Effect of hypnotic sedation during percutaneous transluminal coronary angioplasty on myocardial ischemia and cardiac sympathetic drive.
Forty-six patients were randomized to receive drug (group 1) or hypnotic sedation (group 2) during percutaneous transluminal coronary angioplasty of the left anterior descending coronary artery. Intracoronary and standard electrocardiograms were continuously registered, and heart rate spectral variability was studied. Normalized units of low- and high-frequency components and the ratio of low to high frequency were measured during balloon inflations. The ST segment shifted at the first balloon inflation from 0.02 +/- 0.01 to 0.09 +/- 0.6 mm in group 1 and from 0.02 +/- 0.08 to 0.1 +/- 0.6 in group 2 mm (p <0.05). In group 1, the low-frequency band and the ratio of low to high frequency increased significantly during the first balloon inflation (from 59 +/- 10 to 75 +/- 10 normalized units and from 2.4 +/- 1.4 to 7.3 +/- 4.7, respectively; p <0.001). The increase of the ratio of low to high frequency was significantly related to ST shift (r = 0.706; p <0.01). In contrast, no significant variation of spectral parameters was found in group 2. The increase in cardiac sympathetic activity associated with balloon inflation and myocardial ischemia during percutaneous transluminal coronary angioplasty of the left anterior descending coronary artery was selectively eliminated by hypnosis but not by drug sedation.
Baglini
Roberto
R
Department of Invasive Cardiology, Poliambulanza Hospital, Brescia, Italy. robagl@katamail.com
Sesana
Marco
M
Capuano
Cinzia
C
Gnecchi-Ruscone
Tomaso
T
Ugo
Limbruno
L
Danzi
Gian Battista
GB
D015906:Angioplasty, Balloon, Coronary; D016292:Procedural Sedation / Q000379:methods*; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000294:innervation*; D006339:Heart Rate; D006801:Humans; D006990:Hypnosis; D008297:Male; D008875:Middle Aged; D017202:Myocardial Ischemia / Q000628:therapy*; D013564:Sympathetic Nervous System / Q000502:physiology*