Respiratory failure & ventilation

Angiotensin II treatment is associated with improved oxygenation in acute respiratory distress syndrome (ARDS) patients with refractory vasodilatory shock

Ann Intensive CarePublished Post-hoc subgroup analysis of the Angiotensin Therapy for High Output Shock (ATHOS-3) randomised trial

Primary result · P:FResult — go to the resultBaseline-adjusted difference + 98.4 mmHg 95% CI 35.2–161.5

Authors' conclusion

In post-hoc analysis of the ATHOS-3 trial, angiotensin-II was associated with improved oxygenation versus placebo among patients with ARDS and catecholamine-refractory vasodilatory shock.

Study context

Population
Patients meeting modified Berlin ARDS criteria at enrollment with catecholamine-refractory vasodilatory shock (ATHOS-3 trial)
Participants
81 patients
Comparison
Angiotensin II vs placebo
  • Angiotensin-IIn = 34
  • Placebon = 47reference
Primary endpoint
PaO2/FiO2 ratio (P:F) adjusted for baseline P:F
Follow-up
48 h
Methodological detailsplacebo-controlled
  • Placebo-controlled

Primary result

P:F · hour-48

Baseline-adjusted difference

+ 98.4 mmHg

95% CI 35.2–161.5

P = 0.0028

By group

As reported in the abstract

Secondary outcomes

OutcomeAngiotensin-IIPlaceboAbsolute risk-difference (95% CI)P value
Sustained hemodynamic response · hour-364.7%36.2%28.5% (6.5–47.0%)P = 0.0120

Alive and ventilator-free · day-7

Mortality · Day-28

OutcomeAngiotensin-IIPlaceboBaseline-adjusted difference (cmH2O/mmHg) (95% CI)P value
Oxygenation index change · hour-48- 6.0 cmH2O/mmHg- 0.4 cmH2O/mmHg−4.8 (- 8.6 to - 1.1)P = 0.0273

PEEP, minute ventilation, ventilatory ratio

No difference

Original publication

Angiotensin II treatment is associated with improved oxygenation in ARDS patients with refractory vasodilatory shock. Ann Intensive Care. Published 16 December 2023. doi:10.1186/s13613-023-01227-5

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.