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fetal viability gestational age

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https://www.readbyqxmd.com/read/27814911/population-based-outcomes-data-for-counseling-at-the-margin-of-gestational-viability
#1
Patrick Myers, Naomi Laventhal, Bree Andrews, Joanne Lagatta, William Meadow
OBJECTIVE: To survey neonatologists as to how many use population-based outcomes data to counsel families before and after the birth of 22- to 25-week preterm infants. STUDY DESIGN: An anonymous online survey was distributed to 1022 neonatologists in the US. Questions addressed the use of population-based outcome data in prenatal and postnatal counseling. RESULTS: Ninety-one percent of neonatologists reported using population-based outcomes data for counseling...
November 1, 2016: Journal of Pediatrics
https://www.readbyqxmd.com/read/27744430/impact-of-fetal-weight-estimation-on-the-prediction-of-neonatal-morbidity-and-mortality-at-the-limit-of-viability
#2
Jarmila A Zdanowicz, Chantal Huber, Roland Gerull, Martin Mueller, Luigi Raio, Daniel Surbek
INTRODUCTION: To determine the accuracy of estimated fetal weight (EFW) at the limit of viability in a delivery room setting and its impact on the prediction of neonatal outcome. MATERIAL AND METHODS: In this retrospective, single-center cohort study we included patients with preterm birth between 230/7 and 260/7 weeks of gestation. Neonates were divided into 3 groups according to birth weight at delivery (accuracy index 90-110%, <90%, >110%). Neonatal outcome for each group was categorized into survival with and without impairment and death, with a follow-up period of 6 weeks...
October 15, 2016: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/27614267/terminating-pregnancy-for-severe-hypertension-when-the-fetus-is-considered-non-viable-a-retrospective-cohort-study
#3
Leonoor Van Eerden, Miriam F Van Oostwaard, Gerda G Zeeman, Godelieve C M Page-Christiaens, Eva Pajkrt, Johannes J Duvekot, Frank P Vandenbussche, Swan G Oei, Hubertina C J Scheepers, Jim Van Eyck, Johanna M Middeldorp, Steven V Koenen, Christianne J M De Groot, Antoinette C Bolte
OBJECTIVE: To investigate frequency and practise of termination of pregnancy for early-onset hypertensive disorders where the fetus is considered to be non-viable. STUDY DESIGN: Retrospective cohort study in all Dutch tertiary perinatal care centres (n=10), between January 2000 and January 2014. All women who underwent termination of pregnancy, without fetal surveillance or intention to intervene for fetal reasons, for early-onset hypertensive disorders in pregnancy, were analyzed...
November 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27565260/longitudinal-changes-in-maternal-serum-concentrations-of-antim%C3%A3-llerian-hormone-in-individual-women-during-conception-cycles-and-early-pregnancy
#4
Kristina Hamilton, Narelle Hadlow, Peter Roberts, Patricia Sykes, Allison McClements, Jacqui Coombes, Phillip Matson
OBJECTIVE: To study antimüllerian hormone (AMH) from gestation week 0-7. DESIGN: Longitudinal study of 85 pregnant women with AMH and reproductive hormones sampled during conception cycle and early pregnancy until week 7. SETTING: Fertility clinic. PATIENT(S): Of 85 pregnant women, 69 had a singleton pregnancy, 1 a twin pregnancy, and 15 had a nonviable pregnancy (3 chemical pregnancies, 11 miscarriages, and 1 blighted ovum)...
August 23, 2016: Fertility and Sterility
https://www.readbyqxmd.com/read/27555144/prone-position-craniotomy-in-pregnancy-without-fetal-heart-rate-monitoring
#5
Jean Jacob, Ashish Alexander, Shoba Philip, Anoop Thomas
A pregnant patient in second trimester scheduled for posterior fossa craniotomy in prone position is a challenge for the anesthesiologist. Things to consider are physiological changes during pregnancy, non-obstetric surgery in pregnant patients, neuroanesthetic principles, effects of prone positioning, and need for fetal heart rate (FHR) monitoring. We have described the anesthetic management of this case and discussed intra-operative FHR monitoring including controversies about its role, indications, and various options available as per fetal gestational age...
September 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27509872/can-maternal-fetal-hemodynamics-influence-prenatal-development-in-dogs
#6
Luana Azevedo de Freitas, Gustavo Lobato Mota, Herlon Victor Rodrigues Silva, Cibele Figueira Carvalho, Lúcia Daniel Machado da Silva
The goals of this study were to report embryonic and fetal ultrasound changes and compare blood flow of uteroplacental and umbilical arteries of normal and abnormal conceptus. Accordingly, from the day of mating or artificial insemination, all fetuses in 60 pregnancies were evaluated weekly. According to the ultrasound findings, the gestational age was determined and the conceptuses were divided into normal or abnormal (embryonic and fetal abnormalities). The two-dimensional ultrasound assessment consists of measuring and evaluating the echogenicity of conceptus and extra-fetal structures...
September 2016: Animal Reproduction Science
https://www.readbyqxmd.com/read/27214190/obstetric-care-consensus-no-4-periviable-birth
#7
(no author information available yet)
Approximately 0.5% of all births occur before the third trimester of pregnancy, and these very early deliveries result in the majority of neonatal deaths and more than 40% of infant deaths. A recent executive summary of proceedings from a joint workshop defined periviable birth as delivery occurring from 20 0/7 weeks to 25 6/7 weeks of gestation. When delivery is anticipated near the limit of viability, families and health care teams are faced with complex and ethically challenging decisions. Multiple factors have been found to be associated with short-term and long-term outcomes of periviable births in addition to gestational age at birth...
June 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27214184/obstetric-care-consensus-no-4-summary-periviable-birth
#8
(no author information available yet)
Approximately 0.5% of all births occur before the third trimester of pregnancy, and these very early deliveries result in the majority of neonatal deaths and more than 40% of infant deaths. A recent executive summary of proceedings from a joint workshop defined periviable birth as delivery occurring from 20 0/7 weeks to 25 6/7 weeks of gestation. When delivery is anticipated near the limit of viability, families and health care teams are faced with complex and ethically challenging decisions. Multiple factors have been found to be associated with short-term and long-term outcomes of periviable births in addition to gestational age at birth...
June 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27154158/extracorporeal-membrane-oxygenation-for-cardiopulmonary-failure-during-pregnancy-and%C3%A2-postpartum
#9
Cara Agerstrand, Darryl Abrams, Mauer Biscotti, Leslie Moroz, Erika B Rosenzweig, Mary D'Alton, Daniel Brodie, Matthew Bacchetta
BACKGROUND: Extracorporeal membrane oxygenation (ECMO) has been used with increasing frequency to support pregnant and postpartum patients with severe cardiac or pulmonary failure, although patient management and clinical outcomes are underreported. This study represents patients who received ECMO during the peripartum period. METHODS: All pregnant or postpartum patients treated with ECMO in the medical intensive care unit between January 1, 2009, and June 30, 2015, were included in this study...
September 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27103153/periviable-birth-interim-update
#10
Jeffrey L Ecker, Anjali Kaimal, Brian M Mercer, Sean C Blackwell, Raye Ann O deRegnier, Ruth M Farrell, William A Grobman, Jamie L Resnik, Anthony C Sciscione
Approximately 0.5% of all births occur before the third trimester of pregnancy, and these very early deliveries result in the majority of neonatal deaths and more than 40% of infant deaths. A recent executive summary of proceedings from a joint workshop defined periviable birth as delivery occurring from 20 0/7 weeks to 25 6/7 weeks of gestation. When delivery is anticipated near the limit of viability, families and health care teams are faced with complex and ethically challenging decisions. Multiple factors have been found to be associated with short-term and long-term outcomes of periviable births in addition to gestational age at birth...
August 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/26815911/expression-and-functional-roles-of-estrogen-receptor-gpr30-in-human-intervertebral-disc
#11
Aiqun Wei, Bojiang Shen, Lisa A Williams, Divya Bhargav, Feng Yan, Beng H Chong, Ashish D Diwan
Estrogen withdrawal, a characteristic of female aging, is associated with age-related intervertebral disc (IVD) degeneration. The function of estrogen is mediated by two classic nuclear receptors, estrogen receptor (ER)-α and -β, and a membrane bound G-protein-coupled receptor 30 (GPR30). To date, the expression and function of GPR30 in human spine is poorly understood. This study aimed to evaluate GPR30 expression in IVD, and its role in estrogen-related regulation of proliferation and apoptosis of disc nucleus pulposus (NP) cells...
April 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/26721776/racial-disparity-in-previable-birth
#12
Emily A DeFranco, Eric S Hall, Louis J Muglia
BACKGROUND: Extremely preterm birth of a live newborn before the limit of viability is rare but contributes uniformly to the infant mortality rate because essentially all cases result in neonatal death. OBJECTIVE: The objective of the study was to quantify racial differences in previable birth and their contribution to infant mortality and to estimate the relative influence of factors associated with live birth occurring before the threshold of viability. STUDY DESIGN: This was a population-based retrospective cohort of all live births in Ohio over a 7 year period, 2006-2012...
March 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/26692771/relationship-between-uterine-natural-killer-cells-and-unexplained-repeated-miscarriage
#13
Mohamed M Farghali, Abdel-Latif G El-Kholy, Khaled H Swidan, Ibrahim A Abdelazim, Ahmed R Rashed, Ezzat El-Sobky, Mostafa F Goma
OBJECTIVE: To evaluate the relation between uterine killer (uK) cells and unexplained repeated miscarriage (RM). MATERIAL AND METHODS: Eighty women with unexplained repeated miscarriage and missed miscarriage of current pregnancy were studied. Fetal viability and gestational age of the current pregnancy were confirmed by ultrasound, followed by suction evacuation to collect abortion specimens and uterine wall curettage to collect decidua specimens. Abortion specimens were collected for long-term monolayer cell culture and subsequent chromosome analysis using conventional G-banding...
2015: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/26663220/role-of-serum-biomarkers-in-the-prediction-of-outcome-in-women-with-threatened-miscarriage-a-systematic-review-and-diagnostic-accuracy-meta-analysis
#14
REVIEW
Rekha N Pillai, Justin C Konje, Douglas G Tincello, Neelam Potdar
BACKGROUND: Threatened miscarriage affects one in five women and is associated with significant emotional distress. The uncertainty around the prognosis of threatened miscarriage makes it equally challenging to the healthcare professionals. Various biochemical markers have been investigated in the past to predict the outcome of threatened miscarriage; however, the results have been conflicting. Therefore, we have conducted a systematic review and meta-analysis to determine the diagnostic accuracy of biochemical markers in predicting the outcome in women presenting with threatened miscarriage...
March 2016: Human Reproduction Update
https://www.readbyqxmd.com/read/26620625/a-pilot-study-of-women-s-experiences-after-being-offered-late-termination-of-pregnancy-for-severe-fetal-anomaly
#15
L Govender, C Ndjapa-Ndamkou, C Aldous, J Moodley
OBJECTIVE: We investigated the attitudes and experiences of women pregnant with an anomalous fetus after being offered late termination of pregnancy (LTOP) before and after delivery or TOP. METHODS: This was a pre- and post-intervention structured interview questionnaire-based study. Pregnant women with severe fetal abnormalities (lethal and nonlethal) diagnosed after 24 weeks gestation were recruited. All were managed according to standard protocol. Interviews were conducted by the researcher over a 3 months period (August-October 2010)...
December 2015: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/26506448/-3-periviable-birth
#16
Jeffrey L Ecker, Anjali Kaimal, Brian M Mercer, Sean C Blackwell, Raye Ann O deRegnier, Ruth M Farrell, William A Grobman, Jamie L Resnik, Anthony C Sciscione
Approximately 0.5% of all births occur before the third trimester of pregnancy, and these very early deliveries result in the majority of neonatal deaths and more than 40% of infant deaths. A recent executive summary of proceedings from a joint workshop defined periviable birth as delivery occurring from 20 0/7 weeks to 25 6/7 weeks of gestation. When delivery is anticipated near the limit of viability, families and health care teams are faced with complex and ethically challenging decisions. Multiple factors have been found to be associated with short-term and long-term outcomes of periviable births in addition to gestational age at birth...
November 2015: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/26488525/acog-obstetric-care-consensus-no-3-periviable-birth
#17
(no author information available yet)
Approximately 0.5% of all births occur before the third trimester of pregnancy, and these very early deliveries result in the majority of neonatal deaths and more than 40% of infant deaths. A recent executive summary of proceedings from a joint workshop defined periviable birth as delivery occurring from 20 0/7 weeks to 25 6/7 weeks of gestation. When delivery is anticipated near the limit of viability, families and health care teams are faced with complex and ethically challenging decisions. Multiple factors have been found to be associated with short-term and long-term outcomes of periviable births in addition to gestational age at birth...
November 2015: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/26488517/acog-obstetric-care-consensus-no-3-summary-periviable-birth
#18
(no author information available yet)
Approximately 0.5% of all births occur before the third trimester of pregnancy, and these very early deliveries result in the majority of neonatal deaths and more than 40% of infant deaths. A recent executive summary of proceedings from a joint workshop defined periviable birth as delivery occurring from 20 0/7 weeks to 25 6/7 weeks of gestation. When delivery is anticipated near the limit of viability, families and health care teams are faced with complex and ethically challenging decisions. Multiple factors have been found to be associated with short-term and long-term outcomes of periviable births in addition to gestational age at birth...
November 2015: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/26340994/differences-in-perinatal-and-infant-mortality-in-high-income-countries-artifacts-of-birth-registration-or-evidence-of-true-differences
#19
Paromita Deb-Rinker, Juan Andrés León, Nicolas L Gilbert, Jocelyn Rouleau, Anne-Marie Nybo Andersen, Ragnheiður I Bjarnadóttir, Mika Gissler, Laust H Mortensen, Rolv Skjærven, Stein Emil Vollset, Xun Zhang, Prakesh S Shah, Reg S Sauve, Michael S Kramer, K S Joseph
BACKGROUND: Variation in birth registration criteria may compromise international comparisons of fetal and infant mortality. We examined the effect of birth registration practices on fetal and infant mortality rates to determine whether observed differences in perinatal and infant mortality rates were artifacts of birth registration or reflected true differences in health status. METHODS: A retrospective population-based cohort study was done using data from Canada, United States, Denmark, Finland, Iceland, Norway, and Sweden from 1995-2005...
2015: BMC Pediatrics
https://www.readbyqxmd.com/read/26208463/-below-26%C3%A2-gestational-week-prematurity-what-support
#20
REVIEW
N Winer, C Flamant
Management and decision whether to begin intensive care for very preterm infants below 26 WG and at borderline viability remains controversial, and survival rates for these children vary greatly and justify discussion with regards to literature data and according to the experience of others countries. If active management is more difficult with very preterm infants 24-25 WG, mortality is increased comparing with newborns of more than 26 WG. This is partly explained by limitations of active neonatal intensive care...
October 2015: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
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