A Comparative Study between High Flow Nasal Oxygen Therapy and Venturi Mask Oxygen Therapy for Postoperative Laparoscopic Bariatric Surgery Patients with Atelectasis

A Comparative Study between High Flow Nasal Oxygen Therapy and Venturi Mask Oxygen Therapy for Postoperative Laparoscopic Bariatric Surgery Patients with Atelectasis: A randomized clinical trials

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

PACTR

Registry ID

PACTR202108492295773

Enrollment

110

Registered

2021-08-26

Start date

2019-12-01

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Respiratory Anaesthesia

Interventions

HFNO2 group

VMO2 group

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients aged between 18 – 60 years old. Both genders. Preoperative Physical Status: ASA III Patients. BMI above 40 Kg/m2. Patients undergoing either laparoscopic sleeve gastrectomy or laparoscopic gastric mini-bypass with the presence of atelectasis confirmed clinically, radiologically and by arterial blood gases. Patients should be fully conscious upon ICU admission.

Exclusion criteria

Exclusion criteria: Refusal of the intervention or participation in the study. Patient under age of 18 years old or above 60 years’ old. Pregnancy or lactation. Psychiatric illness. Known cases of chronic pulmonary disease. Known cases of cardiac diseases.

Design outcomes

Primary

Measure	Time frame
1.Partial pressure of oxygen PaO2/ fraction of inspired oxygen FiO2 and arterial Oxygen Saturation at 24 hours of Oxygen Therapy.	—

Secondary

Measure	Time frame
Length of ICU stay.	—

Countries

Egypt

Contacts

Public ContactMohamed Sobhy

Sobhy_m_7@hotmail.com00201008440715

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026