The objective of this study was to clarify whether early intervention by arterial embolization reduced mortality in mechanically ventilated patients with hemoptysis.

The results show that early intervention by arterial embolization may be effective in reducing 7-day and 30-day mortalities in patients with life-threatening hemoptysis requiring mechanical ventilation.

A total of 12,287 patients with hemoptysis requiring mechanical ventilation were analyzed.

After 1:4 propensity score matching, there were 226 and 904 patients in the early embolization and control groups, respectively.

The early embolization group was associated with lower 7-day and 30-day mortalities and shorter duration of mechanical ventilation compared with the control group.

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