Usha Chitkara
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Explore the profile of Usha Chitkara including associated specialties, affiliations and a list of published articles.
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11
Citations
562
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Recent Articles
1.
Fan H, Blumenfeld Y, Chitkara U, Hudgins L, Quake S
Clin Chem
. 2010 Jun;
56(8):1279-86.
PMID: 20558635
Background: Noninvasive prenatal diagnosis with cell-free DNA in maternal plasma is challenging because only a small portion of the DNA sample is derived from the fetus. A few previous studies...
2.
Lyell D, Pullen K, Mannan J, Chitkara U, Druzin M, Caughey A, et al.
Obstet Gynecol
. 2008 Nov;
112(6):1221-1226.
PMID: 19037029
Objective: To estimate whether maintenance nifedipine tocolysis after arrested preterm labor prolongs pregnancy and improves neonatal outcomes. Methods: A prospective, randomized double-blind, multicenter study was conducted. After successful tocolysis, patients...
3.
Fan H, Blumenfeld Y, Chitkara U, Hudgins L, Quake S
Proc Natl Acad Sci U S A
. 2008 Oct;
105(42):16266-71.
PMID: 18838674
We directly sequenced cell-free DNA with high-throughput shotgun sequencing technology from plasma of pregnant women, obtaining, on average, 5 million sequence tags per patient sample. This enabled us to measure...
4.
Dwyer B, Belogolovkin V, Tran L, Rao A, Carroll I, Barth R, et al.
J Ultrasound Med
. 2008 Aug;
27(9):1275-81.
PMID: 18716136
Objective: The purpose of this study was to compare the accuracy of transabdominal sonography and magnetic resonance imaging (MRI) for prenatal diagnosis of placenta accreta. Methods: A historical cohort study...
5.
Lyell D, Pullen K, Campbell L, Ching S, Druzin M, Chitkara U, et al.
Obstet Gynecol
. 2007 Jul;
110(1):61-7.
PMID: 17601897
Objective: To compare the efficacy and side effects of intravenous magnesium to oral nifedipine for acute tocolysis of preterm labor. Methods: A multicenter randomized trial was performed. Patients in active...
6.
Moise Jr K, Dorman K, Lamvu G, Saade G, Fisk N, Dickinson J, et al.
Am J Obstet Gynecol
. 2005 Sep;
193(3 Pt 1):701-7.
PMID: 16150263
Objective: Left untreated, severe twin-to-twin transfusion syndrome (TTTS) presenting in the early second trimester of pregnancy is often associated with significant maternal morbidity and almost universal perinatal loss. Removal of...
7.
Rao A, Chitkara U, Milki A
Hum Reprod
. 2005 Aug;
20(12):3307-12.
PMID: 16085662
Thromboembolic phenomena are a serious consequence of assisted reproductive technology. We present a case of upper extremity deep vein thrombosis (DVT) at 7 weeks gestation following ovarian hyperstimulation syndrome (OHSS)...
8.
Taslimi M, Acosta R, Chueh J, Hudgins L, Hunter K, Druzin M, et al.
J Ultrasound Med
. 2005 May;
24(6):811-5.
PMID: 15914685
Objectives: The purpose of this study was to determine factors that influence the detection rate of sonographic markers of fetal aneuploidy (SMFA). Methods: We reviewed the sonographic images of 160...
9.
El-Sayed Y, Pullen K, Riley E, Lyell D, Druzin M, Cohen S, et al.
Am J Obstet Gynecol
. 2004 Dec;
191(6):2051-5.
PMID: 15592291
Objective: The purpose of this study was to compare the efficacy and safety of intravenous nitroglycerin with that of subcutaneous terbutaline as a tocolytic agent for external cephalic version at...
10.
Kennedy 2nd W, Chitkara U, Abidari J, Shortliffe L
J Urol
. 2002 Dec;
169(1):298-302.
PMID: 12478175
Purpose: Few quantitative parameters allow for comparison of serial studies in children with prenatally detected genitourinary abnormalities. We establish the first ultrasonographically based fetal renal parenchymal growth curve that could...