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Three Part Question

In [patients with a bronchopleural fistula] is a [minimal access or bronchoscopic approach superior to conventional re-thoracotomy] for BPF closure in terms of [survival].

Clinical Scenario

You perform a right pneumonectomy for a T2 N1 M0 non-small-cell lung cancer, in a 77-year old diabetic with a history of ischaemic heart disease.
On the sixth postoperative day he deteriorates, with a copious productive cough, worsening gas exchange, pyrexia and rising inflammatory markers. Chest X-ray shows a fall in fluid level, and fibreoptic bronchoscopy confirms a bronchopleural fistula(BPF), with dehiscence of one third of your staple line. The intercostal drain you site recovers 700ml of purulent fluid. You feel that he would not survive a repeat thoracotomy and wonder if a bronchoscopic approach might work?