M
Mark Walker
Researcher at University of Ottawa
Publications - 690
Citations - 63950
Mark Walker is an academic researcher from University of Ottawa. The author has contributed to research in topics: Population & Pregnancy. The author has an hindex of 97, co-authored 622 publications receiving 58554 citations. Previous affiliations of Mark Walker include Newcastle University & Queen's University.
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Journal ArticleDOI
Utilization of Health Care Services of Pregnant Women Complicated by Preeclampsia in Ontario
TL;DR: Compared with study subjects without PE, those with PE had increased uses of spinal anesthesia, maternal transfer, Cesarean delivery, labour induction, neonatal transfer, newborn resuscitation, longer hospital stay for childbirth, and higher rates of preterm births and low birth weight.
Journal ArticleDOI
Data accuracy in the Ontario birth Registry: a chart re-abstraction study
Sandra Dunn,Sandra Dunn,Andrea Lanes,Andrea Lanes,Ann E. Sprague,Ann E. Sprague,Deshayne B. Fell,Deshayne B. Fell,Deborah Weiss,Jessica Reszel,Monica Taljaard,Monica Taljaard,Elizabeth K. Darling,Ian D. Graham,Ian D. Graham,Jeremy M. Grimshaw,Jeremy M. Grimshaw,JoAnn Harrold,Graeme N. Smith,Wendy E. Peterson,Mark Walker +20 more
TL;DR: Overall, the data elements evaluated in the birth Registry were found to have good agreement with data from the patients’ charts, and data elements that showed moderate kappa or low ICC require further investigation.
Journal ArticleDOI
Effect of Folic Acid Supplementation in Pregnancy on Preeclampsia: The Folic Acid Clinical Trial Study
Shi Wu Wen,Josee Champagne,Ruth Rennicks White,Doug Coyle,William D. Fraser,Graeme N. Smith,Dean Fergusson,Mark Walker +7 more
TL;DR: The FACT study aims to recruit 3,656 high risk women to evaluate a new prevention strategy for PE: supplementation of folic acid throughout pregnancy.
Journal ArticleDOI
Significance of IGFBP-4 in the development of fetal growth restriction.
Qing Qiu,Michael Bell,Xiaoyin Lu,Xiaojuan Yan,Marc A. Rodger,Mark Walker,Shi Wu Wen,Shannon Bainbridge,Hongmei Wang,Andrée Gruslin +9 more
TL;DR: The role of IGF BP-4 in regulating IGF bioavailability is supported and new clues for the prevention and treatment of FGR are provided, raising the possibility of clinical use of IGFBP-4 as an early biomarker for this condition.
Journal ArticleDOI
Pre- and post-conception pesticide exposure and the risk of birth defects in an Ontario farm population
TL;DR: The results showed that pre-conception exposure to both cyanazine and dicamba were associated with increased risk of birth defects in male offspring, and the present findings should be considered primarily as hypothesis generating, requiring verification in subsequent investigations.