Publications by authors named "Cahan T"

Objectives: To study risk factors for shoulder dystocia (ShD) among women delivering <3500 g newborn.

Methods: A retrospective case-control study of all term live-singleton deliveries during 2011-2019. Women with neonatal birthweight <3500 g were included.

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Objective: To evaluate the risk factors for a negative birth experience using the Birth Satisfaction Scale-Revised (BSS-R) questionnaire.

Methods: A cross-sectional study including women who gave birth at a single tertiary hospital between February 2021 and January 1, 2022. Birth satisfaction was measured using the BSS-R questionnaire.

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Background: Transition of clear amniotic fluid to meconium-stained fluid is a relatively common occurrence during labor. However, data regarding the clinical significance and the prognostic value of the presence of meconium-stained amnionic fluid (MSAF) are scarce. This study aimed to investigate delivery and neonatal outcomes according to the presence of MSAF and the timing of the meconium passage.

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Objectives: Abnormal fetal tongue size is a phenotypic feature of various syndromes including Beckwith-Wiedemann, Pierre-Robin, oromandibular limb hypoplasia, chromosomal aberrations, etc. Current data regarding normal fetal tongue size are limited. Hence, micro/macroglossia are subjectively determined.

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Background: Treatment with beta-agonist tocolytics preceding external cephalic version (ECV) attempt increases success rates. Most studies have focused on intravenously and orally administered beta-agonists, while other administration routes including intramuscularly (IM) and subcutaneously (SC) are understudied. The aim of this study was to compare the efficacy of IM ritodrine to SC salbutamol given prior to ECV.

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Background: Currently, the use of FE is decreasing and neonatal adverse outcomes following FE are underreported. We aimed to evaluate the rate of neonatal adverse outcomes in current obstetric practice at two university hospitals with a low FE volume.

Methods: A multicentre retrospective study.

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Background: Pregnant women with Marfan syndrome (MS) have a high risk of aortic dissection around delivery and their optimal management requires a multi-disciplinary approach, including proper cardio-obstetric care and adequate pain management during labor, which may be difficult due to the high prevalence of dural ectasia (DE) in these patients.

Objectives: To evaluate the multidisciplinary management of MS patients during labor.

Methods: Nineteen pregnant women (31 pregnancies) with MS were followed by a multi-disciplinary team (cardiologist, obstetrician, anesthesiologist) prior to delivery.

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Objective: Among deliveries <34 weeks, there is inconclusive evidence regarding the preferred route of delivery when there is a need to expedite delivery during the second stage of labor. As it is unreasonable that future randomized controlled trials will be conducted to settle this query, every clinical data concerning this topic, may be helpful. We aim to compare neonatal outcomes among women undergoing emergent cesarean delivery (ECD) versus vacuum-assisted delivery (VAD) during the second stage of labor among singleton gestations <34 weeks.

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Objective: To determine maternal and neonatal outcomes among women undergoing second stage emergent cesarean delivery (ECD) versus vacuum-assisted delivery (VAD) of low birthweight neonates.

Materials And Methods: A retrospective cohort study from two tertiary medical centers. We included women who underwent either ECD or VAD during the second stage of labor, and delivered neonates with a birthweight of <2500 g during 2011-2019.

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Purpose: Although shoulder dystocia (ShD) is associated with fetal macrosomia and vacuum-assisted delivery (VAD), the independent role of the latter in the occurrence of ShD is yet to be completely elucidated, as it is difficult to study its true independent contribution to ShD formation in the presence of many confounding factors. Therefore, we aimed to study whether VAD is independently associated with an increased risk for ShD among macrosomic newborns.

Methods: A retrospective cohort study from a single tertiary medical center including all women who delivered vaginally a macrosomic infant during 2011-2020.

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Objectives: An international diagnostic criterion for amniotic fluid embolism (AFE) diagnosis has recently been published. Data regarding subsequent pregnancies is scarce. We sought to implement recent diagnostic criteria and detail subsequent pregnancies in survivors.

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Objective: To evaluate the association between neonatal weight centile and neonatal and maternal morbidity following vacuum-assisted delivery (VAD) among term nulliparous women.

Methods: A retrospective cohort study of all nulliparous women who delivered at term by VAD between 2011 and 2019. Deliveries were allocated into two groups and compared: (1) delivery of an small-for-gestational-age (SGA) neonate, and (2) delivery of an appropriate-for-gestational-age (AGA) neonate.

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Objective: To study maternal and intrapartum factors associated with adverse neonatal outcome in deliveries complicated by meconium-stained amniotic fluid (MSAF).

Methods: A retrospective cohort study of all women with singleton gestations undergoing trial of labor with MSAF during 2011-2020. Deliveries with adverse neonatal outcome were compared with deliveries without.

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Introduction: We aimed to underline the determinants of adverse neonatal outcome in gestations complicated by placenta previa (PP).

Methods: A retrospective study including all women diagnosed with placenta previa carrying a singleton gestation who delivered between 2011 and June 2019. Gestations with adverse neonatal outcomes were compared to those without.

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Background: It has been suggested that women admitted for delivery should have universal PCR testing for SARS-CoV-2. Yet, the considerable difference in the incidence of COVID-19 between different geographic regions may affect screening strategies. Therefore, we aimed to compare questionnaire-based testing versus universal PCR testing for SARS-CoV-2 in women admitted for delivery.

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Objective: Isolated oligohydramnios (IO) - oligohydramnios in the absence of maternal or gestational comorbidity is debated as an indication for induction of labor. Previous meta-analyses regarding perinatal outcomes of IO at term have yielded conflicting results. We aimed to investigate the neonatal outcomes among gestations with IO delivered at 36°-39.

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While the immediate effects of pregnancy on aortic dimension in patients with Marfan syndrome (MFS) have been evaluated, the late effects of subsequent pregnancies in these patients are less known. For this purpose, we evaluated 2 groups of women with MFS who were under specialized care in our institution. Group A included 23 women with MFS who experienced 55 pregnancies; group B included 12 nulliparous MFS patients.

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Purpose: Nulliparity and operative vaginal delivery are established risk factor for obstetric anal sphincter injury (OASI). However, risk factors for OASIS occurrence among parous women delivering vaginally are not well-established. We aimed to study the risk factors for OASI occurrence among parous women.

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Purpose: The risk of cesarean delivery after a successful external cephalic version for breech presentation is higher as compared with fetuses in cephalic presentation. However, the role of the time interval between version attempt to delivery on the risk for cesarean delivery is unclear. We aimed to study the effect of the time interval from a successful external cephalic version to delivery on the risk for cesarean delivery and assess factors associated with cesarean delivery after a successful version.

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Purpose: Intraamniotic infection, categorized into isolated maternal fever, suspected intraamniotic infection (SII), and confirmed intraamniotic infection, is associated with neonatal morbidity. However, there is paucity of data regarding the association between intraamniotic infection duration and neonatal outcomes among term singleton vaginal deliveries. We aimed to study the risk factors for adverse neonatal outcome among vaginal deliveries complicated by SII.

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Introduction: Third stage placental complications (TSPC) including partially or complete retained placenta, are a common obstetric complication. Previous studies have underlined risk factors for TSPC in heterogenous populations of women, whereas data regarding primigravid term women are scarce. We aimed to identify the factors associated with TSPC in this subset of parturients.

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Objective: To compare pain during laminaria insertion after lidocaine spray versus placebo spray anesthesia in women about to undergo a surgical abortion procedure.

Study Design: A double blind, randomized, placebo-controlled trial of women at 12-24 weeks gestation one day prior to surgical uterine evacuation procedure. Participants received lidocaine 10% or placebo (saline 0.

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Objective: The assessment of sonographic estimated fetal weight (EFW) enables identification of fetuses in the extremes of weight, thus aiding in the planning and management of peripartum care. There are conflicting reports regarding the accuracy of EFW in diabetic mothers. We aimed to study the factors associated with the accuracy of EFW at term, specifically the role of gestational and pre-gestational diabetes in this setting.

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Objective: Our primary objective was to compare maternal and neonatal outcomes based on the attempted mode of extraction. Our secondary objective was to compare the outcomes based on the actual mode of extraction.

Design: A retrospective cohort study at a single tertiary centre between the years 2011 and 2019.

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Purpose: Most professional guidelines advise against routine episiotomy during vaginal delivery, although mounting evidence supports its protective role regarding obstetric anal sphincter injury (OASI). We aimed to study the effect of lateral and mediolateral episiotomies on the rate of OASI in relation to birthweight among nulliparous women undergoing vaginal delivery.

Methods: A historical cohort study was conducted of all nulliparous women who delivered vaginally at term between 2011 and 2019 at a tertiary university hospital.

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