ABSTRACT

BACKGROUND: Atrial fibrillation (AF) is the most common arrythmia in patients with cancer, especially breast, gastrointestinal, respiratory, urinary tract, and hematological malignancies. Catheter ablation (CA) is a well-established, safe treatment option in healthy patients; however, literature regarding safety of CA for AF in patients with cancer is limited and confined to single centers.

OBJECTIVE: We aimed to assess the outcomes and peri-procedural safety of CA for AF in patients with certain types of cancer.

METHODS: The NIS database was queried between 2016 and 2019 to identify primary hospitalizations with AF and CA. Hospitalizations with secondary diagnosis of atrial flutter and other arrhythmias were excluded. Propensity score matching was used to balance the covariates between cancer and non-cancer groups. Logistic regression was used to analyze the association.

RESULTS: During this period 47,765 CA procedures were identified, out of which 750 (1.6%) hospitalizations had a diagnosis of cancer. After propensity matching, hospitalizations with cancer diagnosis had higher in-hospital mortality (OR 3.0, 95% CI 1.5-6.2, p=0.001), lower home discharge rates (OR 0.7, 95% CI 0.6-0.9, p<0.001)<0.001)

CONCLUSION: Patients with cancer who underwent CA for AF had significantly higher odds of in-hospital mortality, major bleeding, and pulmonary embolism. Further larger prospective observational studies are needed to validate these findings.

PMID:37224412 | DOI:10.1080/00325481.2023.2218188

05:15

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