23 research outputs found
Intraoperative Inducibility of Atrial Fibrillation Does Not Predict Early Postoperative Atrial Fibrillation
Background
Early postoperative atrial fibrillation (
EP
o
AF
) is associated with thromboembolic events, prolonged hospitalization, and development of late Po
AF
(
LP
o
AF
). It is, however, unknown if
EP
o
AF
can be predicted by intraoperative
AF
inducibility. The aims of this study are therefore to explore (1) the value of intraoperative inducibility of
AF
for development of both
EP
o
AF
and
LP
o
AF
and (2) the predictive value of de novo
EP
o
AF
for recurrence of
LP
o
AF
.
Methods and Results
Patients (N=496, 75% male) undergoing cardiothoracic surgery for coronary and/or valvular heart disease were included.
AF
induction was attempted by atrial pacing, before extracorporeal circulation. All patients were on continuous rhythm monitoring until discharge to detect
EP
o
AF
. During a follow‐up period of 2 years,
LP
o
AF
was detected by
ECG
s and Holter recordings. Sustained
AF
was inducible in 56% of patients. There was no difference in patients with or without
AF
before surgery (
P
=0.159), or between different types of surgery (
P
=0.687). In patients without a history of
AF
, incidence of
EP
o
AF
and
LP
o
AF
was 37% and 2%, respectively.
EP
o
AF
recurred in 58% patients with preoperative
AF
, 53% developed
LP
o
AF
. There were no correlations between intraoperative inducibility and
EP
o
AF
or
LP
o
AF
(
P
>0.05).
EP
o
AF
was not correlated with
LP
o
AF
in patients without a history of
AF
(
P
=0.116), in contrast to patients with
AF
before surgery (
P
<0.001).
Conclusions
Intraoperative
AF
inducibility does not predict development of either
EP
o
AF
or
LP
o
AF
. In patients with
AF
before surgery,
EP
o
AF
is correlated with
LP
o
AF
recurrences. This correlation is absent in patients without
AF
before surgery.
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