Conrad R. Chao

ORCID: 0000-0003-1107-8703
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Research Areas
  • Pregnancy and preeclampsia studies
  • Neonatal and fetal brain pathology
  • Neonatal Respiratory Health Research
  • Neuroscience of respiration and sleep
  • Gestational Diabetes Research and Management
  • Birth, Development, and Health
  • Maternal and fetal healthcare
  • Prenatal Screening and Diagnostics
  • Congenital Diaphragmatic Hernia Studies
  • Prenatal Substance Exposure Effects
  • Infant Development and Preterm Care
  • Maternal and Perinatal Health Interventions
  • Forensic Toxicology and Drug Analysis
  • Ectopic Pregnancy Diagnosis and Management
  • Phonocardiography and Auscultation Techniques
  • Infant Health and Development
  • Pregnancy-related medical research
  • Nasal Surgery and Airway Studies
  • Diversity and Career in Medicine
  • Innovations in Medical Education
  • Cardiovascular Issues in Pregnancy
  • Diet and metabolism studies
  • Pulmonary Hypertension Research and Treatments
  • Preterm Birth and Chorioamnionitis
  • Reproductive Health and Contraception

Fuyang Normal University
2025

University of New Mexico
2016-2023

University of New Mexico Hospital
2018-2021

Harbor–UCLA Medical Center
1996-2021

Wayne State University
2018

Santa Clara Valley Medical Center
2004-2017

UCLA Medical Center
2000-2004

Los Angeles Medical Center
1999-2003

University of California, Los Angeles
1996-2003

NewYork–Presbyterian Hospital
1994-1997

Objectives To compare a traditional ultrasound (US) method for estimated fetal weight (EFW) calculation and growth restriction diagnosis with 2 newer methods the prediction of small gestational age (SGA) at birth. Methods We reviewed deliveries our institution from January 1, 2013, to March 31, 2017. Singleton, nonanomalous, well‐dated fetuses US examination within weeks delivery were included. Estimated weights percentiles calculated by (Hadlock et al; Radiology 1991; 181:129–133) methods:...

10.1002/jum.14725 article EN Journal of Ultrasound in Medicine 2018-09-23

In the 1980s, Chinese literature entered a new transformation era. While injecting profound historical connotations into literary circles, phase of also presented complex form intertwined discourse. As pioneering writing during period transition between old and new, this article compares Scar Literature 1980s with works Wang Zengqi (Wang is used to represent in following text) same time. The author believes that school were stage, but had varied creative styles. former more line social...

10.54254/2753-7048/2025.20381 article EN cc-by Lecture Notes in Education Psychology and Public Media 2025-01-15

We compared outcomes between neonates receiving either single course, multiple courses, or no antenatal glucocorticoid exposure.We retrospectively identified whose mothers received a course (SIN) of dexamethasone, (2-3) weekly courses (MULT), (NO) glucocorticoids. Multiple gestations and infants with chromosomal abnormalities not full dexamethasone were excluded from the study. The incidences following examined: respiratory distress syndrome (RDS), Grades III IV intraventricular hemorrhage...

10.1002/(sici)1520-6661(200003/04)9:2<131::aid-mfm9>3.0.co;2-m article EN The Journal of Maternal-Fetal Medicine 2000-03-01

The Royal College of Obstetricians and Gynaecologists (RCOG) defines fetal growth restriction as ultrasound-estimated weight less than the 10th percentile or abdominal circumference percentile; American Gynecologists (ACOG) estimated alone. We compared each method's ability to predict small for gestational age (SGA) at birth.For this retrospective study diagnostic accuracy, we reviewed deliveries University New Mexico Hospital from January 1, 2013, March 31, 2017. included mothers with...

10.1097/aog.0000000000002564 article EN Obstetrics and Gynecology 2018-04-08

Condyloma Acuminatum is a sexually transmitted viral disease caused by the human papilloma virus (HPV). It most common disease. In this randomized controlled trial, cantharidin was found to be more effective and better tolerated than trichloroacetic acid for treatment of these lesions. Patients treated with healed less scarring those TCA (P<0.034), had pain during (P<0.01), required fewer treatments eradicate warts (P<0.01) when compared Trichloroacetic acid.

10.12891/ceog4112.2018 article EN Clinical and Experimental Obstetrics & Gynecology 2018-06-10

The effect of cephalic hypotension on brain metabolism was studied in 10 unanesthetized, normoxic (P a O 2 &gt;17 mm Hg), late-gestation fetal lambs. Perfusion pressure (cephalic arterial minus sagittal venous pressure) 40 ±1 Hg (SEM) during control and reduced to ± 1 by occlusion the Grachiocephalic artery. Cerebral blood flow measured with microspheres, vein samples were analyzed for oxygen content, glucose, lactate. During occlusion, consumption decreased from 125 8 95 4 (p &lt; 0.05)...

10.1038/jcbfm.1989.7 article EN Journal of Cerebral Blood Flow & Metabolism 1989-02-01

The effect of hypoxemia and cephalic hypotension, alone in combination, on hemispherical CBF metabolism was examined seven chronically catheterized fetal sheep. Hypoxemia induced by lowering the maternal inspired oxygen fraction hypotension generated partial occlusion brachiocephalic artery. measured with radionuclide-labeled microspheres. During control, arterial blood content (Cao 2 ) 3.2 ± 1.0 (SD) m M averaged 131 21 ml min −1 100 g . perfusion pressure (PP, mean - sagittal venous) 40 4...

10.1038/jcbfm.1991.11 article EN Journal of Cerebral Blood Flow & Metabolism 1991-01-01

Spontaneous fetal swallowing occurs at a markedly higher rate compared with spontaneous adult drinking activity. This high of is critical for amniotic fluid volume regulation. Central NO maintaining the normal swallowing, as nonselective inhibition (with central N(G)-nitro-L-arginine methyl ester) suppresses and angiotensin II (ANG II)-stimulated swallowing. We sought to differentiate contributions endothelial vs. neuronal in regulation stimulated using selective synthase (nNOS) inhibitor....

10.1152/ajpregu.00229.2001 article EN AJP Regulatory Integrative and Comparative Physiology 2002-05-01

The study aims to determine resident applicant metrics most predictive of academic and clinical performance as measured by the Council Resident Education in Obstetrics Gynecology (CREOG) examination scores Accreditation for Graduate Medical (ACGME) (Milestones) aftermath United States Licensing Examination Scores (USMLE) Step 1 becoming a pass/fail examination.In this retrospective study, electronic paper documents Wayne State University residents matriculated over 5-year period ending July...

10.1177/23821205211037444 article EN cc-by-nc Journal of Medical Education and Curricular Development 2021-01-01

10.1016/s0002-9378(97)70024-3 article EN American Journal of Obstetrics and Gynecology 1997-11-01

We hypothesized that because fetal stomach filling and emptying is a dynamic process, measurements of the dimensions might not be reproducible. Serial 20 minutes apart were made in 146 fetuses at 14 to 41 weeks gestation. In 88 these fetuses, biparietal diameter also was measured provide standard for comparison. The mean percentage change between each paired 16.6% 43.1% different dimensions, compared with only 2% (P < 0.001). suggest caution excised diagnostic use owing their dynamically...

10.7863/jum.1992.11.12.663 article EN Journal of Ultrasound in Medicine 1992-12-01
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