Tab. IV.

Complications after lung tumor biopsy and predisposing factors

Complication type	%	Source
Pneumothorax
Frequency of occurrence	17-26.6	[28-30]
Percentage of patients requiring drainage	1-14.2	[28-30]
Factors predisposing to pneumothorax   COPD   No previous surgery on the side of the performed biopsy   Lesions located deep within the lung   Increased number of pleural taps		[28-30]
Hemorrhage
Intraparenchymal hemorrhage	4-27	[29, 30]
Hematoma in the pleural cavity	0.092	[29, 30]
Factors predisposing to bleeding:   Small tumor size   Deep lesion location   Pulmonary emphysema   Pulmonary hypertension		[29, 30]
Air embolism
A very rare complication	0.061	[30]
May cause life-threatening cardiac dysrhythmia and cardiac or cerebral ischemia		[31]