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Oxford Fetal Medicine Unit selected publications


Stevenson GN, Noble JA, Welsh AW, Impey L, Collins SL. Automated Visualization and Quantification of Spiral Artery Blood Flow Entering the First-Trimester Placenta, Using 3-D Power Doppler Ultrasound. Ultrasound Med Biol. 2018 Mar;44(3):522-531.

Volpe G, Ioannou C, Cavallaro A, Vannuccini S, Ruiz-Martinez S, Impey L. The influence of fetal sex on the antenatal diagnosis of small for gestational age. J Matern Fetal Neonatal Med. 2018 Jan 2:1-6. doi: 10.1080/14767058.2017.1419180.

Cavallaro A, Veglia M, Svirko E, Vannuccini S, Volpe G, Impey L. Using fetal abdominal circumference growth velocity to improve the prediction of adverse outcomes in near term small for gestational age fetuses. Ultrasound Obstet Gynecol. 2017 Dec 20. doi: 10.1002/uog.18988.

Vannuccini S, Ioannou C, Cavallaro A, Volpe G, Ruiz-Martinez S, Impey L. A reference range of fetal abdominal circumference growth velocity between 20 and 36 weeks' gestation. Prenat Diagn. 2017 Nov;37(11):1084-1092.

Veglia M, Cavallaro A, Papageorghiou A, Black R, Impey L. Small for Gestational Age Babies After 37 Weeks: An Impact Study of a Risk Stratification Protocol. Ultrasound Obstet Gynecol. 2017 Jun 10. doi: 10.1002/uog.17544

Collins SL, Welsh AW, Impey L, Noble JA, Stevenson GN. 3D fractional moving blood volume (3D-FMBV) demonstrates decreased first trimester placental vascularity in pre-eclampsia but not the term, small for gestation age baby. PLoS One. 2017 Jun 1;12(6):e0178675.

Thakkar HS, Durell J, Chakraborty S, Tingle BL, Choi A, Fowler DJ, Gould SJ, Impey L, Lakhoo. Antenatally Detected Congenital Pulmonary Airway Malformations: The Oxford Experience. Eur J Pediatr Surg. 2017 Aug;27(4):324-329.

Bridge CP, Ioannou C, Noble JA. Automated annotation and quantitative description of ultrasound videos of the fetal heart. Med Image Anal. 2016 Nov 19;36:147-161.

Bradshaw CJ, Thakkar H, Knutzen L, Marsh R, Pacilli M, Impey L, Lakhoo K. Accuracy of prenatal detection of tracheoesophageal fistula and oesophageal atresia. J Pediatr Surg. 2016 Aug;51(8):1268-72.

Collins SL, Stevenson GN, Al-Khan A, Illsley NP, Impey L, Pappas L, Zamudio S. Three-Dimensional Power Doppler Ultrasonography for Diagnosing Abnormally Invasive Placenta and Quantifying the Risk. Obstet Gynecol. 2015 Sep;126(3):645-53.

Stevenson GN, Collins SL, Ding J, Impey L, Noble JA. 3-D Ultrasound Segmentation of the Placenta Using the Random Walker Algorithm: Reliability and Agreement. Ultrasound Med Biol. 2015 Dec;41(12):3182-93.

Hemelaar J, Lim LN, Impey L. The Impact of an ECV Service is Limited by Antenatal Breech Detection: A Retrospective Cohort Study. Birth. 2015 Jun;42(2):165-72.

Knutzen L, Svirko E, Impey L. The significance of base deficit in acidemic term neonates. Am J Obstet Gynecol. 2015 Sep;213(3):373.e1-7

Ioannou C. Maternal Vitamin D Deficiency and Fetal Growth. Donald School Journal of Ultrasound in Obstetrics and Gynecology 2015;9:223-229

Sande JA, Ioannou C, Sarris I, Ohuma EO, Papageorghiou AT. Reproducibility of measuring amniotic fluid index and single deepest vertical pool throughout gestation. Prenat Diagn. 2015 May;35(5):434-9.

Aye CY, Stevenson GN, Impey L, Collins SL. Comparison of 2-D and 3-D estimates of placental volume in early pregnancy. Ultrasound Med Biol. 2015 Mar;41(3):734-40.

Thakkar HS, Bradshaw C, Impey L, Lakhoo K. Post-natal outcomes of antenatally diagnosed intra-abdominal cysts: a 22-year single-institution series. Pediatr Surg Int. 2015 Feb;31(2):187-90.

Stevenson GN, Collins SL, Welsh AW, Impey L, Noble JA. A technique for the estimation of fractional moving blood volume by using three-dimensional power Doppler US. Radiology. 2015 Jan;274(1):230-7.

Napolitano R, Dhami J, Ohuma EO, Ioannou C, Conde-Agudelo A, Kennedy SH, Villar J, Papageorghiou AT. Pregnancy dating by fetal crown-rump length: a systematic review of charts. BJOG. 2014 Apr;121(5):556-65.

Ioannou C, Sarris I, Napolitano R, Ohuma E, Javaid MK, Papageorghiou AT. A longitudinal study of normal fetal femur volume. Prenat Diagn. 2013 Nov;33(11):1088-94.

Yaqub MK, Ioannou C, Javaid MK, Cooper C, Papageorghiou AT, Noble JA. Fusion of 3D Ultrasound Images of the Fetal Femur Improves Boundary Definition and Volume Measurement. Fetal Diagn Ther. 2013;34(3):158-65.

Hegarty J, Ismail AQ, Ioannou C, Anthony L, Impey L, Anthony M. Intrapartum antibiotic prophylaxis for prevention of group B streptococcal disease in preterm infants. Arch Dis Child Fetal Neonatal Ed. 2013 Mar;98(2):F188.

SL Collins, GN Stevenson, JA Noble, L Impey. Rapid calculation of standardised placental volume at 11-13 weeks and the prediction of the term, small for gestational age baby. Ultrasound in Medicine and Biology 2013 Feb;39(2):253-60.

S Collins, G Stevenson, A Noble, L Impey. Developmental changes in spiral artery blood flow in the human placenta observed with colour Doppler ultrasonography. Placenta. 2012 Oct;33(10):782-7.

P Yeh, K Emary, L Impey. The relationship between umbilical cord arterial pH and serious adverse neonatal outcomes: analysis of 51 519 consecutive validated samples. BJOG 2012; 119:824-831

Welsh AW, Collins SL, Stevenson GN, Noble JA, Impey L. Inapplicability of fractional moving blood volume technique to standardize Virtual Organ Computer-aided AnaLysis indices for quantified three-dimensional power Doppler. Ultrasound Obstet Gynecol. 2012 Dec;40(6):688-92.

Collins SL, Birks JS, Stevenson GN, Papageorghiou AT, Noble JA, Impey L. Measurement of spiral artery jets: general principles and differences observed in small-for-gestational-age pregnancies. Ultrasound Obstet Gynecol. 2012 Aug;40(2):171-8.

Collins SL, Stevenson GN, Noble JA, Impey L, Welsh AW. Influence of power Doppler gain setting on Virtual Organ Computer-aided AnaLysis indices in vivo: can use of the individual sub-noise gain level optimize information? Ultrasound Obstet Gynecol. 2012 Jul;40(1):75-80.

Ioannou C, Javaid MK, Mahon P, Yaqub MK, Harvey NC, Godfrey KM, Noble JA, Cooper C, Papageorghiou AT. The effect of maternal vitamin D concentration on fetal bone. J Clin Endocrinol Metab. 2012 Nov;97(11):E2070-7.

Ioannou C, Talbot K, Ohuma E, Sarris I, Villar J, Conde-Agudelo A, Papageorghiou AT. Systematic review of methodology used in ultrasound studies aimed at creating charts of fetal size. BJOG. 2012 Nov;119(12):1425-39.

Ioannou C, Sarris I, Javaid MK, Papageorghiou AT. Sphenoidal fontanelle area measurement on rendered 3D ultrasound. Prenat Diagn. 2012 Jun;32(6):592-5.

Ioannou C, Sarris I, Salomon LJ, Papageorghiou AT. A review of fetal volumetry: the need for standardization and definitions in measurement methodology. Ultrasound Obstet Gynecol. 2011;38: 613–619.

Ioannou C, Sarris I, Yaqub MK, Noble JA, Javaid MK, Papageorghiou AT. Surface area measurement using rendered three dimensional ultrasound imaging: an in vitro phantom study. Ultrasound Obstet Gynecol. 2011;38(4):445-449.

M Gupta, C Hockley, M Quigley, P Yeh, L Impey. Antepartum and intrapartum risk factors for shoulder dystocia. European Journal of Obstetrics and Gynaecology and Reproductive Biology 2010; 151: 134-8

A Mears, J Sadiq, L Impey, K Lakhoo. Antenatal bowel dilatation in gastroschisis: a bad sign? Pediatr Surg Int. 2010; 26: 581-8.

M Gupta, K Emary, L Impey. Emergency cervical cerclage: predictors of success. Journal of Maternal-Fetal and Neonatal Medicine 2010;23: 670-4

Ioannou C, Wayne C. Diagnosis and management of vasa previa: a questionnaire survey. Ultrasound Obstet Gynecol. 2010 Feb;35(2):205-9.

G Patel, J Sadiq, N Shenker, L Impey, K Lakhoo. Neonatal Survival of antenatally diagnosed exomphalos. Paediatric Surgery International 2009; 25: 413-6.

R Brettell, P Yeh, L Impey. The association between fetal gender and preterm delivery. European Journal of Obstetrics and Gynaecology and Reproductive Biology 2008; 141: 123-6

L Impey, C Greenwood, R Black, P Yeh, O Sheil, P Doyle. The relationship between intrapartum maternal fever and acidosis as risk factors for neonatal encephalopathy. American Journal of Obstetrics and Gynecology 2008; 198: 49.e1-6.

E Svirko, J Mellanby, L Impey. The association between cord pH at birth and intellectual function in childhood. Early Human Development 2008; 84: 37-41

P Patel, J Farley, L Impey, K Lakhoo. Evaluation of a fetomaternal-surgical clinic for prenatal counselling of surgical anomalies. Pediatr Surg Int. 2008 Apr;24(4):391-4.