Key result
Clinically important hemoptysis requiring readmission occurred in 0.56% (2 of 359) of patients after cryoballoon ablation, potentially associated with very low freezing temperatures.
Observational (n=359)
Hemoptysis is a rare complication of cryoballoon ablation that may be associated with very low freezing temperatures, distal guidewire placement, and stringent anticoagulation.
May warrant vigilance for hemoptysis with low freezing temperatures during cryoballoon ablation; leaves open causal confirmation in prospective studies.
In a series of 359 cryoballoon ablations with a complete registry of complications, clinically important hemoptysis requiring readmission was observed in 2 patients. One patient had preexisting bronchiectasis; the other had no previous history of pulmonary disease. In the first patient the guiding wire was very distal in one of the veins and exceptional low freezing temperatures were recorded in the left inferior pulmonary vein. Similarly, in the second patient exceptional low freezing temperatures were recorded in all 4 veins. Four additional patients mentioned hemoptysis at the 3-month follow-up visit, which resolved after temporary cessation of anticoagulation. Hemoptysis can occur after cryoballoon ablation for several reasons, especially when a stringent anticoagulation regimen is adhered to, and when occlusion is associated with very low freezing temperatures.
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Bhagwandien et al. (2011) conducted an observational in Patients undergoing cryoballoon ablation (n=359). Cryoballoon ablation was evaluated on Clinically important hemoptysis requiring readmission. Clinically important hemoptysis requiring readmission occurred in 0.56% (2 of 359) of patients after cryoballoon ablation, potentially associated with very low freezing temperatures.
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