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Atrial fibrillation tied to mortality, bleeding, stroke after TAVI

03 Oct 2017
In intermediate risk patients, the TAVR is found to have better outcomes

Atrial fibrillation (AF) appears to be linked to poor outcomes following transcatheter aortic valve implantation (TAVI), such as mortality and stroke, according to a new meta-analysis.

Eleven studies (n=11,757) were eligible for inclusion in the meta-analysis, of which seven compared new-onset atrial fibrillation (NOAF) with sinus rhythm populations in terms of mortality. Pairwise meta-analysis showed higher short-term mortality in NOAF (odds ratio [OR], 2.98; p=0.002) and pre-AF (OR, 2.7; p=0.004) than in sinus rhythm patients.

Long-term mortality was also significantly higher in NOAF (OR, 2.3; p<0.0001) and pre-AF (OR, 2.8; p<0.0001) patients.

Similarly, NOAF patients experienced significantly more frequent stroke cases in both short- (OR, 2.1; p<0.0001) and long-term (OR, 1.9; p<0.0001) follow-ups compared with sinus rhythm groups. Strokes were more common in pre-AF patients only in long-term follow-ups (OR, 1.3; p=0.03).

Compared with sinus rhythm groups, bleeding was similarly significantly more common in NOAF patients in short-term follow-up (OR, 1.5; p=0.002) but only marginally significant in long-term follow-ups (OR, 1.27; p=0.07). No significant differences in bleeding was found between sinus rhythm and pre-AF patients.

Similar findings were obtained in the network meta-analysis. Both NOAF and pre-AF were associated with higher mortality at short-term (OR, 2.7; p=0.002 and OR, 2.5; p=0.002, respectively) and long-term (OR, 2.5; p<0.0001 and OR, 2.7; p<0.0001, respectively) follow-ups compared with sinus rhythm.

NOAF significantly increased the rate of stroke both at short- (OR, 2.01; p<0.001) and long-term (OR, 1.59; p=0.01) follow-ups, while the risk of major bleeding was significantly higher only in the short-term follow-ups (OR, 1.54; p=0.003).

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Most Read Articles
2 days ago
Dairy consumption during adolescence or early adulthood does not appear to be associated with the overall risk of breast cancer, although results vary by hormone receptor status of tumours, a study has shown. Specifically, dairy intake is linked to higher ER–/PR– and lower ER+/PR+ cancer risk.
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3 days ago
Patients with inflammatory bowel disease are at increased risk of developing acute myocardial infarction (AMI) or heart failure, although the prevalence of traditional risk factors for such cardiovascular disorders appears to be low, as reported in a recent study.
4 days ago
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