Study: NCT06115395

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: non- invasive ventilator
Description: Group 1 (hypoexemic patient who will undergo bronchoscopy under non- invasive ventilation{NIV} and conventional o2 therapy) will be on NIV half an hour prior and throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: non- invasive ventilator
Description: Group 1 (hypoexemic patient who will undergo bronchoscopy under non- invasive ventilation{NIV} and conventional o2 therapy) will be on NIV half an hour prior and throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: fiber-optic bronchoscopy
Description: Group 2 (hypoxemic patients who will undergo conventional bronchoscopy under conventional o2 therapy without NIV ) will be on conventional oxygen therapy half an hour prior and throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: fiber-optic bronchoscopy
Description: Group 2 (hypoxemic patients who will undergo conventional bronchoscopy under conventional o2 therapy without NIV ) will be on conventional oxygen therapy half an hour prior and throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: fiber-optic bronchoscopy
Description: Group 2 (hypoxemic patients who will undergo conventional bronchoscopy under conventional o2 therapy without NIV ) will be on conventional oxygen therapy half an hour prior and throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: fiber-optic bronchoscopy
Description: Group 2 (hypoxemic patients who will undergo conventional bronchoscopy under conventional o2 therapy without NIV ) will be on conventional oxygen therapy half an hour prior and throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: non- invasive ventilator
Description: Group 3 (non- hypoxemic patients who will undergo bronchoscopy under non- invasive ventilation{NIV} and conventional o2 therapy) will be on NIV throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: non- invasive ventilator
Description: Group 3 (non- hypoxemic patients who will undergo bronchoscopy under non- invasive ventilation{NIV} and conventional o2 therapy) will be on NIV throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: fiber-optic bronchoscopy
Description: Group 4 (non- hypoxemic patients who will undergo conventional bronchoscopy without non- invasive ventilation{NIV) will be on conventional oxygen therapy throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: fiber-optic bronchoscopy
Description: Group 4 (non- hypoxemic patients who will undergo conventional bronchoscopy without non- invasive ventilation{NIV) will be on conventional oxygen therapy throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: fiber-optic bronchoscopy
Description: Group 4 (non- hypoxemic patients who will undergo conventional bronchoscopy without non- invasive ventilation{NIV) will be on conventional oxygen therapy throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria

Intervention type: DEVICE
Group type: ACTIVE_COMPARATOR
Intervention: fiber-optic bronchoscopy
Description: Group 4 (non- hypoxemic patients who will undergo conventional bronchoscopy without non- invasive ventilation{NIV) will be on conventional oxygen therapy throughout the bronchoscopic sampling and after the procedure until reach the baseline criteria