Table 4 Adverse events encountered during the procedure
Adverse events | # of case | Potential cause(s) |
|---|---|---|
Incomplete expansion of the stent | 3 | Stent was stiff, tumor suppression |
Unsatisfied location of the stent | 4 | The two limbs of Y-shape stent were too short or in same length, difficult to insert or pass through the stenotic location |
Stent migration | 2 | Enlarged airway lumen after ablative surgery, size of the stent was small |
125I seeds loss | 2 | The coating was hard and brittle, and torn out due to repeated expanding and collapsing |
Guide wire broken | 1 | Incorrect operation |
Rupture of coating | 3 | Incorrect operation |
Rupture of bronchi | 2 | Whole stent was placed into only one side of the main bronchus |
Bleeding | 12 | Tumor angiogenesis and its blood supply vessels were not blocked by embolizing pulmonary artery before the procedure |
Pneumothorax | 1 | Rupture of a bronchus lead to mediastinal pneumothorax |