[The efficacy of balloon dilatation in clinical improving period for patients who suffered from actively caseating endobronchial tuberculosis and central airway stenosis].

Performing balloon dilatation for patients who suffered from actively caseating EBTB and central airway stenosis in the clinical improvement period, when caseous necrosis tissue disappeared and ulcers were recovered, not only helps to perform interventional procedures on distal bronchus in time, increase the rate of lung re-expansion, can also reduce the rate of re-stenosis after 6 months, so it is effective and safe.