December brings us to the final Papers of the Month for 2025 and we're finishing the year with three studies that challenge assumptions across critical care and resuscitation! This time questioning the role of arterial lines in shock, looking at the true prognostic value of end-tidal CO₂ in cardiac arrest and finally to airway management in neonates.

We start in the ICU with the EVERDAC trial, a large multicentre RCT exploring whether early arterial catheterisation in shock truly changes outcomes. This challenges some of the papers we've recently looked at recently which champion the benefit of early arterial line insertion! The EVERDAC trial looks at the effect they have on mortality and the results are pretty striking.

Next, we move into the world of cardiac arrest with a systematic review and meta-analysis examining end-tidal CO₂ as a prognostic tool for ROSC. ETCO₂ is firmly embedded in ALS practice, but its real predictive power isn't completely clear, as we've seen in the recent ERC guidelines. This review pulls together studies with more than 3,000 patients and helps us understand more how much weight we should give to ETCO₂ and the way in which it's best utilised.

Finally, we finish with a neonatal focus: a systematic review and meta-analysis comparing video versus direct laryngoscopy for urgent neonatal intubation. Success rates in NICU and delivery room intubation are notoriously low. This paper looks at the impact of video laryngoscopy on first pass success with some dramatic results, which raises important questions around training and resource allocation.

Three papers, three very different patient groups, and three opportunities to reflect on how evidence continues to challenge our practice.

Once again we'd love to hear any thoughts or feedback either on the website or via X @TheResusRoom!

Simon & Rob

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