2019
Coding and Legal Issues in Obstetric and Gynecologic Ultrasound
Shwayder JM, Copel JA, Stohl H. Coding and Legal Issues in Obstetric and Gynecologic Ultrasound. Obstetrics And Gynecology Clinics Of North America 2019, 46: 853-862. PMID: 31677758, DOI: 10.1016/j.ogc.2019.07.012.Chapters
2001
Changes in fetal hemodynamics with ritodrine tocolysis
Gokay Z, Ozcan T, Copel J. Changes in fetal hemodynamics with ritodrine tocolysis. Ultrasound In Obstetrics And Gynecology 2001, 18: 44-46. PMID: 11489225, DOI: 10.1046/j.1469-0705.2001.00453.x.Peer-Reviewed Original ResearchConceptsMiddle cerebral arteryTime-velocity integralFetal heart ratePulsatility indexHeart rateRitodrine infusionCerebral arteryUmbilical arteryVelocity integralEffects of ritodrineLeft cardiac outputDoppler pulsatility indexCerebral blood flowFetal cardiovascular systemRitodrine therapyPreterm laborDuctus arteriosusFetal hemodynamicsRenal arteryRitodrine tocolysisCardiac outputThoracic aortaDoppler waveformsAtrioventricular valveBlood flowTransvaginal sonographic evaluation of fetal anatomy at 14 to 16 weeks. Why it is not feasible in the United States.
Copel J. Transvaginal sonographic evaluation of fetal anatomy at 14 to 16 weeks. Why it is not feasible in the United States. Journal Of Ultrasound In Medicine 2001, 20: 710-711. PMID: 11444728, DOI: 10.7863/jum.2001.20.7.710.Commentaries, Editorials and Letters
1999
Assessment of Doppler velocimetry of the fetal umbilical artery by multigate spectral Doppler scanning and traditional pulsed Doppler ultrasonography plus color flow mapping.
Prapas N, Mari G, Liang R, Copel J. Assessment of Doppler velocimetry of the fetal umbilical artery by multigate spectral Doppler scanning and traditional pulsed Doppler ultrasonography plus color flow mapping. Journal Of Ultrasound In Medicine 1999, 18: 831-835. PMID: 10591448, DOI: 10.7863/jum.1999.18.12.831.Peer-Reviewed Original ResearchA new splenic artery Doppler velocimetric index for prediction of severe fetal anemia associated with Rh alloimmunization
Bahado-Singh R, Oz U, Deren O, Pirhonen J, Kovanci E, Copel J, Onderoglu L. A new splenic artery Doppler velocimetric index for prediction of severe fetal anemia associated with Rh alloimmunization. American Journal Of Obstetrics And Gynecology 1999, 180: 49-54. PMID: 9914577, DOI: 10.1016/s0002-9378(99)70148-1.Peer-Reviewed Original ResearchConceptsMain splenic arterySevere fetal anemiaSevere anemiaHemoglobin deficitFetal anemiaSplenic arteryGestational ageDoppler velocimetric indicesDevelopment of hydropsNew Doppler indexVelocimetric indicesCase patientsDoppler indicesRh alloimmunizationRh sensitizationHealthy fetusesAnemiaFalse positive rateNoninvasive predictionDiastolic phaseAnemia detectionDoppler velocimetrySignificant correlationArteryCordocentesis
1998
New Down syndrome screening algorithm: Ultrasonographic biometry and multiple serum markers combined with maternal age
Bahado-Singh R, Oz A, Kovanci E, Deren O, Copel J, Baumgarten A, Mahoney J. New Down syndrome screening algorithm: Ultrasonographic biometry and multiple serum markers combined with maternal age. American Journal Of Obstetrics And Gynecology 1998, 179: 1627-1631. PMID: 9855608, DOI: 10.1016/s0002-9378(98)70036-5.Peer-Reviewed Original ResearchConceptsHumerus length measurementsSerum markersDown syndromeMaternal ageTriple screenHumerus lengthMultiple stepwise logistic regression analysisTriple-marker serum screeningSerum analytesStepwise logistic regression analysisScreening algorithmHigh-risk populationFetal Down syndromeMultiple serum markersDown syndrome screeningHuman chorionic gonadotropinLogistic regression analysisNew screening algorithmDown's syndrome screening efficiencyPrenatal Down syndrome screeningDown syndrome detectionFalse positive rateSerum screenSingleton fetusesUnconjugated estriolImmunohistochemical localization of inducible nitric oxide synthase on human fetal amnion in intra-amniotic infection
Hsu C, Meaddough E, Lu L, Chelouche A, Liang R, Copel J, Parkash V. Immunohistochemical localization of inducible nitric oxide synthase on human fetal amnion in intra-amniotic infection. American Journal Of Obstetrics And Gynecology 1998, 179: 1271-1274. PMID: 9822514, DOI: 10.1016/s0002-9378(98)70145-0.Peer-Reviewed Original ResearchConceptsInducible nitric oxide synthaseIntra-amniotic infectionNitric oxide synthaseFetal amniotic membranesOxide synthaseFetal amnionNitric oxideAmniotic membranePositive amniotic fluid culturePlacental pathologic featuresAmniotic fluid levelsNitric oxide metabolitesAnti-inducible nitric oxide synthaseAmniotic fluid cultureNormal rabbit serumOvarian carcinoma cellsHuman inducible nitric oxide synthaseInfectious productsPathologic featuresOxide metabolitesFluid culturePositive immunostainingRabbit polyclonal antibodyImmunohistochemical localizationFluid levelsArterial and venous Doppler velocimetry in the severely growth‐restricted fetus and associations with adverse perinatal outcome
Ozcan T, Sbracia M, d'Ancona R, Copel J, Mari G. Arterial and venous Doppler velocimetry in the severely growth‐restricted fetus and associations with adverse perinatal outcome. Ultrasound In Obstetrics And Gynecology 1998, 12: 39-44. PMID: 9697283, DOI: 10.1046/j.1469-0705.1998.12010039.x.Peer-Reviewed Original ResearchMeSH KeywordsBlood Flow VelocityCerebral ArteriesFemaleFetal Growth RetardationFetusHumansInfant, NewbornPregnancyPregnancy OutcomePrognosisPulsatile FlowReference ValuesSensitivity and SpecificitySignal Processing, Computer-AssistedSurvival RateUltrasonography, Doppler, ColorUltrasonography, PrenatalUmbilical ArteriesUmbilical VeinsConceptsAdverse outcome parametersAdverse perinatal outcomesGrowth-restricted fetusesOutcome parametersApgar scorePerinatal outcomesDuctus venosusPerinatal deathNeonatal intensive care unitSevere intrauterine growth restrictionDuctus venosus Doppler velocimetryAbnormal Doppler velocimetryVenous Doppler velocimetryVenous Doppler waveformsRespiratory distress syndromeMiddle cerebral arteryRetinopathy of prematurityIntensive care unitIntrauterine growth restrictionDays of lifeOnly significant parameterApgar valuesPeriventricular leukomalaciaDistress syndromeFetal demise
1997
The effect of intravascular blood transfusion on the flow velocity waveform of the portal venous system of the anemic fetus
d'Ancona R, Rahman F, Ozcan T, Copel J, Mari G. The effect of intravascular blood transfusion on the flow velocity waveform of the portal venous system of the anemic fetus. Ultrasound In Obstetrics And Gynecology 1997, 10: 333-337. PMID: 9444047, DOI: 10.1046/j.1469-0705.1997.10050333.x.Peer-Reviewed Original ResearchConceptsFlow velocity waveformsPortal venous systemAnemic fetusesVelocity waveformsPortal hypertensionIntravascular transfusionPortal veinVenous systemNormal fetusesIntravascular blood transfusionNon-pulsatile flowBlood transfusionRhesus alloimmunizationGestational agePulsatile patternTransfusionFetusesPresence of pulsatilityHypertensionIncreased numberCardiac cyclePulsatileVeinAlloimmunizationUtero
1995
Abdominal venous system in the normal fetus.
Mari G, Uerpairojkit B, Copel J. Abdominal venous system in the normal fetus. Obstetrics And Gynecology 1995, 86: 729-33. PMID: 7566838, DOI: 10.1016/0029-7844(95)00264-r.Peer-Reviewed Original ResearchConceptsFlow velocity waveformsInferior vena cavaAbdominal venous systemUmbilical sinusNormal fetusesVena cavaPortal veinVenous systemVelocity waveformsDuctus venosusSplenic veinHepatic veinUmbilical veinCommon iliac veinLeft hepatic veinAdrenal veinWeeks' gestationRenal veinIliac veinAnterior divisionPosterior divisionMonophasic patternFetusesCavaBiphasic patternBlood flow velocity waveforms of the abdominal arteries in appropriate‐ and small‐for‐gestational‐age fetuses
Mari G, Abuhamad A, Uerpairojkit B, Martinez E, Copel J. Blood flow velocity waveforms of the abdominal arteries in appropriate‐ and small‐for‐gestational‐age fetuses. Ultrasound In Obstetrics And Gynecology 1995, 6: 15-18. PMID: 8528795, DOI: 10.1046/j.1469-0705.1995.06010015.x.Peer-Reviewed Original ResearchConceptsGestational age fetusesPulsatility index valuesSuperior mesenteric arteryFlow velocity waveformsPulsatility indexSplenic arteryHepatic arteryMesenteric arteryRenal arteryVelocity waveformsAbdominal arteriesLower pulsatility index valuesSuperior mesenteric artery levelColor flow Doppler ultrasonographyBlood flow velocity waveformsHigher pulsatility indexLow pulsatility indexLow vascular resistanceSuccessful insonationArtery levelVascular resistanceDoppler ultrasonographyArterial waveformBlood flowNormal fetuses
1994
Color Doppler flow patterns and flow velocity waveforms of the intraplacental fetal circulation in growth-retarded fetuses
Rotmensch S, Liberati M, Luo J, Kliman H, Gollin Y, Bellati U, Hobbins J, Copel J. Color Doppler flow patterns and flow velocity waveforms of the intraplacental fetal circulation in growth-retarded fetuses. American Journal Of Obstetrics And Gynecology 1994, 171: 1257-1264. PMID: 7977530, DOI: 10.1016/0002-9378(94)90143-0.Peer-Reviewed Original ResearchConceptsIntrauterine growth retardationFlow velocity waveformsUmbilical artery flow velocity waveformsColor Doppler flow signalsColor Doppler flow patternsDoppler flow signalsDoppler flow patternsVillous arteriesColor Doppler flowGrowth retardationVelocity waveformsFetal distressDoppler flowAbnormal umbilical artery flow velocity waveformsReversed end-diastolic flowDoppler flow velocity waveformsFlow signalsMedian Apgar scoresEnd-diastolic flowGrowth-retarded fetusesCross-sectional studyPulsed-wave DopplerApgar scoreColor Doppler flow imagesNormal pregnancy
1992
Fetal Cardiovascular Physiology and Therapy
Kleinman C, Copel J. Fetal Cardiovascular Physiology and Therapy. Fetal Diagnosis And Therapy 1992, 7: 147-157. PMID: 1503650, DOI: 10.1159/000263663.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsFetal cardiovascular physiologyFetal lamb modelHuman fetal heartSurgical interventionFetal heartLamb modelCardiovascular physiologyFetal cardiovascular malformationsFetal ductus arteriosusFetal cardiovascular systemVentricular filling characteristicsFetal cardiac developmentSystolic reserveVentricular afterloadDuctus arteriosusThird trimesterForamen ovaleNeonatal periodVentricular hypoplasiaFetal lambsShunt flowPrenatal interventionTimely therapyCardiovascular malformationsHuman fetuses
1991
Interventional procedures in obstetrics
Copel J, Grannum P, Hobbins J. Interventional procedures in obstetrics. Seminars In Roentgenology 1991, 26: 87-94. PMID: 2006436, DOI: 10.1016/0037-198x(91)90042-m.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
1990
Invasive Fetal Assessment in the Antepartum Period
Copel J, Gullen M, Grannum P, Hohbins J. Invasive Fetal Assessment in the Antepartum Period. Obstetrics And Gynecology Clinics Of North America 1990, 17: 201-221. PMID: 2192320, DOI: 10.1016/s0889-8545(21)00473-3.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
1989
Fetal Behavior in Preterm Premature Rupture of the Membranes
Goldstein I, Copel J, Hobbins J. Fetal Behavior in Preterm Premature Rupture of the Membranes. Clinics In Perinatology 1989, 16: 735-754. PMID: 2673615, DOI: 10.1016/s0095-5108(18)30629-8.Peer-Reviewed Original Research