JohnAWidnessMD

Neonat/Perinatology • Iowa City, IA

Professor, Pediatrics, University of Iowa College of Medicine

Join to view full profile

Dr. Widness is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
Connect with colleagues in the same hospital or clinic.
Read the latest clinical news, personalized to your specialty.

See Dr. Widness' full profile

Already have an account?

Office
200 Hawkins Dr
Iowa City, IA 52242
Phone+1 319-356-8102

Fax+1 319-356-4685

Education & Training

Case Western Reserve Univ/Univ Hosps Cleveland Med Ctr/Rainbow Babies and Childrens HospitalResidency, Pediatrics, 1973 - 1975
UPMC Medical EducationInternship, Internal Medicine, 1972 - 1973
Duke University School of MedicineClass of 1972

Certifications & Licensure

IA State Medical License 1988 - 2018
American Board of Pediatrics Pediatrics
American Board of Pediatrics Neonatal-Perinatal Medicine

Clinical Trials

Red Blood Cell (RBC) Survival Following Transfusion in Infants Start of enrollment: 2008 Jun 01
Completed
Phase 2
Optimized Erythropoietin (EPO) Treatment Start of enrollment: 2014 Jun 01
Completed
Phase 2
BioRBC Survival in Adults With Prior Antibody Response to BioRBCs Start of enrollment: 2013 May 01
Completed
Phase 1
Mathematical Modeling to Predict the Duration of Thrombocytopenia in Neonates Start of enrollment: 2013 Apr 01
Active, not recruiting
Join now to see all

Publications & Presentations

PubMed

113 citations
Higher or Lower Hemoglobin Transfusion Thresholds for Preterm Infants
Haresh Kirpalani, Edward F. Bell, Susan R. Hintz, Sylvia Tan, Barbara Schmidt
The New England Journal of Medicine. 2020-12-30
43 citations
Amniotic fluid and cord plasma erythropoietin levels in pregnancies complicated by preeclampsia, pregnancy-induced hypertension and chronic hypertension.
Kari Teramo, Vilho Hiilesmaa, Robert S. Schwartz, Gisela K. Clemons, John A. Widness
Journal of Perinatal Medicine. 2004-05-05
64 citations
Iron is prioritized to red blood cells over the brain in phlebotomized anemic newborn lambs.
Tara G Zamora, Sixto F Guiang rd, John A. Widness, Michael K. Georgieff
Pediatric Research. 2016-02-11

Journal Articles

Higher or Lower Hemoglobin Transfusion Thresholds for Preterm Infants
Haresh Kirpalani, Susan R Hintz, Betty R Vohr, Waldemar A Carlo, Kathleen A Kennedy, Robin K Ohls, Kurt Schibler, John A Widness, John AF Zupancic, Myra H Wyckoff, Wil..., The New England Journal of Medicine

Grant Support

Red Cell Survival Following Transfusion In InfantsNational Heart, Lung, And Blood Institute2006–2010
Neonatal Anemia:Pathophysiology And TreatmentNational Heart, Lung, And Blood Institute2006–2010
Administrative, Statistical, Research, And LaboratoryNational Heart, Lung, And Blood Institute2006–2010
Physician Training Program In Neonatal BiologyEunice Kennedy Shriver National Institute Of Child Health &Human Development2003–2007
Erythropoietin Physiology And Pharmacology In InfantsNational Center For Research Resources2004–2005
Erythropoeitin Physiology And Pharmacology In InfantsNational Heart, Lung, And Blood Institute1999–2002
VIA 1 01 Lvm Blood GAS &Chemistry Monitor Testing VS StandardNational Center For Research Resources1999–2002
Erythropoietin Physiology &Pharmacology In InfantsNational Center For Research Resources1999–2002
Effect Of Enteral Iron Supplementation On Iron Status In Premature InfantsNational Center For Research Resources1999–2000
Effect Of Enteral Iron Supplementation On Iron Status Of Premature InfantsNational Center For Research Resources1996–1998
Response To Anemia During The Neonatal PeriodNational Heart, Lung, And Blood Institute1996
Response Of Anemic Infants To ErythropoietinNational Center For Research Resources1992–1996
Hematopoiesis In The Developing Embryo And FetusFogarty International Center1993
|National Heart, Lung, And Blood Institute1991
Erythropoietic And Hemodynamic Response To HypoxemiaNational Heart, Lung, And Blood Institute1989–1990
Erythropoietic And Hemodynamic Response To HypoxemiaNational Heart, Lung, And Blood Institute1987