Related Experiment Video
Updated: Jun 5, 2026

Halogenated Agent Delivery in Porcine Model of Acute Respiratory Distress Syndrome via an Intensive Care Unit Type Device
Published on: September 24, 2020
Beta 2 antagonism in acute respiratory failure
Rob Mac Sweeney1, P J Devereaux, Daniel F McAuley
1Regional Intensive Care Unit, Royal Victoria Hospital, Grosvenor Road, Belfast, BT12 6BA, Northern Ireland.
Beta-blocker use upon admission may improve survival for patients with acute respiratory failure in the ICU. Further research via a randomized controlled trial is needed to confirm these findings.
Area of Science:
- Critical Care Medicine
- Cardiology
- Pulmonology
Background:
- Post hoc analyses suggest beta-blocker use is associated with improved mortality in intensive care unit (ICU) patients with acute respiratory failure.
- The B-type natriuretic peptide for Acute Shortness of Breath Evaluation (BASEL)-II-ICU study provided preliminary data on this association.
Purpose of the Study:
- To investigate the potential benefit of beta-blocker therapy in patients admitted with acute respiratory failure.
- To conduct a phase 2 proof-of-concept randomized controlled trial (RCT) to evaluate beta-blocker efficacy.
Main Methods:
- The study is a phase 2 proof-of-concept randomized controlled trial.
- Participants admitted with acute respiratory failure will be included.
- Beta-blocker therapy will be administered to a treatment group.
Main Results:
- Preliminary analyses indicate a potential association between beta-blocker administration and improved mortality.
- Further data collection and analysis are required to establish statistical significance.
Conclusions:
- Beta-blocker therapy shows promise for improving outcomes in acute respiratory failure patients.
- A definitive RCT is warranted to confirm the safety and efficacy of beta-blockers in this population.
Related Concept Videos
Antiasthma Drugs: β2-Adrenoceptor Agonists
One class of bronchodilators includes β2-adrenoceptor agonists. These agents target the β2-adrenoceptors located on bronchial smooth muscle cells. By stimulating these receptors, β2-agonists induce relaxation in these...
Acute Respiratory Failure-V
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Heart Failure Drugs: β-Blockers
Acute Respiratory Failure-I
Definition: It is defined by specific criteria based on blood gas measurements. Hypoxemia happens when the partial pressure of oxygen (PaO2) falls below 60 mmHg. At the same time,...
Acute Respiratory Failure-II
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
Acute Respiratory Failure-III
