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Abstract
Purpose : The aim of this study was to compare between the efficacy of Manual Hyperinflation (MHI) from supine versus lateral decubitus positions in mechanically ventilated patients with Unilateral Lung Diseases(ULD) especially patients suffered from Ventilator Associated Pneumonia (VAP) on Arterial Blood Gases(ABG).Subjects and Methods: forty male patients with unilateral lung diseases(VAP).Their ages ranged from 40 to 50 years with body mass index were ranged from 18.5 to 29.9 .The patients were selected from Kasr El-Aini Hospitals (intensive care unit) and randomly divided into two equal groups: group A( Supine group) composed of 20 patients with unilateral lung disease who received manual hyperinflation from supine lying in addition to chest physiotherapy and GroupB(Side lying group) composed of 20 patients with unilateral lung disease(VAP) who received manual hyperinflation(MHI) from side lying (upper most affected) in addition to chest physiotherapy. Results: The results of this study revealed that group A(Supine group) and GroupB(Side lying group)showed significant improvement in Arterial Blood Gases (PaO2, PaCo2,SaO2 and PaO2/FiO2) but by comparison the two groups we found that group B( Side lying group) showed greater improvement in (PaO2,SaO2 and PaO2/FiO2) than group A(Supine group), but there were not significant improvement in (PaCO2) between the two groups. Conclusion: Manual Hyperinflation (MHI) can improve Arterial Blood Gases in mechanically ventilated patients with unilateral lung diseases in lateral decubitus position more than supine position