Toivonen L - Search Results

1

Effects of epinephrine on right ventricular monophasic action potentials in the LQT1 versus LQT2 form of long QT syndrome: preferential enhancement of "triangulation" in LQT1.

Viitasalo M, Paavonen KJ, Swan H, Kontula K, Toivonen L. Viitasalo M, et al. Among authors: toivonen l. Pacing Clin Electrophysiol. 2005 Mar;28(3):219-27. doi: 10.1111/j.1540-8159.2005.09404.x. Pacing Clin Electrophysiol. 2005. PMID: 15733182

2

Ratio of late to early T-wave peak amplitude in 24-h electrocardiographic recordings as indicator of symptom history in patients with long-QT Syndrome types 1 and 2.

Viitasalo M, Oikarinen L, Swan H, Glatter KA, Väänänen H, Fodstad H, Chiamvimonvat N, Kontula K, Toivonen L, Scheinman MM. Viitasalo M, et al. Among authors: toivonen l. J Am Coll Cardiol. 2006 Jan 3;47(1):112-20. doi: 10.1016/j.jacc.2005.07.068. Epub 2005 Dec 9. J Am Coll Cardiol. 2006. PMID: 16386673 Free article.

3

Effect of physical training on ventricular repolarization in type 1 long QT syndrome: a pilot study in asymptomatic carriers of the G589D KCNQ1 mutation.

Perhonen MA, Haapalahti P, Kivistö S, Hekkala AM, Väänänen H, Swan H, Toivonen L. Perhonen MA, et al. Among authors: toivonen l. Europace. 2006 Oct;8(10):894-8. doi: 10.1093/europace/eul083. Epub 2006 Aug 1. Europace. 2006. PMID: 16882680

4

Effects of beta-blocker therapy on ventricular repolarization documented by 24-h electrocardiography in patients with type 1 long-QT syndrome.

Viitasalo M, Oikarinen L, Swan H, Väänänen H, Järvenpää J, Hietanen H, Karjalainen J, Toivonen L. Viitasalo M, et al. Among authors: toivonen l. J Am Coll Cardiol. 2006 Aug 15;48(4):747-53. doi: 10.1016/j.jacc.2006.04.084. Epub 2006 Jul 25. J Am Coll Cardiol. 2006. PMID: 16904544 Free article.

5

Beta1-adrenergic receptor polymorphisms, QTc interval and occurrence of symptoms in type 1 of long QT syndrome.

Paavonen KJ, Swan H, Piippo K, Laitinen P, Fodstad H, Sarna S, Toivonen L, Kontula K, Viitasalo M. Paavonen KJ, et al. Among authors: toivonen l. Int J Cardiol. 2007 May 31;118(2):197-202. doi: 10.1016/j.ijcard.2006.06.050. Epub 2006 Oct 4. Int J Cardiol. 2007. PMID: 17023080

6

Ventricular repolarization and heart rate responses during cardiovascular autonomic function testing in LQT1 subtype of long QT syndrome.

Haapalahti P, Viitasalo M, Perhonen M, Mäkijärvi M, Väänänen H, Oikarinen L, Hekkala AM, Salorinne Y, Swan H, Toivonen L. Haapalahti P, et al. Among authors: toivonen l. Pacing Clin Electrophysiol. 2006 Oct;29(10):1122-9. doi: 10.1111/j.1540-8159.2006.00506.x. Pacing Clin Electrophysiol. 2006. PMID: 17038145

7

Mutant ryanodine receptors in catecholaminergic polymorphic ventricular tachycardia generate delayed afterdepolarizations due to increased propensity to Ca2+ waves.

Paavola J, Viitasalo M, Laitinen-Forsblom PJ, Pasternack M, Swan H, Tikkanen I, Toivonen L, Kontula K, Laine M. Paavola J, et al. Among authors: toivonen l. Eur Heart J. 2007 May;28(9):1135-42. doi: 10.1093/eurheartj/ehl543. Epub 2007 Mar 8. Eur Heart J. 2007. PMID: 17347175

8

The effect of antihistamine cetirizine on ventricular repolarization in congenital long QT syndrome.

Hekkala AM, Swan H, Väänänen H, Viitasalo M, Toivonen L. Hekkala AM, et al. Among authors: toivonen l. J Cardiovasc Electrophysiol. 2007 Jul;18(7):691-5. doi: 10.1111/j.1540-8167.2007.00844.x. Epub 2007 May 15. J Cardiovasc Electrophysiol. 2007. PMID: 17506855 Clinical Trial.

9

Electrocardiographic interventricular dispersion of repolarization during autonomic adaptation in LQT1 subtype of long QT syndrome.

Haapalahti P, Viitasalo M, Perhonen M, Mäkijärvi M, Väänänen H, Oikarinen L, Salorinne Y, Swan H, Toivonen L. Haapalahti P, et al. Among authors: toivonen l. Scand Cardiovasc J. 2008 Apr;42(2):130-6. doi: 10.1080/14017430701805419. Scand Cardiovasc J. 2008. PMID: 18365896

10

Abnormal repolarization dynamics revealed in exercise test in long QT syndrome mutation carriers with normal resting QT interval.

Hekkala AM, Viitasalo M, Väänänen H, Swan H, Toivonen L. Hekkala AM, et al. Among authors: toivonen l. Europace. 2010 Sep;12(9):1296-301. doi: 10.1093/europace/euq184. Epub 2010 Jun 20. Europace. 2010. PMID: 20566482

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