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Abstracts
1. FT Thandroyen, CA Muller, LH Opie: Effects of calcium antagonism on myocardial function during beta-stimulation in isolated working rat heart. SA Pharmacological Society, Cape Town, South Africa. 1979.
2. LH Opie, FT Thandroyen, CA Muller, OL Bricknell: Mechanisms of beta-adrenergic mediated damage to myocardium. Colloquium of Advances in Cardiology, Johannesburg, South Africa.
3. FT Thandroyen, LM Higginson, LH Opie: Calcium, cyclic AMP and ventricular fibrillation by calcium antagonists. xxvii International Congress of Physiological Sciences. West Germany. 1980.
4. FT Thandroyen, LM Higginson, CW Hamm, LH Opie: Protection against ventricular fibrillation by calcium antagonists. Am J Cardiol 47:438, 1981.
5. CW Hamm, FT Thandroyen, LH Opie: Protection of the ischemic myocardium by diltiazem. Am J Cardiol 47:438, 1981.
6. LH Opie, CA Muller, FT Thandroyen, CW Hamm: Effects of calcium channel blockers on ventricular arrhythmia and myocardial ischemia. viii International Congress of Pharmacology, Tokyo, 1981.
7. FT Thandroyen, MW Worthington, LH Opie: Effect of alpha and beta adrenoceptor antagonism on reperfusion ventricular arrhythmia. iv European Heart Research Congress, Bologna. J Molec Cell Cardiol 132:(Suppl 1) 91, 1981.
8. FT Thandroyen, LH Opie: The comparative effect of alpha and beta adrenoceptor stimulation on myocardial LDH release and metabolic status. iv European Heart Research Congress. J Molec Cell Cardiol 132:(Suppl 1) 90, 1981.
9. R Barsachi, FT Thandroyen, LH Opie: Adenosine modulation of adrenaline induced myocardial cellular damage. iv European Heart Research Congress. J Molec Cell Cardiol 132:(Suppl 1) 6, 1981.
10. FT Thandroyen, LM Higginson, LH Opie: Vulnerability of the hypertensive rat heart to ventricular fibrillation in the non-ligated and coronary artery ligated rat heart model. S Afr Hypertension Conference, Johannesburg, 1981.
11. CA Muller, FT Thandroyen, LH Opie: Effect of calcium channel blockers on catecholamine induced ventricular fibrillation. S Afr J Med Sc 78:74, 1982.
12. FT Thandroyen, MW Worthington, LH Opie: Combined alpha-beta antagonism protects against reperfusion ventricular fibrillation. Am J Cardiol 1982.
13. FT Thandroyen, MW Worthington, LH Opie: Alpha adrenergic mediated influences on reperfusion ventricular fibrillation and reperfusion metabolic status. Proceedings of xiii South African Cardiac Congress. Cape Town. Hallmark Press 101, 1982.
14. FT Thandroyen, LM Higginson, LH Opie: Effect of alpha 1, alpha 2, beta antagonist agents and calcium channel antagonist agent on ventricular fibrillation threshold during acute myocardial ischemia. Proceedings of xiii South African Cardiac Congress. Cape Town. Hallmark Press 1O1, 1982.
15. FT Thandroyen, S Saman, LM Higginson, LH Opie: Role of calcium ions in catecholamine induced ventricular fibrillation. Proceedings of xiii South African Cardiac Congress. Cape Town. Hallmark Press 101, 1982.
16. JD Jee, FT Thandroyen, LH Opie: Acute blood pressure reduction by nifedipine in three groups of severe hypertensives. Proceedings of xiii South African Cardiac Congress. Cape Town. Hallmark Press 101, 1982.
17. TD Noakes, T de Boer, D Nathan, FT Thandroyen, E Irving: Experience with an exercise program for cardiac rehabilitation in Cape Town. Proceedings of xiii South African Cardiac Congress. Cape Town. Hallmark Press 101, 1982.
18. FT Thandroyen, LH Opie: Protective effect of a new calcium channel antagonist agent, tiapamil (RO 11-1781) against ventricular fibrillation during acute myocardial ischemia and reperfusion. Circulation 66:Supp 11:11, 1982.
19. LH Opie, LM Higginson, FT Thandroyen, MW Worthington: Alpha not beta blockade prevents fall in ventricular fibrillation threshold induced by epinephrine in coronary ligated heart. Circulation 66:Supp 11:11-332, 1982.
20. LH Opie, FT Thandroyen, S Saman, E Yon: Ketanserin, a serotonin antagonist prevents ischemic and reperfusion ventricular arrhythmias. Circulation 66:Supp 11:11-390, 1982.
21. FT Thandroyen, LM Higginson, LH Opie: Effect of slow channel and fast channel blocking agents on ventricular arrhythmogenesis during acute myocardial ischemia. South Afr Pharmac Congress S Afr Med Sc 8O:532, 1984.
22. AM Wheatley, FT Thandroyen, LH Opie: Catecholamine induced myocardial call damage: possible involvement of adrenochrome. South Afr Pharmac Congress S Afr J Med Sc 80:532, 1984.
23. CA Muller, CW Hamm, FT Thandroyen, LH Opie: Effect of verapamil and tiapamil on the incidence of ventricular arrhythmias associated with acute myocardial ischemia in pigs. South Afr Pharmac Congress S Afr J Med Sc 80:532, 1984.
24. FT Thandroyen, LH Opie: Reduction of cytosolic calcium prevents reperfusion ventricular fibrillation. J Am Coll Cardiol 586, 1984.
25. FT Thandroyen, J McCarthy, LH Opie: Extracellular calcium, sarcoplasmic reticulum calcium and reperfusion ventricular fibrillation. v European Heart Research Congess. J Mol Cell Cardiol 167:Suppl 2, 23, 1984.
26. FT Thandroyen, LH Opie: Effect of slow and fast channel blocking agents on ventricular fibrillation threshold in isolated perfumed rats hearts with regional ischemia. v European Heart Research Congress. J Mol Cell Cardiol 167:Suppl 2, 46, 1984.
27. CA Muller, FT Thandroyen, CW Hamm, LH Opie, CA Pineda, M Peisach: Role of transsarcolemmal sodium inward current in the genesis of ischemic ventricular fibrillation in pig and rat. Circulation 70:Suppl ii:ii-126, 1984.
28. FT Thandroyen, J McCarthy, LH Opie: Extracellular calcium, sarcoplasmic reticulum calcium and reperfusion ventricular fibrillation. Circulation 70:Suppl ii:ii-87, 1984.
29. WT Clusin, LH Opie, FT Thandroyen, PA Owen: Drastic reduction of cardiac work fails to mimic the antifibrillatory effect of low calcium. Circulation 70:Suppl ii:ii-87, 1984.
30. NS Flint, MW Worthington, LH Opie, FT Thandroyen: Arrhythmogenic action of alpha 1 adrenergic stimulation in normoxic ventricular myocardium. South Afr Pharmacol Soc 1985.
31. CA Muller, LH Opie, FT Thandroyen, CA Pineda, M. Peisach: Only low dose propranolol prevents ventricular fibrillation during developing myocardial infarction in the porcine model. J Molec Cell Cardiol 17:Suppl 3, 1985.
32. CA Muller, CW Hamm, FT Thandroyen, LH Opie: Tiapamil and verapamil prevent ventricular arrhythmias but only tiapamil maintains ventricular function during myocardium ischemia in the porcine model. J Molec Cell Cardiol 17:Suppl 3, 19, 1985.
33. FT Thandroyen, NS Flint, MW Worthington, LH Opie: Arrhythmogenic action of alpha 1 adrenergic stimulation in rat heart. Circulation 72:Suppl iii, 1330, 1985.
34. FT Thandroyen, J McCarthy, LH Opie: Sarcoplasmic reticulum calcium release and ischemic arrhythmias in rat heart. J Am Coll Cardiol 7:Suppl 2, 165a, 1985.
35. W Coetzee, LH Opie, FT Thandroyen: Multiple sites for modulation of calcium ion movements in the regulation of cardiac arrhythmia. J Molec Coll Cardiol 17:Suppl i-92, 1986.
36. LH Opie, FT Thandroyen: Calcium antagonists and ischemic ventricular arrhythmias. J Molec Cell Cardiol 18:Suppl i-93, 1986.
37. FT Thandroyen, J McCarthy, LH Opie: Reoxygenation induced ventricular fibrillation: Possible role of reenergization induced SR calcium oscillations. Circulation 745:Suppl ii-171, 1986.
38. FT Thandroyen, KH Muntz, T Rosenbaum, JT Willerson, LM Buja: Influence of hypoxia on beta receptor density and adenylate cyclase activity in cultured neonatal myocytes. Circulation 745:Suppl ii-324, 1986.
39. CA Muller, LH Opie, J McCarthy, MW Worthington, FT Thandroyen: Antiarrhythmic effects of indoramin, an alpha 1 antagonist during acute regional ischemia and reperfusion of isolated perfused rat hearts. J Am Coll Cardiol 9:2, 157a, 1987.
40. CA Muller, LH Opie, CA Pineda, M Peisach, FT Thandroyen: Mechanisms whereby propranolol in low dose but not high dose prevents ventricular fibrillation during acute myocardial ischemia in pigs. Clin Res 35:3, 307, 1987.
41. FT Thandroyen, KH Muntz, B Ziman, JT Willerson, LM Buja: Temporal changes in beta adrenergic receptor-adenylic cyclase activity during acute myocardial ischemia and reperfusion in canine myocardium. Clin Res 35:3, 307, 1987.
42. FT Thandroyen, AC Morris, B Ziman, HK Hagler, JT Willerson, LM Buja: Relationship of calcium loading and arrhythmic activity during metabolic inhibition in neonatal rat -ventricular myocytes. Clin Res 36:546, 1988.
43. FT Thandroyen, KH Muntz, B Ziman, LM Buja, JT Willerson: Beta adrenergic mechanisms in ischemic ventricular fibrillation. Circulation 78:ii-461, 1988.
44. FT Thandroyen, AC Morris, B Ziman, HK Hagler, JT Willerson, LM Buja: Transsarcolemmal calcium loading leads to systolic and predominantly diastolic intracellular calcium accumulation and arrhythmia in rat rnyocytes. Circulation 78:ii-342, 1988.
45. FT Thandroyen, HK Hagler, D Bellotto, B Ziman, JT Willerson, LM Buja: Ionic subcellular alterations during hypoxia and reoxygenation in isolated neonatal rat ventricular myocytes. Clin Res 1989.
46. FT Thandroyen, AC Morris, B Ziman, HK Hagler, JT Willerson, LM Buja: Intracellular calcium as a mediator of arrhythmia in isolated heart cells. Clin Res 38:2-449a, 1990.
47. H Hsia, AL Taylor, KP Burton, FT Thandroyen: Enhanced vulnerability to calcium mediated arrhythmia in hypertrophied myocardium. Clin Res 38:2-449a, 1990.
48. FT Thandroyen, AC Morris, B Ziman, HK Hagler, JT Willerson, LM Buja: Intracellular calcium oscillations and arrhythmia in ventricular myocytes. J Molec Cell Cardiol (1990).
49. FT Thandroyen, LH Opie, H Hsia, JT Willerson, LM Buja: Cyclic AMP-Calcium-Metabolic pathway in epinephrine enhanced vulnerability to ventricular fibrillation in rat heart. Circulation 82:iii-266 (suppl iii), 1990.
50. H Hsia, AL Taylor, KP Burton: Role of calcium and potassium in ventricular arrhythmias in hypertrophied myocardium. Circulation 82:iii-664 (Suppl iii), 1990.
51. FT Thandroyen, L Pai, H Hsia, LM Buja: Verapamil insensitive, amiloride sensitive cytosolic calcium loading and automaticity in metabolically inhibited adult rat ventricular myocytes. J Molec Cell Cardiol (1992).
52. FT Thandroyen, S Chakravarthy, LM Buja: Forskolin stimulated adenylyl cyclase activity in S49 wild type and S49 cyc" membranes in the presence of magnesium or manganese. Fed Proc 7:4, 4808 (1993).
53. LM Buja, FT Thandroyen, S Chakravarthy, HK Hagler, D Bellotto: Do alterations in adenylyl cylase mediate the increase in intracellular calcium in hypoxic cardiac myocytes. Fed Proc 7:4; 1118 (1993).
54. FT Thandroyen: Ventricular arrhythmias in isolated rat ventricular myocytes. Houston Biomedical Engineering Society (1993).
55. FT Thandroyen, C Fife, G Schroth: Right to left atrial shunting and right heart pressures in asymptomatic, experienced divers. Undersea and Hyperbaric Medicine 30, 79 (1993).
56. C Fife, FT Thandroyen, G Schroth, RD Dunsford, B Laasko, T Sutton: Echocardiographic and audible doppler surveillance of venous gas emboli in compressed air divers. Undersea and Hyperbaric Medicine 30, 81 (1993).
57. FT Thandroyen, S Chakravarthy, LM Buja: Hypoxia increases and then decreases functional activity of Gs and total adenylyl cyclase in isolated rat ventricular myocytes. Circulation (1993).
58. S Austin, FT Thandroyen, FT Thandroyen, JT Hecht, FJ Vriesendorp, OT Jones, DR Johns: Expanding the phenotypic manifestations of the 8344 tRNAlysine mitochondrial DNA mutation to include hypertension, limb girdle myopathy and multiple symmetric lipomas. American Association of Neurology (1994).
59. RF Lodato, E Barasch, FT Thandroyen, G Schroth: Prevalence of patent foramen ovale (PFO) in the adult respiratory distress syndrome (ARDS). American Journal of Respiratory and Critical Care Medicine (1998).