Causes of chronicity Inadequate Tube Drainage.Chronic pulmonary Disease( T.B. orFungal Infection)Immunosupressed patientsPresence of Foreign body within thepleuralspace
Causes of chronicity: • Inadequate Tube Drainage. • Chronic pulmonary Disease( T.B. or Fungal Infection) • Immunosupressed patients. • Presence of Foreign body within the pleural space
UNondependent十ATube insertedB0TubeDrainageTooFarTooSmall十JVIUUUUL2712008DPeel TooThick-BronchopleuralLateDrainage