Dr Julian Ayer

Senior Lecturer
Paediatrics & Child Health, Children's Hospital, Westmead

C29 - Children's Hospital Westmead
The University of Sydney
NSW 2006 Australia

T: +61 2 9845 2345
F: +61 2 9845 2163

Research interests

Early life origins of atherosclerosis

Obesity and cardiovascular disease

Outcomes research in congenital heart disease

Cardiac MRI

Teaching areas

Congenital heart disease


Cardiac MRI

Current national competitive grants*


CardioCAPS: Determining the effects of the transition through puberty on vascular structure and function at age 14 years
Ayer J, Celermajer D
Financial Markets Foundation for Children Research Support ($116,408 over 2 years)

* Grants administered through the University of Sydney


Diagnostic imaging; Obesity & overweight; Atherosclerosis; Cardiovascular diseases


2013 | 2012 | 2011 | 2010 | 2009 | 2008


  • Skilton, M., Marks, G., Ayer, J., Garden, F., Garnett, S., Harmer, J., Leeder, S., Toelle, B., Webb, K., Baur, L., Celermajer, D. (2013), Weight gain in infancy and vascular risk factors in later childhood. Pediatrics. 131(6), e1821-1828. [Abstract]
  • Lau, E., Morgan, P., Belousova, E., Toelle, B., Ayer, J., Celermajer, D., Marks, G. (2013), Asymmetric dimethylarginine and asthma: results from the Childhood Asthma Prevention Study. The European Respiratory Journal. 41(5), 1234-1237. [Abstract]


  • Rangan, A., Flood, V., Denyer, G., Ayer, J., Webb, K., Marks, G., Celermajer, D., Gill, T. (2012), The effect of dairy consumption on blood pressure in mid-childhood: CAPS cohort study. European Journal of Clinical Nutrition. 66(6), 652-657. [Abstract]
  • Skilton, M., Sullivan, T., Ayer, J., Harmer, J., Toelle, B., Webb, K., Marks, G., Celermajer, D. (2012), Carotid extra-medial thickness in childhood: Early life effects on the arterial adventitia. Atherosclerosis. 222(2), 478-482. [Abstract]
  • Skilton, M., Ayer, J., Harmer, J., Webb, K., Leeder, S., Marks, G., Celermajer, D. (2012), Impaired fetal growth and arterial wall thickening: a randomized trial of omega-3 supplementation. Pediatrics. 129(3), e698-e703. [Abstract]
  • Ayer, J., Sholler, G. (2012), Cardiovascular risk factors in Australian children: Hypertension and lipid abnormalities. Australian Prescriber. 35(2), 51-55.
  • Marshall, N., Ayer, J., Toelle, B., Phillips, C., Grunstein, R., Celermajer, D., Marks, G. (2012), Parentally Reported Snoring Is Not Enough Information To Justify Treatment. Journal of Paediatrics and Child Health. , 78. [Abstract]


  • Ayer, J., Belousova, E., Harmer, J., David, C., Marks, G., Celermajer, D. (2011), Maternal cigarette smoking is associated with reduced high-density lipoprotein cholesterol in healthy 8-year-old children. European Heart Journal. 32(19), 2446-2453. [Abstract]
  • Marshall, N., Ayer, J., Toelle, B., Harmer, J., Phillips, C., Grunstein, R., Celermajer, D., Marks, G. (2011), Snoring is not associated with adverse effects on blood pressure, arterial structure or function in 8-year-old children: The Childhood Asthma Prevention Study (CAPS). Journal of Paediatrics and Child Health. 47(8), 518-523. [Abstract]
  • Ayer, J., Belousova, E., Harmer, J., Toelle, B., Celermajer, D., Marks, G. (2011), Lung Function Is Associated with Arterial Stiffness in Children. PLoS One. 6(10), e26303. [Abstract]
  • Ayer, J., Harmer, J., David, C., S Steinbeck, K., Seale, J., Celermajer, D. (2011), Severe Obesity Is Associated With Impaired Arterial Smooth Muscle Function in Young Adults. Obesity (Silver Spring, Md.). 19, 54-60. [Abstract]


  • Ayer, J., Song, C., Steinbeck, K., Celermajer, D., Freedman, S. (2010), Increased Tissue Factor Activity in Monocytes from Obese Young Adults. Clinical and experimental pharmacology & physiology. 37(11), 1049-54. [Abstract]
  • Ayer, J., Sholler, G., Celermajer, D. (2010), Left atrial size increases with body mass index in children. International journal of cardiology. 141(1), 61-7. [Abstract]
  • Ayer, J., Harmer, J., Steinbeck, K., Celermajer, D. (2010), Postprandial Vascular Reactivity in Obese and Normal Weight Young Adults. Obesity (Silver Spring, Md.). 18(0), 945-51. [Abstract]
  • Ayer, J., Harmer, J., Marks, G., Avolio, A., Celermajer, D. (2010), Central arterial pulse wave augmentation is greater in girls than boys, independent of height. Journal of Hypertension. 28(2), 306-313. [Abstract]


  • Ayer, J., Harmer, J., Xuan, W., Toelle, B., Webb, K., Almqvist, C., Marks, G., Celermajer, D. (2009), Dietary supplementation with n-3 polyunsaturated fatty acids in early childhood: effects on blood pressure and arterial structure and function at age 8 y. American Journal of Clinical Nutrition. 90(2), 438-446. [Abstract]
  • Ayer, J., Harmer, J., Nakhla, S., Xuan, W., Ng, M., Raitakari, O., Marks, G., Celermajer, D. (2009), HDL-cholesterol, blood pressure, and asymmetric dimethylarginine are significantly associated with arterial wall thickness in children. Arteriosclerosis, Thrombosis, and Vascular Biology. 29(6), 943-999. [Abstract]
  • Ayer, J., Sullivan, D., Sholler, G. (2009), Lipid abnormalities in children: should we be doing more?. The Medical Journal of Australia. 190, 107-108. [Abstract]


  • Ayer, J., Almafragy, H., Patel, A., Hellyer, R., Celermajer, D. (2008), Body Mass Index is an Independent Determinant of Left Atrial Size. Heart, lung & circulation. 17(1), 19-24. [Abstract]