External Nasal Dilator and Oxygen Therapy in Respiratory Failure (HFNC)

Use of External Nasal Dilator as an Adjuvant to High-Flow Nasal Cannula Oxygen Therapy in Children With Acute Respiratory Failure: A Prospective Randomized Controlled Trial

Acute respiratory failure secondary to bronchiolitis and asthma is one of the most common diagnoses in children admitted to pediatric intensive care unit. Objectives: The primary outcome of the study is to compare the respiratory parameters between patients on HFNC and HFNC with ENDs. Methods: This is a prospective randomized controlled trial. All children admitted to Loma Linda University Children's Hospital due to acute respiratory failure secondary to bronchiolitis and asthma are eligible for inclusion in the study. Multiple respiratory parameters will be collected as part of the study. The investigators anticipate that use of END will have a positive impact on the respiratory status of children with acute respiratory failure. Appropriate statistical analysis of the data will occur after the data has been de-identified.

Acute respiratory failure secondary to bronchiolitis is one of the most common diagnoses in children admitted to pediatric intensive care unit. Objectives: The primary outcome of the study is to compare the respiratory parameters between patients on high flow nasal cannula (HFNC) and HFNC with an external nasal dilator (END). Methods: This is a prospective randomized controlled trial. All children admitted to Loma Linda University Children's Hospital between July 2015 and May 2017 for approximately 22 months due to acute respiratory failure secondary to bronchiolitis are eligible for inclusion in the study. Two arms will be studied, one with HFNC and the other with HFNC and ENDS. Modified Bronchiolitis Severity Score will be used to assess respiratory parameters as part of the study. The investigators anticipate that use of END will have a positive impact on the respiratory status of children with acute respiratory failure. Appropriate statistical analysis of the data will occur after the data has been de-identified.

Change of Respiratory Status Using the Modified Bronchiolitis Severity Score, in Children Using External Nasal Dilators as an Adjuvant to High Flow Nasal Cannula Oxygen Therapy Compared to Those Receiving High Flow Nasal Cannula Therapy Alone

Change of respiratory status using the Modified Bronchiolitis Severity Score in children using External Nasal Dilators as an adjuvant to High Flow Nasal Cannula oxygen therapy compared to those receiving High Flow Nasal Cannula therapy alone - shows that there is change in respiratory parameters, with positive number reflecting increases, and negative numbers reflecting decreases in number Modified Bronchiolitis Severity Score is measured by combining the individual score for five respiratory parameters (respiratory rate, breath sounds, work of breathing, oxygen saturation, mental status); score for each parameter ranges from 0-3; final score of each parameter is measured by adding them up; and so MBSS score ranges from 0-15; higher the score, worse the clinical status)

Inclusion Criteria: children less than 18years acute respiratory failure Exclusion Criteria: immediate intubation >18years