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Fetal megacystis

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https://www.readbyqxmd.com/read/28580571/ultrasound-guided-balloon-catheterisation-a-new-method-of-fetal-lower-urinary-tract-obstruction-management
#1
Marzena Dębska, Adam Koleśnik, Piotr Kretowicz, Anna Olędzka, Piotr Gastoł, Romuald Dębski
OBJECTIVES: Fetal lower urinary tract obstruction (LUTO), most often associated with presence of posterior urethral valves, poses high risk of perinatal mortality or postnatal renal failure. Looking for a method of causative treatment we have devel-oped a technique of fetal urethroplasty with a coronary angioplasty balloon catheter inserted under an ultrasonographic guidance via an 18-gauge needle introduced transabdominally to fetal bladder. MATERIAL AND METHODS: We have used this procedure in three women with singleton pregnancies (two primiparas and one multipara, 32-35 years of age), diagnosed with fetal megacystis at 12-16 weeks of gestation...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28495235/prenatal-detection-of-megacystis-not-always-an-adverse-prognostic-factor-experience-in-25-consecutive-cases-in-a-tertiary-referral-center-with-complete-neonatal-outcome-and-follow-up
#2
Marcella Pellegrino, Daniela Visconti, Vincenzo Davide Catania, Luisa D'Oria, Carlo Manzoni, Maria Giovanna Grella, Alessandro Caruso, Lucia Masini, Giuseppe Noia
INTRODUCTION: Megacystis is a condition of abnormal enlarged fetal bladder for gestational age, which is usually associated with urological malformations that may constitute a life-threatening condition for the baby. OBJECTIVE: The purpose of this study was to assess the prognostic and etiological criteria of fetal megacystis and to describe the neonatal outcome in a large series collected in a single tertiary center. STUDY DESIGN: A retrospective observational study was conducted between 2008 and 2012...
April 14, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28399525/prognosis-of-isolated-first-trimester-fetal-megacystis-with-spontaneous-resolution
#3
Noémie Girard, Benjamin Viaris de Lesegno, Paul Bussière, Catherine Egoroff, Anne-Gaël Cordier, Alexandra Benachi
OBJECTIVE: Fetal megacystis has a poor prognosis. During the first trimester, it is frequently associated with chromosomal abnormalities or multiple malformations, but can also be isolated and resolve spontaneously. In this study, our main objective was to determine the fetal and pediatric prognosis in this particular situation. METHODS: This was a retrospective multicenter study. We describe the cases referred to our fetal medicine centers and also cases previously reported in the international literature...
April 12, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28397377/yield-of-a-12-13-week-scan-for-the-early-diagnosis-of-fetal-congenital-anomalies-in-the-cell-free-dna-era
#4
M J A Kenkhuis, M Bakker, F Bardi, F Fontanella, M K Bakker, H Fleurke-Rozema, C M Bilardo
OBJECTIVE: Aim of the study was to assess the percentage and type of anomalies (structural and chromosomal) that can be detected at an early scan performed at 12-13 weeks' gestation, as opposed to the present screening policy (20 -week scan). METHODS: Sonographers accredited for the nuchal translucency (NT) measurement were asked, after additional training, to participate into the study. The early scans were performed according to a protocol, in six ultrasound practices and 2 referral centers in the Northeast of the Netherlands...
April 11, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28278526/-acute-kidney-failure-due-to-urachal-cyst
#5
I Klaassen, M Wolf, M J Kemper, S Riechardt, M Boettcher, J Herrmann, D Singer
A 34-year-old para V woman was referred to our centre at 35+1 weeks of gestation for an assumed fetal malformation with prenatal renal impairment and anhydramnios. Prenatal ultrasound demonstrated unilateral renal agenesis; the bladder was not detectable. The baby was born by caesarian section at 36+2 weeks of gestation because of placental insufficiency. Postnatal adaptation was uneventful, but the newborn presented external stigmas of trisomy 21 and progressive renal impairment with anuria. Nevertheless, the postnatal ultrasound showed two enlarged kidneys in loco typico with impaired perfusion but without signs of malformations...
March 9, 2017: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/28133847/fetal-megacystis-prediction-of-spontaneous-resolution-and-outcome
#6
F Fontanella, L Duin, P N Adama van Scheltema, T E Cohen-Overbeek, E Pajkrt, M Bekker, C Willekes, C J Bax, C M Bilardo
OBJECTIVES: To predict likelihood of spontaneous resolution during fetal life and postnatal outcome of fetal megacystis, diagnosed in all trimesters in pregnancy. METHODS: This was a national retrospective cohort study. Fetal megacystis was defined in the first trimester as a longitudinal bladder diameter (LBD) ≥ 7 mm, and in the 2(nd) and 3(rd) trimester as an enlarged bladder failing to empty during the entire extended ultrasound (US) examination. LBD and GA at resolution were investigated as of likelihood of resolution and of postnatal outcome, respectively...
January 30, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27964828/commentary-to-fetal-megacystis-a-systematic-review
#7
Goedele M A Beckers
No abstract text is available yet for this article.
February 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27889224/fetal-megacystis-a-systematic-review
#8
REVIEW
K Taghavi, C Sharpe, M D Stringer
Fetal megacystis is variably defined and understood. The literature on fetal megacystis was systematically reviewed, focusing on prenatal diagnosis, associations and outcomes. This yielded a total of 18 primary references and eight secondary references. Fetal megacystis has an estimated first-trimester prevalence of between 1:330 and 1:1670, with a male to female ratio of 8:1. In the first trimester, megacystis is most commonly defined as a longitudinal bladder dimension of ≥7 mm. Later in pregnancy, a sagittal dimension (in mm) greater than gestational age (in weeks) + 12 is often accepted...
February 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/27764886/-female-preterm-monozygotic-twins-discordant-for-fetal-megacystis-due-to-cloacal-dysgenesis-after-conception-by-intracytoplasmatic-sperm-injection-case-report-and-review-of-literature
#9
M Schneider, I Schmeh, A Fruth, C Whybra-Trümpler, E Mildenberger
Monozygotic twins were previously regarded as "identical". By now an increasing number of case reports of monozygotic but discordant twins have been reported, and therefore discordance between monozygotic twins is being investigated intensively. We report a case of female preterm monozygotic twins who were discordant for fetal megacystis due to cloacal dysgenesis. Pregnancy was achieved after intracytoplasmatic sperm injection and transfer of 2 embryos. By the first trimester fetal megacystis with consecutive oligohydramnios and hypoplasia of the lungs was diagnosed...
October 2016: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/27558969/impact-of-holoprosencephaly-exomphalos-megacystis-and-increased-nuchal-translucency-on-first-trimester-screening-for-chromosomal-abnormalities
#10
A Syngelaki, L Guerra, I Ceccacci, T Efeturk, K H Nicolaides
OBJECTIVES: To examine the prevalence of alobar holoprosencephaly, exomphalos, megacystis and nuchal translucency thickness (NT) ≥ 3.5 mm, the incidence and types of chromosomal abnormalities associated with these conditions and their overall impact on the rate of invasive testing and performance of screening at 11-14 weeks. METHODS: This was a prospective screening study for trisomies 21, 18 and 13 by the first-trimester combined test at three maternity units in England...
August 25, 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27394921/intrauterine-vesicoamniotic-shunting-for-fetal-megacystis
#11
R Stadié, B Strizek, I Gottschalk, A Geipel, U Gembruch, C Berg
OBJECTIVE: To examine the outcome of fetuses with megacystis treated with vesicoamniotic shunting (VAS) from 14 weeks onward. METHODS: Retrospective review of all fetuses that received VAS at two centres from 2004 to 2012. RESULTS: 53 fetuses with megacystis were included in the study. Mean gestational age at diagnosis was 16.4 weeks. Mean gestational age at first shunt placement was 17.8 weeks. The first shunt placement was performed before 16 weeks in 18 (34 %) cases...
July 9, 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/26614135/imaging-evaluation-of-fetal-megacystis-how-can-magnetic-resonance-imaging-help
#12
REVIEW
Maria A Calvo-Garcia
Evaluation of the kidneys, bladder, and amniotic fluid volume forms part of any standard obstetrical ultrasound. When a fetal genitourinary anomaly is suspected, a more detailed evaluation is necessary. This detailed imaging can be challenging in the setting of decreased or absent amniotic fluid or large maternal body habitus, and in complex malformations. In these situations, magnetic resonance imaging can help to better define the fetal anatomy and provide a more confident and specific prenatal diagnosis.
December 2015: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/26117662/-fetal-abdominal-cysts-at-the-first-trimester-scan
#13
F Dhombres, S Friszer, O Castaing, R Bessis, J-M Jouannic
OBJECTIVES: Abdominal cysts are seldom detected at the first trimester scan. The aim of this study is to ascertain their outcome, which is currently not established. METHODS: The French College of Fetal Ultrasound conducted a prospective observational study of 24months, collecting all cases of abdominal cysts discovered during the first trimester ultrasound. Cases of megacystis were excluded from the study. Ultrasound images, prenatal diagnosis expert reports and pregnancy outcomes were collected by sonographers after patient consent...
July 2015: Gynécologie, Obstétrique & Fertilité
https://www.readbyqxmd.com/read/25998219/new-insights-into-the-genetics-of-fetal-megacystis-actg2-mutations-encoding-%C3%AE-2-smooth-muscle-actin-in-megacystis-microcolon-intestinal-hypoperistalsis-syndrome-berdon-syndrome
#14
Lea Tuzovic, Sha Tang, Russell S Miller, Luis Rohena, Layla Shahmirzadi, Kelly Gonzalez, Xiang Li, Charles A LeDuc, Jiancheng Guo, Ashley Wilson, Ashley Mills, Kenneth Glassberg, Heidi Rotterdam, Antonia R Sepulveda, Wenqi Zeng, Wendy K Chung, Kwame Anyane-Yeboa
OBJECTIVE: To identify the molecular basis for prenatally suspected cases of megacystis microcolon intestinal hypoperistalsis syndrome (MMIHS) (MIM 249210) in 3 independent families with clinical and radiographic evidence of MMIHS. METHODS: Whole-exome sequencing (WES) and Sanger sequencing of the ACTG2 gene. RESULTS: We identified a novel heterozygous de novo missense variant in ACTG2 c.770G>A (p.Arg257His) encoding x03B3;-2 smooth muscle actin (ACTG2) in 2 siblings with MMIHS, suggesting gonadal mosaicism of one of the parents...
2015: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/25865633/fetoscopic-laser-surgery-to-decompress-distal-urethral-obstruction-caused-by-prolapsed-ureterocele
#15
X Torres Montebruno, J M Martinez, E Eixarch, O Gómez, L García Aparicio, M Castañón, E Gratacos
We report on the successful use of fetoscopic surgery to treat a case of prolapsed ureterocele in a female fetus. At 21 weeks' gestation, a double renal system with an intravesical ureterocele obstructing the bladder outlet was diagnosed, causing severe megacystis, bilateral hydronephrosis and progressive oligohydramnios. Ultrasound evaluation following referral to our center confirmed severe bilateral hydronephrosis with pelvic and calyceal dilatation, but amniotic fluid volume was normal and the ureterocele was not visualized in the bladder...
November 2015: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/25834750/carbon-monoxide-poisoning-during-pregnancy-presentation-of-a-rare-severe-case-with-fetal-bladder-complications
#16
Myriam Delomenie, Floriane Schneider, Joëlle Beaudet, René Gabriel, Nathalie Bednarek, Olivier Graesslin
Carbon monoxide poisoning during pregnancy is a rare and potentially serious condition. Fetal complications are uncommon, related to anoxic lesions. The severity of these complications does not depend on the level of maternal COHb. We report the case of a 22-year-old pregnant woman who at 30 weeks of gestation had carbon monoxide poisoning secondary to a fire in her home, complicated by cardiac arrest and severe fetal damage. The child had not brain damage, but presented bladder lesions not previously described, with urinary ascites complicating megacystis...
2015: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/25736523/fetal-laser-therapy-applications-in-the-management-of-fetal-pathologies
#17
REVIEW
Jérôme Mathis, Luigi Raio, David Baud
Fetoscopic coagulation of placental anastomoses is the treatment of choice for severe twin-to-twin transfusion syndrome. In the present day, fetal laser therapy is also used to treat amniotic bands, chorioangiomas, sacrococcygeal teratomas, lower urinary tract obstructions and chest masses, all of which will be reviewed in this article. Amniotic band syndrome can cause limb amputation by impairing downstream blood flow. Large chorioangiomas (>4 cm), sacrococcygeal teratomas or fetal hyperechoic lung lesions can lead to fetal compromise and hydrops by vascular steal phenomenon or compression...
July 2015: Prenatal Diagnosis
https://www.readbyqxmd.com/read/24943481/fetal-megacystis-experience-of-a-single-tertiary-center-in-switzerland-over-20-years
#18
Anne-Claude Müller Brochut, Daniel Thomann, Wolfram Kluwe, Edoardo Di Naro, Anette Kuhn, Luigi Raio
OBJECTIVES: Megacystis (MC) is rare and often associated with other structural and chromosomal anomalies. In euploid cases with early oligohydramnios, prognosis is poor mainly due to pulmonary hypoplasia and renal damage. We report our experience of the past 20 years. METHODS: A retrospective review of cases with prenatally diagnosed MC was performed. Complete prenatal as well as postnatal medical records from 1989 to 2009 were reviewed focusing on diagnostic precision, fetal interventions [vesicocentesis (VC), vesicoamniotic shunt (VAS)], short- and long-term outcome, and potential prognostic factors...
2014: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/24937948/-endocopic-fetal-surgery
#19
REVIEW
Rogelio Cruz-Martínez, Eduard Gratacos
At present, the fetus is already considered a "patient" and as such, can develop diseases with fatal outcome in which the only therapeutic option can be fetal surgery. Currently, fetal surgery is limited almost exclusively to endoscopic surgery. Different techniques have gained clinical acceptance for improving the prognosis of various lethal fetal pathologies. Laser therapy for twin to twin transfusion syndrome and cord occlusion in monochorionic twins with selective intrauterine growth restriction are the procedures of choice for the management of monochorionic twins complications, and are associated with survival rates of up to 80-90% for at least one fetus...
May 2014: Ginecología y Obstetricia de México
https://www.readbyqxmd.com/read/24807775/isolated-congenital-megacystis-with-spontaneous-resolution-an-exceedingly-rare-entity
#20
Farshid Alizadeh
No abstract text is available yet for this article.
March 2014: Urology Journal
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