Arrhythmias & electrophysiology
Early mortality after inpatient versus outpatient catheter ablation in patients with atrial fibrillation
Main finding · 30-day mortalityResult — go to the resultAdjusted odds ratio 3.81 95% CI 2.87–5.08Authors' conclusion
AF ablation conducted in the inpatient setting is associated with a higher rate of early mortality compared with outpatient AF ablation.
Study context
- Population
- Medicare Fee for Service patients undergoing catheter ablation (CA) for atrial fibrillation (AF), 2016–201982% outpatient
- Participants
- 122,289 participants
- Exposure
- Inpatient vs outpatient AF catheter ablation
- Outcome
- Early mortality
- Follow-up
- 30 days
Methodological detailsinverse probability of treatment weighting
- Inverse probability of treatment weighting
Main finding
30-day mortality
Adjusted odds ratio
3.81
95% CI 2.87–5.08
P < 0.001
By group
Inpatientvs Outpatient
aOR 3.81 (95% CI 2.87–5.08); P < 0.001
As reported in the abstract
- Overall 30-day mortality
- 0.6%
- Inpatients' share of deaths
- 71.5%
Observational data: associations, not effects.
Further findings
| Outcome | aOR (95% CI) | P value | |
|---|---|---|---|
| Early mortality by hospital ablation volume (highest vs lowest tertile)31% lower odds | 0.69 (0.56–0.86) | P < 0.001 | |
| 0.512Adjusted odds ratio (log scale) |
Comorbidities and postprocedural complications in patients with early mortality
- Significantly higher prevalence of comorbidities and rates of postprocedural complications in patients with early mortality
Original publication
Early mortality after inpatient versus outpatient catheter ablation in patients with atrial fibrillation. Heart Rhythm. Published 20 February 2023. doi:10.
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