Zobrazeno 1 - 10 of 20 pro vyhledávání: '"Elena Dvorin"'
1
SECOND-TRIMESTER BIOCHEMICAL SCREENING
Autor: Joseph E. O'Brien, Elena Dvorin, Mark I. Evans, Harold Harrison, The-Hung Bui
Publikováno v: Clinics in Perinatology. 28:289-301
The past years have seen considerable progress in the area of biochemical screening. Increasing data have now clearly shown the advantages of multiple markers, particularly beta-hCG over AFP alone. There continues to be considerable controversy over
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7fef6a169c5d938420e8afbb3e6b301d
https://doi.org/10.1016/s0095-5108(05)70084-1
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2
Differential increases in AFP, hCG, and uE3 in twin pregnancies: Impact on attempts to quantify Down syndrome screening calculations
Autor: Yuval Yaron, Roderick F. Hume, Mark P. Johnson, Joseph E. O'Brien, Mark I. Evans, Mazin Ayoub, Elena Dvorin
Publikováno v: American Journal of Medical Genetics. 73:109-112
Since the advent of multiple marker screening (MMS) for Down syndrome (DS) risk calculations, limitations for twins have been apparent. Recent attempts have been made to extrapolate mathematically singleton risks to twins. Here we investigate the pat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a48b1aafc3fcfd51382e8814398b807c
https://doi.org/10.1002/(sici)1096-8628(19971212)73:2<109::aid-ajmg1>3.0.co
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4
Logistic Regression Generated Probability Estimates for Trisomy 21 Outcomes from Serum Alpha Fetoprotein and Beta Human Chorionic Gonadotrophin: Simplification with Increased Specificity
Autor: Lawrence Chick, Eric L. Krivchenia, Mark I. Evans, Joseph E. O’Brien, Mark P. Johnson, Robert J. Sokol, Elena Dvorin
Publikováno v: Journal of Maternal-Fetal and Neonatal Medicine. 5:1-6
Traditional Gaussian approaches to biochemical screening make calculations very cumbersome. We have sought to develop a logistic regression mathematical model for the calculation of risk for trisomy 21 in multiple marker screening that would be more
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::861dd15e776d539434f125f1e313c3d2
https://doi.org/10.3109/14767059609025386
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5
Standardization of Methods Reduces Variability: Explanation for Historical Discrepancies in Biochemical Screening
Autor: Harold Harrison, Ronald J. Wapner, Mark I. Evans, Joseph E. O’Brien, Elena Dvorin
Publikováno v: Genetic Testing. 7:81-83
Over the past decade, many studies have argued the relative merits of different chromosome abnormality biochemical screening protocols in different labs. Results and interpretations have varied markedly (e.g., double vs. triple screening). In this st
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dcca35909d46b18415ec75b1195fed29
https://doi.org/10.1089/109065703321561001
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7
Prevalence of Vitamin D Deficiency in Uninsured Women
Autor: Elena Dvorin, Susan S. Harris, Sreenivasa R. Chandana, Lakshmi P. Kocharla, Radhika Kakarala
Vitamin D deficiency, an important risk factor for osteoporosis and other chronic medical conditions, is epidemic in the United States. Uninsured women may be at an even higher risk for vitamin D deficiency than others owing to low intake of dietary
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e211a883a00958cd23fab2789fa9e9f
https://europepmc.org/articles/PMC2305742/
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8
2nd-Trimester Maternal Serum Marker Results Are Not Altered by Delayed Analysis
Autor: Mark I. Evans, Mark P. Johnson, Ralph L. Kramer, Elena Dvorin, Tracy Phillips, Baruch Feldman
Publikováno v: Fetal Diagnosis and Therapy. 13:302-304
Objective: The goal of the study was to evaluate the significance of delayed laboratory analysis of maternal serum α-fetoprotein, β-subunit of human chorionic gonadotropin, and unconjugated estriol for prenatal screening. Methods: Biochemical analy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f76bc7084c47db35f0eba4f83bb390f
https://doi.org/10.1159/000020858
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9
Similarity of Insulin-Dependent Diabetics' and Non-Insulin-Dependent Diabetics' Levels of β-hCG and Unconjugated Estriol With Controls: No Need to Adjust as With Alpha-Fetoprotein
Autor: Eric L. Krivchenia, Arie Drugan, Joseph E. O’Brien, Mark I. Evans, Roderick F. Hume, Mark P. Johnson, Elena Dvorin
Publikováno v: Journal of the Society for Gynecologic Investigation. 3:20-22
Objective To determine if the same systematic alteration of serum values seen for alpha-fetoprotein (AFP) in diabetic patients is also seen for beta-hCG and unconjugated estriol (uE3). Methods Serum AFP, beta-hCG, and uE3 results were obtained in 18,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5166cdf68b1853beefb7f23464d52d50
https://doi.org/10.1177/107155769600300105
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10
Correction for insulin-dependent diabetes in maternal serum alpha-fetoprotein testing has outlived its usefulness
Autor: Harold H. Harrison, Joseph E. O'Brien, Mark I. Evans, Eric L. Krivchenia, E. Albert Reece, Elena Dvorin, Xiaohua Huang
Publikováno v: American journal of obstetrics and gynecology. 187(4)
Objective: Historically, α-fetoprotein (AFP) levels in insulin-dependent diabetes (IDDM) have shown an approximately 20% decrement, and a correction factor is used to standardize multiples of the median (MOMs). With new laboratory methods and improv
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82c2b23cd478080b7e76ad2837ad3ba2
https://pubmed.ncbi.nlm.nih.gov/12389009
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