G D Johnston
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Explore the profile of G D Johnston including associated specialties, affiliations and a list of published articles.
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104
Citations
1006
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Recent Articles
1.
MacFlynn G, Johnston G, McDevitt D, Hadden D
Ir J Med Sci
. 2016 Aug;
144(1):478.
PMID: 27519002
A case is described in which a woman, being investigated for Addison's disease, had what appeared initially to be plasma cortisol levels within the normal range. Subsequent investigations including ACTH...
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McAuley D, Nugent A, McGurk C, Maguire S, Hayes J, Johnston G
Clin Sci (Lond)
. 2002 Jan;
99(3):175-9.
PMID: 11787468
Endothelin-1 has potent vasoconstrictor and vasopressor actions contributing to basal vascular tone and maintenance of blood pressure acting predominantly through endothelin-A receptors. Endothelin antagonists may be of value in the...
4.
Maguire S, McAuley D, McGurk C, Nugent A, Johnston G, Nicholls D
Eur J Heart Fail
. 2001 Dec;
3(6):671-7.
PMID: 11738218
Background: Patients with chronic cardiac failure (CCF) have abnormal vascular responses. Bradykinin (BK) is thought to contribute to the vasodilator effects of ACE inhibitors, but the effect of BK itself...
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Hanratty C, McGlinchey P, Johnston G, Passmore A
Drugs Aging
. 2001 Feb;
17(5):353-62.
PMID: 11190416
Digoxin remains one of the most commonly prescribed of all cardiac medications. The main indications for digoxin usage include atrial fibrillation and heart failure; both these conditions are more prevalent...
7.
Hanratty C, McGrath L, McAuley D, Young I, Johnston G
Heart
. 2001 Feb;
85(3):326-30.
PMID: 11179277
Background: Raised homocysteine is a risk factor for vascular disease. Homocysteine is formed from methionine, and dietary manipulation of homocysteine in primates and humans with oral methionine is associated with...
8.
Hanratty C, McAuley D, McGrath L, Young I, Johnston G
Clin Sci (Lond)
. 2000 Dec;
100(1):67-72.
PMID: 11115420
A mild to moderate elevation of the total homocysteine concentration (tHcy) is now recognized as a risk factor for vascular disease. It is also associated with endothelial dysfunction in middle-aged...
9.
Robinson D, Smith A, Johnston G
BMJ
. 2000 Oct;
321(7266):926-7.
PMID: 11030678
No abstract available.
10.
Vasoconstriction to endothelin-1 is blunted in non-insulin-dependent diabetes: a dose-response study
McAuley D, McGurk C, Nugent A, Hanratty C, Hayes J, Johnston G
J Cardiovasc Pharmacol
. 2000 Aug;
36(2):203-8.
PMID: 10942162
The haemodynamic hypothesis for the pathogenesis of diabetic microangiopathy argues that an initial increase in microvascular blood flow leads to microvascular sclerosis and disturbed autoregulation. Endothelin-1 (ET-1) is an endothelium-derived...