[Outpatient Management of Primary Spontaneous Pneumothorax].

Outpatient Management of Primary Spontaneous Pneumothorax Pneumothorax (PT) is defined as a collapse of the lung due to the collection of air in the pleural space. In primary spontaneous pneumothorax (PSP) there is no underlying pulmonary pathology. Treatment, either conservative or invasive, depends on the size of the PT, the patient's clinical situation and the patient's setting/environment. According to the actual literature, the uncomplicated PSP can at best be treated conservatively and on an outpatient basis. Management with intervention (needle aspiration or chest drainage) is historically carried out on an inpatient basis, but outpatient management (without comorbidities and without symptoms) is also possible. In these cases, the patient compliance (motivation, cognition, support, housing situation …) has to be proven. For outpatient management with intervention, a small-caliber chest tube (<14 F) with a Heimlich valve should be used.