Affiliation: Public Health Agency of Canada
- Comparison of maternal mortality and morbidity between trial of labor and elective cesarean section among women with previous cesarean deliveryShi Wu Wen
Division of Health Surveillance and Epidemiology, Centre for Healthy Human Development, Health Canada, 501 Smyth Road, Ottawa, Ontario K1H 8L6, Canada
Am J Obstet Gynecol 191:1263-9. 2004..This study was undertaken to assess the safety of trial of labor after previous cesarean delivery...
- Maternal mortality and severe morbidity associated with low-risk planned cesarean delivery versus planned vaginal delivery at termShiliang Liu
Health Surveillance and Epidemiology Division, Centre for Health Promotion, Public Health Agency of Canada, Ottawa, Ont
CMAJ 176:455-60. 2007..The rate of elective primary cesarean delivery continues to rise, owing in part to the widespread perception that the procedure is of little or no risk to healthy women...
- An analysis of antenatal hospitalization in Canada, 1991-2003Shiliang Liu
Health Surveillance and Epidemiology Division, Centre for Health Promotion, Public Health Agency of Canada, Tunney s Pasture, Ottawa, Ontario, Canada
Matern Child Health J 11:181-7. 2007..To examine the incidence and temporal trends of hospitalization during pregnancy, and provide additional information on maternal morbidity among Canadian women...
- Risk of maternal postpartum readmission associated with mode of deliveryShiliang Liu
Health Surveillance and Epidemiology Division, Centre for Healthy Human Development, Public Health Agency of Canada, Ottawa, Ontario
Obstet Gynecol 105:836-42. 2005..To determine whether cesarean and operative vaginal deliveries are associated with an increased risk of maternal rehospitalization compared with spontaneous vaginal delivery...
- Sudden infant death syndrome in Canada: trends in rates and risk factors, 1985-1998I D Rusen
Health Surveillance and Epidemiology Division, Centre for Healthy Human Development, Health Canada, Ottawa, Ontario, Canada
Chronic Dis Can 25:1-6. 2004..However, the lack of reliable risk factor data limits the extent to which the decline can be attributed directly to the campaign...
- Temporal trends in sudden infant death syndrome in Canada from 1991 to 2005: contribution of changes in cause of death assignment practices and in maternal and infant characteristicsNicolas L Gilbert
Maternal and Infant Health Section, Public Health Agency of Canada, Ottawa, Canada
Paediatr Perinat Epidemiol 26:124-30. 2012..It is unlikely that the temporal decline of SIDS in Canada was due to changes in cause-of-death assignment practices or in maternal and infant characteristics...
- Recent trends in caesarean delivery rates and indications for caesarean delivery in CanadaShiliang Liu
Health Surveillance and Epidemiology Division, Centre for Healthy Human Development, Health Canada, Ottawa, ON
J Obstet Gynaecol Can 26:735-42. 2004..9% in 1994/95 to 1.3% in 2000/01. CONCLUSION: Most of the recent increase in Caesarean delivery rates in Canada was attributed to increases in primary Caesarean delivery for dystocia and elective repeat Caesarean deliveries...
- Secular trends of fetal growth in Canada, 1981 to 1997Shi Wu Wen
Department of Obstetrics and Gynecology and Clinical Epidemiology Program, University of Ottawa, Ontario, Canada
Paediatr Perinat Epidemiol 17:347-54. 2003..We conclude that Canadian infants are getting bigger, but only those born at term. The temporal trends for more extremely distributed fetal growth measures are particularly marked...
- Epidemiology of pregnancy-associated venous thromboembolism: a population-based study in CanadaShiliang Liu
Health Surveillance and Epidemiology Division, Centre for Health Promotion, Public Health Agency of Canada, Ottawa, ON, Canada
J Obstet Gynaecol Can 31:611-20. 2009..To estimate the frequency of, and to identify risk factors for, pregnancy-associated venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE) requiring hospitalization...
- Incidence, risk factors, and associated complications of eclampsiaShiliang Liu
Health Surveillance and Epidemiology Division, Centre for Chronic Disease Prevention and Control, Public Health Agency of Canada, Ottawa, Ontario, Canada
Obstet Gynecol 118:987-94. 2011..To estimate trends in incidence and identify risk factors and maternal and neonatal consequences of eclampsia in Canada...
- Association between maternal exposure to ambient air pollutants during pregnancy and fetal growth restrictionShiliang Liu
McLaughlin Centre for Population Health Risk Assessment, Institute of Population Health, University of Ottawa, Ottawa, 1 Stewart Street, Ontario, Canada
J Expo Sci Environ Epidemiol 17:426-32. 2007..Our findings add to the emerging body of evidence that exposure to relatively low levels of ambient air pollutants in urban areas during pregnancy is associated with adverse effects on fetal growth...
- Epidemiologic evidence of relationships between reproductive and child health outcomes and environmental chemical contaminantsDonald T Wigle
McLaughlin Centre for Population Health Risk Assessment, University of Ottawa, Ottawa, Ontario, Canada
J Toxicol Environ Health B Crit Rev 11:373-517. 2008..These are needed to generate research findings that can be compared and subjected to pooled analyses aimed at knowledge synthesis...
- Length of hospital stay, obstetric conditions at childbirth, and maternal readmission: a population-based cohort studyShiliang Liu
Health Surveillance and Epidemiology Division, Centre for Healthy Human Development, Health Canada, and McLaughlin Center for Population Health Risk Assessment, University of Ottawa, ON, Canada
Am J Obstet Gynecol 187:681-7. 2002..We assessed the association between obstetric conditions, length of hospital stay for childbirth, and maternal readmission...
- Relationship of prenatal diagnosis and pregnancy termination to overall infant mortality in CanadaShiliang Liu
Health Surveillance and Epidemiology Division, HPB Bldg 7, Tunney s Pasture AL 0701D, Ottawa, Ontario, Canada K1A OL2
JAMA 287:1561-7. 2002..Prenatal diagnosis and termination of affected pregnancies can prevent infant deaths due to congenital anomalies, but an effect at the population level has not been shown...
- Environmental hazards: evidence for effects on child healthDonald T Wigle
McLaughlin Centre for Population Health Risk Assessment, University of Ottawa, Ottawa, Ontario
J Toxicol Environ Health B Crit Rev 10:3-39. 2007..To adequately address such priorities, governments and agencies must strengthen environmental health research capacities and adopt policies to reduce parental and childhood exposures to proven and emerging environmental threats...
- The occurrence of abruptio placentae in Canada: 1990 to 1997Teresa Broers
Department of Community Health and Epidemiology, Queen's University, Kingston, Ontario, Canada
Chronic Dis Can 25:16-20. 2004..The abruptio placentae rate was highest in mothers over 40 years of age and the case-fatality rate highest in those under 20. These results provide a baseline reference for rates of abruptio placentae in Canada...
- Cause-specific mortality during and after pregnancy and the definition of maternal deathLinda A Turner
Bureau of Reproductive and Child Health, Health Canada, Ottawa, Ontario
Chronic Dis Can 23:31-6. 2002..We found no empirical justification for including deaths not directly related to pregnancy in reported counts of maternal deaths for most of the causal categories we considered...
- Increasing incidence of non-Hodgkin's lymphoma in Canada, 1970-1996: age-period-cohort analysisShiliang Liu
McLaughlin Centre for Population Health Risk Assessment, Institute of Population Health, University of Ottawa, Ottawa, Canada
Hematol Oncol 21:57-66. 2003..The birth cohort effect in NHL suggests that changes in risk factors may have contributed to the observed increase...
- Association between gaseous ambient air pollutants and adverse pregnancy outcomes in Vancouver, CanadaShiliang Liu
McLaughlin Centre for Population Health Risk Assessment, Institute of Population Health, and Department of Epidemiology and Community Medicine, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
Environ Health Perspect 111:1773-8. 2003..0 ppm increase) during the first month of pregnancy. In conclusion, relatively low concentrations of gaseous air pollutants are associated with adverse effects on birth outcomes in populations experiencing diverse air pollution profiles...
- Reconciling the high rates of preterm and postterm birth in the United StatesK S Joseph
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynaecology and Pediatrics, Dalhousie University and the IWK Health Centre, Halifax, Nova Scotia, Canada
Obstet Gynecol 109:813-22. 2007..We attempted to explain these differences based on differences in the method of gestational age estimation...
- Risks of stillbirth and early neonatal death by day of weekZhong-Cheng Luo
Department of Pediatrics, McGill University, , Quebec, Canada
CMAJ 170:337-41. 2004..INTERPRETATION: The crude risks of stillbirth and early neonatal death remained slightly higher for births on weekend days, but the excesses were much smaller than those reported from other countries...
- Does reducing infant mortality depend on preventing low birthweight? An analysis of temporal trends in the AmericasMichael S Kramer
Departments of Pediatrics and of Epidemiology and Biostatistics, McGill University Faculty of Medicine, Montreal, Quebec, Canada
Paediatr Perinat Epidemiol 19:445-51. 2005....
- Trends in fetal and infant deaths caused by congenital anomaliesShiliang Liu
Department of Epidemiology and Community Medicine, McLaughlin Centre for Population Health Risk Assessment, University of Ottawa, Canada
Semin Perinatol 26:268-76. 2002..Further declines in overall infant mortality in industrialized countries can be expected as a result of an increasing uptake of prenatal diagnosis...
- Preterm birth, stillbirth and infant mortality among triplet births in Canada, 1985-96K S Joseph
Department of Obstetrics and Gyneacology, Halifax, Nova Scotia, Canada
Paediatr Perinat Epidemiol 16:141-8. 2002..In spite of temporal reductions in infant mortality, triplet births continue to be associated with very high rates of preterm birth and fetal and infant mortality. Fetal mortality among triplets has not changed over the last ten years...
- Stillbirths in the United States, 1981-2000: an age, period, and cohort analysisCande V Ananth
Division of Epidemiology and Biostatistics, Department of Obstetrics, Gynecology, and Reproductive Sciences, UMDNJ Robert Wood Johnson Medical School, New Brunswick, NJ 08901 1977, USA
Am J Public Health 95:2213-7. 2005..We examined age, period, and cohort (APC) effects on temporal trends in stillbirths among Black and White women in the United States...