28 weeks of gestation.
 

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