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Professor KATE WALKER's Outputs (61)

The test accuracy of antenatal ultrasound definitions of fetal macrosomia to predict birth injury: a systematic review (2020)
Journal Article
Robinson, R., Walker, K. F., White, V. A., Bugg, G. J., Snell, K. I., & Jones, N. W. (2020). The test accuracy of antenatal ultrasound definitions of fetal macrosomia to predict birth injury: a systematic review. European Journal of Obstetrics and Gynecology and Reproductive Biology, 246, P79-85. https://doi.org/10.1016/j.ejogrb.2020.01.019

Objectives
To determine which ultrasound measurement for predicted fetal macrosomia most accurately predicts adverse delivery and neonatal outcomes.

Study Design
Four biomedical databases searched for studies published after 1966.
Randomised tr... Read More about The test accuracy of antenatal ultrasound definitions of fetal macrosomia to predict birth injury: a systematic review.

The strength of evidence supporting luteal phase progestogen after assisted reproduction: A systematic review with reference to trial registration and pre-specified endpoints (2019)
Journal Article
Suthaporn, S., Jayaprakasan, K., Maalouf, W., Thornton, J. G., & Walker, K. F. (2020). The strength of evidence supporting luteal phase progestogen after assisted reproduction: A systematic review with reference to trial registration and pre-specified endpoints. European Journal of Obstetrics and Gynecology and Reproductive Biology, 245, 149-161. https://doi.org/10.1016/j.ejogrb.2019.12.002

Childbirth experience questionnaire 2: Validating its use in the United Kingdom (2019)
Journal Article
Walker, K. F., Dencker, A., & Thornton, J. G. (2020). Childbirth experience questionnaire 2: Validating its use in the United Kingdom. European Journal of Obstetrics && Gynecology and Reproductive Biology: X, 5, Article 100097. https://doi.org/10.1016/j.eurox.2019.100097

© 2019 The Authors Objective: To validate the Childbirth Experience Questionnaire 2 (CEQ2) in the UK to see if it is an effective tool for evaluating labour experience. Study design: The CEQ2 and part of the Care Quality Commission Maternity Survey (... Read More about Childbirth experience questionnaire 2: Validating its use in the United Kingdom.

Advanced maternal age (2019)
Journal Article
Walker, K. F., & Thornton, J. G. (2019). Advanced maternal age. Obstetrics, Gynaecology and Reproductive Medicine, 29(9), 259-263. https://doi.org/10.1016/j.ogrm.2019.06.001

The average age of women at childbirth in industrialised nations has been increasing steadily for approximately 30 years. Women aged 35 years or over have an increased risk of gestational hypertensive disease, gestational diabetes, placenta praevia,... Read More about Advanced maternal age.

Is it time to ban oxytocin for poor labour progress? (2019)
Journal Article
Walker, K. F., & Bugg, G. (2019). Is it time to ban oxytocin for poor labour progress?. Obstetrics, Gynaecology and Reproductive Medicine, 29(6), 175-176. https://doi.org/10.1016/j.ogrm.2019.03.002

Oxytocin causes myometrial contractions and prostaglandin release. It is commonly used as an intervention for women in established labour with slow progress. However recent large randomised trials of oxytocin for this indication have shown no differe... Read More about Is it time to ban oxytocin for poor labour progress?.

Trials of antenatal corticosteroids for preterm fetal lung maturity: a review of the potential for selective outcome reporting (2019)
Journal Article
White, V. A., Walker, K. F., & Thornton, J. G. (2019). Trials of antenatal corticosteroids for preterm fetal lung maturity: a review of the potential for selective outcome reporting. European Journal of Obstetrics and Gynecology and Reproductive Biology, 236, 58-68. https://doi.org/10.1016/j.ejogrb.2019.02.031

Objective
To measure the extent to which the evidence underpinning prenatal corticosteroids for preterm fetal lung maturity is at risk of bias due to selective outcome reporting.
Study Design
Five biomedical databases (Medline, ClinicalTrials.gov,... Read More about Trials of antenatal corticosteroids for preterm fetal lung maturity: a review of the potential for selective outcome reporting.

Maternal position in the second stage of labour for women with epidural anaesthesia (2018)
Journal Article
Walker, K. F., Kibuka, M., Thornton, J. G., & Jones, N. W. (2018). Maternal position in the second stage of labour for women with epidural anaesthesia. Cochrane Database of Systematic Reviews, 2018(11), Article CD008070. https://doi.org/10.1002/14651858.CD008070.pub4

© 2018 The Cochrane Collaboration. Background: Epidural analgesia in labour prolongs the second stage and increases instrumental delivery. It has been suggested that a more upright maternal position during all or part of the second stage may counter... Read More about Maternal position in the second stage of labour for women with epidural anaesthesia.

Development of a standardised set of metrics for monitoring site performance in multicentre randomised trials: a Delphi study (2018)
Journal Article
Whitham, D., Turzanski, J., Bradshaw, L., Clarke, M., Culliford, L., Duley, L., Shaw, L., Skea, Z., Treweek, S. P., Walker, K., Williamson, P. R., Montgomery, A. A., Bevan, S., Devall, A., Fairbrother, K., Goodman, K., Hewitt, C., Hobson, R., Lawton, S., Lock, S., …Wood, J. (2018). Development of a standardised set of metrics for monitoring site performance in multicentre randomised trials: a Delphi study. Trials, 19, Article 557. https://doi.org/10.1186/s13063-018-2940-9

Background
Site performance is key to the success of large multicentre randomised trials. A standardised set of clear and accessible summaries of site performance could facilitate the timely identification and resolution of potential problems, minim... Read More about Development of a standardised set of metrics for monitoring site performance in multicentre randomised trials: a Delphi study.

Monitoring performance of sites within multicentre randomised trials: a systematic review of performance metrics (2018)
Journal Article
Walker, K. F., Turzanski, J., Whitham, D., Montgomery, A., & Duley, L. (2018). Monitoring performance of sites within multicentre randomised trials: a systematic review of performance metrics. Trials, 19, Article 562. https://doi.org/10.1186/s13063-018-2941-8

© 2018 The Author(s). Background: Large multicentre trials are complex and expensive projects. A key factor for their successful planning and delivery is how well sites meet their targets in recruiting and retaining participants, and in collecting hi... Read More about Monitoring performance of sites within multicentre randomised trials: a systematic review of performance metrics.

Interventionist versus expectant care for severe pre-eclampsia between 24 and 34 weeks' gestation (2018)
Journal Article
Churchill, D., Duley, L., Thornton, J. G., Moussa, M., Ali, H. S., & Walker, K. F. (2018). Interventionist versus expectant care for severe pre-eclampsia between 24 and 34 weeks' gestation. Cochrane Database of Systematic Reviews, 2018(10), Article CD003106. https://doi.org/10.1002/14651858.CD003106.pub3

Background: Severe pre‐eclampsia can cause significant mortality and morbidity for both mother and child, particularly when it occurs remote from term, between 24 and 34 weeks' gestation. The only known cure for this disease is delivery. Some obstetr... Read More about Interventionist versus expectant care for severe pre-eclampsia between 24 and 34 weeks' gestation.

Postpartum evaluation of cardiovascular disease risk for women with pregnancies complicated by hypertension (2018)
Journal Article
Escouto, D. C., Green, A., Kurlak, L., Walker, K., Loughna, P., Chappell, L., Broughton Pipkin, F., & Bramham, K. (2018). Postpartum evaluation of cardiovascular disease risk for women with pregnancies complicated by hypertension. Pregnancy Hypertension, 13, 218-224. https://doi.org/10.1016/j.preghy.2018.06.019

Objectives: Postpartum stratification of cardiovascular risk for women with pregnancies complicated by pre-eclampsia is challenging. Our aim was to identify potential clinical and biomarker predictors of future cardiovascular risk at six weeks postpa... Read More about Postpartum evaluation of cardiovascular disease risk for women with pregnancies complicated by hypertension.

Delivery at term: when, how and why (2018)
Journal Article
Walker, K. F., & Thornton, J. (2018). Delivery at term: when, how and why. Clinics in Perinatology, 45(2), https://doi.org/10.1016/j.clp.2018.01.004

The optimal timing of delivery for the baby is 39 weeks, avoiding the morbidity associated with early term birth and reducing the risk of antepartum stillbirth.

There is compelling evidence that among high-risk pregnancies and in settings where ce... Read More about Delivery at term: when, how and why.

Labour induction near term for women aged 35 or over: an economic evaluation (2017)
Journal Article
Walker, K. F., Dritsaki, M., Bugg, G., Macpherson, M., McCormick, C., Grace, N., Wildsmith, C., Bradshaw, L., Smith, G. C., & Thornton, J. (2017). Labour induction near term for women aged 35 or over: an economic evaluation. BJOG: An International Journal of Obstetrics and Gynaecology, 124(6), 929-934. https://doi.org/10.1111/1471-0528.14557

Objective Induction of labour at 39 weeks for nulliparous women aged 35 years and over may prevent stillbirths and does not increase caesarean births, so it may be popular. But the overall costs and benefits of such a policy have not been compared.... Read More about Labour induction near term for women aged 35 or over: an economic evaluation.

Randomized trial of labor induction in women 35 years of age or older (2016)
Journal Article
Walker, K. F., Bugg, G. J., Macpherson, M., McCormick, C., Grace, N., Wildsmith, C., Bradshaw, L., Smith, G. C., & Thornton, J. (2016). Randomized trial of labor induction in women 35 years of age or older. New England Journal of Medicine, 374(9), https://doi.org/10.1056/NEJMoa1509117

BACKGROUND
The risk of antepartum stillbirth at term is higher among women 35 years of age or older than among younger women. Labor induction may reduce the risk of stillbirth, but it also may increase the risk of cesarean delivery, which already is... Read More about Randomized trial of labor induction in women 35 years of age or older.

Childbirth experience questionnaire: validating its use in the United Kingdom (2015)
Journal Article
Walker, K. F., Wilson, P., Bugg, G., Dencker, A., & Thornton, J. (2015). Childbirth experience questionnaire: validating its use in the United Kingdom. BMC Pregnancy and Childbirth, 15(86), https://doi.org/10.1186/s12884-015-0513-4

BACKGROUND:
The Childbirth Experience Questionnaire (CEQ) was developed in Sweden in 2010 and validated in 920 primiparous women. It has not been validated in the United Kingdom (UK). Measuring the impact of an intervention on a woman's childbirth e... Read More about Childbirth experience questionnaire: validating its use in the United Kingdom.

Discrepancies between registration and publication of randomised controlled trials: an observational study (2014)
Journal Article
Walker, K. F., Stevenson, G., & Thornton, J. (2014). Discrepancies between registration and publication of randomised controlled trials: an observational study. Journal of the Royal Society of Medicine, 5(5), https://doi.org/10.1177/2042533313517688

Abstract
OBJECTIVES:
To determine the consistency between information contained in the registration and publication of randomised controlled trials (RCTs).
DESIGN:
An observational study of RCTs published between May 2011 and May 2012 in the Brit... Read More about Discrepancies between registration and publication of randomised controlled trials: an observational study.