A liberal oxygen strategy has the same impact on 30-day mortality as a conservative protocol in patients with the acute coronary syndrome, according to late-breaking results from the NZOTACS trial presented in a Hot Line Session on 1st September at ESC Congress 2019 together with the World Congress of Cardiology. The liberal oxygen strategy seemed beneficial in the subgroup of patients with ST-segment elevation myocardial infarction (STEMI). “This finding if correct would be important, but its significance may be argued because this analysis was not the primary outcome for the study,” said principal investigator Professor Ralph Stewart of Green Lane Cardiovascular Service, Auckland City Hospital, New Zealand.
The role of oxygen in patients with the acute coronary syndrome has been uncertain. ESC guidelines recommend oxygen in patients with STEMI and non-ST-segment elevation myocardial…
