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perinatal pathology

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https://www.readbyqxmd.com/read/27905648/-a-new-fetal-death-classification-system
#1
Alfredo Ovalle, Ariel Fuentes, Valentina Chacón, Carolina Espinoza, Rodrigo González, Manuel Ramos, Jorge Geraldo, Letsy Osses, Elena Kakarieka
BACKGROUND: Stillbirth is the mayor contributor to perinatal mortality. AIM: To report a system for classification of fetal deaths. MATERIAL AND METHODS: Retrospective cohort study of 29,916 births with 258 fetal deaths that occurred in a public hospital. Data were obtained from audit reports of stillbirths. The method for classification “obstetric condition relevant to the death” was applied, based on obstetric and placental pathological findings analyzed exclusively by a single obstetrician and a single pathologist...
August 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/27894129/isolated-fetal-ascites-neonatal-outcome-in-51-cases-observed-in-a-tertiary-referral-center
#2
Vincenzo Davide Catania, Alessia Muru, Marcella Pellegrino, Erika Adalgisa De Marco, Filomena Valentina Paradiso, Carlo Manzoni, Lorenzo Nanni, Lucia Masini
Introduction Prenatal detection of isolated ascites is a rare finding on ultrasound, usually suggestive of an underlying pathology that may negatively impact on the pregnancy and neonatal outcome. The purpose of the present study was to evaluate the outcome of primary isolated ascites in relation to gestational age (GA) at diagnosis. Materials and Methods Data were prospectively collected for fetuses with ascites that have been followed in our center of prenatal diagnosis and therapy from 2004 to 2014. Patients have been divided in group I when ascites was detected before the 24th week of GA and group II if it was noticed later...
November 28, 2016: European Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27881627/sleep-related-hypermotor-epilepsy-long-term-outcome-in-a-large-cohort
#3
Laura Licchetta, Francesca Bisulli, Luca Vignatelli, Corrado Zenesini, Lidia Di Vito, Barbara Mostacci, Claudia Rinaldi, Irene Trippi, Ilaria Naldi, Giuseppe Plazzi, Federica Provini, Paolo Tinuper
OBJECTIVE: To assess the long-term outcome of sleep-related hypermotor epilepsy (SHE). METHODS: We retrospectively reconstructed a representative cohort of patients diagnosed with SHE according to international diagnostic criteria, sleep-related seizures ≥75% and follow-up ≥5 years. Terminal remission (TR) was defined as a period of ≥5 consecutive years of seizure freedom at the last follow-up. We used Kaplan-Meier estimates to calculate the cumulative time-dependent probability of TR and to generate survival curves...
November 23, 2016: Neurology
https://www.readbyqxmd.com/read/27855149/placental-pathology-and-hypospadias
#4
Yan Chen, Luming Sun, Hongquan Geng, Xiaoping Lei, Jun Zhang
BACKGROUND: Studies have shown that hypospadias is associated with placenta-mediated pregnancy complication (PMPC). The role of placental lesions is still unclear. We aimed to examine the association between hyposadias and placental pathology, and the effect of PMPC. METHODS: Using data from the U.S. Collaborative Perinatal Project in 1959-1966, we identified 15,780 male subjects (167 hypospadias) for analysis. Detailed placental examinations were conducted following a standard protocol...
November 17, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27847193/extremely-low-gestational-age-and-very-low-birthweight-for-gestational-age-are-risk-factors-for-autism-spectrum-disorder-in-a-large-cohort-study-of-10-year-old-children-born-at-23-27-weeks-gestation
#5
Robert M Joseph, Steven J Korzeniewski, Elizabeth N Allred, T Michael O'Shea, Tim Heeren, Jean A Frazier, Janice Ware, Deborah Hirtz, Alan Leviton, Karl Kuban
BACKGROUND: No prospective cohort study of high-risk children has used rigorous exposure assessment and optimal diagnostic procedures to examine the perinatal antecedents of autism spectrum disorder separately among those with and without cognitive impairment. OBJECTIVE: We sought to identify perinatal factors associated with increased risk for autism spectrum disorder with and without intellectual disability (intelligence quotient <70) in children born extremely preterm...
November 12, 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27843854/clinical-study-of-fundus-findings-in-pregnancy-induced-hypertension
#6
Rahul Navinchandra Bakhda
BACKGROUND AND OBJECTIVES: To study the role of ophthalmoscopy in pregnancy induced hypertension (PIH) in diagnosis, prognosis, differential diagnosis, line of treatment and effect of treatment. MATERIALS AND METHODS: An observational study in which all the patients for the study are selected from antenatal clinic, antenatal wards and preeclampsia and eclampsia room in Department of Obstetrics and Gynecology, General Ophthalmic Out Patient Department (OPD) in case of ambulatory patients, during the period of Nov...
April 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/27818357/the-role-of-neuropathological-markers-in-the-interpretation-of-neuropsychiatric-disorders-focus-on-fetal-and-perinatal-programming
#7
REVIEW
Fanni Daniela, Gerosa Clara, Rais Monica, Ravarino Alberto, Van Eyken Peter, Fanos Vassilios, Faa Gavino
The study of neuropathological markers in patients affected by mental/psychiatric disorders is relevant for the comprehension of the pathogenesis and the correlation with the clinical symptomatology. The neuropathology of Alzheimer's disease (AD) recognizes intraneuronal and extracellular neurofibrillary formation responsible for neuronal degeneration. Immunohistochemical studies discovered many interesting results for a better interpretation of the AD pathogenesis, while the "metal hypothesis" supports that metal ions might differentially influence the formation of amyloid aggregates...
November 3, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27795844/hyaluronic-acid-in-vascular-and-immune-homeostasis-during-normal-pregnancy-and-preeclampsia
#8
M M Ziganshina, S V Pavlovich, N V Bovin, G T Sukhikh
Preeclampsia (PE) is a multisystem pathologic state that clinically manifests itself after the 20th week of pregnancy. It is characterized by high maternal and perinatal morbidity and mortality. According to modern concepts, the impairment of trophoblast invasion into maternal spiral arteries, leading to the development of ischemia in placenta, is considered to be the major pathogenetic factor of PE development. Ischemic lesions initiate the development of a systemic inflammatory response (SIR) and endothelial dysfunction, which is the main cause of the multiple organ failure in PE...
July 2016: Acta Naturae
https://www.readbyqxmd.com/read/27788335/pathologist-effort-in-the-performance-of-fetal-perinatal-and-pediatric-autopsies-a-survey-of-practice
#9
M Cristina Pacheco, Robyn C Reed
CONTEXT: -Autopsy is an important tool for quality assurance and improving patient care. Fetal, perinatal, and pediatric autopsies have the additional benefit of identifying conditions that may have increased risk of recurrence. In contrast to adult autopsies, special collections and testing are frequently used. Pathologist effort in fetal, perinatal, and pediatric autopsy has not been well documented. OBJECTIVE: -To prospectively quantify pathologist time required to complete fetal, perinatal, and pediatric autopsies, and to gather information on special studies and whether or not a cause of death was identified...
October 27, 2016: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27788142/the-pre-eclampsia-ontology-a-disease-ontology-representing-the-domain-knowledge-specific-to-pre-eclampsia
#10
Satoshi Mizuno, Soichi Ogishima, Hidekazu Nishigori, Daniel G Jamieson, Karin Verspoor, Hiroshi Tanaka, Nobuo Yaegashi, Jun Nakaya
Pre-eclampsia (PE) is a clinical syndrome characterized by new-onset hypertension and proteinuria at ≥20 weeks of gestation, and is a leading cause of maternal and perinatal morbidity and mortality. Previous studies have gathered abundant data about PE such as risk factors and pathological findings. However, most of these data are not semantically structured. Clinical data on PE patients are often generated with semantic heterogeneity such as using disparate terminology to describe the same phenomena. In clinical studies, interoperability of heterogenic clinical data is required in various situations...
2016: PloS One
https://www.readbyqxmd.com/read/27770263/factors-predicting-the-outcome-following-surgical-treatment-of-mesial-temporal-epilepsy-due-to-mesial-temporal-sclerosis
#11
Rodrigo Antonio Rocha da Cruz Adry, Lucas Crociati Meguins, Sebastião Carlos da Silva Júnior, Carlos Umberto Pereira, Gerardo Maria de Araújo Filho, Lúcia Helena Neves Marques
BACKGROUND: Mesial temporal sclerosis (MTS) is the most common disease found in an epilepsy surgery series. Early age of onset, a history of febrile convulsions, epileptiform discharges on EEG, duration of epilepsy, number of generalized seizures and severity of psychiatric disorders are possible prognostic factors in patients with MTS. OBJECTIVE: The aim of this study is to review the clinical, semiotic, psychological, electrophysiological and neuroradiological researches and relate their findings to the prognosis of patients with MTS who underwent anteromedial temporal lobectomy (ATL)...
December 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27769196/cardiotocography-in-breech-versus-vertex-delivery-an-examiner-blinded-cross-sectional-nested-case-control-study
#12
Elli Toivonen, Outi Palomäki, Heini Huhtala, Jukka Uotila
BACKGROUND: The safety of vaginal breech delivery has been debated for decades. Although it has been shown to predispose infants to immediate depression, several observational studies have also shown that attempting vaginal breech delivery does not increase perinatal morbidity or low Apgar score at the age of five minutes. Cardiotocography monitoring is recommended during vaginal breech delivery, but comparative data describing differences between cardiotocography tracings in breech and vertex deliveries is scarce...
October 21, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27765579/antisera-against-neisseria-gonorrhoeae-cross-react-with-specific-brain-proteins-of-the-common-marmoset-monkey-and-other-nonhuman-primate-species
#13
Bernhard Reuss, Abdul R Asif, Abdullah Almamy, Christian Schwerk, Horst Schroten, Hiroshi Ishikawa, Charis Drummer, Rüdiger Behr
Prenatal maternal infections with Neisseria gonorrhoeae (NG) correlate with an increased lifetime probability for the offspring to develop psychosis. We could previously demonstrate that in human choroid plexus papilloma cells, anti-NG antibodies (α-NG) bind to mitochondrial proteins HSP60 and ATPB, and interfere with cellular energy metabolism. To assess the in vivo relevance for this, especially during prenatal neural development, we investigated here interactions of NG-specific antisera (α-NG1, α-NG2) with brain, choroid plexus and other non-neural tissues in pre- and perinatal samples of the nonhuman primate (NHP) Callithrix jacchus (CJ), a NHP model for preclinical research...
October 17, 2016: Brain Research
https://www.readbyqxmd.com/read/27761896/transitory-cystic-cavities-in-the-developing-mammalian-brain-normal-or-anomalous
#14
Charanjit Kaur, Eng-Ang Ling
Transitory cavities associated with the ventricular system represent probably one of the most unique features in the developing mammalian brain. In rodents, the cavities exist transiently in the developing brain and do not appear to be associated with any pathological events. Among the various cavities, the pyramidal-shaped cavum septum pellucidum (CSP) located beneath the corpus callosum and between the lateral ventricles is most well defined. In addition to the CSP are the bilateral subependymal cysts that are consistently associated with the third and fourth ventricles as well as the aqueduct...
October 20, 2016: Journal of Anatomy
https://www.readbyqxmd.com/read/27760284/cervical-viral-infections-among-asymptomatic-bulgarian-women
#15
Jeni Staykova, Tanja Belovska, Ayla Murad, Sevinch Kakid, Aneta Nacheva, Evelina Shikova
AIM: Although sexually transmitted viral infections are significant and increasing public health concern, little is known about their prevalence among Bulgarian women. The aim of this study was to investigate cervical viral infections in asymptomatic women. METHODS: The study group included 52 randomly selected asymptomatic female volunteers from Bulgarian border town Kardzhali. Cervical specimens were tested by real-time PCR for human papillomaviruses (HPV), herpes simplex virus (HSV) types 1 and 2, cytomegalovirus (CMV), Epstein-Barr virus (EBV), and human immunodeficiency virus (HIV)...
September 2016: Central European Journal of Public Health
https://www.readbyqxmd.com/read/27753930/os-05-05-nrf2-deficiency-alleviates-perinatal-complications-in-pregnancy-associated-hypertension-mice-via-enhancing-placental-angiogenesis
#16
Masahiro Nezu, Tomokazu Souma, Lei Yu, Hiroki Sekine, Takashi Moriguchi, Nobuyuki Takahashi, Sadayoshi Ito, Norio Suzuki, Masayuki Yamamoto
OBJECTIVE: Placental activation of the renin-angiotensin system (RAS) plays an important role in pathogenesis of preeclampsia. RAS induces reactive oxygen species (ROS) production by activating NADPH oxidases. Keap1-Nrf2 system is a critical regulator for cellular anti-oxidative stress response through controlling transcription of antioxidant genes. This study has explored the relationship between RAS-induced ROS signaling and Keap1-Nrf2 system in preeclampsia. DESIGN AND METHOD: To examine the contribution of Keap1-Nrf2 system to preeclampsia pathology, we generated transgenic mouse models of preeclampsia/pregnancy-associated hypertension (PAH mice), in which RAS is activated selectively in late pregnancy, under deficient, normal or active Nrf2 conditions...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27741189/prenatally-diagnosed-vasa-previa-a-single-institution-series-of-96-cases
#17
Val Catanzarite, Larry Cousins, Sean Daneshmand, Wade Schwendemann, Holly Casele, Joanna Adamczak, Tevy Tith, Ami Patel
OBJECTIVE: To describe outcomes for a large cohort of women with prenatally diagnosed vasa previa, determine the percentage in patients without risk factors, and compare delivery timing and indications for singletons and twins. METHODS: This was a retrospective case series of women with prenatally diagnosed vasa previa delivered at a single tertiary center over 12 years. Potential participants were identified using hospital records and perinatal databases. Patients were included if vasa previa was confirmed at delivery and by pathologic examination...
November 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27707956/dynamics-of-base-excision-repair-at-the-maternal-fetal-interface-in-pregnancies-complicated-by-preeclampsia
#18
Serkalem Tadesse, Nicholas G Norwitz, Seth Guller, Felice Arcuri, Paolo Toti, Errol R Norwitz, Dawit Kidane
Preeclampsia (PE) (gestational proteinuric hypertension) is the leading cause of maternal and perinatal mortality worldwide. Although placental endothelial dysfunction and oxidative stress are known to contribute to PE, the exact pathological basis for this disorder remains unclear. Previously, we demonstrated that DNA damage at the maternal-fetal interface is more common in the placentas of women with PE than normotensive controls. In this study, we utilized an in vivo comparative study, including 20 preeclamptic women and 8 healthy control subjects, and an in vitro hypoxia/reperfusion model to mimic the effects of oxidative stress at the maternal-fetal interface...
October 5, 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27697304/neurodevelopmental-outcome-of-term-infants-with-perinatal-asphyxia-with-hypoxic-ischemic-encephalopathy-stage-ii
#19
Sudhir Adhikari, Kalipatnam Seshagiri Rao
BACKGROUND: Perinatal asphyxia with hypoxic ischemic encephalopathy (HIE) causes significant mortality and morbidity in developing countries. There is limited information about long term neurodevelopmental outcome of infants with neonatal encephalopathy. METHODS: Term infants with the diagnosis of perinatal asphyxia were followed up in neurodevelopmental clinics of Manipal Teaching hospital, Nepal. Study design was prospective mixed longitudinal study. Prematurity, major congenital malformations, other intracranial pathology, birth weight <2500g and chromosomal abnormalities were excluded...
September 30, 2016: Brain & Development
https://www.readbyqxmd.com/read/27695855/congenital-zika-virus-infection-beyond-neonatal-microcephaly
#20
Adriana Suely de Oliveira Melo, Renato Santana Aguiar, Melania Maria Ramos Amorim, Monica B Arruda, Fabiana de Oliveira Melo, Suelem Taís Clementino Ribeiro, Alba Gean Medeiros Batista, Thales Ferreira, Mayra Pereira Dos Santos, Virgínia Vilar Sampaio, Sarah Rogéria Martins Moura, Luciana Portela Rabello, Clarissa Emanuelle Gonzaga, Gustavo Malinger, Renato Ximenes, Patricia Soares de Oliveira-Szejnfeld, Fernanda Tovar-Moll, Leila Chimelli, Paola Paz Silveira, Rodrigo Delvechio, Luiza Higa, Loraine Campanati, Rita M R Nogueira, Ana Maria Bispo Filippis, Jacob Szejnfeld, Carolina Moreira Voloch, Orlando C Ferreira, Rodrigo M Brindeiro, Amilcar Tanuri
Importance: Recent studies have reported an increase in the number of fetuses and neonates with microcephaly whose mothers were infected with the Zika virus (ZIKV) during pregnancy. To our knowledge, most reports to date have focused on select aspects of the maternal or fetal infection and fetal effects. Objective: To describe the prenatal evolution and perinatal outcomes of 11 neonates who had developmental abnormalities and neurological damage associated with ZIKV infection in Brazil...
October 3, 2016: JAMA Neurology
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