(1) The following examinations could be proposed: in high risk cases determined before pregnancy, a chorionic villus sampling should be done between the 9th and 11th weeks of gestation; in low risk cases such as advanced maternal age, a first trimester chorionic villus sampling or a second trimester amniocentesis could be chosen; in the case of Down's syndrome, warning signs, for example ultrasonographic or biological parameters, a second trimester placental biopsy to relieve the parents' anxiety; in high risk cases such as ultrasonographic malformations, late placental biopsy or cordocentesis.
(2) In a cross-sectional study of 120 pregnancies undergoing cordocentesis for prenatal diagnosis (n = 90) or elective caesarean section (n = 30), the umbilical cord and maternal venous plasma erythropoietin (Epo) concentrations were measured.
(3) A cordocentesis allowed us to find important biological abnormalities.
(4) When a fetal blood sample is obtained by cordocentesis it is important to know whether the sample is diluted with amniotic fluid.
(5) Percutaneous umbilical blood sampling (cordocentesis) provides direct access to the fetal circulation in the second and third trimesters of pregnancy.
(6) The diagnosis and treatment of isoimmunization has improved markedly with the introduction of high-resolution real-time ultrasound, cordocentesis, selective intravascular fetal blood transfusion, and meticulous fetal surveillance.
(7) The authors report 8 diagnostic cordocentesis performed at the end of the first trimester.
(8) We have carried out a prenatal diagnostic procedure by means of cordocentesis in a mother who was 20 weeks pregnant and had previously given birth to a child with LAD.
(9) Hourly fetal urine production rate was determined by real-time ultrasonography immediately before cordocentesis for blood gas analysis in 27 small-for-gestational-age fetuses at 20 to 37 weeks' gestation; in 14 cases there was associated oligohydramnios.
(10) Counseling before fetal blood sampling via cordocentesis is more difficult than that done before amniocentesis because 1) a fetal anomaly has been detected or is very likely, 2) the cordocentesis procedure may have a higher risk than does amniocentesis, and 3) the gestational age is frequently advanced before referral.
(11) Cordocentesis has been practiced as a diagnostical tool for prenatal diagnosis of intrauterine infections, hematological disorders, metabolic status of the fetus and rapid cytogenetic analysis.
(12) Plasma triglyceride concentration and blood oxygen tension were measured in samples obtained by cordocentesis from 35 small- and 54 appropriate-for-gestational-age fetuses at 18 to 36 weeks' gestation.
(13) Plasma cortisol and adrenocorticotropin (ACTH) were measured in fetal blood samples obtained by cordocentesis from 61 appropriate for gestational age (AGA) and in 41 small for gestational age (SGA) fetuses at 18-38 weeks gestation.
(14) Amniotic fluid was obtained by amniocentesis and fetal blood by ultrasound guided cordocentesis and by fetoscopy: the samples were analyzed for specific anti Toxoplasma IgM and sent for isolation of the parasite.
(15) Fetal blood sampling via cordocentesis is being used with increased frequency.
(16) Fetal blood sampling by ultrasound-guided cordocentesis was performed in 22 IUGR fetuses in order to evaluate the fetal condition.
(17) Pure fetal blood was obtained by cordocentesis in 101 fetuses of 96 patients at 15 to 38 weeks' gestation.
(18) One week after cordocentesis, the vessel wall was partially reformed.
(19) In all cases cordocentesis was performed within 24 hours before delivery for the measurement of umbilical venous blood gases.
(20) In order to obtain more rapid karyotypes, cordocentesis rather than amniocentesis was performed.
Removal
Definition:
(n.) The act of removing, or the state of being removed.
Example Sentences:
(1) Samples are hydrolyzed with Ba (OH)2, and the hydrolysate is passed through a Dowex-50 column to remove the salts and soluble carbohydrates.
(2) The Cavitron Ultrasonic Surgical Aspirator (CUSA) is a dissecting system that removes tissue by vibration, irrigation and suction; fluid and particulate matter from tumors are aspirated and subsquently deposited in a canister.
(3) After 3 and 6 months, blood collected by cardiocentesis using ether anesthesia and then sacrificed to remove CNS and internal organs.
(4) On removal of selective pressure, the His+ phenotype was lost more readily than the Ura+ Trp+ markers, with a corresponding decrease in plasmid copy number.
(5) Mannose receptor mediated uptake by the reticuloendothelial system has been suggested as an explanation for the rapid removal of ricin A chain antibody conjugates from the circulation after their administration.
(6) Nine months later, the animals were sacrificed, the esophagus and the gastric stump were removed for histologic examination.
(7) Pain is not reported in the removal area, the clinical examinations show identical findings on both patellar tendons, X-ray and ultrasound evaluations do not demonstrate any change in patellar position.
(8) Decreased MU stops additions of bone by modeling and increases removal of bone next to marrow by remodeling.
(9) The International Monetary Fund, which has long urged Nigeria to remove the subsidy, supports the move.
(10) No effect of BSO pretreatments on the incomplete removal of crosslinks over 36 hr of observation was seen.
(11) Plasma for beta-endorphin assay was preincubated with sepharose-bound anti-beta-lipotropin to remove beta-lipotropin that cross-reacted with the beta-endorphin RIA.
(12) However in the deciduous teeth from which the successional tooth germs were removed, the processes of tooth resorption was very different in individuals, the difference between tooth resorption in normal occlusal force and in decreased occlusal force was not clear.
(13) A neonate without external malformation had undergone removal of a nasopharyngeal mass containing anterior and posterior pituitary tissue.
(14) Selective removal of endothelium had no effect on BK-induced contraction or the action of the antagonists.
(15) Conditions for limited digestion of the heterodimer by subtilisin, removing only the carboxyl terminus, were determined.
(16) Our recurrences are due to local infections, removing the metal strut too early, i.e.
(17) We conclude that removal of dimers and repair of gaps were similar in all cases.
(18) Solely infectious waste become removed hospital-intern and -extern on conditions of hygienic prevention, namely through secure packing during the transport, combustion or desinfection.
(19) (4) Despite the removal of the cruciate ligaments and capsulo-ligamentous slide, no significant residual instability was found in either plane.
(20) Agarose-albumin beads may be useful for removing protein-bound substances from the blood of patients with liver failure, intoxication with protein-bound drugs, or specific metabolic deficits.