<unk>  is considered safe and effective, but may cause some side effects. The procedure is discontinued if the patient complains of headache, discomfort, dizziness, palpitations, fatigue, or dyspnea. Patients may be dyspnic after the various manuovers, since the head-down position increases the work of breathing, reduces tidal volume, and decreases functional residual capacity (FRC).
Postural drainage
Lumbar–peritoneal shunt
Corticotomy
Ventriculectomy
Pleurodesis
Decortication
Shirley drain
Thoracostomy