Postoperative Noninvasive Ventilation After Upper Abdominal Surgery in Chronic Obstructive Lung Disease

In Qena university hospital a prospective, randomized study was carried out on 100 COPD patients, all were divided into; conventional therapy without NIV (C group) 50 patients or with prophylactic NIV(N group) 50 patients.NIV applied for approximately 30 to 45 min at 2- to 4-h intervals for 48 h following surgery . Primary endpoint was the acute respiratory events (ARE) .Secondary endpoints were acute respiratory failure (ARF), intubation rate, mortality rate, infectious and non-infectious complications, and ICU stay.