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seizures and pregnancy

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https://www.readbyqxmd.com/read/29146047/maternal-immune-activation-delays-excitatory-to-inhibitory-gamma-aminobutyric-acid-switch-in-offspring
#1
Irene Corradini, Elisa Focchi, Marco Rasile, Raffaella Morini, Genni Desiato, Romana Tomasoni, Michela Lizier, Elsa Ghirardini, Riccardo Fesce, Diego Morone, Isabella Barajon, Flavia Antonucci, Davide Pozzi, Michela Matteoli
BACKGROUND: The association between maternal infection and neurodevelopmental defects in progeny is well established, although the biological mechanisms and the pathogenic trajectories involved have not been defined. METHODS: Pregnant dams were injected intraperitoneally at gestational day 9 with polyinosinic:polycytidylic acid. Neuronal development was assessed by means of electrophysiological, optical, and biochemical analyses. RESULTS: Prenatal exposure to polyinosinic:polycytidylic acid causes an imbalanced expression of the Na(+)-K(+)-2Cl(-) cotransporter 1 and the K(+)-Cl(-) cotransporter 2 (KCC2)...
November 14, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/29141532/seizures-and-antiepileptic-drugs-from-pathophysiology-to-clinical-practice
#2
Nihan CarCaka, Cigdem Ozkara
Recurrent, spontaneous seizure activity caused by abnormal neuronal firing in the brain is a hallmark of epilepsy, a common chronic neurological disorder. Recent research that has expanded the knowledge of the cellular and molecular mechanisms that modulate neuronal excitability and network activity in the brain provides the development and discovery of antiepileptic drugs (AEDs). AED therapy starts with the selection of the most appropriate drug for individual patient on the basis of strategic decision of the risk-benefit ratio...
November 14, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29141311/-study-on-mosaicism-of-scn1a-gene-mutation-in-parents-of-children-with-dravet-syndrome
#3
A J Liu, X X Yang, X J Xu, Q X Wu, X J Tian, X L Yang, X R Wu, L P Wei, Y H Zhang
Objective: To investigate the clinical phenotypes and the mutant allele proportion of parents with SCN1A gene mutation mosaicism of Dravet syndrome (DS) children, thus to provide guidance for family reproduction and prenatal diagnosis. Method: The clinical data and peripheral blood DNA samples of DS patients with a SCN1A gene mutation proved by Sanger sequencing were collected prospectively from February 2005 to November 2016 in Department of Pediatrics, Peking University First Hospital. The same mutation was searched in parents and other available relatives...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29140935/cerebral-infarction-and-refractory-seizures-in-a-neonate-with-suspected-zika-virus-infection
#4
Adam Raymond, Jonathan Jakus
Congenital Zika syndrome is a set of congenital anomalies associated with Zika virus infection during pregnancy. We present the unique case of a neonate born to a suspected Zika virus positive mother that developed an embolic stroke and medication resistant seizures. This report may impact the evolving definition of congenital Zika syndrome.
November 14, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29137047/massive-neonatal-intracranial-hemorrhage-caused-by-bromadiolone-a-case-report
#5
Mingsheng Ma, Mengqi Zhang, Xiaoyan Tang, Zhenghong Li
RATIONALE: Bromadiolone, often called a super-warfarin, is a potent rodenticide with long half-life. Skin and mucosal bleeding is the most common clinical manifestations of its intoxication. Bromadiolone intoxications in adults and children have been reported, but this phenomenon is rarely seen in fetuses. This paper presents a case of neonate with massive intracranial hemorrhage mediated by bromadiolone intoxication, highlighting that the bromadiolone is potentially lethal to the fetus...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29133176/effect-of-zonisamide-on-refractory-epilepsy-during-pregnancy-in-lamotrigine-resistant-kindled-rats
#6
Reza Narenji Sani, Keivan Keramati, Niloufar Saberi, Melika Moezifar, Ali Mahdavi
Drug-resistant epilepsy with uncontrolled severe seizures despite state-of-the-art medical treatment continues to be a major clinical problem. Pregnancy is a state where drug pharmacokinetic changes are more pronounced and more rapid than any other period of life. The current study investigated the effect of zonisamide (ZNS) on refractory epilepsy during pregnancy in lamotrigine-resistant kindled rats. Fifty-six lamotrigine (LTG)-resistant kindled Wistar rats were divided into five experimental (four pregnant and one non-pregnant) and 2 positive controls (pregnant and non-pregnant) groups and eight intact Wistar rats were put in the negative pregnant control group...
November 11, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29128586/contraception-pregnancy-and-peripartum-experiences-among-women-with-epilepsy-in-bhutan
#7
Sheliza Halani, Lhab Tshering, Esther Bui, Sarah J Clark, Sara J Grundy, Tandin Pem, Sonam Lhamo, Ugyen Dema, Damber K Nirola, Chencho Dorji, Farrah J Mateen
INTRODUCTION: Reports on the reproductive health of women with epilepsy (WWE) in low- and middle-income countries (LMICs) are limited. Bhutan is a lower income country with a high estimated prevalence of epilepsy and no out-of-pocket payment requirements for health visits or medications. METHODS: We developed a 10-category survey to interview WWE ages 20-59 years in the Kingdom of Bhutan to understand their contraceptive use and peripartum experiences. WWE were recruited from 2016-2017 from an existing epilepsy cohort and their reproductive health data were merged with epilepsy and socioeconomic data obtained from initial clinical evaluations performed between 2014 and 2016...
December 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29127207/perinatal-outcomes-after-treatment-with-adhd-medication-during-pregnancy
#8
Ulrika Nörby, Birger Winbladh, Karin Källén
OBJECTIVES: To analyze perinatal outcomes after maternal use of attention-deficit/hyperactivity disorder (ADHD) medication during pregnancy. METHODS: The study included singletons born between 2006 and 2014 in Sweden. Data on prescription drug use, pregnancies, deliveries, and the newborn infants' health were obtained from the Swedish Medical Birth Register, the Prescribed Drug Register, and the Swedish Neonatal Quality Register. We compared infants exposed to ADHD medication during pregnancy with infants whose mothers never used these drugs and infants whose mothers used ADHD medication before or after pregnancy...
November 10, 2017: Pediatrics
https://www.readbyqxmd.com/read/29112665/long-term-risk-of-a-seizure-disorder-after-eclampsia
#9
Kara A Nerenberg, Alison L Park, Simone N Vigod, Gustavo Saposnik, Howard Berger, Michelle A Hladunewich, Shital Gandhi, Candice K Silversides, Joel G Ray
OBJECTIVE: To evaluate the incidence rate and relative risk of a seizure disorder after eclampsia. METHODS: We evaluated 1,565,733 births in a retrospective data linkage cohort study in Ontario, Canada, from April 1, 2002, to March 31, 2014. We included females aged 15-50 years and excluded patients with epilepsy, conditions predisposing to seizure, and those who died within 30 days of the delivery discharge date. The exposure was defined as a hypertensive disorder of pregnancy, namely 1) eclampsia, 2) preeclampsia, or 3) gestational hypertension...
November 3, 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29109631/comparative-evaluation-of-midazolam-dexmedetomidine-and-propofol-as-intensive-care-unit-sedatives-in-postoperative-electively-ventilated-eclamptic-patients
#10
Malik Rameez Rashid, Rukhsana Najeeb, Saima Mushtaq, Rizwana Habib
Background and Aims: Eclampsia is a common hypertensive disorder of pregnancy and treatment often includes termination of pregnancy with elective postoperative mechanical ventilation. The present study was aimed to compare midazolam, propofol, and dexmedetomidine for sedation and antihypertensive requirements of such patients admitted to Intensive Care Unit (ICU) after termination of pregnancy. Material and Methods: A total of ninety eclamptic patients administered general anesthesia for the termination of pregnancy through cesarean section and who also required postoperative ventilation were taken up for the study and were randomly allocated into three groups...
July 2017: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29076416/novel-treatment-and-new-drugs-in-epilepsy-treatment
#11
Elissavet Eskioglou, M P Perrenoud, Phiilippe Ryvlin, Jan Novy
We now get benefit from more than 20 antiepileptic drugs (AEDs) in the care of people with epilepsy. Newer generation of AED is associated with a more favourable tolerability profile than older generation AEDs which makes them easier to use, despite similar efficacy. In order to define the place of newer generation AEDs in the therapy, we review here the main current guidelines about their use for a special issue concerning antiepileptic drugs in neurosurgical practice. We also discuss how to tailor the treatment with newer generation AEDs according to the patient's needs and comorbid conditions...
October 24, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29054513/maternal-and-fetal-outcomes-associated-with-vagus-nerve-stimulation-during-pregnancy
#12
Anne Sabers, Dina Battino, Erminio Bonizzoni, John Craig, Dick Lindhout, Emilio Perucca, Sanjeev V Thomas, Torbjörn Tomson, Frank Vajda
OBJECTIVE: To access the effect of vagus nerve stimulation (VNS) on the outcome of pregnancy. METHODS: We used the International Registry of Antiepileptic Drugs and Pregnancy (EURAP) and its network to search for women receiving adjunctive VNS during pregnancy. Data on maternal and fetal outcomes were extracted from the registry databases and outcomes were evaluated. RESULTS: Twenty-six pregnancies were identified in 25 women. All women were exposed to a relative high VNS stimulation level (mean duty cycle 18%, range 5%-51%)...
November 2017: Epilepsy Research
https://www.readbyqxmd.com/read/29046471/-a-case-report-of-congenital-protein-c-deficiency-with-cerebral-venous-sinus-thrombosis-during-early-pregnancy-period
#13
Yusaku Maeda, Koichi Satoh, Tatsuya Haboshi, Mami Hanaoka, Kenji Shimada, Kazuhito Matsuzaki, Hajimu Miyake, Hitoshi Niki
A 35-year-old woman at eight weeks of gestation in her second pregnancy presented with generalized seizures. Magnetic resonance images revealed a small hemorrhagic infarction in the left frontal lobe, and magnetic resonance venography indicated cerebral venous sinus thrombosis. After hospitalization, anticoagulant therapy was continued, and a low protein C level was confirmed, which was also confirmed in both her mother and her sister. Follow-up magnetic resonance venography performed on day 27 confirmed that the cerebral venous sinuses had undergone recanalization...
October 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28987845/recurrent-cerebral-hemorrhages-in-normal-pregnancy-secondary-to-mycotic-pseudoaneurysms-related-to-choriocarcinoma
#14
Crystal Jing Jing Yeo, Gavin W Britz, Suzanne Z Powell, R Glenn Smith, Yi J Zhang
BACKGROUND: Choriocarcinoma coexisting with or after normal pregnancy is extremely rare. To our knowledge, our case report is the first time cerebral mycotic pseudoaneurysms from choriocarcinoma have been proven angiographically. CASE DESCRIPTION: A 38-week pregnant 26-year old woman presented with an acute left frontal hemorrhage. She underwent emergency Caesarian, followed by hematoma evacuation and resection of what grossly appeared to be a medium-sized arteriovenous malformation at the time of surgery...
October 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28982961/mechanisms-in-endocrinology-maternal-thyroid-dysfunction-during-pregnancy-and-behavioural-and-psychiatric-disorders-of-children-a-systematic-review
#15
REVIEW
Dagnachew Muluye Fetene, Kim S Betts, Rosa Alati
BACKGROUND: Maternal thyroid dysfunction during pregnancy may lead to persistent neurodevelopmental disorders in the offspring appearing in later life. This study aimed to review the available evidence concerning the relationship between maternal thyroid status during pregnancy and offspring behavioural and psychiatric disorders. METHODS: Systematic electronic database searches were conducted using PubMed, Embase, PsycNET, Scopus, Google Scholar and Cochrane library...
November 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28931341/the-neurotoxic-effects-of-prenatal-gabapentin-and-oxcarbazepine-exposure-on-newborn-rats
#16
Zuleyha Erisgin, Bulent Ayas, Jens R Nyengaard, N Ercument Beyhun, Yuksel Terzi
AIM: Teratogenicity is a problematic issue for pregnant women because of X-ray radiation, drugs, and genetic and unknown variables. First-generation antiepileptic drugs (AED) like valproic acid are well-known teratogens for developing fetuses. However, their usage is necessary in order to prevent maternal seizures. The underlying mechanism of birth defects associated with AED exposure remains unclear and information about the neurotoxic effects of prenatal exposure to AED is still limited...
October 5, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28878299/a-study-on-clinicoradiological-characteristics-and-pregnancy-outcomes-of-reversible-posterior-leukoencephalopathy-syndrome-in-preeclampsia-or-eclampsia
#17
Xiaobo Fang, Yanling Liang, Dunjin Chen, Fang He, Jia Chen, Fami Huang
Reversible posterior leukoencephalopathy syndrome (RPLS) is a critical maternal complication in preeclampsia or eclampsia during pregnancy. However, studies regarding the clinicoradiological and outcome differences between RPLS and non-RPLS pregnancies are scarce. We aimed to explore the incidence of RPLS, and summarize the clinicoradiological characteristics and pregnancy outcomes. We consecutively collected a total of 100 patients who were diagnosed with preeclampsia or eclampsia, and examined via magnetic resonance imaging (MRI) among 21 872 women between 2013 and 2016...
September 7, 2017: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/28868271/prenatal-diagnosis-of-mosaic-tetrasomy-18p-in-a-case-without-sonographic-abnormalities
#18
Javad Karimzad Hagh, Thomas Liehr, Hamid Ghaedi, Mir Majid Mossalaeie, Shohreh Alimohammadi, Faegheh Inanloo Hajiloo, Zahra Moeini, Sadaf Sarabi, Davood Zare-Abdollahi
Small supernumerary marker chromosomes (sSMC) are still a major problem in clinical cytogenetics as they cannot be identified or characterized unambiguously by conventional cytogenetics alone. On the other hand, and perhaps more importantly in prenatal settings, there is a challenging situation for counseling how to predict the risk for an abnormal phenotype, especially in cases with a de novo sSMC. Here we report on the prenatal diagnosis of a mosaic tetrasomy 18p due to presence of an sSMC in a fetus without abnormal sonographic signs...
2017: International Journal of Molecular and Cellular Medicine
https://www.readbyqxmd.com/read/28854840/should-delivery-timing-for-repeat-cesarean-be-reconsidered-based-on-dating-criteria
#19
Kathleen F Brookfield, Sarah S Osmundson, Aaron B Caughey
PURPOSE: We sought to examine if the method of pregnancy dating at five increasing term gestational ages is associated with increasing neonatal morbidity. MATERIALS AND METHODS: A cohort of women who underwent elective repeat cesarean delivery at ≥37 weeks' gestation were identified from the NICHD MFMU Network registry. We excluded women who were in labor, those carrying a fetus with a congenital anomaly, those with a non-reassuring fetal heart tracing, and those with preeclampsia, preexisting chronic hypertension or diabetes...
September 12, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28852582/term-neonate-with-atypical-hypoxic-ischemic-encephalopathy-presentation-a-case-report
#20
Nick Townley, Emily McNellis, Venkatesh Sampath
We describe a case of atypical hypoxic-ischemic encephalopathy (HIE) in a neonate following a normal pregnancy and delivery who was found to have an umbilical vein thrombosis. The infant arrived to our center with continuous bicycling movement of her lower extremities. She had a continuous electroencephalogram that showed burst suppression and magnetic resonance imaging of the brain showed diffusely abnormal cerebral cortical/subcortical diffusion restriction which may be secondary hypoxic-ischemic injury. Interestingly, a pathology report noted a focal umbilical vein thrombosis appearing to have compressed an umbilical artery with associated arterial dissection and hematoma...
July 2017: American Journal of Perinatology Reports
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