Blood pressure prior to cardioversion predicts a conversion to sinus rhythm in patients with atrial fibrillation.
BACKGROUND
The effect of BP measured prior to the cardioversion has not been studied.


METHODS
Eighty patients (mean age 62 +/- 11 yrs, 44 men) with atrial fibrillation (AF), who underwent 92 cardioversions, were included. Non-invasive BP was measured. We performed a retrospective review of clinical data. The variables included into logistic regression analysis were: BP, age, gender, arterial hypertension, coronary artery disease, heart failure, obesity, left atrial diameter, duration of AF, antiarrhythmic and antihypertensive therapy.


RESULTS
A success rate of cardioversion was 60.9%. BP was lower in the group of patients with a successful cardioversion (mean BP 97 +/- 15 vs 104 +/- 10 mmHg, p = 0.02; systolic BP 130 +/- 21 vs 140 +/- 18 mmHg, p=0.02; diastolic BP 81 +/- 14 vs 86 +/- 8 mmHg, p = 0.07). Mean, systolic and diastolic BP cut-off levels with the highest sum of sensitivity and specificity were 103, 138 and 75 mmHg, respectively.


CONCLUSIONS
Subjects with a successful cardioversion had lower BP measured immediately prior to the procedure. BP and concurrent antiarrhythmic treatment were the only predictors of a successful cardioversion (Tab. 1, Ref. 29). Full Text (Free, PDF) www.bmj.sk.
Kaluzay
J
J
4th Department of Internal Medicine, Faculty of Medicine and University Hospital, Comenius University, Bratislava, Slovakia. kaluzay@yahoo.com
Ferencik
M
M
Mardiakova
K
K
Remisova
S
S
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D001281:Atrial Fibrillation / Q000503:physiopathology / Q000628:therapy*; D001794:Blood Pressure; D004554:Electric Countershock; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged