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Research Output 1984 2016

23 Citations (Scopus)

Acute and chronic effects of endotoxin on cerebral circulation in lambs

Feng, S., Samarasinghe, T., Phillips, D. J., Alexiou, T., Hollis, J., Yu, V. & Walker, A., 2010, In : American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 298, 3, p. 760 - 766 7 p.

Research output: Contribution to journalArticleResearchpeer-review

58 Citations (Scopus)

Acute cardiovascular changes with obstructive events in children with sleep disordered breathing

O'Driscoll, D. M., Foster, A. M., Ng, M. L., Yang, S-C. J., Bashir, F., Nixon, G., Davey, M. J., Anderson, V. A., Walker, A. M., Trinder, J. A. & Horne, R. S. C., 2009, In : Sleep. 32, 10, p. 1265 - 1271 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Age related differences in the distortion of the lung in response to localized pleural stress

Grant, D. A., Fauchere, J-C., Brodecky, V., Skuza, L. A., Cooke, I. R. & Walker, A. M., 1997, p. 109P - 109P. 1 p.

Research output: Contribution to conferenceAbstractOther

Age-related differences in the distortion of the sheep lung in response to localised pleural stress

Grant, D. A., Walker, A. M. & Fauchere, J-C., 2001, In : The Journal of Physiology. 530, 1, p. 153 - 160 8 p.

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)

A model of coronary artery endothelial dysfunction in the sleeping lamb

Hamilton, G. S., Edwards, B. A., Solin, P. & Walker, A. M., 2006, In : Sleep Medicine. 7, 7, p. 573 - 579 7 p.

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)

Arousal and ventilatory responses to mild hypoxia in sleeping preterm infants

Verbeek, M. M. A., Richardson, H. L., Parslow, P. M., Walker, A. M., Harding, R. & Horne, R. S. C., 2008, In : Journal of Sleep Research. 17, 3, p. 344 - 353 10 p.

Research output: Contribution to journalArticleResearchpeer-review

37 Citations (Scopus)

Arousal responses to hypertension in lambs: Effect of sinoaortic denervation

Horne, R. S. C., De Preu, N. D., Berger, P. J. & Walker, A. M., 1 Jan 1991, In : American Journal of Physiology - Heart and Circulatory Physiology. 260, 4 29/4

Research output: Contribution to journalArticleResearchpeer-review

Author response to dehydration during sleep affects cognitive performance

Bourke, R., Anderson, V., Yang, S-C., Jackman, A., Killedar, A., Nixon, G., Davey, M., Walker, A., Trinder, J. & Horne, R. S. C., 2012, In : Sleep Medicine. 13, 1, p. 118 - 119 2 p.

Research output: Contribution to journalLetterOther

11 Citations (Scopus)

Autonomic control of heart rate differs with electrocortical activity and chronic hypoxaemia in fetal lambs

Walker, A. M., De Preu, N. D., Horne, R. S. C. & Berger, P. J., 1 Dec 1990, In : Journal of Developmental Physiology. 14, 1, p. 43-48 6 p.

Research output: Contribution to journalArticleResearchpeer-review

34 Citations (Scopus)

Autonomic dysfunction in children with sleep disordered breathing

Walter, L. M., Nixon, G. M., Davey, M. J., Anderson, V. A., Walker, A. M. & Horne, R. S. C., 2013, In : Sleep and Breathing. 17, 2, p. 605 - 613 9 p.

Research output: Contribution to journalArticleResearchpeer-review

10 Citations (Scopus)

Autoregulation of the cerebral circulation during sleep in newborn lambs

Grant, D. A., Franzini, C., Wild, J. M., Eede, K. J. & Walker, A. M., 2005, In : The Journal of Physiology. 564, 3, p. 923 - 930 8 p.

Research output: Contribution to journalArticleResearchpeer-review

20 Citations (Scopus)

Baroreflex sensitivity during sleep in infants: Impact of sleeping position and sleep state

Yiallourou, S., Sands, S., Walker, A. & Horne, R. S. C., 2011, In : Sleep. 34, 6, p. 725 - 732 8 p.

Research output: Contribution to journalArticleResearchpeer-review

31 Citations (Scopus)

Blood pressure and heart rate patterns during sleep are altered in preterm-born infants: Implications for sudden infant death syndrome

Witcombe, N. B., Yiallourou, S., Walker, A. M. & Horne, R. S. C., 2008, In : Pediatrics. 122, 6, p. 1242 - 1248 7 p.

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)

Breathing at birth and the associated blood gas an pH changes in the lamb

Berger, P. J., Horne, R. S. C., Soust, M., Walker, A. M. & Maloney, J. E., 1 Jan 1990, In : Respiration Physiology. 82, 2, p. 251-265 15 p.

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)

Cardiac and sympathetic activation are reduced in children with Down syndrome and sleep disordered breathing

O'Driscoll, D. M., Horne, R. S. C., Davey, M. J., Hope, S. A., Anderson, V. A., Trinder, J. A., Walker, A. M. & Nixon, G. M., 2012, In : Sleep. 35, 9, p. 1269 - 1275 7 p.

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)

Cardio‐respiratory responses to cool ambient temperature differ with sleep state in neonatal lambs.

Berger, P. J., Horne, R. S. & Walker, A. M., 1 May 1989, In : The Journal of Physiology. 412, 1, p. 351-363 13 p.

Research output: Contribution to journalArticleResearchpeer-review

31 Citations (Scopus)

Cardiovascular variability during periodic leg movements in sleep in children

Walter, L. M., Foster, A. M., Patterson, R. R., Anderson, V. A., Davey, M. J., Nixon, G., Trinder, J. A., Walker, A. M. & Horne, R. S. C., 2009, In : Sleep. 32, 8, p. 1093 - 1099 7 p.

Research output: Contribution to journalArticleResearchpeer-review

25 Citations (Scopus)

Central apnoeas have significant effects on blood pressure and heart rate in children

O'Driscoll, D. M., Foster, A. M., Ng, M. L., Yang, S-C. J., Bashir, F., Wong, S., Nixon, G., Davey, M. J., Anderson, V. A., Walker, A. M., Trinder, J. A. & Horne, R. S. C., 2009, In : Journal of Sleep Research. 18, 4, p. 415 - 421 7 p.

Research output: Contribution to journalArticleResearchpeer-review

32 Citations (Scopus)

Cerebral arterial and venous contributions to tissue oxygenation index measured using spatially resolved spectroscopy in newborn lambs

Wong, F., Alexiou, T., Samarasinghe, T., Brodecky, V. & Walker, A., 2010, In : Anesthesiology. 113, 6, p. 1385 - 1391 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Cerebral blood flow and volume uisng near infrared spectroscopy and radiolabelled microspheres in the fetal lamb brain

Barfield, C., Noma, O., Kukita, J., Oates, A., Cussen, L., Yu, V. Y. & Walker, A. M., 1997, p. A29 - A29. 1 p.

Research output: Contribution to conferenceAbstractOther

24 Citations (Scopus)

Cerebral blood flow regulation in REM sleep: a model for flow-metabolism coupling

Lenzi, P., Zoccoli, G., Walker, A. M. & Franzini, C., 1999, In : Archives Italiennes de Biologie. p. 165 - 179 15 p.

Research output: Contribution to journalArticleResearchpeer-review

14 Citations (Scopus)

Cerebral blood volume measured using near-infrared spectroscopy and radiolabels in the immature lamb brain

Barfield, C., Yu, V. Y., Noma, O., Kukita, J., Cussen, L. J., Oates, A. & Walker, A. M., 1999, In : Pediatric Research. p. 50 - 56 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Cerebral blood volume measured using near-infred spectroscopy and radiolabels in the immature lamb brain

Barfield, C., Yu, V. Y. H., Noma, O., Kukita, J., Cussen, L. J., Oates, A. & Walker, A. M., 1999, In : Pediatric Research. p. 50 - 56 7 p.

Research output: Contribution to journalArticleResearchpeer-review

21 Citations (Scopus)

Cerebral circulation in REM sleep: Is oxygen a main regulating factor

Lenzi, P., Zoccoli, G., Walker, A. M. & Franzini, C., 2000, In : Sleep Research Online. p. 77 - 85 9 p.

Research output: Contribution to journalArticleResearchpeer-review

17 Citations (Scopus)

Cerebral circulation in sleep: vasodilatory response to cerebral hypotension

Grant, D. A., Franzini, C., Wild, J. & Walker, A. M., 1998, In : Journal of Cerebral Blood Flow and Metabolism. p. 639 - 645 7 p.

Research output: Contribution to journalArticleResearchpeer-review

6 Citations (Scopus)

Cerebral oxygenation during subclinical seizures in neonatal hypoxic-ischaemic encephalopathy

Silas, R., Sehgal, A., Walker, A. & Wong, F., 2012, In : European Journal of Paediatric Neurology. 16, 3, p. 304 - 307 4 p.

Research output: Contribution to journalArticleOther

22 Citations (Scopus)

Cerebral oxygenation in preterm infants

Fyfe, K., Yiallourou, S., Wong, F. Y-W., Odoi, A., Walker, A. M. & Horne, R. S. C., 2014, In : Pediatrics. 134, 3, p. 435 - 445 11 p.

Research output: Contribution to journalArticleResearchpeer-review

43 Citations (Scopus)

Cerebral oxygenation is depressed during sleep in healthy term infants when they sleep pone

Wong, F., Smith, N., Yiallourou, S., Yorkston, S., Dymowski, A., Krishnan, L., Walker, A. & Horne, R. S. C., 2011, In : Pediatrics. 127, 3, p. e558 - e565 8 p.

Research output: Contribution to journalArticleResearchpeer-review

43 Citations (Scopus)

Cerebral oxygenation is highly sensitive to blood pressure variability in sick preterm infants

Wong, F. Y-W., Silas, R., Hew, S., Samarasinghe, T. D. & Walker, A. M., 2012, In : PLoS ONE. 7, 8, 7 p., e43165.

Research output: Contribution to journalArticleResearchpeer-review

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46 Citations (Scopus)

Cerebral sympathetic nerve activity has a major regulatory role in the cerebral circulation in REM sleep

Cassaglia, P. A., Griffiths, R. I. & Walker, A. M., 2009, In : Journal of Applied Physiology. 106, 4, p. 1050 - 1056 7 p.

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)

Cerebrovascular control is altered in healthy term infants when they sleep prone

Wong, F. Y-W., Yiallourou, S., Odoi, A., Browne, P., Walker, A. M. & Horne, R. S. C., 2013, In : Sleep. 36, 12, p. 1911 - 1918 8 p.

Research output: Contribution to journalArticleResearchpeer-review

16 Citations (Scopus)
109 Citations (Scopus)

Cognitive and academic functions are impaired in children with all severities of sleep-disordered breathing

Bourke, R., Anderson, V., Yang, J. S-C., Jackman, A., Killedar, A., Nixon, G., Davey, M., Walker, A., Trinder, J. & Horne, R. S. C., 2011, In : Sleep Medicine. 12, 5, p. 489 - 496 8 p.

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)

Coronary blood flow becomes uncoupled from myocardial work during obstructive sleep apnea in the presence of endothelial dysfunction

Hamilton, G. S., Solin, P. & Walker, A. M., 2008, In : Sleep. 31, 6, p. 809 - 816 8 p.

Research output: Contribution to journalArticleResearchpeer-review

15 Citations (Scopus)

Delayed blood pressure recovery after head-up tilting during sleep in preterm infants

Smith, N. B., Yiallourou, S., Walker, A. M. & Horne, R. S. C., 2010, In : Journal of Sleep Research. 19, 1 Pt 1, p. 93 - 102 10 p.

Research output: Contribution to journalArticleResearchpeer-review

29 Citations (Scopus)

Determining sleep quality in children with sleep disordered breathing: EEG spectral analysis compared with conventional polysomnography

Yang, S-C. J., Nicholas, C. L., Nixon, G., Davey, M. J., Anderson, V., Walker, A. M., Trinder, J. A. & Horne, R. S. C., 2010, In : Sleep. 33, 9, p. 1165 - 1172 8 p.

Research output: Contribution to journalArticleResearchpeer-review

4 Citations (Scopus)

Differential effects of sleep disordered breathing on polysomnographic characteristics in preschool and school aged children

Walter, L. M., Nixon, G. M., Davey, M. J., Anderson, V. A., Trinder, J. A., Walker, A. M. & Horne, R. S. C., 2012, In : Sleep Medicine. 13, 7, p. 810 - 815 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Distortion of the lung in response to localized pleural stress: effects of age and positive end-expiratory pressure (PEEP)

Fauchere, J-C., Walker, A. M., Cooke, I. R. & Grant, D. A., 1997, p. P15 - P15. 1 p.

Research output: Contribution to conferenceAbstractOther

25 Citations (Scopus)

Dopamine therapy promotes cerebral flow-metabolism coupling in preterm infants

Wong, F. Y-W., Barfield, C., Horne, R. S. C. & Walker, A. M., 2009, In : Intensive Care Medicine. 35, 10, p. 1777 - 1782 6 p.

Research output: Contribution to journalArticleResearchpeer-review

6 Citations (Scopus)

Dopamine treatment during acute hypoxia is neuroprotective in the developing sheep brain

Brew, N., Azhan, A., den Heijer, I., Boomgardt, M., Davies, G. I., Nitsos, I., Miller, S. L., Walker, A. M., Walker, D. W. & Wong, F. Y., 1 Mar 2016, In : Neuroscience. 316, p. 82-93 12 p.

Research output: Contribution to journalArticleResearchpeer-review

Dose-dependent effects of lipopolysaccharide in a fetal lamb model of endotoxaemia

Chow, P., Yu, V. Y. H. & Walker, A. M., 2003, In : Hong Kong Journal of Paediatrics. 8, 2, p. 107 - 112 6 p.

Research output: Contribution to journalArticleResearchpeer-review

55 Citations (Scopus)

Dynamic changes in arousal threshold during sleep in the human infant

Read, P. A., Horne, R. S. C., Cranage, S. M., Walker, A. M., Walker, D. & Adamson, T. M., 1998, In : Pediatric Research. p. 697 - 703 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Dynamic changes in the arousal threshold during sleep in the human infant

Read, P. A., Horne, R. S. C., Cranage, S. M., Walker, A. M., Walker, D. & Adamson, T. M., 1998, In : Pediatric Research. p. 1 - 7 7 p.

Research output: Contribution to journalArticleResearchpeer-review

10 Citations (Scopus)

EEG spectral analysis of apnoeic events confirms visual scoring in childhood sleep disordered breathing

Yang, S-C., Nicholas, C., Nixon, G., Davey, M., Anderson, V., Walker, A., Trinder, J. & Horne, R. S. C., 2012, In : Sleep and Breathing. 16, 2, p. 491 - 497 7 p.

Research output: Contribution to journalArticleResearchpeer-review

32 Citations (Scopus)

Effect of sinoaortic denervation on arousal responses to hypotension in newborn lambs

Horne, R. S. C., Berger, P. J., Bowes, G. & Walker, A. M., 1 Jan 1989, In : American Journal of Physiology - Heart and Circulatory Physiology. 256, 2

Research output: Contribution to journalArticleResearchpeer-review

37 Citations (Scopus)

Effects of sleeping position on development of infant cardiovascular control

Yiallourou, S., Walker, A. M. & Horne, R. S. C., 2008, In : Archives of Disease in Childhood. 93, 10, p. 868 - 872 5 p.

Research output: Contribution to journalArticleResearchpeer-review

98 Citations (Scopus)

Elevated blood pressure during sleep and wake in children with sleep-disordered breathing

Horne, R. S. C., Yang, J. S-C., Walter, L., Richardson, H., O'Driscoll, D., Foster, A., Wong, S., Ng, M., Bashir, F., Patterson, R., Nixon, G., Jolley, D., Walker, A., Anderson, V., Trinder, J. & Davey, M., 2011, In : Pediatrics. 128, 1, p. e85 - e92 8 p.

Research output: Contribution to journalArticleResearchpeer-review

18 Citations (Scopus)

Endotoxin has acute and chronic effects on the cerebral circulation of fetal sheep

Feng, S. Y. S., Phillips, D. J., Stockx, E. M., Yu, V. Y. H. & Walker, A. M., 2009, In : American Journal of Physiology - Regulatory Integrative and Comparative Physiology. 296, 3, p. R640 - R650 11 p.

Research output: Contribution to journalArticleResearchpeer-review

3 Citations (Scopus)

Endotoxin-induced circulatory changes in the newborn brain: a review

Feng, S. Y. S., Yu, V. Y. H. & Walker, A. M., 2007, In : Hong Kong Journal of Paediatrics. 12, 2, p. 111 - 117 7 p.

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)

Fetal oxygen consumption, umbilical circulation and electrocortical activity transitions in fetal lambs

Walker, A. M., Fleming, J., Smolich, J., Stunden, R., Horne, R. & Maloney, J., 1 Dec 1984, In : Journal of Developmental Physiology. 6, 3, p. 267-274 8 p.

Research output: Contribution to journalArticleResearchpeer-review