Research Topics
| T O MorganSummaryAffiliation: University of Melbourne Country: Australia Publications
| Collaborators |
Detail Information
Publications
Combined renin-angiotensin system blockade and dietary sodium restriction impairs cardiomyocyte contractilityPetcharat Trongtorsak
Department of Medical Science, Burapha University, Chonburi, 20131, Thailand
J Renin Angiotensin Aldosterone Syst 4:213-9. 2003..Chronic RAS blockade qualitatively alters the intrinsic inotropic status and responsiveness of ventricular cardiomyocytes, and this shift is further modulated by dietary sodium intake conditions...
Sodium, angiotensin II, blood pressure, and cardiac hypertrophyT O Morgan
Department of Physiology, University of Melbourne, Parkville, Australia
Kidney Int Suppl 67:S213-5. 1998..The sodium intake of the rat plays an important role influencing the cardiac but not the BP response to Ang II. These results infer that it is important to avoid episodes of acute BP elevation...
Effect of different antihypertensive drug classes on central aortic pressureTrefor Morgan
Department of Physiology, University of Melbourne, Parkville, Victoria 3010, Australia
Am J Hypertens 17:118-23. 2004..The clinical importance of this discrepancy needs to be evaluated...
Renin, angiotensin, sodium and organ damageTrefor Morgan
Department of Physiology, University of Melbourne, Victoria, Australia
Hypertens Res 26:349-54. 2003..When deciding on treatment in human hypertension these results have important clinical implications...
The effect of nonsteroidal anti-inflammatory drugs on blood pressure in patients treated with different antihypertensive drugsTrefor Morgan
Department of Physiology, University of Melbourne, and Hypertension Clinic, ARMC, Heidelberg, Australia
J Clin Hypertens (Greenwich) 5:53-7. 2003..If patients are on other antihypertensive agents, it is important to monitor blood pressure when a NSAID is added to therapy...
Different drug classes have variable effects on blood pressure depending on the time of dayTrefor O Morgan
Hypertension Unit, ARMC, Heidelberg, Victoria, Australia
Am J Hypertens 16:46-50. 2003..Blood pressure (BP) is controlled by a variety of systems, the activities of which vary throughout the day. As drugs are developed that selectively block these systems, the fall in BP may not be consistent over 24 h...
Low doses of angiotensin converting enzyme inhibitors and angiotensin type 1 blockers have a synergistic effect but high doses are less than additiveTrefor Morgan
Department of Physiology, University of Melbourne, Parkville, Victoria 3010, Australia
Am J Hypertens 15:1003-5. 2002..This study examined the effect of combination of different doses of the two drugs on blood pressure (BP)...
A comparison of candesartan, felodipine, and their combination in the treatment of elderly patients with systolic hypertensionTrefor Morgan
Department of Physiology, University of Melbourne, Parkville, Vic, Australia
Am J Hypertens 15:544-9. 2002..The combination was well tolerated and is suitable for use in patients who do not have an adequate response to monotherapy...
Interaction of ACE inhibitors and AT(1)-receptor blockers on maximum blood pressure response in spontaneous hypertensive ratsTrefor Morgan
Department of Physiology, University of Melbourne, Parkville, Vic, Australia
J Renin Angiotensin Aldosterone Syst 3:16-8. 2002..The combination of ACE-I and AT(1)-blocking drugs is more effective than either therapy alone and may be a useful combination to manage hypertension and/or cardiac failure...
Interactions between sodium and angiotensinT Morgan
Department of Physiology, University of Melbourne, Parkville, Victoria, Australia
Clin Exp Pharmacol Physiol 28:1070-3. 2001..2% NaCl intake. 5. Intake of NaCl and AngII interact at many levels. It is postulated that there is an important interaction at the cellular level that can explain the above events...
ACE inhibitors, beta-blockers, calcium blockers, and diuretics for the control of systolic hypertensionT O Morgan
Department of Physiology, University of Melbourne, Victoria, Australia
Am J Hypertens 14:241-7. 2001..In elderly people with essential hypertension, therapy should be instituted with diuretics or calcium-blocking drugs, but combination therapy will usually be required to achieve goal...
Effect of indomethacin on blood pressure in elderly people with essential hypertension well controlled on amlodipine or enalaprilT O Morgan
Department of Physiology, University of Melbourne, Victoria, Australia
Am J Hypertens 13:1161-7. 2000..In such patients amlodipine would appear to be a preferred choice to enalapril...
Cardiac hypertrophy depends upon sleep blood pressure: a study in ratsT O Morgan
Department of Physiology, University of Melbourne, Parkville, Victoria, Australia
J Hypertens 18:445-51. 2000....
Effects of combined administration of ACE inhibitor and angiotensin II receptor antagonist are prevented by a high NaCl intakeC D Griffiths
Department of Physiology, University of Melbourne, Victoria, Australia
J Hypertens 19:2087-95. 2001..The syndrome may result from depletion of angiotensinogen and the failure to synthesize sufficient angiotensin II that may be critical for normal cardiac growth and function and critical for survival...
Angiotensin blocking drugs and the heart beyond 2000T O Morgan
Department of Physiology, University of Melbourne, Parkville, Victoria, Australia
J Am Soc Nephrol 10:S243-7. 1999..Clinically, the AT1 receptor blocking drugs have few side effects and appear to have similar beneficial effects to angiotensin-converting enzyme inhibitors, making them suitable to treat many people with hypertension...
Effects of aortic ligation on the renin angiotensin system in hydronephrotic miceD Y Zhang
Department of Physiology, University of Melbourne, Parkville, Victoria, Australia
Blood Press 8:122-7. 1999..Aortic ligation results in a significant rise in blood pressure and the activity of the RAS. The mechanisms may involve a baroreceptor and/or an unknown factor...
Ethanol effects on cardiomyocyte contractilityL M Delbridge
Department of Physiology, University of Melbourne, Parkville, Victoria 3052, Australia
Clin Sci (Lond) 98:401-7. 2000....
Similar effects of treatment on central and brachial blood pressures in older hypertensive subjects in the Second Australian National Blood Pressure TrialAnthony M Dart
Baker Heart Research Institute, Melbourne, Victoria 8008, Australia
Hypertension 49:1242-7. 2007..There is no evidence that the better prognosis for patients randomly assigned to ACE-I in Second Australian National Blood Pressure Trial resulted from a disproportionate lowering of central blood pressure...
Brachial blood pressure but not carotid arterial waveforms predict cardiovascular events in elderly female hypertensivesAnthony M Dart
Baker Medical Research Institute, Melbourne, Victoria, 8008, Australia
Hypertension 47:785-90. 2006..Thus, blood pressure measurement alone is superior to measurement of arterial waveforms in predicting outcome in this group...
Predictors of failure to initiate randomized treatment in a large trial of antihypertensive drug therapy in the agedMark R Nelson
Discipline of General Practice, University of Tasmania, Hobart, Australia
Am J Hypertens 18:885-8. 2005....
Decreasing dietary sodium while following a self-selected potassium-rich diet reduces blood pressureCaryl A Nowson
Centre for Physical Activity and Nutrition Research, School of Health Sciences, Deakin University, Burwood Highway, Burwood, VIC 2125, Australia
J Nutr 133:4118-23. 2003....
A comparison of outcomes with angiotensin-converting--enzyme inhibitors and diuretics for hypertension in the elderlyLindon M H Wing
School of Medicine, Flinders University, Adelaide, Australia
N Engl J Med 348:583-92. 2003..CONCLUSIONS: Initiation of antihypertensive treatment involving ACE inhibitors in older subjects, particularly men, appears to lead to better outcomes than treatment with diuretic agents, despite similar reductions of blood pressure...
Is non-dipping status a predictor of cardiac morbidity?Trefor O Morgan
J Hypertens 20:1469-71. 2002
Who's really hypertensive?--Quality control issues in the assessment of blood pressure for randomized trialsChristopher M Reid
Department of Epidemiology and Preventive Medicine, Monash University, Melborne Australia
Blood Press 14:133-8. 2005..Repeated blood pressure measurement prior to initial diagnosis and study entry is essential to appropriately characterize hypertension in these elderly patients...
Smaller aortic dimensions do not fully account for the greater pulse pressure in elderly female hypertensivesAnthony M Dart
Baker Heart Research Institute and Alfred Hospital, Melbourne, Victoria, 8008 Australia
Hypertension 51:1129-34. 2008....
